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Efficiently test if a port is open on Linux?
...n, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!"
exec 6>&- # close output connection
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How to select from subquery using Laravel Query Builder?
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In addition to @delmadord's answer and your comments:
Currently there is no method to create s...
Has anyone used Coffeescript for a production application? [closed]
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We've started to use CoffeeScript in our product - a non-public facing website which is basicall...
Limit text length to n lines using CSS
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MSSQL Error 'The underlying provider failed on Open'
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edited May 23 '17 at 12:02
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answered Jun 21 '10 at 2:17
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How to add a separator to a WinForms ContextMenu?
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answered Aug 28 '09 at 23:26
SqlRyanSqlRyan
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马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...理的甲方，然后问题又来了，价钱如何阶段收取呢？是5-3-2，还是6-3-1，还是神马？
有些猿类血泪教训：价钱按照3-3-4来收取，做到一半的时候，结果需求方就说不想做了，项目黄了。这种情况下尾款肯定收不到，RP 好的话，中...
How to convert enum value to int?
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You'd need to make the enum expose value somehow, e.g.
public enum Tax {
NONE(0), SALES(1...
Faster way to develop and test print stylesheets (avoid print preview every time)?
...indows, Linux))
2. Start typing Rendering and select Show Rendering.
3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type emulation can be found here:...
Can I run javascript before the whole page is loaded?
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T.J. CrowderT.J. Crowder
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