anchor.diff:      delete $rootScope.loading_single_folder_feeds[params.folder_id]
       # Update unread counts with the received feeds. Set the unread counter for any feed in the folder but
       # not in the received JSON to zero.
  +    folder = findSvc.find_folder params.folder_id
       update_folder_feeds folder, response.slice()
   
     #--------------------------------------------
  
positive.code:     return if $rootScope.loading_single_feed[id]
  
      $rootScope.loading_single_feed[id] = true
      $http.get("/api/feeds/#{id}.json")
      .success (data)->
        delete $rootScope.loading_single_feed[id]
        add_feed data
        favicoSvc.update_unread_badge()
      .error (data, status)->
        delete $rootScope.loading_single_feed[id]
        if status == 404
          # The requested feed does not exist in db, remove it from scope
          cleanupSvc.remove_feed id
        else
          timerFlagSvc.start 'error_loading_feeds' if status!=0
  
    #---------------------------------------------
    # PRIVATE FUNCTION: Push a feed in the feeds array if it isn't already present there.
  
negative.code:     return if $rootScope.loading_single_folder_feeds[folder.id]
  
      $rootScope.loading_single_folder_feeds[folder.id] = true
      worker.postMessage {operation: LOAD_FOLDER_FEEDS, token: token, folder_id: folder.id, show_read: $rootScope.show_read}
  
    #---------------------------------------------
    # PRIVATE FUNCTION: Update the feeds and their unread counts, for feeds in a folder.
  