app/controllers/clipster/clips_controller.rb
def clips
      # get all clips, with the newest clip first
      if params[:lang].nil?
        @clips = Clip.public.order('created_at DESC').page(params[:page])
      else
        @clips = Clip.language_for_public(params[:lang]).order('created_at DESC').page(params[:page])
      end

      @updated_at = @clips.first.updated_at unless @clips.empty?

      respond_to do |format|
        format.html
        format.atom
        format.json { render json: @clips }
        format.xml { render xml: @clips }
      end
    end
def clips
      # get all clips, with the newest clip first
      if params[:lang].nil?
        @clips = Clip.public.order('created_at DESC').page(params[:page])
      else
        @clips = Clip.language_for_public(params[:lang]).order('created_at DESC').page(params[:page])
      end

      @updated_at = @clips.first.updated_at unless @clips.empty?

      respond_to do |format|
        format.html
        format.atom
        format.json { render json: @clips }
        format.xml { render xml: @clips }
      end
    end
GET /clips
 GET /clips.json
 GET /clips.xml