Technical deep dives, architectural decisions, and learnings. Some are written for this site, the rest are on Medium ↗.
“Is this room free between 10:00 and 11:00?” sounds like the easiest query in a booking system. I wrote it the obvious way, it worked, and the indexes looked fine. Then I loaded 200,000 bookings and watched Postgres…
I was looking at an Instagram profile recently and noticed something weird. The profile UI showed one number for following , while the HTML source contained a completely different number. At first, my thought was pretty…
Anatomy of a Colab Disaster: How a Fashion-MNIST Assignment Turned into a Lesson on Fault Tolerance, Identity Design, and Performance Engineering Most machine learning projects fail in predictable ways. The model…
Service workers sound simple until they’re not. You add offline support, test it locally, ship it , and then three days later you get a support ticket from a user who swears the bug you fixed last week is “still there.”…
Your Tabs Are None of My Server’s Business: Building VaultTabs and the Engineering Tradeoffs Behind Zero-Knowledge Tab Sync How a simple idea “what if tab sync worked like a password manager?” became a deep dive into…
What building a small utility taught me about the difference between algorithmic complexity and integration complexity and why the second one is harder.
Recently, I ran into a strange bug where emojis like 👍 were showing up as corrupted characters in stack traces. This is a deep dive into how JavaScript's atob() handles Base64, Unicode, and the difference between binary strings and text.
How AgentBrake wraps an MCP server over stdio to enforce policies before a tool call runs, why the first version failed open, and what still isn't built (human approval).