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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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Import a file from a subdirectory?
.../tutorial/modules.html
In short, you need to put a blank file named
__init__.py
in the "lib" directory.
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Viewing all defined variables [duplicate]
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edited Jan 13 '19 at 1:48
answered Mar 11 '09 at 2:36
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Python unit test with base and sub class
I currently have a few unit tests which share a common set of tests. Here's an example:
15 Answers
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Undefined reference to `pow' and `floor'
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You need to compile with the link flag -lm, like this:
gcc fib.c -lm -o fibo
This will tell gcc to link your code against the math lib. Just be sure to put the flag after the objects you want to link.
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How to get the parents of a Python class?
...do type(C()).__bases__ as mentioned further below
– citynorman
Jan 5 at 15:55
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Why does the expression 0 < 0 == 0 return False in Python?
...ooking into Queue.py in Python 2.6, I found this construct that I found a bit strange:
9 Answers
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Add a prefix to all Flask routes
...add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically?
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Find current directory and file's directory [duplicate]
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To get the full path to the directory a Python file is contained in, write this in that file:
import os
dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the val...
How to run functions in parallel?
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You could use threading or multiprocessing.
Due to peculiarities of CPython, threading is unlikely to achieve true parallelism. For this reason, multiprocessing is generally a better bet.
Here is a complete example:
from multiprocessing import Process
def func1():
print 'func1: ...