大约有 44,700 项符合查询结果（耗时：0.0490秒） [XML]
How to set up Android emulator proxy settings
...
20 Answers
20
Active
...
How many random elements before MD5 produces collisions?
...
Probability of just two hashes accidentally colliding is 1/2128 which is 1 in 340 undecillion 282 decillion 366 nonillion 920 octillion 938 septillion 463 sextillion 463 quintillion 374 quadrillion 607 trillion 431 billion 768 million 211 thousand 456.
However if you keep all the ha...
how to detect search engine bots with php?
...
|
edited Mar 24 '09 at 13:57
answered Mar 24 '09 at 13:37
...
How do I write a correct micro-benchmark in Java?
...reputable paper on JVMs and micro-benchmarking. A good one is Brian Goetz, 2005. Do not expect too much from micro-benchmarks; they measure only a limited range of JVM performance characteristics.
Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigg...
Difference between res.send and res.json in Express.js
...
216
The methods are identical when an object or array is passed, but res.json() will also convert ...
Why fragments, and when to use fragments instead of activities?
...
290
#1 & #2 what are the purposes of using a fragment & what are the
advantages and d...
What is the optimal length for an email address in a database?
...
The maximum length of an email address is 254 characters.
Every email address is composed of two parts. The local part that comes before the '@' sign, and the domain part that follows it. In "user@example.com", the local part is "user", and the domain part is "examp...
Set UILabel line spacing
...
122
Edit: Evidently NSAttributedString will do it, on iOS 6 and later. Instead of using an NSString...
Write to file, but overwrite it if it exists
...
|
edited Jul 2 at 17:34
Community♦
111 silver badge
answered Jan 13 '11 at 3:18
...
Rotating a point about another point (2D)
...
twe4ked
2,6091717 silver badges2323 bronze badges
answered Feb 13 '10 at 23:18
Nils PipenbrinckNils Pipenbrin...