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What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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List of standard lengths for database fields
...s" and found this doc justice.gov.uk/guidance/docs/electoral-reg-standards.pdf
– Tony R
Oct 22 '10 at 20:03
21
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How to define a two-dimensional array?
...ou have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
Matrix[0][0] =...
How do I get the path of the Python script I am running in? [duplicate]
How do I get the path of a the Python script I am running in? I was doing dirname(sys.argv[0]) , however on Mac I only get the filename - not the full path as I do on Windows.
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How to change a django QueryDict to Python Dict?
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In Django 1.8 on Python 3 all I needed was dict(queryDict).
– fmalina
May 15 '15 at 19:16
1
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Show the progress of a Python multiprocessing pool imap_unordered call?
... @HananShteingart: It works fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen ...
What's the best way of implementing a thread-safe Dictionary?
...what's described here: cse.chalmers.se/~tsigas/papers/Lock-Free_Dictionary.pdf or perhaps this implementation: github.com/hackcraft/Ariadne
– Triynko
Nov 4 '13 at 23:15
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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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