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python-3.x

Understanding time.perf_counter() and time.process_time()

August 16, 2022 by Magenaut

I have some questions about the new functions time.perf_counter() and time.process_time().

Categories Python, Q&A Tags python, python-3.x Leave a comment

How can I get 2.x-like sorting behaviour in Python 3.x?

August 16, 2022 by Magenaut

I’m trying to replicate (and if possible improve on) Python 2.x’s sorting behaviour in 3.x, so that mutually orderable types like int, float etc. are sorted as expected, and mutually unorderable types are grouped within the output.

Categories Python, Q&A Tags python, python-2.x, python-3.x, sorting Leave a comment

What is sys.maxint in Python 3?

August 16, 2022 by Magenaut

I’ve been trying to find out how to represent a maximum integer, and I’ve read to use "sys.maxint". However, in Python 3 when I call it I get:

Categories Python, Q&A Tags python, python-3.x Leave a comment

How to get tkinter canvas to dynamically resize to window width?

August 16, 2022 by Magenaut

I need to get a canvas in tkinter to set its width to the width of the window, and then dynamically re-size the canvas when the user makes the window smaller/bigger.

Categories Python, Q&A Tags autoresize, canvas, python, python-3.x, tkinter Leave a comment

Python Binomial Coefficient

August 16, 2022 by Magenaut

scipy.special.comb()

Categories Python, Q&A Tags python, python-3.x Leave a comment

Python: Sorting items from top left to bottom right with OpenCV

August 16, 2022 by Magenaut

a = sorted(keypoints, key=lambda p: (p[0]) + (p1))[0] # find upper left point
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()

Categories Python, Q&A Tags image-processing, opencv, python, python-3.x Leave a comment

Schedule a repeating event in Python 3

August 16, 2022 by Magenaut

I’m trying to schedule a repeating event to run every minute in Python 3.

Categories Python, Q&A Tags python, python-3.x, scheduled-tasks, timing Leave a comment

PermissionError: [WinError 32] The process cannot access the file because it is being used by another process

August 16, 2022 by Magenaut

My code is for a script that looks at a folder and deletes images that are under a resolution of 1920×1080. The problem I am having is that when my code runs;

Categories Python, Q&A Tags file-handling, python, python-3.x Leave a comment

How can I convert 24 hour time to 12 hour time?

August 16, 2022 by Magenaut

I have the following 24-hour times:

Categories Python, Q&A Tags datetime, python, python-2.7, python-3.x, string-formatting Leave a comment

How unique is Python’s id()?

August 16, 2022 by Magenaut

tl;dr
Does Python reuse ids? How likely it is that two objects with non overlapping lifetime will get the same id?

Categories Python, Q&A Tags memory, python, python-3.x, unit-testing Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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