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Remove rows with all or some NAs (missing values) in data.frame
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donshikindonshikin
1,32377 silver badges66 bronze badges
2
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How can I trim leading and trailing white space?
I am having some troubles with leading and trailing white space in a data.frame.
13 Answers
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git: abort commit in the middle of typing message
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Rudolf TucekRudolf Tucek
32944 silver badges99 bronze badges
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Get week of year in JavaScript like in PHP
...tation.
– Alasdair
Dec 13 '11 at 10:32
4
You saved my ass. Thanks. If you want to contribute to O...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
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Use the php_sapi_name() function.
if (php_sapi_name() == "cli") {
// In cli-mode
} else {
// Not in cli-mode
}
Here are some relevant notes from the docs:
php_sapi_name — Returns the type of interface between web server...
Parse email content from quoted reply
... matched, I try to use the next one.
new Regex("From:\\s*" + Regex.Escape(_mail), RegexOptions.IgnoreCase);
new Regex("<" + Regex.Escape(_mail) + ">", RegexOptions.IgnoreCase);
new Regex(Regex.Escape(_mail) + "\\s+wrote:", RegexOptions.IgnoreCase);
new Regex("\\n.*On.*(\\r\\n)?wrote:\\r\\n", ...
Generate random numbers uniformly over an entire range
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@Apollo The documentation says "32-bit Mersenne Twister by Matsumoto and Nishimura, 1998". I'm assuming it's an algorithm to generate pseudo-random numbers.
– Shoe
Nov 23 '15 at 18:14
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Force page scroll position to top at page refresh in HTML
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@Paul12_ - I just tested it on Safari 11.0.3 and works okay for me, which one are you using?
– ProfNandaa
Aug 21 '18 at 23:56
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
How to I get mongo to use a mounted drive on ec2? I really do not understand. I attached a volume on ec2 formatted the drive as root and start as root and yet as root I cant access? I am running on ubuntu 12.04. No other mongo is running
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