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Python

Finding occurrences of a word in a string in python 3

August 14, 2022 by Magenaut

I’m trying to find the number of occurrences of a word in a string.

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

Python OpenCV streaming from camera – multithreading, timestamps

August 14, 2022 by Magenaut

I ran simple python script on Raspberry Pi 3. This script is responsible to open video device and stream data (800×600) to HTTP endpoint using MJPEG. When I receive this stream one of my Raspberry Pi cores works on 100%. It possible to run OpenCV with multi threading?

Categories Python, Q&A Tags multithreading, opencv, performance, python, raspberry-pi Leave a comment

Drag multiple sprites with different “update ()” methods from the same Sprite class in Pygame

August 14, 2022 by Magenaut

I’m trying to make multiple sprites that all come from the same pygame sprite class.

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

Split string on commas but ignore commas within double-quotes?

August 14, 2022 by Magenaut

I have some input that looks like the following:

Categories Python, Q&A Tags csv, double-quotes, python, regex, split Leave a comment

how is axis indexed in numpy’s array?

August 14, 2022 by Magenaut

From Numpy’s tutorial, axis can be indexed with integers, like 0 is for column, 1 is for row, but I don’t grasp why they are indexed this way? And How do I figure out each axis’ index when coping with multidimensional array?

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

How can I make the xtick labels of a plot be simple drawings using matplotlib?

August 14, 2022 by Magenaut

Instead of words or numbers being the tick labels of the x axis, I want to draw a simple drawing (made of lines and circles) as the label for each x tick. Is this possible? If so, what is the best way to go about it in matplotlib?

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

Selenium python Error: element could not be scrolled into view

August 14, 2022 by Magenaut

I am working on automating the IdentiGO application for my company, and I’m getting the following error:

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

Link Conda environment with Jupyter Notebook

August 14, 2022 by Magenaut

I’m trying to set a good environnement for doing some scientific stuff with python. To do so, I installed Jupyter & miniconda.

Categories Python, Q&A Tags ipython, jupyter, jupyter-notebook, miniconda, python Leave a comment

Left justify string values in a pandas DataFrame

August 14, 2022 by Magenaut

So I have a DataFrame with 180000+ values and I need to (1) replace duplicate and certain values in cells by row and (2) rearrange. Here is my DataFrame, df:

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

How to read bits from a file?

August 14, 2022 by Magenaut

I know how to read bytes — x.read(number_of_bytes), but how can I read bits in Python?

Categories Python, Q&A Tags binary, io, 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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