render … :location => @user will set the HTTP location header to inform the client of the location of the newly created resource (that is, its URL) head :ok sets render to return an empty response (so just the header, no body) with status 200. head :ok is shorthand for render nothing: true, status: :ok. … Read more
As per my knowledge its not necessary to “render show” in format.html it will automatically look for a respective action view for ex : show.html.erb for html request and show,js,erb for JS request. so this will work respond_to do |format| format.html # show.html.erb format.json { render json: @user } end also, you can check the … Read more
The method to access the format is: controller.request.format
Update the create action as below: def create … respond_to do |format| if @reservation.save format.html do redirect_to “https://stackoverflow.com/” end format.json { render json: @reservation.to_json } else format.html { render ‘new’} ## Specify the format in which you are rendering “new” page format.json { render json: @reservation.errors } ## You might want to specify a json … Read more
I don’t know why everyone is suggesting you should be using instance_methods and include? when method_defined? does the job. class Test def hello; end end Test.method_defined? :hello #=> true NOTE In case you are coming to Ruby from another OO language OR you think that method_defined means ONLY methods that you defined explicitly with: def … Read more