19 September 2025

35 links · Friday

Rails Needs New Governance

Ages ago, when I was still a student, I taught myself Ruby on Rails for my senior thesis and fell in love. Fifteen years later, and I’ve used Rails at every job I’ve ever held in the tech industry. Fifteen years, and I still love Rails! But there’s something r…

Built an Open-Source SMS Dashboard

You know that sinking feeling when a customer says "I never got your text" and you have no idea why? That's exactly why I built Twilio SMS Tracker - then open-sourced it so everyone can have proper visibility into their SMS infrastructure. Here's what I've lea…

Goodbye, RubyGems

As chronicled by my teammate Ellen, the RubyGems team is no more. I wish the best of luck to everyone taking on the herculean task of keeping package management functional and working for the entire Ruby community. In the meantime, I’m looking forward to spend…

winning = fun | catherine jue

Ambitious people are happiest when they're winning. Why? It's because ambitious people love to build things, and you get the right to build things when you're winning.

This Map Is Not Upside Down

While conventional and commonplace today, maps have not always had north at the top. And they don't need to.

Create a Phishy URL

This is a tool that takes any link and makes it look malicious. It works on the idea of a redirect. Much like https://tinyurl.com/ for example. Where tinyurl makes an url shorter, this site makes it look maliciou…

Learn Your Way: Reimagining textbooks with generative AI

Textbooks are a cornerstone of education, but they have a fundamental limitation: they are a one-size-fits-all medium. The manual creation of textbooks demands significant human effort, and as a result they lack alternative perspectives, multiple formats and t…

A Fairly Hostile Subtext

I really feel this advertisement has “said the quiet part out loud.” “One day you won’t have to assemble the entire creative team for every little request. Are they all wear…

On Rediscovery

Why rediscovering something isn't embarrassing—it's essential

On DHH’s “As I Remember London”

David Heinemeier Hansson recently wrote a piece about London and the “unite the kingdom” protests that happened there over the weekend.

Object-Oriented Programming in C

Object-Oriented programming is a powerful (although controversial) programming paradigm that empowers developers to design modular systems and abstractions.

Faster argmin on floats

If you know that you are working with "regular" floats, you can make argmin faster.