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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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11 Answers
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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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AssemblyVersion
Where other assemblies that reference your assembly will look. If this number ...
Pandas percentage of total with groupby
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?
... A POM has to comply with a model. Let's say Maven 4 comes up with model 4.1. If you write your pom to comply with 4.1, it wouldn't be compatible with Maven 3 and model 4.0.0.
It's defined as a mandatory, possibly to enforce a specific XML model in case new models are defined.
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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...
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 are feature_importances in RandomForestClassifier determined?
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There are indeed several ways to get feature "importances". As often, there is no strict conse...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
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-webkit-transform: translate3d(0,0,0); makes some devices run their hardware acceleration.
A ...
How to darken a background using CSS?
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198
Just add this code to your image css
body{
background:
/* top, transparent bl...