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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...
Parse query string in JavaScript [duplicate]
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edited Jun 16 '17 at 19:02
DanBrianWhite
4744 bronze badges
answered Jan 19 '10 at 5:34
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Why does IE9 switch to compatibility mode on my website?
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answered Sep 16 '10 at 12:25
bobincebobince
484k9999 gold badges611611 silver badges797797 bronze badges
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How to scroll to top of page with JavaScript/jQuery?
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– Niet the Dark Absol
Mar 13 '13 at 16:51
To make this work on my IE/Chrome/FF cross-browsers, I must combine Niet Dar...
How to check if an object is an array?
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edited Nov 20 '14 at 21:16
answered Jan 6 '14 at 18:11
Fe...
Inserting image into IPython notebook markdown
...tion](files/image.png)?
– kynan
Mar 16 '13 at 0:09
4
@minrk : it doesn't work for me. I put "<...
Why is Class.newInstance() “evil”?
...003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44...
C# DropDownList with a Dictionary as DataSource
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Matt FrearMatt Frear
42.7k1010 gold badges6161 silver badges8181 bronze badges
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What is the _snowman param in Ruby on Rails 3 forms for?
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– Christer Fernstrom
May 28 '14 at 16:30
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