The 4 kinds of ALTER TABLE that cause production incidents (and a 5-minute review for each)
A migration that runs fine on your laptop's empty database can still fail, or do real damage, in pr…
Programming
Software development, code, and open source.
13K articles
Seven rounds of AI code review in one day, 2,048 tests green, and the feature had never started once
Since March 2026 I have been building Calyx, a native macOS terminal for running and supervising co…
AI's Bottleneck Just Shifted From Chips to Capital
For three years, the AI boom's limiting factor has been physical: not enough wafers, not enough hig…
What does the .csproj file tell you about your .NET project?
🇧🇷 Prefer reading in Portuguese? Read the Brazilian Portuguese version. On the first day of 30 Days…
Observability for Agents Should Cost Nothing
Originally published on my personal engineering blog. More engineering articles are available on my…
Engineering a Frictionless Location-Based Vehicle Rental Discovery Platform for China
Introduction When product teams and software engineers set out to build a modern discovery platform…
What are APIs? And How Do They Work?
A beginner-friendly guide, with a bit of Python and a lot of food analogies. Imagine you're buildin…
Your password generator is probably using Math.random(). Stop.
Math.random() is not cryptographically secure. Its output is deterministic given the internal state…
How AI Is Making Restaurant Menus Easier to Navigate
Navigating restaurant menus can be a daunting experience—especially when you’re trying to balance t…
The Complete Guide to SVG Icon Optimization for Web Performance
SVG icons have become a cornerstone of modern web design, offering crisp, scalable graphics that lo…
I made a free Week 1 plan for people switching to code with no tech background
When people switch careers into coding, the hardest part is usually not the code. It is deciding wh…