planetpython.org / Page 6

Rebuild wc, grep, sort and sed in Rust, each exercise turning a Python idiom you know (loops, comprehensions, len) into the iterator chain you don't yet.

My Django test suite took 30 seconds. cProfile showed 83% of it was one function: password hashing. Here's how I found the bottleneck and the five-line fix.

How I use Playwright and pytest to end-to-end test every exercise on my Rust learning platform. Patterns that scale.

Welcome back to Core Dispatch! This edition covers June 4 through 19, 2026. Python 3.14.6 and 3.13.14 landed on June 10, and the next milestone is 3.15.0 beta ...

A Platonic dodecahedron decorated with an Islamic pattern.

Python Software Foundation (PSF) Board elections are a chance for the community to choose representatives to help the PSF create a vision fo ...

I'm in a few Discord servers of friends and we get together in-person regularly. Whenever I was the one organizing an event I would attempt to ping everyone details in the Discord using @here. Aft ...

A simple decision rule for when to use a classmethod, a staticmethod, or a plain instance method in Python.

Phew, PyCon US 2026 is a wrap! Now it's time to share about everything security that happened in case you weren't able to attend (or you jus ...

Jeff had decades in software but mediocre Python and no map of AI. Six weeks later: an agent with three interfaces, ~250 tests, and a real mental model.