July 9, 2017•2 min read•

Deploy React Native with Expo - No Android Studio or Xcode Needed

An introduction to deploying React Native apps using Expo without needing Android Studio or Xcode. I share convenient Expo features like automatic certificate generation, easy app building, and especially Over the Air (OTA) updates without submitting new versions to the store.

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April 15, 2026•9 min read

1DevTool: The Developer Cockpit I Built Because I Was Drowning in Windows

I was running Claude Code, Codex, and Gemini CLI in three different terminals, plus VS Code, Chrome, Postman, and TablePlus — just to ship one feature. So I built 1DevTool: one window per project, every AI agent in one place, everything persists.

Programming & Tech product-development

April 15, 2026•10 min read

Server Compass: Why I Built a Desktop App to Turn Any $5 VPS Into My Own PaaS

I was tired of paying $20+/month for Vercel and Railway, but also tired of self-hosted panels eating 2GB of RAM on my $5 VPS. So I built Server Compass — a desktop app that connects to any VPS over SSH and gives you the full power of a managed PaaS, with zero server overhead and one-time pricing.

Programming & Tech Startup & Business

December 27, 2025•2 min read

Accidentally Building a Blogging Platform

I hadn't written blog posts for a long time and realized I was too dependent on AI. To rebuild my writing habit and think more clearly, I decided to build a writing platform: write.rocks.

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July 1, 2025•6 min read

Vibe Coding - Rebuilding My Blog from Scratch and Rebranding to khoa.blog

Detailed walkthrough of rebuilding a blog from scratch with vibe coding, from data migration to implementing new features, helping readers understand the personal blog development process.

Programming & Tech Learning & Education Personal Development

March 21, 2020•3 min read

Day 11 - Profitable MVP in 30 Days - Stuck with New Ideas

Day 11 of the profitable MVP challenge, sharing about searching for new ideas after struggling with the first product. This post introduces the Reading Tracker idea - a tool to help users create, manage, and share their reading lists, with features like syncing from Goodreads, auto-completion when typing, and Amazon affiliate link integration.