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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1451. |
Solve : Leap from NT4 to Windows 10 and QBasic to VB Script idea? |
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Answer» About 3 years ago Foxidrive helped me greatly with a need that I had to be able to change some config FILES that had a value of N to switch to Y. The situation was that my employer does not allow external programs on media to be installed to these tightly controlled systems, BUT I am allowed/approved by my boss to code directly to the systems in their clean secured environment. So I can code/script openly or reading off of a piece of paper typing it all into notepad etc and saving it to run it etc. dir /b /a-d *.piv *.stf >tempfile.tmp Why doesn't anyone comment their code? I know memory was scarce but... VBScript should be fairly easy, would look very similar, and you probably won't need a temp file. But first... is this a fair summary of what you want to do? Batch: List all files in current folder with extensions piv OR stf into a temp file Create QBasic file: ' This is the QBasic file ' Read temp file line by line OPEN "tempfile.tmp" FOR INPUT AS #3 DO WHILE NOT EOF(3) ' Get a FILENAME from list LINE INPUT #3, file$ ' Open that file for input OPEN file$ FOR INPUT AS #1 ' Open a new temp file for output OPEN "temp.txt" FOR OUTPUT AS #2 'Read listed file line by line; each time setting y flag to 1 DO WHILE NOT EOF(1) LINE INPUT #1, a$: y=1 ' *** Isn't this double-backwards logic? *** ' if line *contains* "LS: N" THEN write "LS: Y" to temp file; flip y flag to 0 if not INSTR(ucase$(a$), "LS: N" ) = 0 THEN ? #2, "LS: Y" : y=0 ' if line *contains* "$LASTSORT N" THEN write "$LASTSORT Y" to temp file; flip y flag to 0 if not INSTR(ucase$(a$), "$LASTSORT N" ) = 0 THEN ? #2, "$LASTSORT Y" : y=0 ' if y flag is still 1 then the the last 2 tests were failed ' write the input line unchanged out to temp file if y=1 then ? #2, a$ ' Finished with this file LOOP ' Close input & output streams CLOSE #1, #2 ' Delete original file KILL file$ ' 'Rename temp file to original file name "temp.txt" as file$ ' Keep going until finished with file list LOOP 'Done; quit SYSTEM Quote Why doesn't anyone comment their code? I know memory was scarce but.You read my mind. .. and thank you for the nice Qbasic code. The 32bitversion of Windows 10 will Qbasic to run. Hey Salmon ... sorry about no comments ... typed it from printed form as for I cant use any media to share it from the system so I got lazy in not wanting to type so much and from printing it I typed it as short form as I could to show the important parts if its entirety. The situation I have is basically I have a folder with a bunch of text files with .piv and .stf file extensions, and just need to have a script that runs through all of these files and when it finds LS: N it changes that to LS: Y and when it finds string of $LASTSORT N it changes that to $LASTSORT Y ... BUT I have to type it into notepad and then save it as a script to run it as for there are very tight restrictions on no media brought into a heavily controlled environment of automation controls where there is an over paranoia of malware so being completely isolated they protect themselves. Nothing like supporting systems feeling like your hands are tied knowing a way to do it if I could do it up in C++ but I cant write and compile it and bring it in on media, so my boss has allowed for me to whatever I can type within the limitations of the Windows OS as allowed because no malware risk. Prior to this weekly we had to manually edit like 40 or 50 config files and that was a pain. I have used this qbasic generating and launching batch that foxidrive gave me as a solution for about 3 years now and it was working sweet to make the weekly config file edits a 5 second process vs 30 minutes of manually editing files. The software that is used to generate the config files needs to be edited by engineering to allow the person who sets these up to select Y or N ... BUT while an engineer helped me with how to get the machine to run the way we need it through manually editing these config files, they are hands off with updating their software because they require orders to spend time/money on that. Our site runs different than others so we have been given exception to run outside of normal operating parameters when I chatted with an engineer who was cool and pointed out how to get the machinery to BEHAVE as we needed it to. Basically its so strictly enforced no external media brought in that I can be fired if I brought in a program that would be a solution on a disc, but whatever I can key in at the local computer is allowed. I work as an electronics technician for industrial automation controls and because I have computer science skills/background I am the go to guy there for IT stuff and I work between engineering and local plant operations as well as their IT department and operations in which I am given some limited privileges of approval with tight restrictions beyond what other ET's get there to bend rules within limitations. The way that all files were written from output of dir /b /a-d *.piv *.stf to the temp file was foxidrives original design for solution for this. With comments added it looks correct. Going from QBasic to VB Script I was thinking might be the easiest... further thought is that powershell might also be a solution as for that should be built into Windows 10 64-bit as well. Its about time that they replace the old Pentium 3 computers running NT4 as for I have been frankensteining guts from other Pentium 3 donor systems of the same hardware flavor for the last 3 years as well as for they also have tight restrictions on what hardware has been approved by engineering for the machinery. So when a different machine with a computer with different part number I knew had the same internal hardware and was getting thrown away, I gutted it to have some spare parts on hand "mainly the motherboard" being the most important due to integrated network adapter use etc. Its kind of crazy that just about any computer could replace the Pentium 3 700Mhz with 384MB RAM but because of hardware restrictions imposed by engineering I cant use a healthy Pentium 4 or Pentium D system I have in place of it and need to play with strict hardware use rules which at times can be frustrating when a system is down and the solution is right in front of me, to replace the computer with another and add necessary drivers to make it communicate over the network, but everything gets its own part numbers and only can replace with same part number. Prior to this career I was given full privileges to keep a food store chain running for 7 sites as system admin / IT guru for 6 years and any creative solution that worked and was legal was allowed in which I added all kinds of parachute solutions of redundancy and automatic fail-overs to get whatever failed service back up and running asap as for a point of sale system down is a VERY BAD thing for a business especially a food store that is busy. From your description it sounds like you effectively just need to do a string replace? Replace "LS: N" with "LS: Y" and "$LASTSORT N" with "$LASTSORT Y"? If I understand CORRECTLY this should do what you want. Reads in a file, then replaces the text in every file specified in that file, writing the result to the same file. Naturally, you should try it out before you go having it run amuck on the system(s) in question, but I'm sure that is your intention. Code: [Select]ForReading = 1 ForWriting = 2 InputFile = "D:\fileslist.txt" 'Set Input file. can be set to first argument provided with = WScript.Args(0) Set FSO = CreateObject("Scripting.FileSystemObject") Set FileListStream = FSO.OpenTextFile(InputFile, ForReading, False) ' Open the File List file. InputFilesStr = FileListStream.ReadAll FileListStream.Close InputFiles = Split(InputFilesStr, Chr(13) + Chr(10)) 'Split file list file contents we read in into an array. For Each ReadFileName In InputFiles 'read the contents of the file, close the file, replace the text, then write the replaced text back to the same file. Set InputStream = FSO.OpenTextFile(ReadFileName, ForReading, False) InputText = InputStream.ReadAll OutputText = Replace(Replace(InputText, "LS: N", "LS: Y"), "$LASTSORT N", "$LASTSORT Y") Set OutputStream = FSO.OpenTextFile(ReadFileName, ForWriting, False) OutputStream.Write OutputText OutputStream.Close Next Thank You BC Tested it on my Windows 10 64-bit home computer after just changing path to C:\w10\fileslist.txt, saving as a .vbs, and making some test files. It replaced the correct strings in the files and fast. [attachment deleted by admin to conserve space] |
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| 1452. |
Solve : Code blocks IDE? |
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Answer» This will ake me look like a RETARD but id rather start somewhere than give up and throw my laptop across the room. I'm using a NICE simple IDE - code blocks for writing c programs. The prblem is not the language at this warm up stage when i'm writing simple programs to build calculators and stuff but the software is proving a bit annoying and fiddly for me but probably nobody else. Enough of feeling sorry for myself. Does anybody know what i'm doing wrong. When I try to add a new program like calc.c , save it, buid and then run, code blocks overwrites the HELLO world name to calc.c but runs the hello world program instead of the new program that I tried to add. Any ideas anyone?Did you build your project again (gear icon) before running it (play icon)? If you just run it, the executable will not be re-built. Make sure to click the gear again to build the executable with your updated source code.Ajax Hurts, Hello, welcome to CH. Are you new to computer programming? Do you have any FORMAL training? Please proved some info about what you are using. Are you using a C compiler? Not a good idea for novice. IMO, and others, a good place to start might be an interpreter. Interpreters have a more friendly IDE. A good place to stat might be Python. You might like to READ this: https://lifehacker.com/how-i-taught-myself-to-code-in-eight-weeks-511615189 Quote To a lot of non-developers, learning to code seems like an impossibly daunting task. However, thanks to a number of great resources that have recently been put online for free— teaching yourself to code has never been easier. I started learning to code earlier this year and can say from experience that learning enough to build your own prototype is not as hard as it seems. In fact, if you want to have a functioning prototype within two months without taking a day off work, it’s completely doable.Hope that is of some help. |
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| 1453. |
Solve : Control what a CPU places in the L3 cache area with C++?? |
