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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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Making Python loggers output all messages to stdout in addition to log file
Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition al...
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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How to change a module variable from another module?
...Especially in languages that behave somewhat inconsistently about it, like python arguably does.
– matanster
Jun 27 at 9:41
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