What makes a senior in the AI-driven era Thinking out loud on seniority in the age of AI.

writing down my recent thoughts

I wonder what will be different when I revisit it after a few months

jackyef.com/posts/what-m...

1-billion row challenge with Node.js 5 minutes to 11 seconds with Node.js is possible?

My learnings from attempting the 1-billion row challenge with Node.js, pretty happy with the experience!

Follow along and see how 5m to 11s is possible with Node.js ⏱

jackyef.com/posts/1brc-n...

Working on a databases starter pack: go.bsky.app/7mG8msu

Hey @danabramov.bsky.social, is it possible to use useSyncExternalStore with async storage solution like localforage? 🤔

I tried it but couldn't get it to work because getSnapshot can't be an async function.