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tooltips for Button
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edited Jan 5 '17 at 23:10
Urda
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answered Fe...
Matrix Transpose in Python
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Python 2:
>>> theArray = [['a','b','c'],['d','e','f'],['g','h','i']]
>>> zip(*theArray)
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', 'f', 'i')]
Python 3:
>>> [*zip(*theArray)]
[('a', 'd', 'g'), ('b', 'e', ...
Check if a given key already exists in a dictionary
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3629
in is the intended way to test for the existence of a key in a dict.
d = {"key1": 10, "key2": ...
How to order results with findBy() in Doctrine
...BinBundle:Marks')
->findBy(
array('type'=> 'C12'),
array('id' => 'ASC')
);
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How can I use “.” as the delimiter with String.split() in java [duplicate]
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203
String.split takes a regex, and '.' has a special meaning for regexes.
You (probably) want so...
Package objects
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128
Normally you would put your package object in a separate file called package.scala in the packa...
Why does Python use 'magic methods'?
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answered Apr 17 '10 at 7:32
Eli BenderskyEli Bendersky
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Create folder with batch but only if it doesn't already exist
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edited Feb 2 '17 at 21:54
D. A.
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Why does my application spend 24% of its life doing a null check?
...e to the execution engine. Reading bytes from the L1 cache typically takes 2 or 3 CPU cycles. Next up is the L2 cache, bigger and slower. Upscale processors also have an L3 cache, bigger and slower yet. As process technology improves, those buffers take less space and automatically becomes faster as...
Difference between binary semaphore and mutex
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