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Answer» Might not be possible, but curious for performance increasing reasons. All modern (fast) CPUs (with few specialized exceptions[2]) have multiple levels of CPU caches. The first CPUs that used a cache had only one level of cache; unlike later level 1 caches, it was not split into L1d (for data) and L1i (for instructions). Almost all current CPUs with caches have a split L1 cache. They also have L2 caches and, for larger processors, L3 caches as well. The L2 cache is usually not split and acts as a common repository for the already split L1 cache. Every core of a multi-core processor has a dedicated L2 cache and is usually not shared between the cores. The L3 cache, and higher-level caches, are shared between the cores and are not split. An L4 cache is currently uncommon, and is generally on dynamic random-access memory (DRAM), rather than on static random-access memory (SRAM), on a separate die or chip. That was also the case historically with L1, while bigger chips have allowed integration of it and generally all cache levels, with the possible exception of the last level. Each EXTRA level of cache tends to be bigger and be optimized differently. Have you already looked in the Intel place? https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/cache-allocation-technology-white-paper.pdf https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/745751 For 64 bit CPU there are specific things you need to know. https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-optimization-manual.pdf For the AMD there's some variation, but I have not read the manual. https://support.amd.com/TechDocs/24593.pdf Does that help any? EDIT: From AMD: System Resources 45 24593—Rev. 3.29—December 2017 AMD64 Technology See “Page-Protection Checks” on page 145 for information on the page-protection mechanism. Alignment Mask (AM) Bit. Bit 18. Software enables automatic alignment checking by setting the AM bit to 1 when RFLAGS.AC=1. Alignment checking can be disable d by clearing either AM or RFLAGS.AC to 0. When automatic alignment checking is enabled and CPL=3, a memory reference to an unaligned operand causes an alignment-check exception (#AC). Not Writethrough (NW) Bit. Bit 29. Ignored. This bit can be set to 1 or cleared to 0, but its value is ignored. The NW bit exists only for legacy purposes. Cache Disable (CD) Bit. Bit 30. When CD is cleared to 0, the internal caches are enabled. When CD is set to 1, no new data or instructions are brought into the internal caches. However, the processor still accesses the internal caches when CD = 1 under the following situations: • Reads that hit in an internal cache cause the data to be read from the internal cache that reported the hit. • Writes that hit in an internal cache cause the cache line that reported the hit to be written back to memory and invalidated in the cache. Cache misses do not affect the internal caches when CD = 1. Software can prevent cache access by setting CD to 1 and invalidating the caches.You cannot really control what memory get's cached or where it get's cached. You can only write software in a way that makes it Cache-friendly: What is Cache-friendly CodeThanks BC for that link. I read through it and one of the external links sent me to a tutorials point youtube video that showed more information on this. For some reason I was thinking that cache could be targeted to make use of an address range that was labelled and associated as cache, similar to how knowing a specific address you can perform memory calls & injection to fetch or write information to an address, and so if an address can be targeted then its known and so you can pass data to and from it. Analogy to my thought on this was say you have a system with a Hard Drive and a SSD, you can pass information to the SSD to have a faster read/write, but data that isnt critical to speed remain on the Hard Drive. I was thinking that maybe there was a function that could target cache directly, but its hands off and handled by the CPU only. So it seems that you can call a memory address directly to System RAM, but not cache. Cache is hands off and its a matter of keeping a program small so that the CPU might utilize its internal cache to contain it. The program I am running is 553KB in size so I guess its pretty probable that the L3 is being utilized for it with 6MB L3 cache available at all 4 cores running 4 instances of the program because its single-threaded basically 4 instances of the program WOULD consume 2.012MB of the 6MB. On the other processors that only have L1 and L2 cache it was likely that it was less efficient and hitting the System RAM more because 512KB per core of 2MB of L2 cache with 4 instances of the program running since its single-threaded the 553k program x4 doesnt fit within the L2 in entirety. It looks like to make a program that makes better use of your cache memory, its a matter of keeping program size minimal and information that is called over and over again the CPU will pick up on this and run with it to place it into its cache at the 3 cache levels of processors with L1, L2, and L3 cache such as the AMD Phenom and FX processors that I have. Been working on making a program more efficient and was thinking if I could get it into the L3 cache it would run much more efficiently with lesser wasted clock cycles. I've even thought about porting it to Linux and run it from a distro that doesnt have a GUI because Windows itself have processing overhead which is waste. Also did some reading into methods of utilizing GPU's for mathematical crunching but havent found any examples that show an easy way to tap into a GPU to process a program vs CPU. I have two GTX 570 video cards and a GTX 780 Ti. Knowing that GPUs are better at crunching numbers ( The crypto currency farming was using them for a while to point this greater efficiency out ) .... it might be the better way to go, but I have yet to find any examples that show how to load a program into GPU and have it crunch away. Project i am working on is sort of looking for needles in a hay stack. Its all out of curiosity on a project i have that shuffles 89 characters randomly and seeded random where the seed is a key to scramble and unscramble information. For the fact that its probable to have a perfect shuffle where such as with a deck of cards you could shuffle a deck and have it shuffle back to order in which the deck was purchased of 2,3,4,5,6,7,8,9,10, J, Q, K, A for each suit, I have had an interest in with a long long int used as a seed, the frequency at which weak keys occur as well as to hunt down each of the worst keys that shuffle back to close to or the exact original order. There isn't enough processing power in the world to run for every combination of 89 characters ( permutations of 89 ) in a shuffle. Here is an interesting link on permutations of 52 ( deck of cards ) https://www.quora.com/How-many-combinations-can-a-deck-of-52-cards-make From the program that I use the best method to avoid a weak key is to just test the key before its used for strength which takes a fraction of a second. Currently the curiosity for searching for weak keys I put in a starting value and end value to run to and tell it the flag value (threshold) to which if so many or more characters match between start location of array 1 and destination location of array 2 per iteration it writes to file that key value so I can check it out further to see how bad it is. At looking for 15 characters or more that shuffle back to their original order of 89 I have run through 10 Billion keys so far with no hits. If I drop the threshold to 8 they start popping up here and there, so I know that the program is doing what its designed to do vs not reporting due to a flaw in code. Its just that 15 characters or more to be shuffled back to their original position is extremely rare according to the first 10 Billion tested and nothing found yet. Performance of the Phenom II x4 945 3.0Ghz CPU is pretty good. I am able to test 1 Billion keys per 2 hours and 17 minutes with 250 million keys per core and 4 instances if the single-threaded program running with core affinity set to tag each instance to its own core. The project is mainly a curiosity and not an insanity. And it acts as a small space heater during the cooler months of the year in which its currently 30F / -1C outside In relation to what i discussed in prior post I think I found what I need to learn to make use of the nVidia video cards for crunching and get the program to run on the GPU's that I have. Sharing this here in case anyone else has interest in this sort of thing. https://developer.nvidia.com/how-to-cuda-c-cppOf note is that trying to keep executing loops/code in the cache is an optimization technique that is covered in Michael Abrash's Graphics Programming Black Book. Of course that covers graphics programming but it has extensive coverage of CPU performance characteristics and optimization at the Assembly Level. It doesn't really cover modern systems (I think the Pentium was the latest at the time of it's release) but most of the underlying concepts are sound. Worthwhile mention as well: Quote For the fact that its probable to have a perfect shuffle And I think this might highlight some of the problems with your approach. Exactly how you shuffle is going to depend on the shuffle algorithm. How are you shuffling? My own personal preference has been to shuffle using a sort algorithm: Code: [Select]var cards = Enumerable.Range(0, 51); var shuffledcards = cards.OrderBy(a => Guid.NewGuid()); (C#). Basically instead of swapping elements around like Fischer-Yates, it just takes the sequence and associates a random GUID with each one, then sorts the elements using those random values. The standard Fischer-Yates algorithm isn't truly a fair shuffle because it's not possible to have it shuffle into the original order. Despite this, I think for card shuffling and your specific approach, you have a much bigger issue and possibly something you haven't even considered- not enough entropy. As you linked, there are 52! possible combinations of cards in a 52-card deck. The issue is that most random number generators use a 32-bit seed. that means there are only 2^32 possible random number sequences, which means that of those 52! possible combinations, it would only be possible to generate around 4 billion of them, which is a teensy tiny fraction. In fact, the most elements you can fairly shuffle with a 32-bit seed is 12. Once you hit 13, there are too many possible sequences. Even the GUID I used above is only 122 bits of entropy, which is also a significantly small fraction of the total problem space. 52! is higher than 2^225 but smaller than 2^226, it would be necessary to have at least a 226 bit seed in order to be able to generate all possible permutations when shuffling a 52-card deck. Otherwise, you won't be able to see all possible sequences.Thanks for the info BC and very interesting... Curious whats going on beyond seed value beyond 32-bit limit around the 4 Billion value.... do you think its rolling like an odometer back to 0 so that the outcome of a shuffle with seed of 0 and 4,000,000,001 become the same shuffle output? I'm not sure I understand what you mean. If you are using a 32-bit seed (eg. int) then there isn't anything "beyond" it. The size of the seed is dictated by the algorithm. You typically cannot use srand() for example with anything but a 32-bit seed. The Seed dictates the sequence of random numbers. If a random number algorithm only accepted say a byte seed, then there could only be 256 unique sequences. that could ever be generated by the algorithm. Asking what happens in that case if you give it a seed larger than 8 bits wouldn't really make sense. It's like asking what happens if you store 8TB on a 1TB Hard drive. Perhaps using that smaller example can make more sense. Let's say we have a Random number algorithm that takes a byte as a seed. So we've GOT 256 unique sequences of random numbers- 0 gives us one sequence, 1 gives us another, etc. If you have a sequence of 5 elements, All the possible permutations are represented, because there are 120 possible configurations of those 5 elements. if you add a 6th element, however, there are 720 possible permutations. Since you only have 256 possible sequences with that limited random number generator, you can only generate 256 possible permutations of those 6 numbers using that random number generator. There are arguably some workarounds for it that can extend it. For example the sequence with seed 6 could "skip" some early values in the sequence and instead start later in that sequence to (hopefully) get a sequence that isn't represented in the first 6 values of any other sequence, but it is very unreliable. Hello BC... as per Quote I'm not sure I understand what you mean. If you are using a 32-bit seed (eg. int) then there isn't anything "beyond" it. The size of the seed is dictated by the algorithm. You typically cannot use srand() for example with anything but a 32-bit seed. I was thinking that beyond the 32-bit limit it might loop back to the beginning of the 32-bits like an odometer or like rolling the score back to 0 in asteroids in my last chat here etc, so a seed value of -1 is