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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
Intrigued by this question about infinite loops in perl: while (1) Vs. for (;;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the c...
Which is better, number(x) or parseFloat(x)?
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318
The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whil...
What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
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914
AssemblyVersion
Where other assemblies that reference your assembly will look. If this number ...
How are feature_importances in RandomForestClassifier determined?
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158
There are indeed several ways to get feature "importances". As often, there is no strict conse...
Canvas width and height in HTML5
...sByTagName('canvas')[0];
var ctx = c.getContext('2d');
ctx.lineWidth = 1;
ctx.strokeStyle = '#f00';
ctx.fillStyle = '#eff';
ctx.fillRect( 10.5, 10.5, 20, 20 );
ctx.strokeRect( 10.5, 10.5, 20, 20 );
ctx.fillRect( 40, 10.5, 20, 20 );
ctx.strokeRect( 40, 10.5, 20, 20 );
ctx.fillRect( ...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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11 Answers
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Pandas percentage of total with groupby
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14 Answers
14
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Append value to empty vector in R?
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212
Appending to an object in a for loop causes the entire object to be copied on every iteration, ...
Is 0 a decimal literal or an octal literal?
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Yes, 0 is an Octal literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lex.icon]
integer-literal:
decimal-literal integer-suffixopt
octal-literal integer-suffixopt
hexadecimal-literal integer-suffixopt
decimal-literal:
nonzero-digit
decim...
How do I get an object's unqualified (short) class name?
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184
You can do this with reflection. Specifically, you can use the ReflectionClass::getShortName m...