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How to get min/max of two integers in Postgres/SQL?
... GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0);
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How to alias 'git checkout' to 'git co'
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answered Jan 23 '13 at 20:49
joseph.hainlinejoseph.hainline
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How to get a specific version of a file in Mercurial?
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I think you want hg revert -r<rev> <file> (this will change that file to be as it ...
Is there an AddRange equivalent for a HashSet in C#
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edited Aug 9 '18 at 0:08
Neuron
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Check free disk space for current partition in bash
...to check a specific directory.
You might also want to check out the stat(1) command if your system has it. You can specify output formats to make it easier for your script to parse. Here's a little example:
$ echo $(($(stat -f --format="%a*%S" .)))
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Store a closure as a variable in Swift
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edited Oct 17 '16 at 19:47
answered Jul 7 '14 at 7:09
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Which mime type should I use for mp3
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151
Your best bet would be using the RFC defined mime-type audio/mpeg.
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Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...免费开源工具（有广告）实现Flash文件的预览。
优点：
1、有效的保护的源文件及文件的复制，不可复制也是缺点。
2、源码是自己的，版权有保证。
缺点：
1、服务器上必须安装Office软件。
2、导出PDF文件本身是个打印过程...
Set mouse focus and move cursor to end of input using jQuery
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19 Answers
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Is there a difference between /\s/g and /\s+/g?
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212
In the first regex, each space character is being replaced, character by character, with the em...