Explain me what is the difference between concern and application_controller.rb in ruby on rails?
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Answer Posted / Vimal Kumar
ApplicationController.rb is the base controller for all controllers in a Rails application. It contains common methods shared among controllers, such as authentication or session handling.nnConcerns, on the other hand, are modules that can be included in any model or controller to add specific functionalities without duplicating code. They allow you to share functionality between multiple controllers and models.
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