大约有 23,000 项符合查询结果（耗时：0.0371秒） [XML]
Resetting generator object in Python
...
Hank Gay
64.2k2929 gold badges144144 silver badges216216 bronze badges
answered Aug 13 '09 at 11:18
nosklonosk...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided to...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...
You need to be more precise: you want different base 2 logarithm values but what distribution do you want for this? The standard rand() functions generate a uniform distribution, you will need to transform this output using the quantile function associated with the distrib...
Database design for a survey [closed]
I need to create a survey where answers are stored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and...
Why isn't the size of an array parameter the same as within main?
...func, it will immediately decay into a pointer to its first element. (On a 64-bit system, a 64-bit pointer is twice as large as a 32-bit int, so your sizeof ratio returns 2.)
The only purpose of this rule is to maintain backwards compatibility with historical compilers that did not support passing ...
How stable is the git plugin for eclipse?
...y with it has unpacked properly both with itself and with the canonical C based implementation, but that doesn't mean it won't generate a corrupt object." (from the README)
– jcollum
Jan 18 '13 at 0:38
...
PHP expresses two different strings to be the same [duplicate]
...en.wikipedia.org/wiki/IEEE_floating_point
Name Common name Base Digits E min E max
binary32 Single precision 2 23+1 −126 +127
binary64 Double precision 2 52+1 −1022 +1023
...
Android: How to Programmatically set the size of a Layout
...f LinearLayouts. Using weight I have the set resizing itself automatically based on the size of the containing parent LinearLayout. The idea is, based on the pixel count and density of the screen, to set the size of the containing layout to a number of pixels; and have the button set resize itself b...
How do I enable file editing in Visual Studio's debug mode?
...e ENC by default and it must be explicitly enabled
You may be running on a 64 bit OS and have your .Net app set to "Any CPU". ENC is not available on 64 bit (CLR limitation). You'll have to set the app back to x86 for ENC to work
...
BestPractice - Transform first character of a string into lower case
...rray[0] = char.ToLower(charArray[0]); return new string(charArray); } Based on @MatteoMigliore's comment.
– KregHEk
Dec 21 '15 at 8:36
...