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How can I create a two dimensional array in JavaScript?
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Generate a random point within a circle (uniformly)
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Matplotlib discrete colorbar
...t matplotlib as mpl
import matplotlib.pylab as plt
fig, ax = plt.subplots(1, 1, figsize=(6, 6)) # setup the plot
x = np.random.rand(20) # define the data
y = np.random.rand(20) # define the data
tag = np.random.randint(0, 20, 20)
tag[10:12] = 0 # make sure there are some 0 values to show up as...
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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158
There are indeed several ways to get feature "importances". As often, there is no strict conse...
How to calculate cumulative normal distribution?
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Here's an example:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.97...
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.
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