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how to set “camera position” for 3d plots using python/matplotlib?
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164
By "camera position," it sounds like you want to adjust the elevation and the azimuth angle th...
Identifying the dependency relationship for python packages installed with pip
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187
You could try pipdeptree which displays dependencies as a tree structure e.g.:
$ pipdeptree
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How can I obtain the element-wise logical NOT of a pandas Series?
...: s = pd.Series([True, True, False, True])
In [8]: ~s
Out[8]:
0 False
1 False
2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
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Select random row from a sqlite table
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216
Have a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM...
Numpy array dimensions
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513
It is .shape:
ndarray.shape
Tuple of array dimensions.
Thus:
>>> a.shape
(2, ...
Last non-empty cell in a column
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edited Sep 27 '19 at 20:40
Marc.2377
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Set Colorbar Range in matplotlib
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182
Using vmin and vmax forces the range for the colors. Here's an example:
import matplotlib ...
Compare two List objects for equality, ignoring order [duplicate]
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313
If you want them to be really equal (i.e. the same items and the same number of each item), I t...
Creating a new column based on if-elif-else condition
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140
To formalize some of the approaches laid out above:
Create a function that operates on the ro...