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What is the difference between JOIN and UNION?
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308
UNION puts lines from queries after each other, while JOIN makes a cartesian product and subse...
How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Get first n characters of a string
...ngths on trimmed and untrimmed strings):
$string = (strlen($string) > 13) ? substr($string,0,10).'...' : $string;
So you will get a string of max 13 characters; either 13 (or less) normal characters or 10 characters followed by '...'
Update 2:
Or as function:
function truncate($string, $len...
setting multiple column using one update
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344
Just add parameters, split by comma:
UPDATE tablename SET column1 = "value1", column2 = "val...
Extract TortoiseSVN saved password
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edited May 23 '17 at 11:46
Community♦
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answered Jan 25 '11 at 14:14
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PhpStorm wrap/surround selection?
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edited Mar 7 '18 at 14:13
Barna Tekse
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answered...
LINQ query to return a Dictionary
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370
Use the ToDictionary method directly.
var result =
// as Jon Skeet pointed out, OrderBy is...
Difference between CPPFLAGS and CXXFLAGS in GNU Make
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edited Apr 12 '12 at 3:39
Ergwun
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answered J...
How to convert nanoseconds to seconds using the TimeUnit enum?
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answered May 29 '09 at 3:00
Adam RosenfieldAdam Rosenfield
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