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What is the difference between RegExp’s exec() function and String’s match() function?
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Ry-♦Ry-
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What should main() return in C and C++?
...kmad3workmad3
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Please explain some of Paul Graham's points on Lisp
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fs: how do I locate a parent folder?
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edited Jul 26 '16 at 20:45
Clint
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answered Aug 16 '11 at 18:2...
Most Useful Attributes [closed]
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edited Jan 14 '19 at 18:26
community wiki
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Starting iPhone app development in Linux? [closed]
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answered May 29 '09 at 0:46
ChaosChaos
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Determine installed PowerShell version
...ble.PSVersion
Major Minor Build Revision
----- ----- ----- --------
4 0 -1 -1
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An efficient way to transpose a file in Bash
...];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time perl ...
error: command 'gcc' failed with exit status 1 while installing eventlet
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Your install is failing because you don't have the python development headers installed. You can...
How do I get the value of text input field using JavaScript?
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14 Answers
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