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Django Async ORM Migration: What Breaks and When to Stay Sync Migration cost The boundary…
Django 5.2 async ORM aprefetch_related() Hit N+1 With select_related
Event date: April 1, 2026 — django 5.2 Jump to Why does aprefetch_related() still fire N+1 queries under the async ORM?
Free-Threaded Python 3.13t: Measuring Contention With perf c2c
The first time you run a threaded dict.get loop on python3.13t and watch it scale at 1.3x on 8 cores instead of 7x, the instinct is to blame Python.
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.
asyncio.TaskGroup vs gather: Why Structured Concurrency Wins in Python 3.11+
If you’ve been writing asyncio in production Python for more than a few months, you’ve almost certainly hit the same trap I keep watching teams walk into.
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.
Marimo vs Jupyter Notebook: Which Python Environment is Best?
I just spent three hours debugging a machine learning pipeline, only to realize I had executed cell 14 before cell 12.
How to Process Massive CSV Files With DuckDB and Python Fast
A 60GB CSV file lands in your AWS S3 bucket. Your data pipeline triggers, spins up a standard EC2 instance, and attempts to run pandas.read_csv() .