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Python argparse mutual exclusive group
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106
add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options ...
Pickle or json?
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edited Sep 30 '18 at 16:41
Daniel Heilper
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Pushing app to heroku problem
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answered Jun 1 '10 at 6:40
Adam WigginsAdam Wiggins
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Testing whether a value is odd or even
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Use modulus:
function isEven(n) {
return n % 2 == 0;
}
function isOdd(n) {
return Math.abs(n % 2) == 1;
}
You can check that any value in Javascript can be coerced to a number with:
Number.isFinite(parseFloat(n))
This check should preferably be done outside the isEv...
RuntimeError on windows trying python multiprocessing
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edited Jul 17 '18 at 10:12
answered Aug 13 '13 at 9:10
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How to write to a JSON file in the correct format
...ike Lewis
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3
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Declaration suffix for decimal type
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edited May 21 '14 at 10:52
Bridge
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answered J...
get list of pandas dataframe columns based on data type
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320
If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.Data...
Matplotlib scatterplot; colour as a function of a third variable
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import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the reversed version of a...
How to skip to next iteration in jQuery.each() util?
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790
What they mean by non-false is:
return true;
So this code:
var arr = ["one", "two", "thr...