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Difference between two dates in MySQL
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SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the difference in seconds
So, you can u...
warning about too many open figures
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Is gcc 4.8 or earlier buggy about regular expressions?
...h C preprocessor defines:
#include <regex>
#if __cplusplus >= 201103L && \
(!defined(__GLIBCXX__) || (__cplusplus >= 201402L) || \
(defined(_GLIBCXX_REGEX_DFS_QUANTIFIERS_LIMIT) || \
defined(_GLIBCXX_REGEX_STATE_LIMIT) |...
Rename all files in directory from $filename_h to $filename_half?
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edited Apr 10 '14 at 9:25
answered Sep 16 '11 at 22:19
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How to duplicate sys.stdout to a log file?
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+100
Since you're comfortable spawning external processes from your code, you could use tee itself. I don't know of any Unix system call...
How do I return rows with a specific value first?
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106
If your SQL dialect is intelligent enough to treat boolean expressions as having a numeric val...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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Concurrent HashSet in .NET Framework?
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answered Feb 10 '17 at 17:43
i3arnoni3arnon
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How do I get a PHP class constructor to call its parent's parent's constructor?
...tested it.
– mimarcel
Jul 15 '13 at 10:06
1
This is an interesting solution, however, if you real...