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Python argparse command line flags without arguments
...p a switch by setting a variable True or False, have a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')
where action='store_true' implies def...
What algorithms compute directions from point A to point B on a map?
...roven for correctness:
http://algo2.iti.uka.de/schultes/hwy/schultes_diss.pdf
Here's a google tech talk on the subject:
http://www.youtube.com/watch?v=-0ErpE8tQbw
Here's a implementation of the highway-hierarchies algorithm as discussed by schultes (currently in berlin only, I'm writing the inte...
Converting Python dict to kwargs?
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This is pretty well-covered in the python standard documentation. See also: stackoverflow.com/questions/1137161. (dmid://juice_cobra_hush)
– dreftymac
Feb 29 '16 at 23:17
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Queue.Queue vs. collections.deque
...gle thread? If your code is that sensitive to the speed of Queue vs deque, Python might not be the language you're looking for.
– Keith Gaughan
Dec 9 '15 at 17:24
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Finding the mode of a list
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You can use the max function and a key. Have a look at python max function using 'key' and lambda expression.
max(set(lst), key=lst.count)
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Getting a list of all subdirectories in the current directory
...way to return a list of all the subdirectories in the current directory in Python?
27 Answers
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How does zip(*[iter(s)]*n) work in Python?
... more on zip() and map(): http://muffinresearch.co.uk/archives/2007/10/16/python-transposing-lists-with-map-and-zip/
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Calling class staticmethod within the class body?
...sh, this is what I did to investigate and find that out (a C&P from my Python session):
>>> class Foo(object):
... @staticmethod
... def foo():
... return 3
... global z
... z = foo
>>> z
<staticmethod object at 0x0000000002E40558>
>>> F...
namedtuple and default values for optional keyword arguments
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Python 3.7
Use the defaults parameter.
>>> from collections import namedtuple
>>> fields = ('val', 'left', 'right')
>>> Node = namedtuple('Node', fields, defaults=(None,) * len(fields))
>>&g...
How to identify numpy types in python?
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This solution seems very unpythonic, relying on hidden attributes. But maybe that is just a matter of taste?
– j08lue
Mar 5 '17 at 15:18
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