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What does the caret operator (^) in Python do?
I ran across the caret operator in python today and trying it out, I got the following output:
5 Answers
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Should __init__() call the parent class's __init__()?
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In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, c...
How to equalize the scales of x-axis and y-axis in Python matplotlib?
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Sorry, plt.axis('scaled') didn't work for me in Python 3.7 and matplotlib - matplotlib==3.1.0 However, plt.axis('square') worked!
– rishi jain
Oct 11 '19 at 10:15
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'too many values to unpack', iterating over a dict. key=>string, value=>list
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Python 2
You need to use something like iteritems.
for field, possible_values in fields.iteritems():
print field, possible_values
See this answer for more information on iterating through dictionaries, such as using item...
A Regex that will never be matched by anything
...r regarding timing, as I found the exact opposite measured with timeit and python3.
– nivk
Nov 4 '17 at 20:59
It's not...
How to calculate a logistic sigmoid function in Python?
...intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a numerically sound implementation. If you know you need a very robust implementation, I'm sure there are others where people have actually given this problem some thought.
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How to round to 2 decimals with Python?
... Not sure why, but '{:0.2f}'.format(0.5357706) gives me '0.54' (python 3.6)
– Noam Peled
Apr 2 '18 at 2:00
3
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Index all *except* one item in python
...; l[:2] + l[3:]
[1, 2, 4, 5, 6, 7, 8, 9]
>>>
See also
Explain Python's slice notation
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Check if a number is int or float
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For Python 2, there is also the direct double check: isinstance(x, (int, long)).
– Eric O Lebigot
Apr 28 '13 at 13:05
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Get the current git hash in a Python script
I would like to include the current git hash in the output of a Python script (as a the version number of the code that generated that output).
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