## Controller code

  def update
    @project = Project.find(params[:id])
    if @project.update_attributes(params[:project])
      if params[:make_featured]
        raise @project.inspect
        config = ApplicationConfigs.find(1)
        config.front_page_featured_project_a = @project[:id]
        config.save
      end
      redirect_to edit_project_path(@project), :notice  => "Successfully updated project."
    else
      render :action => 'edit'
    end
  end



## Output

RuntimeError in ProjectsController#update

#<Project id: 1, title: "title", summary: "", link: "", created_at: "2011-05-10 14:02:21", updated_at: "2011-05-10 14:24:27", main_image_file_name: nil, main_image_content_type: nil, main_image_file_size: nil, main_image_updated_at: nil, cached_slug: "title", in_selected_projects_list: false, thumbnail_image_file_name: nil, thumbnail_image_content_type: nil, thumbnail_image_file_size: nil, thumbnail_image_updated_at: nil, featured_project_title: "", featured_project_summary: "">