Mostly Python

Mostly Python

Home
Topics
Series
Colophon
Contact
Archive
About
OOP in Python: Why is object-oriented programming so important?
MP 36: What is OOP, and why does everybody ask about it?
Jul 6, 2023 • 
Eric Matthes
44
9
Most Popular
View all
Why I'm still using Python
Dec 29, 2022 • Eric Matthes
57
4
Yes, you should still learn to code*
Mar 18, 2023 • Eric Matthes
14
Improving code blocks in Substack newsletters
Mar 21, 2023 • Eric Matthes
19
Amusing logical errors
MP 86: And the value of small utility functions.
Mar 7, 2024 • 
Eric Matthes
3
1
Leaving Substack
MP 85: I'll be moving to Ghost next week, because it's a better fit for Mostly Python.
Feb 29, 2024 • 
Eric Matthes
18
3
Testing a book's code: Overall conclusions
MP 84: Final takeaways from a detailed look at testing.
Feb 22, 2024 • 
Eric Matthes
5
Testing a book's code, part 6: Testing a Django project
MP 83: Testing a simple but nontrivial Django project, from a reader's perspective.
Feb 15, 2024 • 
Eric Matthes
3
Testing a book's code, part 5: Testing Plotly data visualizations
MP 82: Testing complex HTML output, and output that varies based on API calls.
Feb 8, 2024 • 
Eric Matthes
4
Deploying simple Streamlit apps
MP 81: It's straightforward, but there are some things to be aware of.
Feb 6, 2024 • 
Eric Matthes
5
3
Testing a book's code, part 4: Testing Matplotlib data visualizations
MP 80: Modifying files and making assertions about images.
Feb 1, 2024 • 
Eric Matthes
3
Mostly Python
Mostly Python
I write mostly about Python, and other topics that come up in the course of my programming and writing work. New posts on Thursdays, and some Tuesdays as well.
Recommendations
View all 6
Artificial Ignorance
Artificial Ignorance
Charlie Guo
The Computist Journal
The Computist Journal
Alejandro Piad Morffis
The Nerd Nook
The Nerd Nook
Josh Wenner
Flocode: Engineering Insights 🌊
Flocode: Engineering Insights 🌊
James O'Reilly
The Python Papers
The Python Papers
Mike Driscoll

Mostly Python

AboutArchiveRecommendationsSitemap
© 2025 Eric Matthes
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture