What role do sub-directory app/helpers and app/controllers play?

1.	What role do sub-directory app/helpers and app/controllers play?
Answer» App/controllers: A CONTROLLER handles the WEB request from the user. Rails search the controller sub-directory for controller classes. App/helpers: This sub-directory HOLDS HELPER classes that are used to assist the controller classes.

Answer»

App/controllers: A CONTROLLER handles the WEB request from the user. Rails search the controller sub-directory for controller classes.

App/helpers: This sub-directory HOLDS HELPER classes that are used to assist the controller classes.

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