目录1、一个下划线2、两个下划线3、代码示例在python中，使用一个下划线（_）和两个下划线（__编程客栈）来表示私有属性。
开发者_JAVA技巧I have a view controller with a table view and a UISearchBar. When the view controller is first brought up, the table is populated.A click on a table row pushes another view controller,
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