Two Principles That Survive Every System Design

Layering and loose coupling aren't trendy patterns — they're the two properties that determine whether a system stays changeable as it grows.

Debugging and Mental Models

Most hard bugs aren't hard because of the code — they're hard because your mental model of the system is wrong. Here's how to fix that first.

On Note-Taking Systems

Every productivity system eventually becomes about the gap between capturing information and actually using it. Here's what I've learned about building notes that work.

The Craft of Readable Code

Code is read far more often than it is written. Investing in readability is one of the highest-leverage habits an engineer can build.

On Finishing Things