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Filtering a list based on a list of booleans
...ss:
>>> from itertools import compress
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>> list(compress(list_a, fil))
[1, 4]
Timing comparisons(py3.x):
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>>...
Passing a list of kwargs?
...f method(**kwargs):
print kwargs
keywords = {'keyword1': 'foo', 'keyword2': 'bar'}
method(keyword1='foo', keyword2='bar')
method(**keywords)
Running this in Python confirms these produce identical results:
{'keyword2': 'bar', 'keyword1': 'foo'}
{'keyword2': 'bar', 'keyword1': 'foo'}
...
python numpy ValueError: operands could not be broadcast together with shapes
...iplication, but * does something else.
We have two arrays:
X, shape (97,2)
y, shape (2,1)
With Numpy arrays, the operation
X * y
is done element-wise, but one or both of the values can be expanded in one or more dimensions to make them compatible. This operation are called broadcasting. Dime...
Linux command or script counting duplicated lines in a text file?
...
219
Send it through sort (to put adjacent items together) then uniq -c to give counts, i.e.:
sort...
Remove trailing newline from the elements of a string list
...
216
>>> my_list = ['this\n', 'is\n', 'a\n', 'list\n', 'of\n', 'words\n']
>>> map...
Matplotlib different size subplots
...ort matplotlib.pyplot as plt
# generate some data
x = np.arange(0, 10, 0.2)
y = np.sin(x)
# plot it
f, (a0, a1) = plt.subplots(1, 2, gridspec_kw={'width_ratios': [3, 1]})
a0.plot(x, y)
a1.plot(y, x)
f.tight_layout()
f.savefig('grid_figure.pdf')
...
What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
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edited Mar 21 '14 at 14:11
answered May 2 '13 at 20:09
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How do I decode HTML entities in Swift?
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23 Answers
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Java: Static Class?
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edited Aug 9 '14 at 23:44
Maarten Bodewes
76.4k1212 gold badges114114 silver badges213213 bronze badges
...
read subprocess stdout line by line
... of this) the proposed change did produce different results for me (Python 2.5 on Windows XP).
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