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Fast way of counting non-zero bits in positive integer
... generate it at runtime:
counts = bytes(bin(x).count("1") for x in range(256)) # py2: use bytearray
Or just define it literally:
counts = (b'\x00\x01\x01\x02\x01\x02\x02\x03\x01\x02\x02\x03\x02\x03\x03\x04'
b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\x04\x04\x05'
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
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235
Assuming you're looking for a quick tactical fix, what you need to do is make sure the cell imag...
How is OAuth 2 different from OAuth 1?
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538
Eran Hammer-Lahav has done an excellent job in explaining the majority of the differences in h...
How can I develop for iPhone using a Windows development machine?
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511
It's certainly possible to develop on a Windows machine, in fact, my first application was exc...
What is the best CSS Framework and are they worth the effort?
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answered Oct 14 '08 at 22:45
bobincebobince
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How to concatenate two MP4 files using FFmpeg?
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edited Jun 11 at 16:35
Erman Kadir Kahraman
7711 silver badge44 bronze badges
answered Jun 24 '12 a...
CSS selector for a checked radio button's label
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DazBaldwin
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answered Sep 16 '09 at 8:54
StephenStephen
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Why do you not use C for your web apps?
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edited Oct 25 '11 at 12:45
community wiki
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What's the best way to send a signal to all members of a process group?
... negation of the group number. For example to kill every process in group 5112, use kill -TERM -- -5112.
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Converting between strings and ArrayBuffers
...pecific method,
that is a specific character encoding, like utf-8, iso-8859-2, koi8,
cp1261, gbk, ... An encoder takes a stream of code points as input and
emits a stream of bytes.
Change note since the above was written: (ibid.)
Note: Firefox, Chrome and Opera used to have support for e...