Understanding Mapped Types in TypeScript

A public message I'm sharing with Lenny Rachitsky to consider me for his Newsletter Fellowship in 2024.

In this article, I share a strategy called copywork which can be used as a tool to onboard engineers to a new codebase

I spent 2 years and summer studying Italian the traditional way in college. Now, I'm revisiting it again using Refold's immersion technique.

This article gives you a formula you can follow to become an expert in something. It's a new mental model for building expertise in a way that's practical, approachable and fun.

In this post, I share my notes and highlights from the book "Peak: Secrets From The New Science of Expertise" by Anders Ericsson and Robert Pool.