gistfile1.txt

        class ApplicationController < ActionController::Base
          # Prevent CSRF attacks by raising an exception.
          # For APIs, you may want to use :null_session instead.
          protect_from_forgery with: :exception
          before_action :configure_permitted_parameters, if :devise_controller?
          
          protected
            def configure_permitted_parameters
              devise_parameter_sanitizer.permit(:sign_up, keys: [:username, :email, :password, :password_confirmation, :remember_me])
              devise_parameter_sanitizer.permit(:sign_in, keys: [:username, :email, :password, :password_confirmation, :remember_me])
              devise_parameter_sanitizer.permit(:account_update, keys: [:email, :password, :password_confirmation, :remember_me])
            end
          
        end

    class ApplicationController < ActionController::Base
      # Prevent CSRF attacks by raising an exception.
      # For APIs, you may want to use :null_session instead.
      protect_from_forgery with: :exception
      before_action :configure_permitted_parameters, if :devise_controller?

      protected
        def configure_permitted_parameters
          devise_parameter_sanitizer.permit(:sign_up, keys: [:username, :email, :password, :password_confirmation, :remember_me])
          devise_parameter_sanitizer.permit(:sign_in, keys: [:username, :email, :password, :password_confirmation, :remember_me])
          devise_parameter_sanitizer.permit(:account_update, keys: [:email, :password, :password_confirmation, :remember_me])
        end

    end