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Does Python support short-circuiting?
Does Python support short-circuiting in boolean expressions?
3 Answers
3
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What is the difference between mutex and critical section?
Please explain from Linux, Windows perspectives?
10 Answers
10
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Relative imports in Python 3
...
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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ImportError: No module named PIL
...ve in fact installed PIL.
Having a different name for the library and the Python module is unusual, but this is what was chosen for (some versions of) PIL.
You can get more information about how to use this module from the official tutorial.
PS: In fact, on some installs, import PIL does work, wh...
How to call a Parent Class's method from Child Class in Python?
When creating a simple object hierarchy in Python, I'd like to be able to invoke methods of the parent class from a derived class. In Perl and Java, there is a keyword for this ( super ). In Perl, I might do this:
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How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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What does a b prefix before a python string mean?
In a python source code I stumbled upon I've seen a small b before a string like in:
2 Answers
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Environment variable to control java.io.tmpdir?
...w on Windows, Java reflects the value of the TMP environment variable.
On Linux and Solaris, the same get_temp_directory() functions return a static value of /tmp/.
I don't know if the actual JDK6 follows these exact conventions, but by the behavior on each of the listed platforms, it seems like t...
How do I parse XML in Python?
I have many rows in a database that contains XML and I'm trying to write a Python script to count instances of a particular node attribute.
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