小编mka*_*a93的帖子

func dropShape() {
        if let shape = fallingShape {
            while detectIllegalPlacement() == false {
                shape.lowerShapeByOneRow()
            }
            shape.raiseShapeByOneRow()
            delegate?.gameShapeDidDrop(self)
        }
    }

嗨,我正在接受'dropShape()'的无效重新声明,所以我错了.有谁能够帮我

   class CallHistoryDataSource : UITableViewSource
    {
        CallHistoryController controller;

        public CallHistoryDataSource (CallHistoryController controller)
        {
            this.controller = controller;
        }

        public override int RowSelected(UITableView tableView, int section)
        {
            return controller.PhoneNumbers.Count;
        }
        //
        // Returns a table cell for the row indicated by row property of the NSIndexPath
        // This method is called multiple times to populate each row of the table.
        // The method automatically uses cells that have scrolled off the screen or creates new ones as necessary.
        //
        public override UITableViewCell GetCell …

 def index
    @posts = Post.published

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @posts }
      format.atom
    end
  end

我正在接受这个错误.我是新的RoR任何人都可以帮助我.我现在能做什么？