equal to a seed value of 2147483647 and seed value of 0 is equal to a seed value of 2147483648 and a seed value of 1 is equal to 2147483649. Butchering code to turn it into a loopable shuffle display it proved that it does in fact loop back / roll over back to 0 like an odometer. I supplied the code below in case you want to check it out further. Additionally, when trying values exceeding 32-bit limit of 2147483647 my program that until today didnt have this limitation, but by which I added a rule now to not allow a value greater than it, caused a roll over of the output to be the same as the beginning but the spill over since the input is greater than 32-bits caused havoc with the next user input. The nature of the spill over is that with 2147483648 ( which is 1 too many ) it starts to scroll u's across the screen like uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu uuuuuuuuuuuu until I kill the program and for 2147483649 it starts to scroll a character that is none of the 89 characters that my program supports input of so it starts to scroll error messages telling the user its an invalid character and to enter a valid character in an endless loop. Thank you for pointing out this seed limitation as for I wasnt aware of the 32-bit limit of it and well at least I picked a better time of year (winter) to use a computer as a space heater when unknowlingly TIL today that as the values input beyond 2147483647 are just looping around back to 0 so its an odometer that keeps rolling over and there are no shuffles that go back to the original order in accordance with the 32-bit seed limitation. Do you know if programming for a 64-bit OS with a IDE able to create 64-bit programs if the seed would then support 64-bit value or is the seed strictly 32-bits no matter of 32 or 64 bit compiled program? Most people use a seeded time so 32 bits is plenty for user input delay assisted random, so I could see how maybe it wasnt changed to permit a larger 64-bit seed value. Quote
Code: [Select]#include <CSTDLIB> #include <iostream> #include <algorithm> #include <string> using namespace std; int main(int argc, char *argv[]) { long long int seed1=0; int run=1; while(run==1){ cout<<" Enter Integer Seed: \n"; // Asks user to input integer seed cout<<"\n\n"; cin >> seed1; // Input user seed cout<<"\n\n"<<"unCrypt String Key =\n\n"; //Initialize Valid Characters for String Shuffle Output //Note Bug corrected with blank space for \ by use of escape character proceeding //string str="[emailprotected]#$%^&*()_-+=?<>:\\/~.,;"; OLD v 1.02 string str="[emailprotected]#$%^&*()_-+=?<>:\\/~.,;[]\"\'"; // New v 1.10 //String random comparison 1 for 1 match //Pass static string list to array prior to shuffle string tmp1 = str; //Pass str output to string tmp char tab3[128]; // Memory Allocation for array population strncpy(tab3, tmp1.c_str(), sizeof(tab3)); //string copy tmp into tab3 array tab3[sizeof(tab3) - 1] = 0; srand(seed1); // Allows user custom seeded starting algorithm position for random random_shuffle(str.begin(), str.end()); // Shuffle the string cout << str << "\n\n\n"; // Output the shuffle sequence cout<<"Run again 1 = Yes and 0 = No\n"; cin>>run; } return EXIT_SUCCESS; }Quote from: DaveLembke on February 28, 2018, 07:04:03 PM I was thinking that beyond the 32-bit limit it might loop back to the beginning of the 32-bits like an odometer or like rolling the score back to 0 in asteroids in my last chat here etc, so a seed value of -1 is equal to a seed value of 2147483647 and seed value of 0 is equal to a seed value of 2147483648 and a seed value of 1 is equal to 2147483649. Butchering code to turn it into a loopable shuffle display it proved that it does in fact loop back / roll over back to 0 like an odometer. I supplied the code below in case you want to check it out further. in C/C++ if you add/subtract outside of an integer values range it will underflow or overflow. To use my byte example, 0-255 is the unsigned range. -128 to 127 is the signed range. Adding 5 to an unsigned byte of 255 gives you 4. There is no such thing as a value of 260 as a byte; nor is there a such thing as a value of -5 as an unsigned byte. Add one to a signed byte of 127 and you get -128. Same deal- there is no such thing as a signed byte with a value of 128. It's not intelligent logic being applied- it's not designed to go, "well, this is too big. I'll just give a different number by wrapping around" it's more a result of the way the CPU does arithmetic. As I understand it for integer operations if a carry bit is present after it's processed all bits of the operands it sets an overflow bitflag that can be checked by software. the CPU The CPU just does the arithmetic and sets the overflow flag if the software cares enough to check. C/C++ doesn't care on it's own. Quote Additionally, when trying values exceeding 32-bit limit of 2147483647 my program that until today didnt have this limitation 2147483647 is the maximum positive value of a signed 32-bit integer. For a signed integer there are another 2147483648 available values below zero since the range is -2147483648 to 2147483647. srand takes an unsigned integer, though, not a signed one. The long long int you use to hold the seed value, doesn't get truncated until you call srand() with it, at which point it get's cast/truncated (I get a compiler warning about this with your program, actually). Since it is an unsigned parameter you would need you'd have to go beyond 4294967295 or below 0, and since you aren't actually printing out the seed that is being used, it's not immediately obvious. You can observe this directly though. The output from 4294967295 and -1 is identical, for example. so is 4294967298 and 2. The value can be represented as a long long int, but when it's passed to srand it get's forced to a unsigned integer by ignoring higher-order bits, I expect. By way of example, the 16-bit integer 256 is 00000001 00000001, cast to a 8-bit integer would force it as 00000001 or a byte with value 1. The same logic is applied when casting a 64-bit long long int to a 32-bit int- any data in the higher bits is lost and stripped off so you get "wrapping" behaviours. Quote Do you know if programming for a 64-bit OS with a IDE able to create 64-bit programs if the seed would then support 64-bit value or is the seed strictly 32-bits no matter of 32 or 64 bit compiled program? Most people use a seeded time so 32 bits is plenty for user input delay assisted random, so I could see how maybe it wasnt changed to permit a larger 64-bit seed value. No- this has nothing to do with the bit width of the CPU or the Operating System. srand() accepts a 32-bit unsigned integer, and I think it has done so more or less since the standard library was original created. It would be necessary to write your own random number generator (or find one already implemented) that allows for larger seed values. Cool.. Thanks for making it more clear BC |
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| 1454. |
Solve : Want to start computer programming- need setup files for PC programming programs? |
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Answer» Yes, I know how to google search and just did so a couple hours ago for this. I am fi ding the pages I need, and am fine now. I was a little to eager at first but now I realize that I need to take it a little at a time and pace myself. This was in reply to Geek-9pm's post, in case anybody is wondering why I posted.Take your time and persist and you will have good results. Programming is one of the most valuable SKILLS you can pick up in these modern times, whether for career prospects or to stretch your brain and create something awesome. If you're just getting started on your coding journey, here are ten tips and resources to set you off on the right foot. Worth reading Youtube has lots of videos as well on programming if your looking for learning by example. I have used youtube myself not for how to program but for figuring out my way around an IDE. Watching SOMEONE else show the steps on how to start a project and compile a project etc might be helpful when there are so many functions and its an overload of where to go and what to do. Many youtube videos dont go into ( WHY ) something does what it does, and this is where a real course attended in Introduction to Programming would be beneficial because questions that youtube cant answer a teacher/instructor generally can. If you are the type of person who can use a book and follow it precisely there are all sorts of programming books out there with labs in them to follow like a cook book to making a program that works and if you get an older edition of a book you can get them very cheap. Back when i was in college I saved myself about $75 by buying the 2nd edition of a book used when the 3rd edition was suggested. The only differences was a few more examples added to make a section more descriptive. From my own mistakes with learning programming since the mid-1980s and not being a master of any language but familiar with a bunch of different languages, its best to figure out what you WANT to program. Do you want to program for android devices, do you want to program for a websites web server, do you want to program games, do you want to program complex calculations that perform encryption and decryption or scientific research, or something else. Each language has its pros ( strengths ) and cons ( weaknesses ) for implementation towards specific programming goals. Given that you mention Linux and Windows... My language suggestion is to LEARN Python and go from there. C and C++ I wouldn't suggest for anyone that never programmed before. Python is very platform flexible and used a lot. Once you master structure and internal FUNCTIONALITY of object oriented programming with reuse vs putting in redundant instructions you will then have a good foundation to build from to explore other languages and when learning another language it will be far easier because you know how a FOR loop works for example vs a WHILE loop and then you can just learn the syntax of it all but the structure is all very similar, then dive into C or C++ with dependency needs etc if you want something more complex or any other language of choice because you know the internal workings of a program structure and just need to conform to the specific syntax of that language. |
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| 1455. |
Solve : Mixing C and C++? |
