大约有 45,000 项符合查询结果（耗时：0.0695秒） [XML]
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]
>>>...
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...
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...
Java: Static Class?
... |
edited Aug 9 '14 at 23:44
Maarten Bodewes
76.4k1212 gold badges114114 silver badges213213 bronze badges
...
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
...
|
edited Mar 21 '14 at 14:11
answered May 2 '13 at 20:09
...
How do I decode HTML entities in Swift?
...
23 Answers
23
Active
...
read subprocess stdout line by line
... of this) the proposed change did produce different results for me (Python 2.5 on Windows XP).
share
|
improve this answer
|
follow
|
...
How can I change the color of a Google Maps marker?
...
Since maps v2 is deprecated, you are probably interested in v3 maps: https://developers.google.com/maps/documentation/javascript/markers#simple_icons
For v2 maps:
http://code.google.com/apis/maps/documentation/overlays.html#Icons_overv...
Standardize data columns in R
...
542
I have to assume you meant to say that you wanted a mean of 0 and a standard deviation of 1. If...