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Selecting data frame rows based on partial string match in a column
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mpg cyl disp hp drat wt qsec vs am gear carb
# Merc 240D 24.4 4 146.7 62 3.69 3.19 20.0 1 0 4 2
# Merc 230 22.8 4 140.8 95 3.92 3.15 22.9 1 0 4 2
# Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4
# Merc 280C 17.8 6 167.6 123 3.92 3....
C++ template typedef
...able solution?
– StackedCrooked
Aug 24 '12 at 6:07
2
@StackedCrooked: Depends on his goals. I avo...
How to see if an object is an array without using reflection?
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249
You can use Class.isArray()
public static boolean isArray(Object obj)
{
return obj!=null ...
converting double to integer in java
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answered Jun 24 '11 at 13:50
jjnguyjjnguy
125k4949 gold badges283283 silver badges319319 bronze badges
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Twig for loop for arrays with keys
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answered Apr 24 '12 at 14:00
GuillaumeGuillaume
7,7011010 gold badges4343 silver badges6161 bronze badges
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Run java jar file on a server as background process
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245
You can try this:
#!/bin/sh
nohup java -jar /web/server.jar &
The & symbol, switche...
What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
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edited Apr 24 '19 at 15:17
answered Sep 26 '12 at 11:40
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Format bytes to kilobytes, megabytes, gigabytes
...tes = max($bytes, 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($units) - 1);
// Uncomment one of the following alternatives
// $bytes /= pow(1024, $pow);
// $bytes /= (1 << (10 * $pow));
return round($bytes, $precision) . ' ' . ...
Difference between exit(0) and exit(1) in Python
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answered Feb 24 '12 at 5:50
manojldsmanojlds
248k5454 gold badges425425 silver badges395395 bronze badges
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Change how fast “title” attribute's tooltip appears
...ponents/tooltips.html
– Danny R
Mar 24 '14 at 12:52
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