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How to get the max of two values in MySQL?
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Use GREATEST()
E.g.:
SELECT GREATEST(2,1);
Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)
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How does Apple find dates, times and addresses in emails?
...extWord isPartOfDate
"Feb." 3 1 4 "Wed" "29th" TRUE
"DEC" 3 0 3 "company" "went" FALSE
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You might get away with 50 examples of each, but the more the merrier. Then, the algorithm learns based on those examples, and can apply...
Wait for a void async method
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Best practice is to mark function async void only if it is fire and forget method, if you want...
Seeding the random number generator in Javascript
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Feb 6 '09 at 17:42
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Is there a “vim runtime log”?
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edited Jan 16 '17 at 22:25
ideasman42
26.3k1616 gold badges107107 silver badges216216 bronze badges
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get just the integer from wc in bash
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edited Sep 20 '10 at 1:31
answered Sep 19 '10 at 18:40
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sed error: “invalid reference \1 on `s' command's RHS”
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Don't you need to actually capture for that to work? i.e. for variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...这些错误消息出现在客户端，但通常是由于 Windows Server 2003 终端服务器许可证服务器或终端服务器产生错误而显示这些消息的。因此，当您在对终端服务器授权问题进行故障排除时，请先确定这是服务器配置方面的问题还是网络...
Install gitk on Mac
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Correct, the 1.7.12.4 (Apple Git-37) does not come with gitk. You can install a more recent version of git + git-ui as a separate formula by using brew. More thorough instructions located here: http://www.moncefbelyamani.com/how-to-install-xc...