April 2026
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() .
I Dropped Pandas for Polars. Here’s What Broke.
It was 11 PM on a Thursday last month. My data pipeline running on a t3.xlarge AWS instance crashed for the fourth time that week. The culprit?
Mastering Gil Removal: Advanced Techniques and Best Practices for Modern Developers
Introduction to Gil Removal In today’s rapidly evolving technological landscape, GIL removal has emerged as a critical skill for developers seeking to.