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Answer» I am attempting to mix C and C++ in a project. I am using a TI MSP432, which has libraries (BSD licensed) for it that are programed in C. I would like to use these libraries, but I want my code to be C++. In order to run my program I also need a couple c FILES provided by ti. I am having issues GETTING my code to compile. It may just be the flags in my make file. When I use gcc and g++ together, the C code works, and the C++ code works, but I can't link them.You have already found the key to the problem. You will need to make a custom library you can use to link the C code into your C++ project. I wish I knew how that is done, but just wait and an expert will help you shortly. Did you Googlize it? Is the C code very simple and static? Look here: http://www.oracle.com/technetwork/articles/servers-storage-dev/mixingcandcpluspluscode-305840.html Quote Using Compatible CompilersDoes that help any? EDIT: Forgot to mention that Visual Studio will mix languages.Quote but I can't link them. The error message/output might be useful... Code: [Select][emailprotected]:~/Desktop/crossCompilingTests/cppTest$ make Building system_msp432p401r.obj Building startup_msp432p401r_gcc.obj Building main.obj linking... /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(atexit_arm.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(del_ops.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(new_op.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ios_init.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(istream-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(functexcept.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(locale-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ext11-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ios.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ctype_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(streambuf-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ostream-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cow-string-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(snprintf_lite.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ctype.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(wlocale-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(random.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ctype_configure_char.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(fstream-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cow-wstring-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ios-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_aux_runtime.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(si_class_type_info.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(pure.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(new_handler.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(new_opv.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_catch.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(del_op.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_globals.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(del_opv.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_terminate.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(dyncast.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(vmi_class_type_info.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(tinfo.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(class_type_info.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(basic_file.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(collate_members_cow.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(istream.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(time_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(c++locale.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(globals_io.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(locale.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(codecvt_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(locale_facets.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(locale_init.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(codecvt.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(streambuf.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(messages_members_cow.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(monetary_members_cow.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(ios_locale.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(numeric_members_cow.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cow-istream-string.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cow-shim_facets.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cow-locale_init.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cxx11-shim_facets.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(iostream-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cxx11-locale-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(lt1-codecvt.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(string-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(cxx11-wlocale-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(compatibility.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_term_handler.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(eh_unex_handler.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(guard.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(numeric_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(monetary_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(messages_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(misc-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(collate_members.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(wstring-inst.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/bin/ld: warning: /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libstdc++_nano.a(istream-string.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-abort.o): In function `abort': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/stdlib/../../../../../../../newlib/libc/stdlib/abort.c:63: undefined reference to `_exit' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-exit.o): In function `exit': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/stdlib/../../../../../../../newlib/libc/stdlib/exit.c:70: undefined reference to `_exit' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-openr.o): In function `_open_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/openr.c:59: undefined reference to `_open' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-sbrkr.o): In function `_sbrk_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/sbrkr.c:58: undefined reference to `_sbrk' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-signalr.o): In function `_kill_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/signalr.c:61: undefined reference to `_kill' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-signalr.o): In function `_getpid_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/signalr.c:97: undefined reference to `_getpid' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-writer.o): In function `_write_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/writer.c:58: undefined reference to `_write' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-closer.o): In function `_close_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/closer.c:53: undefined reference to `_close' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-fstatr.o): In function `_fstat_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/fstatr.c:62: undefined reference to `_fstat' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-isattyr.o): In function `_isatty_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/isattyr.c:58: undefined reference to `_isatty' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-lseekr.o): In function `_lseek_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/lseekr.c:58: undefined reference to `_lseek' /usr/lib/gcc/arm-none-eabi/5.4.1/../../../arm-none-eabi/lib/armv7e-m/fpu/libc_nano.a(lib_a-readr.o): In function `_read_r': /build/newlib-XAuz1P/newlib-2.4.0.20160527/build_nano/arm-none-eabi/armv7e-m/fpu/newlib/libc/reent/../../../../../../../newlib/libc/reent/readr.c:58: undefined reference to `_read' collect2: error: ld RETURNED 1 exit status makefile:45: recipe for target 'cppTest.out' failed make: *** [cppTest.out] Error 1 The link from Oracle explains taught the libraries have to agree on the definition of data types and the data ought to be static. One solution is to uses compiliers taht come in the same package from the vendor. The Visual Studio compilers and links work together ant that would be one way withstood the ISSUE. Also, does does the C++ compiler you have allow the use of in-line Assembly code? This is a very old idea that t goes back to some of the very old compilers. What C++ compiler do you use? Would you considering another? Here is a link that might help: https://msdn.microsoft.com/en-us/library/aa245307(v=vs.60).aspx Quote C++ Inline AssemblerHope this will help you in some way. Perhaps it will help you think outside of the box. |
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| 1456. |
Solve : Can anone help on Windows .BAT Filescc/ VB scripts? |
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Answer» HI there Im trying to run a command using a VB script but need help finishing off if anyone can help as I aint got a clue how to do it I have this command that creates a new folder in C :\CCTV DOWNLOADS\DownLoad of which shown below. What im trying to do then is to 7 ZIP the new folder . I think that its a VB Script that I need but if there an easier way it would be greatly appriciated. Is there anyway I can run a VB script or .BAT file without running as an administrator? Thanks Option Explicit Const strDLFolder = "C:\CCTV DOWNLOADS\DownLoad" Dim objFSO, objWShell, objDLFolder, strNewFolder, objFile Set objFSO = CreateObject("Scripting.FileSystemObject") Set objWShell = CreateObject("WScript.Shell") If Not objFSO.FolderExists(strDLFolder) Then objFSO.CreateFolder(strDLFolder) objWShell.CurrentDirectory = strDLFolder Set objDLFolder = objFSO.GetFolder(strDLFolder) If objDLFolder.Files.Count = 0 Then WScript.Quit Do Err.Clear strNewFolder = InputBox("COMPASS REF NO", vbLf & "ENTER the NAME of the folder to be created:") If strNewFolder = False Then WScript.Quit On Error RESUME Next objFSO.CreateFolder strNewFolder Loop While Err.Number <> 0 Or Not objFSO.FolderExists(strNewFolder) On Error Goto 0 For Each objFile In objDLFolder.Files objFSO.MoveFile objFile.Name, strNewFolder & "\" Next objWShell.Run "explorer.exe /select,""" & objFSO.BuildPath(strDLFolder, strNewFolder) & """" |
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| 1457. |
Solve : can anyone help on a 7zip command tidy up? |
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Answer» Ladies and Gents |
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| 1458. |
Solve : New to HTML and need to fix repeated problem on Magento blog? |
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Answer» Hello Beer traps every time. Ron loved them, or his slugs did, and he reckoned he cleared his garden last year after burying yoghurt pots in the soil, filling with beer and letting the slugs die a happy death. One extra point, Ron: leave a centimetre of the yoghurt pot above soil level to help beetles miss the traps. Beetles are good and the slugs won't be bothered by a centimetre of plastic in their pursuit of a beery ending. Compost: Jenny loves our Melcourt compost as it is consistent, doesn’t contain peat or green waste and helps her grow a fantastic garden. The whole green waste issue cropped up SEVERAL times at the show and it appears we are all aware of its inherent problems. The main one being the number of lumps and bumps you have to riddle out of most composts before you can use them for sowing seeds. That’s not the case with Melcourt - everyone loved the fact we deliver straight to your door and at superb prices. You know what you need to do! Not sure if this is of any help or not, but the last time I ran into an issue trying to shove over an image that was too CLOSE to another I placed an image such as a white rectangle.jpg file the same color as the background to force the formatting with a sledgehammer method. You can also insert a table between images top shove the placement over as another sledgehammer method. Later I found where you can specify the X,Y COORDINATES of the images, but then you have some issues with some browsers displaying it differently. I assume your testing this on other browsers to make sure that it behaves such as IE/EDGE, Firefox, Chrome etc. https://html.com/attributes/area-coords/ |
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| 1459. |
Solve : fresher at python programming language? |
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Answer» am NEW in the programming world
If you want to learn Python, identify something you do on your computer which can be automated. Start with something simple. You don't even need to open a text editor, you can just open the REPL and start coding. In general, if you find yourself writing batch files or shell scripts, you can do it in Python instead. Python has many tools to make your life easier. |
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| 1460. |
Solve : Is Perl on its way out the door?? |
