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pandas GroupBy columns with NaN (missing) values
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138
This is mentioned in the Missing Data section of the docs:
NA groups in GroupBy are automatic...
How can I convert this foreach code to Parallel.ForEach?
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128
string[] lines = File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new...
How to use glOrtho() in OpenGL?
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151
Have a look at this picture: Graphical Projections
The glOrtho command produces an "Oblique"...
import module from string variable
...=[''])
then i will refer to matplotlib.text.
In Python 2.7 and Python 3.1 or later, you can use importlib:
import importlib
i = importlib.import_module("matplotlib.text")
Some notes
If you're trying to import something from a sub-folder e.g. ./feature/email.py, the code will look like impor...
How to declare constant map
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157
Your syntax is incorrect. To make a literal map (as a pseudo-constant), you can do:
var roma...
Is it possible to install another version of Python to Virtualenv?
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12 Answers
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How do I remove leading whitespace in Python?
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edited Sep 27 '17 at 22:40
Stevoisiak
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Insert an element at a specific index in a list and return the updated list
...ou can do b = a[:index] + [obj] + a[index:].
However, another way is:
a = [1, 2, 4]
b = a[:]
b.insert(2, 3)
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How to use a custom comparison function in Python 3?
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edited Feb 6 '19 at 6:19
caot
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answered Mar 28 '10 ...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...his is why you got the error message you saw:
TypeError: super() argument 1 must be type, not classobj
Try this to see for yourself:
class OldStyle:
pass
class NewStyle(object):
pass
print type(OldStyle) # prints: <type 'classobj'>
print type(NewStyle) # prints <type 'type'&g...