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How to redirect the output of an application in background to /dev/null
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edited Apr 13 '17 at 21:20
answered Nov 21 '11 at 23:40
ev...
Most efficient way to concatenate strings in JavaScript?
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edited Apr 24 '18 at 9:20
answered May 22 '13 at 16:16
Ja...
Get average color of image via Javascript
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150
AFAIK, the only way to do this is with <canvas/>...
DEMO V2: http://jsfiddle.net/xLF38/81...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...rade;
proxy_set_header Connection "upgrade";
proxy_read_timeout 86400;
}
You can also check the nginx changelog and the WebSocket proxying documentation.
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PowerShell and the -contains operator
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203
The -Contains operator doesn't do substring comparisons and the match must be on a complete str...
grep output to show only matching file
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answered Oct 11 '10 at 16:37
a'ra'r
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
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edited Oct 6 '16 at 19:40
Victor Stafusa
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answe...
XMLHttpRequest status 0 (responseText is empty)
Cannot get data with XMLHttpRequest (status 0 and responseText is empty):
19 Answers
1...
MongoDB logging all queries
...ing to: test
> use myDb
switched to db myDb
> db.getProfilingLevel()
0
> db.setProfilingLevel(2)
{ "was" : 0, "slowms" : 1, "ok" : 1 }
> db.getProfilingLevel()
2
> db.system.profile.find().pretty()
Source: http://docs.mongodb.org/manual/reference/method/db.setProfilingLevel/
db.set...
How to generate a random string of a fixed length in Go?
...r) might be an acceptable compromise: they do improve performance by like 50% (see exact numbers in the II. Benchmark section), and they don't increase complexity significantly.
Having said that, even if you don't need the fastest solution, reading through this answer might be adventurous and educ...