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How to normalize an array in NumPy?
...mpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
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Custom ImageView with drop shadow
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answered Dec 10 '10 at 2:43
Kevin CoppockKevin Coppock
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Quickest way to convert a base 10 number to any base in .NET?
...s binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm no...
Replacing NAs with latest non-NA value
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divibisan
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answered Oct 12 '11 at 5:32
Dirk EddelbuettelDir...
How to change plot background color?
...an use set_facecolor:
ax.set_facecolor('xkcd:salmon')
ax.set_facecolor((1.0, 0.47, 0.42))
As a refresher for what colors can be:
matplotlib.colors
Matplotlib recognizes the following formats to specify a color:
an RGB or RGBA tuple of float values in [0, 1] (e.g., (0.1, 0.2, 0....
In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
The following shows that "0" is false in Javascript:
12 Answers
12
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if, elif, else statement issues in Bash
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460
There is a space missing between elif and [:
elif[ "$seconds" -gt 0 ]
should be
elif [ "$sec...
C/C++ check if one bit is set in, i.e. int variable
Is there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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drag drop files into standard html file input
...ing works in Chrome and FF, but i've yet to find a solution that covers IE10+ as well:
// dragover and dragenter events need to have 'preventDefault' called
// in order for the 'drop' event to register.
// See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptarge...
Make Div overlay ENTIRE page (not just viewport)?
...nd why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what I have so far:
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