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\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
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How to use multiple arguments for awk with a shebang (i.e. #!)?
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Aaron McDaidAaron McDaid
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How can my iphone app detect its own version number?
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223
As I describe here, I use a script to rewrite a header file with my current Subversion revision ...
Hash collision in git
... no entry for a 40 character hash. But an interpolation of the entries for 32 and 48 characters lands us in the range of 5*1022 git commits for a 0.1% probability of a collision. That is fifty thousand billion billion different commits, or fifty Zettacommits, before you have reached even a 0.1% cha...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
.... It now runs on x86_64 and solaris64.
* - I also tested this on vxworks/32and solaris/32 and i386/32 processors.
* - Remove assembly code. I could not measure any performance difference
* on my core2 processor. This also makes the code more portable.
* - Moved defines/typedefs from tlsf....
Pointer vs. Reference
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edited Jul 31 '14 at 0:11
aaronsnoswell
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When do you use varargs in Java?
...parameter.
– H2ONaCl
Dec 24 '15 at 23:01
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When is finally run if you throw an exception from the catch block?
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edited Jun 7 '16 at 13:34
answered Oct 12 '09 at 16:31
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C++ sorting and keeping track of indexes
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305
Using C++ 11 lambdas:
#include <iostream>
#include <vector>
#include <numeric&...