大约有 5,440 项符合查询结果（耗时：0.0195秒） [XML]
Is multiplication and division using shift operators in C actually faster?
...
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
...
How can I add reflection to a C++ application?
...
I'm sure the syntax could be improved, and it only works on Win32 and Win64 so far. We've found it really useful for having automatic GUI interfaces to classes, creating properties in C++, streaming to and from XML and so on, and there's no need to derive from a specific base class. If there's eno...
Read/write to Windows registry using Java
...o with this (stackoverflow.com/questions/252297/…). Basically reg.exe is 64-bit whereas JVM may be 32-bit so they could be looking in different places for the key. Workaround is to call twice with both paths
– locka
Jan 20 '14 at 16:45
...
How do function pointers in C work?
...ports pshufb, it's slow, so the earlier implementation is still faster. x264/x265 use this extensively, and are open source.
– Peter Cordes
Aug 30 '15 at 2:22
...
Which iomanip manipulators are 'sticky'?
...
TemplateRex
64.1k1616 gold badges138138 silver badges269269 bronze badges
answered Oct 7 '09 at 17:56
Martin York...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
... // 2k: 4000
// 4k: 3900 21000
// 16k: 5200
// 32k: 4300
// 64k: 4000 21000
enum { COUNT = (4*1024)/SIZE }; // Some compilers do not accept to use COUNT in private part if COUNT is private
private:
union Chunk {
Chunk* next;
char mem[SIZE];
};
...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...16 |
| 251 | 400 | 273 | 3488 | 1.087649402 |
| 252 | 400 | 274 | 3496 | 1.087301587 |
| 253 | 400 | 282 | 3520 | 1.114624506 |
| 254 | 408 | 279 | 3544 | 1.098425197 ...
Best Practices: Salting & peppering passwords?
...on supports embedded zero bytes or else encode the hash value (e.g. in base64) to ensure there are no zero bytes. If you're using a language whose strings support embedded zero bytes then you are probably safe, unless that language is PHP, but I would check anyway.
...
Is std::vector so much slower than plain arrays?
...;g = 0;
j->b = 0;
}
Result:
# ./vector
UseArray completed in 3.264 seconds
UseVector completed in 5.443 seconds
Nope, no different. At least it's not slower. I thought this would have performance similar to #2 where I used a Pixel& reference.
Conclusion
Even if some smart cookie f...
ServiceStack vs ASP.Net Web API [closed]
...ervice Stack v3 is no longer supported on iOS (using Xamarin) with the new 64 bit architecture requirement. Of course, the updates are in v4 which is the paid version.
– SgtRock
Feb 17 '15 at 16:03
...