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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...
Declare and Initialize String Array in VBA
...t data type in VBA
– stifin
Apr 18 '16 at 17:59
4
@stifin and 3) VBA doesn't have String array in...
Add default value of datetime field in SQL Server to a timestamp
...traint.
– Martin Smith
Feb 3 '11 at 16:02
1
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Android: Rotate image in imageview by an angle
...while rotating?
– Ivan Morgillo
Oct 16 '14 at 12:25
13
@IvanMorgillo You can have a look at ViewP...
Parse query string in JavaScript [duplicate]
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edited Jun 16 '17 at 19:02
DanBrianWhite
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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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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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Is a RelativeLayout more expensive than a LinearLayout?
... linearlayouts?
– Langkiller
Apr 7 '16 at 11:05
5
A ConstraintLayout :)
– m...