#engineering

Blobs, trees, commits and refs — why branches are free, why rebasing rewrites, and why nothing is really deleted.

/notes/git-object-model

The essential numbers, shifts, tools, and risks reshaping how software gets built — from agentic IDEs to the junior squeeze.

/briefs/ai-software-engineering-2025

A cheatsheet on why hard deadlines hurt your team, your product, and your customers — and what to do instead.

/briefs/deadlines

How 17 tech companies actually measure engineering productivity — and a framework for choosing your own metrics.

/briefs/dev-productivity