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Fastest sort of fixed length 6 int array
...y]; d[y] = tmp; }
SWAP(1, 2);
SWAP(0, 2);
SWAP(0, 1);
SWAP(4, 5);
SWAP(3, 5);
SWAP(3, 4);
SWAP(0, 3);
SWAP(1, 4);
SWAP(2, 5);
SWAP(2, 4);
SWAP(1, 3);
SWAP(2, 3);
#undef SWAP
}
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What is a regular expression for a MAC Address?
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The standard (IEEE 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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__lt__ instead of __cmp__
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Alex MartelliAlex Martelli
725k148148 gold badges11261126 silver badges13241324 bronze badges
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Replacement for “rename” in dplyr
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148
dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <- ...
How to iterate a loop with index and element in Swift
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answered Jun 4 '14 at 3:23
CezarCezar
49.8k1616 gold badges8383 silver badges8686 bronze badges
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Get difference between two lists
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answered Aug 11 '10 at 19:40
arsars
99.7k2121 gold badges130130 silver badges129129 bronze badges
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How to keep index when using pandas merge
...1 1 1
b 2 3 2
c 3 4 NaN
Note that for some left merge operations, you may end up with more rows than in a when there are multiple matches between a and b. In this case, you may need to drop duplicates.
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
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answered Jan 23 '09 at 4:56
BlueDolphinBlueDolphin
9,5211717 gold badges5353 silver badges7171 bronze badges
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...unning the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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How to check the version before installing a package using apt-get?
I'm thinking to install hylafax+ version 5.5.4 which was release last month on my Debian PC.
10 Answers
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