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Why are Python lambdas useful? [closed]
I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten?
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not None test in Python [duplicate]
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if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set to None. This idiom has particular uses in the case of declaring keyword functions with default parameters. is tests identity in Python. Because there is one and only one ...
Is it possible to break a long line to multiple lines in Python [duplicate]
Just like C, you can break a long line into multiple short lines. But in Python , if I do this, there will be an indent error... Is it possible?
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PHP passing $_GET in linux command prompt
Say we usually access via
13 Answers
13
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Is there a way to create multiline comments in Python?
I have recently started studying Python , but I couldn't find how to implement multi-line comments. Most languages have block comment symbols like
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How to save an image locally using Python whose URL address I already know?
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Python 2
Here is a more straightforward way if all you want to do is save it as a file:
import urllib
urllib.urlretrieve("http://www.digimouth.com/news/media/2011/09/google-logo.jpg", "local-filename.jpg")
The second argume...
Relative imports in Python 3
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myothermodule.py
...with a mymodule.py like this...
#!/usr/bin/env python3
# Exported function
def as_int(a):
return int(a)
# Test function for module
def _test():
assert as_int('1') == 1
if __name__ == '__main__':
_test()
...a myothermodule.py like this...
#!/usr/bin/env...
Python - Create a list with initial capacity
... if the preallocation method (size*[None]) itself is inefficient? Does the python VM actually allocate the list at once, or grow it gradually, just like the append() would?
– haridsv
Nov 15 '09 at 3:01
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Does Python support short-circuiting?
Does Python support short-circuiting in boolean expressions?
3 Answers
3
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If threads share the same PID, how can they be identified?
I have a query related to the implementation of threads in Linux.
3 Answers
3
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