Writing on technology, life, and more.

All of my thoughts on tech news, programming, life events, announcements, and other things, collected in chronological order.

Timestamps Are Hard: Unix Time, Time Zones, and UI Bugs

Dates look simple until you ship them. This post covers the most common timestamp bugs (seconds vs ms, UTC vs local time), and a small set of patterns that keep your UI correct and consistent.

datesdebuggingjavascripttypescriptweb

Regex Demystified: Intro to Pattern Matching

Regular expressions (regex) are a powerful tool for pattern matching and text manipulation. In this article, we will explore the fundamentals of regex, its syntax, and practical applications.

programmingregextheorytutorial

Introducing Animaginary: High performance web animations

When you’re building a website for a company as ambitious as Planetaria, you need to make an impression. I wanted people to visit our website and see animations that looked more realistic than reality itself.

animationplanetaria

Rewriting the cosmOS kernel in Rust

When we released the first version of cosmOS last year, it was written in Go. Go is a wonderful programming language, but it’s been a while since I’ve seen an article on the front page of Hacker News about rewriting some important tool in Go and I see articles on there about rewriting things in Rust every single week.