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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...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
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In version 1.9.0.1:
1: Major revision (new UI, lots of new features, conceptual change, etc.)
9: Minor revision (maybe a change to a search box, 1 feature added, collection of bug fixes)
0: Bug fix release
1: Build number (if used)—...
Finding duplicates in O(n) time and O(1) space
Input: Given an array of n elements which contains elements from 0 to n-1, with any of these numbers appearing any number of times.
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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( ...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
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156
This approach will use the actual boolean type (and resolve to true and false) if the compiler...
How to configure PostgreSQL to accept all incoming connections
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218
Just use 0.0.0.0/0.
host all all 0.0.0.0/0 md5
Make su...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...t_index().drop_duplicates(subset='index', keep='first').set_index('index')
1000 loops, best of 3: 1.54 ms per loop
>>> %timeit df3.groupby(df3.index).first()
1000 loops, best of 3: 580 µs per loop
>>> %timeit df3[~df3.index.duplicated(keep='first')]
1000 loops, best of 3: 307 µ...
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 ...
Why does (1 in [1,0] == True) evaluate to False?
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