@LeeRenJie

How to Build an AI Support Agent That Knows When NOT to Answer Tickets

5d ago · 17 min read · Most AI support agent tutorials show you how to wire up Retrieval Augmented Generation (RAG) and call it a day. Convert the docs into numeric vectors, pull the closest few passages to the user's quest

How I Tested Malaysia's Open Data Portals with Plain English

Apr 23 · 16 min read · Most end-to-end test suites drive a real browser and click through an app like a user. They check whether a page renders and whether elements appear. But they don't check whether the numbers on those

How to Build a Headless WordPress Frontend with Astro SSR on Cloudflare Pages

Apr 20 · 18 min read · This tutorial shows you how to run WordPress as a headless CMS with an Astro frontend deployed to Cloudflare Pages. For a project I was recently working on, the requirement was to use WordPress as the

Why Every Student Should Join Hackathons

Sep 11, 2025 · 8 min read · After graduation, I noticed many fresh grads struggling to land jobs. It wasn’t because they lacked effort or qualifications. The real issue was that what we learn in university doesn’t fully match what employers are looking for. Now, with the rise o...