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Answer» The College course I am currently attending, my instructor suggested that I work in PHP with web interface to MySQL Server. He pointed us to W3Schools. https://www.w3schools.com/default.asp Remember W3Schools is NOT official in any way. Ok cool... Thanks BC For college course to use it as a reference for students, never knew it wasn't really official. From a search... 10 most in-demand tech skills Python. A high-level, general-purpose programming language introduced in 1991. ... Java. Java is a general-purpose, high-level programming language that was developed with as few implementation dependencies as possible. ... Cloud services. ... Linux. ... JavaScript. ... SQL. ... Matlab. ... HTML. Hi Geek, found your url 3rd down on search for "10 most in-demand tech skills" ... Perl is #9 on list. https://www.cio.com/article/3196975/it-skills-training/10-most-in-demand-tech-skills.html Quote 1. PythonFor what it is worth... Many once trendy computer programming languages do not show up very often in a search. But people are still using them or want to learn. I had to learn assembly language mostly on my own. Here are some things that might be important to some students: Quote The number of courses sold by programming bootcampsMore important are methods to teach how to solve problems. EDIT: Some code that got my eye. Code: [Select]LIKE, Y*KNOW(I MEAN)START IF PIZZA = LIKE BITCHEN AND GUY = LIKE TUBULAR AND VALLEY GIRL = LIKE GRODY**MAX(FERSURE)**2 THEN FOR I = LIKE 1 TO OH*MAYBE 100 DO*WAH - (DITTY**2) BARF(I)=TOTALLY GROSS(OUT) SURE LIKE BAG THIS PROGRAM REALLY LIKE TOTALLY (Y*KNOW) IM*SURE GOTO THE MALL Source: http://quarkphysics.ca/humour/humor10.htmlIF statement had me laughing. Also even "dead" languages like COBOL and FORTRAN have demand that heavily outstrips the supply, entirely because nobody wants to or thinks they should learn it.Perl has a reputation for being easy to write but difficult to maintain, unless it is written specifically for that purpose. Whereas a language like Python has the rep of being easy to maintain no matter what, due to its stricter, simpler, more universally legible syntax. In my own experience, Perl is versatile and flexible, with modules for everything under the sun. But, so is Python, and it has greater advantages in a group/team/collaboration setting. If you were going to ask for a recommendation between the two, I'd say go with Python, because it has broader industry support, and a BDFL (Guido Van Rossum) who demonstrates focused leadership and has a clear vision for the direction the language will take. But there is nothing stopping you from learning and trying both, which is probably a good idea, because ultimately you're the one who has to write in the language, so you should choose the one that most closely suits your own expressive style as a programmer. Just my two centsThanks for everyones input on this. Its been ages since I worked with Cobol. I got it along with an 8088 that I picked up in the early 1990s on the cheap. A friend of mines uncle had some books on it and he leant me them to poke around Cobol but I found my love of the time in the style of Basic, since I started with Basic on my TRS-80 Model 1 with 16k RAM. But having worked mainly with Basic and GW-Basic at School around 1987, I loaded up GW-Basic on DOS 2.11 and did most of my programing in that until exposed to QBasic with DOS 5.0. I liked GW-Basic's features with colors and sound and it ran pretty well to make some games, although I hit the 64k limit with it because I was horrible with memory management and reuse. I took a liking to Python, but took Perl through VIRTUAL University about 13 years AGO for the cost of taking 4 courses a semester for $20 total, ( their pricing has since changed ) and liked how Perl has lots of powerful functions built into it so you can TYPE up a few lines of code and achieve the same outcome as what may take 25 lines of code in C++. At some point I will dig deeper into Python, its easy to follow but I just need a project that is in it that causes me to spend more time in it. For me its usually that there is someone elses code that I am working with that draws me into languages they are written in, I then learn by example or dabbling in them to add features or tweak it to my needs or curiosity. Seen some cool games created that have python in the background for ARM devices etc. At some point I will dig deeper into it. Its good to be familiar with a bunch of different languages, and the strength in them comes with putting in the time with the code and troubleshooting and having others point them in the right direction.Do you have Active Perl? https://www.youtube.com/watch?v=V_0hQ_1X_L8 |
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| 1461. |
Solve : ReCAPTCHA placeholder element must be an element or id? |
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Answer» I have two errors with an error message: |
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| 1462. |
Solve : on the website there is same id textbox but when i am writing WebBrowse? |
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Answer» on the website there is same ID textbox but when i am writing |
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| 1463. |
Solve : C, C++ and C# beginner's questions? |
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Answer» MIRKOSOFT, Most schools in Slovakia are owned by the state, though there are a few church-owned and private schools. Students go to school five days a week, from Monday until Friday. SUMMER holiday in primary and secondary schools in Slovakia is from the 1st of July until the 31st of August. There is a few days holiday around Christmas and Easter, and on national holidays. Pre-school education in Slovakia is for children from 3 to 6 years old.RELEVANT information: https://www.forbes.com/sites/mattsymonds/2017/12/13/mba-in-europe-the-ranking-of-mba-rankings-2017/#47cc57ea4f38 The Best MBA Programs In Europe? (Forbes is a credible web site.) Quote I'm using 64-bit Windows 10 and have installed paid version Visual Studio 6 Possibly worth mentioning that Visual Studio 6 (as in the Visual C++ IDE itself) isn't compatible with Windows Vista or later and has a memory leak when running on them; For C/C++ it might be safer to STICK with 2017. Quote The 2017 version is much to big at 16 gigabytes. That is the offline installer, which of course has to include everything. Typically, what you download is a small, 1.2MB Installer program. The size of the actual Visual Studio installation will then depend on what options are chosen during install, as it will only install what is needed.Thank you for your interest in my possible high school education. I tried it in age 24 again and happened the same - my doctor recommended me to end it 'cause my health was going wrong. So, thank you very very much - this support in our forum is great, it is showing that other people are important, not only Qs and answers. This makes me feel good, thank you all. To VS6, VS2017 and VB4DOS: VS6 - compatibility problem with Vista and later is solved in customization and correction install sources and result is working VS6 on Win7/8/8.1/10 x86 or x64 VS2017 - for me is not important how many data it costs, important are possibilities VB4DOS - works also on 64-bit Windows 10 by installing NTVDMx64 (64-bit NT Virtual DOS Machine), screen size is possible to adjust, only fullscreen works not (yet) If anyone wants to know how it works, let me know - I can expain all details. Thank you all people. Miro |
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| 1464. |
Solve : anyone can show me how to obfuscate c code manually? |
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Answer» anyone can show me how to obfuscate c code manually without any obfuscator software because i don't like being script kiddieYou want to do what? i want to avoid reverse enginnering One thing to mention on this is that if anyone has access to seeing how your code runs, they could basically write out a flow chart of what features or what it does and reconstruct their own based on observational reverse engineering. Their program they create can act like your program while coded differently. Curious how you can prevent someone seeing your software, what it does, and them making their own similar program that does the same thing? Since C is compiled, what is there to "obfuscate"? Quote from: Salmon Trout on September 05, 2018, 10:19:01 AM Since C is compiled, what is there to "obfuscate"?Good question. Here is a quote from the Wikipedia article cited by Strollin. In software development, obfuscation is the deliberate act of creating source or machine code that is difficult for humans to understand. Like obfuscation in natural language, it may use needlessly roundabout expressions to compose statements. Programmers may deliberately obfuscate code to conceal its purpose (security through obscurity) or its logic or implicit values embedded in it, primarily, in order to prevent tampering, deter reverse engineering, or even as a puzzle or recreational challenge for someone READING the source code. This can be done manually or by using an automated tool, the latter being the preferred technique in industry. The article went on to say: Disadvantages of obfuscation While obfuscation can make reading, writing, and reverse-engineering a program difficult and time-consuming, it will not necessarily make it impossible.[19] Some anti-virus software, such as AVG AntiVirus,[citation needed] will also alert their users when they land on a site with code that is manually obfuscated, as one of the purposes of obfuscation can be to hide malicious code. However, some developers may employ code obfuscation for the purpose of reducing file size or increasing security. The average user may not expect their antivirus software to provide alerts about an otherwise harmless piece of code, especially from trusted corporations, so such a feature may actually deter users from using legitimate software. The GNU does not encourage obfuscation of source code. You can use an encrypting executable packer so that the binary code cannot be e.g. passed through a dissassembler, which might puzzle a beginner or amateur-level programmer, but the code has to go into memory, and more advanced level programmers or law enforcement personnel will know how to see the binary code being executed. Also most antivirus software will flag the packed executable. Think about why you don't want your code to be "reverse engineered". If your code is at all clever or original, you might do better to let people see it, since your reputation would grow as a result. Definitely worth thinking about why you would want to obfuscate the code, sure it may protect against a beginner trying to reverse engineer it but you can never stop it completely. Sure it may seem appealing to prevent anyone seeing how your code works but realistically it's not a huge deal, especially with an appropriate licence in place to prevent or manage the usage of the code. If you're trying to obfuscate the code as some sort of security measure then I'd advise you to look at what the code is doing and why someone finding that out would be a problem. Generally relying on security through obscurity isn't anywhere near sufficient, personally I always write code assuming that an attacker could have full access to the source code, if this would break security measures in the code, then I'd say the code isn't SECURE enough. While there may be a genuine reason to obfuscate it that I haven't thought of, it's definitely worth thinking about whether it is actually the correct thing to be doing as it often doesn't provide the benefits that people think it does.We've had only two instances of our software being "pirated". The first case was when a disgruntled employee stole the source code and rebadged it and started trying to sell it to some of our existing customers. He apparently forgot to tell them he wasn't with us anymore so they phoned us to ask what was different with the "new product". Naturally the guy was on the wrong end of a losing lawsuit. The second case was one customer actually copy-pasting their install to another customers system. We found that one out when we got support calls from people who weren't customers. There was nothing malicious there though and the latter did sign up appropriately once they found out. You cannot stop the former case which is why there are employment contracts and stuff. The latter case can be dealt with by just blocking casual copying with some basic licensing implementation. There isn't REALLY much need, IMO, to obfuscate source code, or even compiled code, as a FORM of "security"; Personally, I've found that it is mostly those who have nothing worth copying that seem obsessed with preventing it. |
