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python

Does all(list) use short circuit evaluation?

August 13, 2022 by Magenaut

I wish to use the Python all() function to help me compute something, but this something could take substantially longer if the all() does not evaluate as soon as it hits a False. I’m thinking it probably is short-circuit evaluated, but I just wanted to make sure. Also, is there a way to tell in … Read more

Categories Python, Q&A Tags evaluation, python, short-circuiting Leave a comment

OSError: [Errno 8] Exec format error with GeckoDriver and Selenium on MacOS

August 13, 2022 by Magenaut

I am using firefox gecko driver to make a bot, I keep getting error messages with my bot and I have found that the source of the message is the:

Categories Python, Q&A Tags firefox, geckodriver, python, selenium, selenium-webdriver Leave a comment

Django server killed frequently

August 13, 2022 by Magenaut

I’m developing a Django project and testing it on a dedicated server.
The project is running on:

Categories Python, Q&A Tags django, linux, python, virtualenv Leave a comment

How to set-up a Django project with django-storages and Amazon S3, but with different folders for static files and media files?

August 13, 2022 by Magenaut

I’m configuring a Django project that were using the server filesystem for storing the apps static files (STATIC_ROOT) and user uploaded files (MEDIA_ROOT).

Categories Python, Q&A Tags amazon-s3, django, django-settings, django-storage, python Leave a comment

Best online resource to learn Python?

August 13, 2022 by Magenaut

Python 2.5 Quick Reference

Categories Python, Q&A Tags python Leave a comment

How do I prevent the player from moving through the walls in a maze?

August 13, 2022 by Magenaut

I have a maze organized in a grid. Each cell of the grid stores the information about the walls to its right and bottom neighboring cell. The player is an object of a certain size whose bounding box is known. I want to move the player smoothly through the maze with the walls preventing them from going through.

Categories Python, Q&A Tags collision-detection, maze, pygame, python Leave a comment

Moving forward after angle change. Pygame

August 13, 2022 by Magenaut

I’ve been working on this project about tanks (based on game Tank Trouble) and I’m wondering how I can move forward after I change angle of the sprite. Also if you know how I can make my bullets ricochet from the walls. I will really appreciate any help given. Thank you!

Categories Python, Q&A Tags pygame, python, rotation Leave a comment

Drop columns whose name contains a specific string from pandas DataFrame

August 13, 2022 by Magenaut

I have a pandas dataframe with the following column names:

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

Automatic contrast and brightness adjustment of a color photo of a sheet of paper with OpenCV

August 13, 2022 by Magenaut

When photographing a sheet of paper (e.g. with phone camera), I get the following result (left image) (jpg download here). The desired result (processed manually with an image editing software) is on the right:

Categories Python, Q&A Tags computer-vision, image, image-processing, opencv, python Leave a comment

‘virtualenv’ won’t activate on Windows

August 13, 2022 by Magenaut

Essentially I cannot seem to activate my virtualenv environment which I create.

Categories Python, Q&A Tags python, virtualenv 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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