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How to get first element in a list of tuples?
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Iterating over a numpy array
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188
I think you're looking for the ndenumerate.
>>> a =numpy.array([[1,2],[3,4],[5,6]])
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
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14 Answers
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How to round a number to n decimal places in Java
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Is there a splice method for strings?
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Fast stable sorting algorithm implementation in javascript
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16 Answers
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What does value & 0xff do in Java?
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It sets result to the (unsigned) value resulting from putting the 8 bits of value in the lowes...
What does ~~ (“double tilde”) do in Javascript?
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It removes everything after the decimal point because the bitwise operators implicitly convert t...
Append a NumPy array to a NumPy array
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In [1]: import numpy as np
In [2]: a = np.array([[1, 2, 3], [4, 5, 6]])
In [3]: b = np.array([[9, 8, 7], [6, 5, 4]])
In [4]: np.concatenate((a, b))
Out[4]:
array([[1, 2, 3],
[4, 5, 6],
[9, 8, 7],
[6, 5, 4...
Manifest merger failed : uses-sdk:minSdkVersion 14
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Note: This has been updated to reflect the release of API 21, Lollipop. Be sure to download the...