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| 1465. |
Solve : How to read directly PS/2 port?? |
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Answer» Hi! |
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| 1466. |
Solve : I am a "developer"!? |
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Answer» I mostly fit this description, which I found in a comment to an article on The Register: Most "developers" aren't systems engineers and never will be. They're hack-and-bash, copy-and-paste, trial-and-error Google/StackOverflow-searching code monkeys who don't really understand what they're doing. I do try to understand what I am doing, but I do find Google/StackOverflow-searching handy, especially now I have decided to port as many of my handy little batch & vbs scripts as I can to Python. Another comment I found on El Reg reminds me strongly of a situation I have at work: "Who cares if it doesn't work at first? That's what Agile is for!" Sounds more like they were poking a stick trying to get traffic to their website by creating an uproar of people who are angry by how that affects them. "Dont really understand what they are doing" ... just to me seems like they are poking people who develop with a stick in an effort to draw more attention to a website. If people are happy they skip over it and might not share it with friends ( so minimal traffic to a site ), if you upset people thats when they share that with their developer friends and far more traffic rolls into a site with people defending their position/title/label after being offended etc. To clarify, there was this article on The Register, a pretty good, irreverent tech and IT oriented site: https://www.theregister.co.uk/2018/02/10/github_account_name_reuse/ which was about how a Github (a code repository) member deleted his account, and how that led to lots of people's apps breaking because they had linked their projects to his code. Some of these tried to fix the situation by creating a new account at Github with the same name as the old one, and uploading locally saved archives of the missing code to the repository thus "re-created". This has obvious security implications. That was the story. The Register has always had very lively reader's comments sections under each story, and this is no exception. Plenty of people use the comments section to moan about "developers today" not being like they used to be, a monkey could get a job as a developer, etc etc. What I posted was one of these. A site which specifically concentrates on "bad coding" is the Daily *censored*. I like to swing by there every week or so to see what has been submitted. https://thedailywtf.com/ I expect the article comment was trying to be pedagogical regarding how much better they are than everybody else. perhaps as a way of allowing those self-fellating systems engineers to compensate for how they have to deal with "real" engineers who talk about how they aren't actually engineers and shouldn't be calling themselves engineers. The way I see it, Web searches provide an alternative to reference material. Some people might act all high and mighty that they never use it but then they may very well just be repeating the pitfalls that could be avoided by reading a relevant stackoverflow question's various answers. "Programmer's Guides" used to come with most software DEVELOPMENT tools, and they often included code samples or even rather large applications- Visual Basic 2.0 even discusses a full-blown icon editor program - so it's not as if you couldn't copy code from those. On the other hand, I sort of understand where they are coming from. There are some developers who do rely in web searches as a crutch and perhaps would have difficulty solving problems without it; But for the most part I think it is just by developers who really don't care about that specific problem because it's part of some larger puzzle they are trying to put together. On the other hand, There is also this idea that you "have" to google and see what everybvody else is doing. Take my recent "Tetris" clone. The game concept is pretty straightforward so I decided to reference nothing and do no searches on how it's usually implemented. At the same time I tried to design it well, without hard-coding anything. I've referenced it elsewhere and pretty much just received "Have you seen X" where X is some other Tetris clone/engine project. The entire point wasn't to have a Tetris Engine, it was to Write a Tetris engine/game myself. If I wanted to simply play it it's not like I have to look far. The best part there is that now that I've got everything working I have looked at those other implementations and found them better in some ways, but lacking in others. And once you get deep in domain knowledge you can't usually google it anyway. if I have issues with our Internal components, I can't rightly google it. It hasn't always stopped me and sometimes I only remember when I've entered a google search like "TheosClient WriteCommand +Can't read 2 bytes from server Exception" or something, as if there are going to be stackoverflow questions about our specific internal server libraries. And I certainly wouldn't be able to google for the algorithms of how to void invoices, how to rebuild QOH, or how to auto-renew purchase orders or how to reverse Open Item disbursements on an Invoice because even if I find something it's obviously going to be for some completely different platform/framework. But, I've found it valuable for trying to google issues that seem to be related to the language or framework, which helps point us in the right direction. And considering it is sometimes time sensitive because there is literally a customer having the problem right now I don't think there is any shame in googling the problem. There are some instances where I doubt I would have EVER TRACKED down the real problem, or if I did it would have taken a significant time investment. In one case I googled some of the specific verbiage of the error they were receiving and found STACK overflow answers which mentioned Group policies being a possible cause, which it turned out was the problem- Apparently their IT department had put in place Group Policies that restricted certain folders from executing software on specific secure PCs (the ones they used for accounting) And it was those policies which broke some parts of our software. The policy prevented any executable from running from %APPDATA% and that was where our update software downloaded the new installation packages to and ran them, thus the problems. And once we learned that- it was trivial to change the program to download software to the Common Application Data folder instead, since it was already running as administrator anyway. Also, a somewhat unrelated thing I've noticed regarding the Internet in general- and articles and posts is that misinformation tends to spread a lot easier. To many posts/sites/blogs are largely "aggregates" who just take information from elsewhere, write some stupid abstract or re-write it into a paraphrased article, and post it so they can attract those sweet sweet pageviews to their add-ridden website. Of course, I'm not talking about any political gubbins here- I'm sure it applies there but that's outside both my expertise as well as thje scope of this forum. In particular, and, To my endless frustration, for example, is the perpetuating myth that discoloration of ABS plastics (which is a common issue with older tech) is caused by the brominated flame retardants in the plastic. So now you have countless enthusiasts "restoring" their older devices appearance- which is caused by oxidization, by slathering it with an oxidizing cream. It restores the colour because if oxidizes the carbonyl compounds that cause the discolouration, which are themselves a by product of the Butadiene's known properties of photooxidization that can be easily discovered through any number of peer-reviewed science studies/research. it also expedites the original reaction but worse than that it obliterates any remaining UV stabilisers and UV absorbers. But because after using it, it looks new, it spreads as this brilliant way of fixing stuff. Down the line, I expect "No retrobrite!" is going to be one of those things people slap on their ebay listings as the deleterious effects of applying it start to be seen in a few years. Some people swear by yearly applications, which is probably a good way to give the plastic the consistency of an aged cheddar- but, thankfully, not the colour, so it's OK (?).Apparently, the mainly US errant spelling "dilemna" (for dilemma) arose from a typo on a grammar site, widely copied. Being a "developer" is something that needs to be understood by the people who work with a developer and here I refer mainly to users, "beta users", other developers, architects, testers and managers. Nowadays looks like everybody wants things to be done as fast as possible regardless the consequences and preferably without limitations. Everybody is happy when you are giving short estimations but none cares how you will get to meet them. So you "as a developer" are being pushed from behind by all others to became a "monkey" and start to copy and paste tones of code or reuse code from other projects without to understand it just because you have to get better times on the development process. Usually people who works with an developer tends get happy with shorter delivery times than with things like "you know I had to develop it from scratch" or "I had to understand this how it works before to integrate it in our project" these will get probably critical remarks like "yeah you had to develop it from scratch but didn't were any online examples to get so that you could save some time by doing that" or "if it already works take it as it is and just handle the integration". I consider that "developers" are not willing to become "monkeys" but they are just pushed by all the others to get on this way. That is completely believable but thankfully has not been my experience. Though, technically/legally my job title is "Programmer" so maybe that's the difference Another aspect is that a lot of the stuff I work on can't really be googled, so it's mostly simpler reference information like Date format strings that I end up looking up. There isn't going to be a Stack Overflow question about our internal database libraries or our networking protocols.Quote from: shadow on February 24, 2018, 02:14:30 PM I consider that "developers" are not willing to become "monkeys" but they are just pushed by all the others to get on this way.Yes. Where I work, legal/finance in an organisation that processes 5 million dollars of payments a month, we have a gee-whiz web based app coming along to replace a paper-form-to-Excel process. I began to get misgivings when senior managers turned up to give a presentation last year. One of them said brightly "It uses a great new technology called Agile!". So far every single one of my fears have been proved true. It's late, clunky, brain-dead (they didn't think talking to the people who do the process was important), and severely inflexible. I heard last week the lead developer was on a 2 year contract that isn't being extended. A cheaper code monkey is coming in to "finish things off". I think too many senior people's reputations are riding on it for them to just abandon it now, which would be the right thing to do. I guess my different experience is from working in a small company. Often the person writing the software change/fix is directly interacting with the customer staff who discovered it or requested the feature, rather than passing through multiple layers and "shielding" the developers from interacting with customers. In a few cases I've received a forwarded E-mail with a bug, fixed the bug, tested it, deployed it to their site, and responded within a few hours. Know When to Quit. Quote You're thinking of jumping ship. Maybe it's your job, a relationship, a degree, or some other commitment that's both so hard to keep doing and so hard to leave. Should you stay or should you go? Here's how to decide.Quote from: Geek-9pm on February 24, 2018, 03:01:21 PM Know When to Quit. You read my mind.Not sure why anyone would waste their time reading the article. Judging already by title, it's no different than a random you-tube video that says "Don't become a developer!". Any true Developer with business-insight would skip these viewer-proned titles, because you never know what the next generation or current might bring to the IT table. These videos/articles are just mainly there to draw traffic or have a negative connotation. For the thumb, it's good to ignore these as their almost completely useless, comments by those who have already 'made' it and now are RATTING, and or riddled with opinions that strong supporting facts and solid arguments. Instead, utilize that time to build your programming skills stronger than on a bias article with bad writing authors. The original post was regarding a comment on the article, not the article itself. |
