Create and delete local brokers without using the command line.
不使用命令行就可以创建和删除本地代理。
To delete the first line in a file.
若要删除文件中的第一行，可以使用以下命令。
To delete the last line of a file.
若要删除文件的最后一行，可以使用以下命令。
To delete from the first line until the first blank line.
若要删除从第一行直到第一个空白行的所有内容，可以使用以下命令。
Delete the entire line (even if it wraps on the screen).
删除整行(即使该行在屏幕上是自动换行的)。
If you don't use custom symbols, just delete this line.
假如您不使用自定义符号，就删除此行。
The first line connects the cb_delete function to the delete-event signal on the window object.
第一行把cb_delete函数连接到window对象的delete - event信号。
The first line connects the cb_delete function to the delete-event signal on the window object.
第一行把cb_delete函数连接到window对象的delete - event信号。
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