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How to sort a dataFrame in python pandas by two or more columns?
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Generate a heatmap in MatPlotLib using a scatter data set
...matplotlib.pyplot as plt
# Generate some test data
x = np.random.randn(8873)
y = np.random.randn(8873)
heatmap, xedges, yedges = np.histogram2d(x, y, bins=50)
extent = [xedges[0], xedges[-1], yedges[0], yedges[-1]]
plt.clf()
plt.imshow(heatmap.T, extent=extent, origin='lower')
plt.show()
This m...
IE8 issue with Twitter Bootstrap 3
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answered Jul 30 '13 at 21:13
Bass JobsenBass Jobsen
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How to convert a java.util.List to a Scala list
...cit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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initializing a boolean array in java
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edited Jan 2 '13 at 16:17
answered Mar 2 '10 at 16:42
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Moving average or running mean
...e loop, without dependencies, the code below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave h...
String.format() to format double in java
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answered Feb 3 '11 at 11:04
David TangDavid Tang
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What does the (unary) * operator do in this Ruby code?
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How to remove all leading zeroes in a string
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answered Feb 23 '11 at 23:36
lonesomedaylonesomeday
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