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Finding median of list in Python
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Python 3.4 has statistics.median:
Return the median (middle value) of numeric data.
When the number of data points is odd, return the middle data point.
When the number of data points is even, the median is interpolated b...
Numpy: Divide each row by a vector element
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answered Oct 26 '13 at 2:38
JoshAdelJoshAdel
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How do I declare and initialize an array in Java?
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2737
You can either use array declaration or array literal (but only when you declare and affect the...
How do you extract a column from a multi-dimensional array?
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234
>>> import numpy as np
>>> A = np.array([[1,2,3,4],[5,6,7,8]])
>>> ...
How to update Python?
...will stop receiving official updates from python.org in 2020. Also, Python-3.7 has been released. Check out Python-Future on how to make your Python-2 code compatible with Python-3. For updating conda, the documentation now recommends using conda update --all in each of your conda environments to up...
Use a list of values to select rows from a pandas dataframe [duplicate]
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1273
You can use isin method:
In [1]: df = pd.DataFrame({'A': [5,6,3,4], 'B': [1,2,3,5]})
In [2]: d...
How to remove specific elements in a numpy array
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306
Use numpy.delete() - returns a new array with sub-arrays along an axis deleted
numpy.delete(a...
How do you validate a URL with a regular expression in Python?
...n and have been beating my head against the following problem for the past 3 days.
12 Answers
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How to install therubyracer gem on 10.10 Yosemite?
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bundle install
bundle exec rake clean build binary
gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified
then just bundle your project gems
this is the only way it worked for me...