分类: bookmark
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获取两组数据的固定乱序组合
修改自一个矩阵z形遍历代码,改成从中间开始遍历,乱序效果更好 function matrix_mess_ord […]
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[bookmark]统计最常使用的命令
v2ex看到一条统计最常用命令的脚本,收藏一下~ $ history | awk ‘{CMD[$2]++;co […]
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[bookmark]cron,anacron,atd
There’s a clear difference between these three ap […]
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key code table
Key Mac Windows Linux Notes rbKeyUp 126 26 103 rbKeyDow […]
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mysqldump的where选项
mysqldump -uxxx -pxxx -hxxx –opt –where=”id=2312″ dbn […]