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| 1467. |
Solve : GCC warnings? |
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Answer» I am playing with GCC's warnings, and I haven't been able to figure out how to suppress some of them. declaration of ‘name’ shadows a member of ‘Person’on a case by case BASIS? Maybe with a macro? How do you guys do it? I know a lot of people would do something like Code: [Select]this->myName = namebut I find the extra 'my' cringy. I don't know why I don't like it. I just don't.rules for Wshadow have been changing in RESPONSE to complaints from devs - https://stackoverflow.com/a/15554949 |
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| 1468. |
Solve : Auto-update files to domain application? |
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Answer» I'm interested in creating an application for automatic updating of files that will be determined by registered users and my approval. Files will be uploaded to my domain. I'm interested in creating an application for automatic updating of files that will be determined by registered users and my approval.So will each user only get an update if you approve? Quote from: MIRKOSOFT on October 23, 2018, 10:45:49 AM Files will be uploaded to my domain.Are the files uploaded to your domain, and then distributed to the users? Or are the users uploading to the domain? Quote from: MIRKOSOFT on October 23, 2018, 10:45:49 AM Can you help me with an open-source code application example?You could take many routes. Checkout rsync https://rsync.samba.org/examples.html wget https://unix.stackexchange.com/questions/36798/sync-with-a-directory-listing-of-web-server So, what, how and who: 1. user Can upload selected file after REGISTRATION. Only one file. When logs in, all file changes will be automatically uploaded to domain - in time interval, no CHANGE watching, original ALWAYS overwritten. To other registered users will be file not available. 2. admin (me) Accept/decline registration, then allow uploading (or updating) file. No watching file content, only size and type - by rules. 3. domain Repository for registered users files. Finally what I want to do? I'm afraid if it is ok in case of laws. But want to allow users sync their notes between devices and platforms. Why own solution when others are available? What an application this type exist for 8 and 16-bit COMPUTERS? Exactly Commodore computers... So, now I admit reason. Please don't crucify me. I'm working on OS for Commodore computers and want to offer this feature which is not public yet. MiroI think I understand. On the commador you could use xmodem: http://web.cecs.pdx.edu/~rootd/catdoc/guide/TheGuide_226.html And send the file to a computer that can connect/ run your hypothetical service.Thank you very much! I try to do it by this way. MiroQuote from: MIRKOSOFT on December 11, 2018, 06:04:48 PM
So how's that going to work? You host the file but only the client can view it? Wouldn't they then need to encrypt it before uploading it to your domain? And if this is going to be forced then wouldn't you need to provide the encryption software to your clients to make access reasonably straightforward, or inform them that you will only not be able to view their files if they encrypt it themselves? I mean you could also encrypt the uploads as soon as they are received at your domain and only provide the key to the client, but then there's no guarantee for the end user that you haven't kept a note of the key. Or am I missing something here? File content is problem - of course it needs encryption, but Imust FIRST create main solution and after finish I can to do it, of course before release the service. Miro |
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| 1469. |
Solve : Creating a custom XML field dependent on field selection - what language?? |
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Answer» Hello, |
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| 1470. |
Solve : Help, trying to create a custom boot usb? |
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Answer» Hi FOLKS, |
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| 1471. |
Solve : Visual Studio .NET? |
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Answer» I'm using visual studio .NET enterprise 2003. |
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| 1472. |
Solve : Error occur while opening the PC? |
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Answer» When I START up my computer I GET a small box in the middle of the screen saying Frequencia fuera de bande. |
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| 1473. |
Solve : BRAINFUCK? |
| Answer» HEY. does ANYONE IKNOW what file extension i would use for a BRAINFUCK document?A .jstnnice Raptor | |
| 1474. |
Solve : Split String in Lua? |
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Answer» So I am attempting to split all of the arg[a] values (which are separated by a comma (,)) into argtb[a] = {x,y}. The issue is that with the current fuction I have, it is removing the negative signs, and thus passing on the wrong number. math.abs *Is there an absolute value conversion happening somewhere else in the program that is not shown in this code snippet? Only other thought is that through a string to numeric conversion it is looking at - and each value as not a whole, but 2 DIFFERENT pieces of string data in which string to numeric conversion is dropping the - and causing an absolute value condition to happen. I ran into issues a while back when trying to cast from string to numeric, maybe thats the issue that is going on here. Something like this could have a band aid placed into the code to end up with negitive numbers, however anyone who knows how to fix this may grit their teeth stating its poor programming, but if you knew you were working with data in a range of say -2000 to +2000, you could work with 0 to 4000, and when the data is extracted with the offset to work with positive integers, you can have an offset removal once you have your integer to pass it back to the correct value that will show as negative. So for example if we were working with -23, and want -23 to be the number vs 23 as you have now. You can offset everything into positive territory even when written to data file so that -23 is actually 1977 with 2000 equal to 0. In the data file you have 1977, 2009 for values -23, 9 and before the data is used you remove the 2000 offset with integers working with integers and you will get your negative value vs the absolute value type condition that is happening. I have had to do stuff like this in the past with C++, its probably not the right way, but when running into issues casting from string to integer a few lines of code extra is a band aid, although as I said a master programmer would probably grit their teeth at such a band aid.Quote So for example if we were working with -23, and want -23 to be the number vs 23 as you have now. You can offset everything into positive territory even when written to data file so that -23 is actually 1977 with 2000 equal to 0. In the data file you have 1977, 2009 for values -23, 9 and before the data is used you remove the 2000 offset with integers working with integers and you will get your negative value vs the absolute value type condition that is happening. The value's I'm using are passed directly from the user into the program. So the user call it with 'graph.lua -5,-6' where arg[1] becomes "-5,-6". It was a good idea, but sadly cannot be implemented without first separating the values. I believe I have found the issue, and sadly it's only solvable by someone with lua experiance. Code: [Select]for value in string.gmatch(arg[a],"%w+") do Is separating it by punctuation, and happens to include "-" as punctuation. I've messed around with %w+ to no avail (%w+ is suppose to specify how to separate the string) I will continue messing with it until I find something that works. EDIT: Fixed it... All I needed to do was put a "-" in front of "%w+"... I feel really stupid now... Thanks for pointing me in the right direction DaveLembke!Glad I was able to help some even though I have never worked with LUA Did some research on it and LUA looks interesting. Going to read up some more on it. Thanks for pointing me towards LUA to check it out I use C++, C#, and Perl as my choice languages so going to read deeper into LUA to see what benefits there are that C++, C#, and Perl dont already have. Quote Lua is a fast language engine with small footprint that you can embed easily into your application. Lua has a simple and well documented API that allows strong integration with code written in other languages. It is easy to extend Lua with libraries written in other languages. It is also easy to extend programs written in other languages with Lua. Lua has been used to extend programs written not only in C and C++, but also in Java, C# , Smalltalk, Fortran, Ada, Erlang, and even in other scripting languages, such as Perl and Ruby. and interesting that its used in games that I play. So I am interested in looking to see what role LUA is used in each of those, if its common knowledge to know and not classified by the makers. Quote Lua is a proven, ROBUST language |
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| 1475. |
Solve : Fetching code - JavaScript Help? |
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Answer» Hi there, Once the device and resolution has been detected it will then display the web page to the resolution they are using on their device. Not sure how you plan to do this. Quote Is this JavaScript or is he getting confused with another language? The above JScript uses the Windows Management Interface (WMI). Other LANGUAGES such as Powershell, Perl, Python, and VBscript all have the same access to the WMI classes. Even batch code can access the classes thru the WMIC command line utility (not available on XP Home). Good luck. Hi Sidewinder, Thanks for the info and the example code! Will give it a GO but it also answers my question too. thanks again! B2 |
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| 1476. |
Solve : eject cd? |
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Answer» is there ANY CODE or way that i can create an executable that onopen ejects the cd TRAY? |
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| 1477. |
Solve : Assembly Language For the x86 Processor college problem? |
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Answer» I am taking a programming class in college, and I am having a lot of trouble with this assignment the teacher is not willing to help and I don't know where to go for help. |
