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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...
Why can't I stop vim from wrapping my code?
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answered Aug 17 '09 at 20:44
Stefano BoriniStefano Borini
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Longest line in a file
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275
Using wc (GNU coreutils) 7.4:
wc -L filename
gives:
101 filename
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How do I turn a python datetime into a string, with readable format date?
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244
The datetime class has a method strftime. The Python docs documents the different formats it a...
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', ...
Why does Python use 'magic methods'?
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answered Apr 17 '10 at 7:32
Eli BenderskyEli Bendersky
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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...
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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a...
Difference between binary semaphore and mutex
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