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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 ...
Mysql - How to quit/exit from stored procedure
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piotrmpiotrm
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urlencode vs rawurlencode?
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You may also want to see the discussion at http://bytes.com/groups/php/5624-urlencode-vs-rawurlencode.
Also, RFC 2396 is worth a look. RFC 2396 defines valid URI syntax. The main part we're interested in is from 3.4 Query Component:
Within a query component, the characters ";", "/", "?", ":",...
What does void mean in C, C++, and C#?
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edited Oct 15 '14 at 15:11
Cory Nelson
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jQuery removeClass wildcard
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The removeClass function takes a function argument since jQuery 1.4.
$("#hello").removeClass (function (index, className) {
return (className.match (/(^|\s)color-\S+/g) || []).join(' ');
});
Live example: http://jsfiddle.net/xa9xS/1409/
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Can I mix Swift with C++? Like the Objective-C .mm files
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edited Oct 25 '15 at 18:41
Slipp D. Thompson
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a...
How do you print out a stack trace to the console/log in Cocoa?
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547
NSLog(@"%@",[NSThread callStackSymbols]);
This code works on any thread.
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Do I cast the result of malloc?
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unwindunwind
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27
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What are the benefits of using C# vs F# or F# vs C#? [closed]
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share
edited Jun 4 '09 at 19:06
answered Jun 4 '09 at 18:58
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Is there a way to hide the scroll indicators in a UIScrollView?
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answered May 4 '09 at 21:20
retainCountretainCount
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