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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
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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
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Which iomanip manipulators are 'sticky'?
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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.
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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...
Is file append atomic in UNIX?
... if page aligned, otherwise 512 bytes if FILE_FLAG_WRITE_THROUGH off, else 64 bytes. Note that this atomicity is probably a feature of PCIe DMA rather than designed in. Since 10.0.14393, at least 1Mb, probably infinite (*).
Linux 4.2.6 with ext4: update atomicity = at least 1Mb, probably infinite (...
数据存储组件 · App Inventor 2 中文网
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https://tinywebdb.cn/ 经测试，单个键值的容量大小约为 64KB 字节，超过则会保存失败。
https://tinywebdb.appinventor.space/ 经测试，单个键值的容量大小约为 9000 字节（9KB），超过则会保存失败。
更多请参考《App Inventor 2 网络微数...
What is the significance of ProjectTypeGuids tag in the visual studio project file
...-9ABA-BC803B73C61A}
WCF {3D9AD99F-2412-4246-B90B-4EAA41C64699}
WPF {60DC8134-EBA5-43B8-BCC9-BB4BC16C2548}
XNA (Windows) {6D335F3A-9D43-41b4-9D22-F6F17C4BE596}
XNA (XBox) {2DF5C3F4-5A5F-47a9-8E94-23B4456F55E2}
XNA (Zune) {D399B71A...