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| 1478. |
Solve : VBA Access 2010 - Assigning text to a label caption? |
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Answer» So I have an on-click event, a SQL query that imports a bunch of data to my SQL db. That all works FINE. I want to add a function which then writes a date/time stamp on several FORMS that I decided are relevant. I'm already got it working in a few forms, but I rand into a bump in the method I'm using. Here's the code I have now: |
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| 1479. |
Solve : Beginning with C and first problems? |
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Answer» Hi! Visual C++ 6 PortableThere is no "Visual C++ 6 Portable" so whatever you are using is aftermarket. Anyway, cl.exe needs to be in the list of "Executable directories" found under tools->Options. That might be set per-machine with this "aftermarket" thing, or maybe it merely needs configured. This is the same thing the VS Code error is indicating you should do. You need to add the include directory to the c_cpp_properties.json file. .C is the file extension for C files. .cpp is for C++ files. this is relevant because what you have there is in a CPP file but is not valid C++ code, so you'd want to use the .C file extension so that the compiler knows it is a C file. In C you could omit the RETURN type of the main() routine but in C++ you have to specify it.Thank you! I configured paths and my code in Visual C++ 6 Portable works. Really it is portable VC++ - no install only extract and now I know that configure.... How to configure VSCode Portable don't know. Miro |
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| 1480. |
Solve : How to check if a file is present in a directory at a specific time? |
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Answer» I WOULD like to know how to create a bat FILE to EXECUTE at a certain time (i.e. 3:00am) to check in a DIRECTORY if a file with the current date (YYYYMMDDaa.req) is present. If not, SEND an email notification. I am not a programmer so any help is greatly appreciated. |
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| 1481. |
Solve : PDFBox: I need to change the font size when filling fields? |
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Answer» I am using PDFBox in Eclipse with Java in ORDER to take in a PDF and fill the fillable fields automatically. I have a working program, the only problem is one field that is too small for the information written in it. |
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| 1482. |
Solve : Problem Moving A Directory From External Hard Drive To Internal (C:) Drive? |
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Answer» I'm trying to use the following command, to move a directory (folder), from my external HD, to my internal (C:) Drive's Desktop. |
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| 1483. |
Solve : Script I stumbled upon...? |
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Answer» I came across this script LAST week and tried it out for WSL, it works great - is there a downside to using it that anyone can see? <edit> I haven't any idea what parameter is being passed </edit> More context needed. A link? Quote from: Quantos on April 30, 2019, 02:44:22 PM <edit2> Could the parameter be setting some condition to exist for XFCE? </edit2> Strange not to do it in WSL. I have installed LXDE in my Ubuntu WSL, and use a VNC SERVER to get an X desktop, but I didn't need batch files to do it.Quote from: Salmon Trout on April 30, 2019, 02:52:20 PM More context needed. A link? Oh sure, it took a few to find it - https://token2shell.com/howto/x410/creating-shortcut-for-wsl-gui-desktop/ That's where I found the script |
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| 1484. |
Solve : fortress? |
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Answer» dose any ONE now how to CRASH a COMPUTER fortress its a program that stops yoru from opening all programs execpt the ONES alowed by the adminastraterYou'll need a ballista.what is thatjustin your having the same prolbems |
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| 1485. |
Solve : programming the greed game? |
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Answer» I have a huge problem, I have to write a COMPUTER program for my class and i cant write it. The program is called the Greed Game. If anyone has this program COULD you please email it to me at [emailprotected]And another kid who WANTS US to do his homework... |
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| 1486. |
Solve : Python - Cannot download py2exe module? |
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Answer» Hello all. Just wondering if ANYONE actually has a copy of the py2exe program for COMPILING Python code? |
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| 1487. |
Solve : Compiled Code Question? |
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Answer» Friend of mine hit me up asking if there was a way to compile code and have it unable to be decompiled? Even in the case of encrypted code blocks at some point it must be decrypted and in memory so that it can be executed. Yeah that is what my thought was on trying to hide the code was that the computer has to have the information structured pretty much the same as an unprotected program, and poking around in memory to see what is there is too easy for someone with skills/tools to be able to see its structure. Will share this with him when I see him tomorrow. |
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| 1488. |
Solve : Neat online PHP interpreter I found? |
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Answer» Found this neat online PHP interpreter when digging around on google for some info on PHP. Figured I'd share the link here in case anyone wants to play with PHP without having to install WAMP, LAMP, or XAMPP. HOWEVER if you are doing ANYTHING complex or linked to a database etc you will need to use a real package locally for development. WOW.... SWEET!!!! Thanks for sharing that BC, so many to chose from vs just PHP, JS, etc It's important to remember that Ruby on Rails- the Framework- has itself been an attack vector that has compromised websites before. Anyway, I covered Ruby in One of my Language comparisons a while back. Ruby was the most CONCISE language I used, in that it allowed me to write the program with the least code. I think I also make a reasonable point at the end of that particular post- "The time for judging a language on it’s inherent execution MODEL passed before the end of the Cold War. ". It was only one line shorter than the Perl implementation, but the difference is I can look at the Ruby code and understand what is happening. With the Perl implementation, I haven't got much of a clue. |
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| 1489. |
Solve : programer? |
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Answer» what do u to creat a programjustin......GIVE it a REST Justin |
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| 1490. |
Solve : How make a package software .bat files? |
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Answer» HI.. i tried make a package via hpca admin publisher, when i try deploy application to client .bat files only copying source to client but not execute So you need remote execution service ability added then at the clients systems to support remote install. There are tools out there to do this, but I am not sure of they open up security holes or not with them present to handle the incoming remote execution request. If it is a one time execution, you have many systems to perform this install on, and users have power user privileges to perform installations without requiring admin privileges, I'd have each user execute it and when its done the software is there. Or if this is a software update that requires execution, I would use scheduled task built into Windows to check for updates at say midnight. If no NEW software updates then nothing happens, but of a software update is present it triggers this event to perform the software update. |
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| 1491. |
Solve : Run a program only on idle time - Screensaver Creation Question? |
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Answer» I have a project that I am playing with to which I'd like to have it running on my computers only during idle time and then when computer is in use it either pauses the program or runs it at a much lesser CPU priority so that it doesn't cripple the system when hopping on to use it. |
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| 1492. |
Solve : Batch Files and Logging? |
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Answer» Is there any way of WRITING the output of a batch file as a program runs to a text file? There is no option with the .exe that I am running from the batch for logging. But would LIKE to keep track of what files it finds. These files are written to the screen as the file executes, but I would like to write these to a text file. |
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| 1493. |
Solve : create batch file? |
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Answer» need help in CREATING a batch with below conditions. |
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| 1494. |
Solve : Computer stuck on automatic repair? |
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Answer» My Alienware m17 r4 has been STUCK on the AUTOMATIC repair screen,I have no problem with restarting it to factory settings I just can’t get to the advanced OPTIONS settings for some reason Hi |
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| 1495. |
Solve : jpeg files do not open in Thunderbird emails? |
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Answer» How can I GET THUNDERBIRD to open INCOMING jpeg FILES in EMAIL. |
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| 1496. |
Solve : need codin advice? |
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Answer» Hi, Just wading thru trying to keep my little mind INTACT. My project is a
Thanks |
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| 1497. |
Solve : want to change computer sounds? |
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Answer» How can I create sound files to change the standard sounds that my computer makes, such as startup, mouse click, etc.? A set of coded instructions that enables a machine, especially a computer, to perform a DESIRED sequence of operations. I donot see you code any instructions when you are merely trying to set Windows sounds, do you? The word you're looking for is 'configuring' Quote To DESIGN, arrange, set up, or shape with a view to specific applications or usesAnd I see the "configuring" section where...? How about software or Windows? |
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| 1498. |
Solve : html5 game debugging? |
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Answer» Ok so im makin an html5 game but i have hit a road bump. |
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| 1499. |
Solve : PHP - User Interface Question? |
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Answer» So I am playing around with PHP and what better WAY to learn it than to make a game, however ... I have some questions regarding the user interface options: |
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Solve : Java 2 problems? |
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Answer» I have been working with the SAMS Java 2 in 24 Hours book and was doing fine up to chapter 7 when I had to reformat my hard drive. Since then I have re downloaded and reinstalled the j2sdk kit in the form of the j2ee1.4sdk package. I have set my classpath correctly (have scrutinized this carefully) When I run the command line from the java folder and enter any "java" command it responds with "JAVA is not a recognized command, program or batch file" |
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