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Getting individual colors from a color map in matplotlib
...ap('Spectral')
rgba = cmap(0.5)
print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0)
For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This, by default, is the minimum and maximum colour within the range (so 0.0 and 1...
What's the difference between Jetty and Netty?
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3 Answers
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numpy: most efficient frequency counts for unique values in an array
...ncount(x)
ii = np.nonzero(y)[0]
And then:
zip(ii,y[ii])
# [(1, 5), (2, 3), (5, 1), (25, 1)]
or:
np.vstack((ii,y[ii])).T
# array([[ 1, 5],
[ 2, 3],
[ 5, 1],
[25, 1]])
or however you want to combine the counts and the unique values.
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Find index of last occurrence of a substring in a string
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Use .rfind():
>>> s = 'hello'
>>> s.rfind('l')
3
Also don't use str as variable name or you'll shadow the built-in str().
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Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
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@hasan83, you will get the build warning, and the built product will contain an extra copy of Info.plist taking up a little space.
– JWWalker
Jan 16 '15 at 1:01
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Nullable type issue with ?: Conditional Operator
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326
This question has been asked a bunch of times already. The compiler is telling you that it doe...
Bulk package updates using Conda
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355
You want conda update --all.
conda search --outdated will show outdated packages, and conda u...
iOS Image Orientation has Strange Behavior
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HarshITHarshIT
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Jackson: how to prevent field serialization
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edited May 13 '18 at 10:32
narendra-choudhary
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Merge branch with trunk
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edited May 12 '16 at 16:23
Dave Jarvis
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an...