https://roobystudio.com/Rooby StudioTech Consultant & Trance Producer. Exploring code, music, and life. 2026-03-12T18:10:48+08:00 Boyu Li https://roobystudio.com/ Jekyll © 2026 Boyu Li /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png DB Design: The Three Normal Forms2026-03-11T22:00:00+08:00 2026-03-11T21:49:55+08:00 https://roobystudio.com/posts/three-normal-forms-explained/ boyu A practical walkthrough of the three normal forms (1NF, 2NF, 3NF) — with flawed tables and challenge questions — plus a four-step decomposition framework for splitting any messy table into clean, perpendicular pieces. Leader Playbook Vol.2: Seniority is About Clarity, Not Authority2026-03-08T16:08:00+08:00 2026-03-09T10:11:24+08:00 https://roobystudio.com/posts/clarity-over-authority/ boyu The true mark of a senior engineer or leader isn't the ability to give orders. It's the ability to absorb ambiguity and project clarity. Backend API Design Tips I Should've Known Earlier2026-03-05T09:00:00+08:00 2026-03-05T09:00:00+08:00 https://roobystudio.com/posts/backend-api-design-tips/ boyu Five practical backend API design tips — from avoiding N+1 queries to idempotency and error contracts — that separate production-ready APIs from the rest. Kubernetes: Designed to Be Invisible2026-03-02T09:52:00+08:00 2026-03-02T15:09:13+08:00 https://roobystudio.com/posts/kubernetes-designed-to-be-invisible/ boyu Kubernetes is a container orchestration platform that manages your apps so silently you barely notice it's there. Here's what it does, how to think about it, and why that invisibility is the whole point. What Silksong's Boss Fights Taught Me About Real Life2026-03-01T14:30:00+08:00 2026-03-01T21:45:44+08:00 https://roobystudio.com/posts/silksong-boss-fights/ boyu Beating a Silksong boss after dozens of attempts isn't just satisfying — it's a masterclass in iteration, patience, and trusting the process.