Concurreny fundamentals for Python web apps

Shared servers for the win!

How Python's recent performance improvements work under the hood

TypedDict was introduced in PEP-589 which landed in Python 3.8. The primary use case was to create type annotations for dictionaries. For example,...

This critical role would not be possible without funding from the Alpha-Omega project. Massive thank-you to Alpha-Omega for investing in the security of the Python ecosystem!


I was a guest on ...

In this tutorial, Christopher Trudeau explores how the htmx library can bring dynamic functionality, like lazy loading, search-as-you-type, and infinite scroll, to your Django web applications with minimal JavaScript.

Christopher demonstrates how htmx integrates…

This post, is what happens, when you get an intrusive thought about how your computer works, in the middle of the night.

Sudoku solving in python packaging. Contribute to konstin/sudoku-in-python-packaging development by creating an account on GitHub.

💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide.

In this video, I'll refactor some tricky, hard-to-detect code duplication, show you an example of when it's best to leave duplicated code as is, and share a few tips on how…

Preventing downtime during deployments is crucial for maintaining service availability and ensuring a positive user experience. Blue-green deployments have emerged as a popular strategy to achieve this goal. However, they introduce challenges, especially…

Financial instrument definitions built with Python and Pydantic - kyleloomis/finstruments

PyBay is an annual conference gathering of Pythonistas put on by the Bay Area Python Association. PyBay 2024 was our 9th annual event, held on September 21, ...

I talked about the new Python 3.13 REPL a few months ago and after 3.13 was released.
I think it’s awesome. I’d like to share a secret …

CLI & dialog toolkit – a minimal interface to Python application (GUI, TUI, CLI + config files, web) - CZ-NIC/mininterface

👉 Visit https://brilliant.org/ArjanCodes/ to try Brilliant for free for 30 days. You’ll also get 20% off an annual premium subnoscription.

In this video, I’ll share 10 tips that can take you from a good Python developer to a great developer. Make sure you…

A common need in web applications is to create a form that allows the user to enter a list of items, with the number of items not known in advance. This is a pattern often used when entering user…

Discover how to test Django applications integrating large language models (LLMs) using LangChain. Learn a mock-free testing approach that enables flexibility, introspection, and seamless API updates, while ensuring robust and reliable application development.

Modifying the code that takes the user code and transforms it by installing an import hook, and rewriting the AST (abstract syntax tree).

Packaging Python applications and environments on MS Windows for other users so that they're "ready...