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Python

How to improve performance of this code?

August 22, 2022 by Magenaut

Thanks to some help from people here, I was able to get my code for Tasmanian camels puzzle working. However, it is horribly slow (I think. I’m not sure because this is my first program in Python). The example run in the bottom of the code takes a long time to be solved in my machine:

Categories Python, Q&A Tags optimization, performance, python, time-complexity Leave a comment

Unable to install pygame on Python via pip (Windows 10)

August 22, 2022 by Magenaut

Currently unable to install Pygame via pip:

Categories Python, Q&A Tags pip, pygame, python, python-3.8 Leave a comment

How does Python’s super() work with multiple inheritance?

August 22, 2022 by Magenaut

How does super() work with multiple inheritance? For example, given:

Categories Python, Q&A Tags multiple-inheritance, python Leave a comment

Are a WSGI server and HTTP server required to serve a Flask app?

August 22, 2022 by Magenaut

Setting up Flask with uWSGI and Nginx can be difficult. I tried following this DigitalOcean tutorial and still had trouble. Even with buildout scripts it takes time, and I need to write instructions to follow next time.

Categories Python, Q&A Tags flask, nginx, python, uwsgi Leave a comment

Find unique rows in numpy.array

August 22, 2022 by Magenaut

I need to find unique rows in a numpy.array.

Categories Python, Q&A Tags arrays, numpy, python, unique Leave a comment

Process escape sequences in a string in Python

August 22, 2022 by Magenaut

Sometimes when I get input from a file or the user, I get a string with escape sequences in it. I would like to process the escape sequences in the same way that Python processes escape sequences in string literals.

Categories Python, Q&A Tags escaping, python, string Leave a comment

What’s the u prefix in a Python string?

August 22, 2022 by Magenaut

Like in:

Categories Python, Q&A Tags python, syntax Leave a comment

How do you run your own code alongside Tkinter’s event loop?

August 22, 2022 by Magenaut

My little brother is just getting into programming, and for his Science Fair project, he’s doing a simulation of a flock of birds in the sky. He’s gotten most of his code written, and it works nicely, but the birds need to move every moment.

Categories Python, Q&A Tags events, python, tkinter Leave a comment

Should I put #! (shebang) in Python scripts, and what form should it take?

August 22, 2022 by Magenaut

Should I put the shebang in my Python scripts? In what form?

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

How to drop rows of Pandas DataFrame whose value in a certain column is NaN

August 22, 2022 by Magenaut

I have this DataFrame and want only the records whose EPS column is not NaN:

Categories Python, Q&A Tags dataframe, nan, pandas, python 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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