大约有 8,200 项符合查询结果（耗时：0.0149秒） [XML]
Is “inline” without “static” or “extern” ever useful in C99?
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Jonathan Leffler
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answered Jun 10 '11 at 22:48
NemoNem...
What new capabilities do user-defined literals add to C++?
...1010101010101010101_bits;
// This throws at run time.
std::bitset<64> badbits2("2101010101010101010101010101010101010101010101010101010101010101_bits");
}
The advantage is that a run-time exception is converted to a compile-time error.
You couldn't add the static assert to the bitset c...
Ignoring time zones altogether in Rails and PostgreSQL
...* Timestamps, as well as the h/m/s fields of intervals, are stored as
* int64 values with units of microseconds. (Once upon a time they were
* double values with units of seconds.)
And:
/* Julian-date equivalents of Day 0 in Unix and Postgres reckoning */
#define UNIX_EPOCH_JDATE 24405...
How to highlight text using javascript
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Stefan SteigerStefan Steiger
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Is multiplication and division using shift operators in C actually faster?
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Eric LippertEric Lippert
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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
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answered Oct 7 '09 at 17:56
Martin York...
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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