CPython internals
Litestar Cut Our P99 Latency 40% After Migrating From FastAPI
In this article Why does Litestar handle tail latency better than FastAPI? What makes serialization the biggest bottleneck?
Ruff 0.8 Replaced Black, isort, and Flake8 in Our Monorepo
A single ruff check –fix and ruff format pair now covers what used to be three separate pre-commit hooks: Black for formatting, isort for import.
Ruff 0.6 Replaced Black and isort in Our Monorepo Last Week
The switch took one afternoon and one follow-up PR. A 180-package Python monorepo that had been running black , isort , and flake8 on every pre-commit.
Python JIT: practical notes from production
The experimental copy-and-patch JIT landed in CPython 3.13 behind the –enable-experimental-jit build flag, and by 3.14 it is stable enough to enable on.
Step-by-Step Tutorial: Writing Python Extensions in Rust With PyO3
I hit a massive performance wall last Tuesday. I was tasked with parsing a 50GB dataset of nested JSON logs for a cybersecurity client doing malware.
Python’s Reference Counting Has Changed (And You Probably Missed It)
Well, that’s not entirely accurate — I actually spent most of last Tuesday staring at a flame graph that absolutely refused to make sense.