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How to check if std::map contains a key without doing insert?
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answered Oct 7 '10 at 23:15
PotatoswatterPotatoswatter
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Remove non-numeric characters (except periods and commas) from a string
... characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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imp...
Extract a dplyr tbl column as a vector
...etdiff, setequal, union
db <- src_sqlite(tempfile(), create = TRUE)
iris2 <- copy_to(db, iris)
vec <- pull(iris2, Species)
head(vec)
#> [1] "setosa" "setosa" "setosa" "setosa" "setosa" "setosa"
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IntelliJ 13 - Add Navigate Back/Forward to toolbar?
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answered Dec 6 '13 at 20:00
Software EngineerSoftware Engineer
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Java Byte Array to String to Byte Array
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273
You can't just take the returned string and construct a string from it... it's not a byte[] da...
Fastest hash for non-cryptographic uses?
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CRC32 is pretty fast and there's a function for it: http://www.php.net/manual/en/function.crc32.php
But you should be aware that CRC32 will have more collisions than MD5 or even SHA-1 hashes, simply because of the reduced length...
Where to put view-specific javascript files in an ASP.NET MVC application?
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126
Old question, but I wanted to put my answer incase anyone else comes looking for it.
I too wan...
Get data from fs.readFile
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edited Feb 26 at 14:37
widged
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answered Apr 7 '1...
How to get just the parent directory name of a specific file
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edited Feb 2 '13 at 21:49
answered Nov 19 '11 at 20:39
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jQuery .on('change', function() {} not triggering for dynamically created inputs
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276
You should provide a selector to the on function:
$(document).on('change', 'input', function(...