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Adding new column to existing DataFrame in Python pandas
... a b c d
6 -0.269221 -0.026476 0.997517 1.294385
8 0.917438 0.847941 0.034235 -0.448948
>>> df1['e'] = pd.Series(np.random.randn(sLength), index=df1.index)
>>> df1
a b c d e
6 -0.269221 -0.026476 0.997517 ...
What is the difference between JOIN and UNION?
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UNION puts lines from queries after each other, while JOIN makes a cartesian product and subse...
Collect successive pairs from a stream
Given a stream such as { 0, 1, 2, 3, 4 } ,
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PHP - Extracting a property from an array of objects
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edited Jul 20 '16 at 9:39
MikeSchinkel
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answer...
Generate random integers between 0 and 9
...andom import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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Including JavaScript class definition from another file in Node.js
...kinPaul Rumkin
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How to equalize the scales of x-axis and y-axis in Python matplotlib?
...o this:
from matplotlib import pyplot as plt
plt.plot(range(5))
plt.xlim(-3, 3)
plt.ylim(-3, 3)
plt.gca().set_aspect('equal', adjustable='box')
plt.draw()
doc for set_aspect
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How do I include negative decimal numbers in this regular expression?
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Wiktor Stribiżew
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answered Apr 4 '13 at 14:52
Mike Perrenou...
Using jQuery to compare two arrays of Javascript objects
...s are in different order.
NOTE: This works only for jquery versions < 3.0.0 when using JSON objects
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Notification passes old Intent Extras
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IncrediAppIncrediApp
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