大约有 39,590 项符合查询结果（耗时：0.0473秒） [XML]
How to get 30 days prior to current date?
... |
edited Jan 18 '15 at 16:56
Dylan Valade
5,37955 gold badges3636 silver badges5656 bronze badges
ans...
How to select rows with no matching entry in another table?
...
|
edited Mar 16 '16 at 12:59
Toby Speight
22.1k1313 gold badges5454 silver badges7979 bronze badges
...
How do you calculate log base 2 in Java for integers?
...int log = 0;
if( ( bits & 0xffff0000 ) != 0 ) { bits >>>= 16; log = 16; }
if( bits >= 256 ) { bits >>>= 8; log += 8; }
if( bits >= 16 ) { bits >>>= 4; log += 4; }
if( bits >= 4 ) { bits >>>= 2; log += 2; }
return log + ( bits &g...
str performance in python
...()
0.25641703605651855
>>> Timer('"%s" % x', 'x=100').timeit()
0.2169809341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambd...
Linux: is there a read or recv from socket with timeout?
...tely, so much simpler.
– MiloDC
Nov 16 '17 at 21:06
Now that is why timeout on windows is not working because I am usi...
What does “fragment” mean in ANTLR?
...
answered Jan 31 '16 at 14:14
Nastaran HakimiNastaran Hakimi
5911010 silver badges2727 bronze badges
...
console.writeline and System.out.println
...ble jar from a GUI.
– aioobe
May 9 '16 at 11:12
add a comment
|
...
Parse query string in JavaScript [duplicate]
...
|
edited Jun 16 '17 at 19:02
DanBrianWhite
4744 bronze badges
answered Jan 19 '10 at 5:34
...
Why does IE9 switch to compatibility mode on my website?
...
answered Sep 16 '10 at 12:25
bobincebobince
484k9999 gold badges611611 silver badges797797 bronze badges
...
C# Java HashMap equivalent
...
answered Aug 13 '09 at 16:37
PowerlordPowerlord
80.3k1616 gold badges119119 silver badges164164 bronze badges
...