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python

Correct way to define Python source code encoding

August 20, 2022 by Magenaut

PEP 263 defines how to declare Python source code encoding.

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

Using sudo with Python script

August 20, 2022 by Magenaut

I’m trying to write a small script to mount a VirtualBox shared folder each time I execute the script. I want to do it with Python, because I’m trying to learn it for scripting.

Categories Python, Q&A Tags python, shell, subprocess Leave a comment

How can I get the named parameters from a URL using Flask?

August 20, 2022 by Magenaut

When the user accesses this URL running on my flask app, I want the web service to be able to handle the parameters specified after the question mark:

Categories Python, Q&A Tags flask, python, url-parameters, web-services Leave a comment

Efficient way to unnest (explode) multiple list columns in a pandas DataFrame

August 20, 2022 by Magenaut

I am reading multiple JSON objects into one DataFrame. The problem is that some of the columns are lists. Also, the data is very big and because of that I cannot use the available solutions on the internet. They are very slow and memory-inefficient

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

Why does the print function return None?

August 20, 2022 by Magenaut

I’m trying to understand why the outer print returns None.

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

Python None comparison: should I use “is” or ==?

August 20, 2022 by Magenaut

My editor warns me when I compare my_var == None, but no warning when I use my_var is None.

Categories Python, Q&A Tags comparison, nonetype, python Leave a comment

Plot smooth line with PyPlot

August 20, 2022 by Magenaut

I’ve got the following simple script that plots a graph:

Categories Python, Q&A Tags matplotlib, plot, python, smoothing Leave a comment

How to load default profile in Chrome using Python Selenium Webdriver?

August 20, 2022 by Magenaut

I’d like to launch Chrome with its default profile using Python’s webdriver so that cookies and site preferences persist across sessions.

Categories Python, Q&A Tags python, selenium-chromedriver Leave a comment

Getting the class name of an instance?

August 20, 2022 by Magenaut

How do I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?

Categories Python, Q&A Tags instanceof, introspection, python, python-datamodel Leave a comment

Running unittest with typical test directory structure

August 20, 2022 by Magenaut

The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own test directory:

Categories Python, Q&A Tags python, 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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