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PHP Difference between array() and []
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edited May 18 '16 at 5:35
e2-e4
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an...
Creating an empty file in Ruby: “touch” equivalent?
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182
FileUtils.touch looks like what it does, and mirrors* the touch command:
require 'fileutils'
F...
How do you redirect HTTPS to HTTP?
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128
This has not been tested but I think this should work using mod_rewrite
RewriteEngine On
Rewrit...
In Vim, I'd like to go back a word. The opposite of `w`
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288
Use b to go back a word.
You may also want to check out W and B to advance/go back a WORD (wh...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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HYRYHYRY
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Removing viewcontrollers from navigation stack
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Pranav Kasetti
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answered Apr 23 '12 at 13:34
NitinNitin
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Remove blank lines with grep
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308
Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching.
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
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edited Mar 18 '10 at 19:16
answered Mar 18 '10 at 18:15
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Getting random numbers in Java [duplicate]
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768
The first solution is to use the java.util.Random class:
import java.util.Random;
Random rand ...