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Please explain the exec() function and its family
...ich - the return code of fork() provides this information - the child gets 0, the parent gets the PID of the child (if the fork() fails, no child is created and the parent gets an error code).
That way, the parent knows the PID of the child and can communicate with it, kill it, wait for it and so on...
URL rewriting with PHP
...omething like this:
RewriteEngine on
RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it gets asked a URL matching the regular expression it rewrites it internally to what you want, without the end user seeing it. ...
How to change Rails 3 server default port in develoment?
On my development machine, I use port 10524. So I start my server this way :
9 Answers
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Match everything except for specified strings
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answered Mar 8 '10 at 20:04
Wayne ConradWayne Conrad
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How to make a edittext box in a dialog
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– Raghunandan
Sep 14 '13 at 8:10
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What is a 'Closure'?
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edited Nov 16 '19 at 2:02
community wiki
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Class method differences in Python: bound, unbound and static
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answered Sep 22 '08 at 11:05
Torsten MarekTorsten Marek
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Android: set view style programmatically
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answered Jan 10 '14 at 11:38
BlundellBlundell
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Grab a segment of an array in Java without creating a new array on heap
...y, the utility method Arrays.copyOfRange() was introduced in Java 6 (late 2006?):
byte [] a = new byte [] {0, 1, 2, 3, 4, 5, 6, 7};
// get a[4], a[5]
byte [] subArray = Arrays.copyOfRange(a, 4, 6);
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List all files and directories in a directory + subdirectories
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Ruslan F.Ruslan F.
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