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Comparing two collections for equality irrespective of the order of items in them
...sing System.Linq; first to make it work
– Junior Mayhé
May 21 '10 at 16:44
if this code is within a loop and collecti...
Array include any value from another array?
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(cheeses & foods).empty?
As Marc-André Lafortune said in comments, & works in linear time while any? + include? will be quadratic. For larger sets of data, linear time will be faster. For small data sets, any? + include? may be faster as shown by Lee Jarvis...
Automatic post-registration user authentication
... answered Apr 23 '12 at 21:53
Cédric NiroussetCédric Nirousset
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
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Yes, the source folder is not in Python's path if you cd to the tests directory.
You have 2 choices:
Add the path manually to the test files, something like this:
import sys, os
myPath = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, myPa...
Deleting folders in python recursively
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Python3 version docs: docs.python.org/3/library/shutil.html#shutil.rmtree
– Vladimir Oprya
Oct 17 '19 at 17:50
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Open file in a relative location in Python
Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
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How do I exchange keys with values in a dictionary?
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Python 2:
res = dict((v,k) for k,v in a.iteritems())
Python 3 (thanks to @erik):
res = dict((v,k) for k,v in a.items())
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How to access environment variable values?
I set an environment variable that I want to access in my Python application. How do I get its value?
12 Answers
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Why does multiprocessing use only a single core after I import numpy?
...e, but I thought I would ask here in case anyone has some insight from the Python end of things.
3 Answers
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Converting unix timestamp string to readable date
I have a string representing a unix timestamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
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