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mysql> prompt (\u@\h) [\d]>  
PROMPT set to '(\u@\h) [\d]>'  
(debian-sys-maint@localhost) [cms]>

persistent in bashrc:

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export MYSQL_PS1='(\u@\h) [\d]> '

Today I finally managed to set up an incremental backup for my workstation. What do we need? Well, nothing more than rdiff-backup, an opensource command line tool with all the powers you need.

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I just had the need for an Iterator that can sort itself by a user defined callback.

My special use case is that the DirectoryIterator of PHP does not sort the file list so it’s pretty random. But my program logic relies on files being sorted by filename.

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