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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...
How to sort a list of objects based on an attribute of the objects?
I've got a list of Python objects that I'd like to sort by an attribute of the objects themselves. The list looks like:
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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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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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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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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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Exclude all transitive dependencies of a single dependency
... the dependency as "provided" at top level.
For example, to avoid shipping xml-apis "whatever version" :
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>[1.0,]</version>
<scope>pr...
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...
Android ViewPager - Show preview of page on left and right
...), so you should do something like:
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent" <-- this!
app:cardCorn...
