What I Learned in 2018

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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.

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.

Is Blogging Really Dead?
In the AI era, is blogging dead? Pieter Levels says blogs are dead, but I believe readers will crave quality blogs with unique character - no one wants to read AI-written blogs anymore.

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.

Completion Handlers in Swift 3 - iOS
A detailed guide on Completion Handlers in Swift 3 for iOS development. I explain when to use them, how to declare functions with Completion Handlers, and two methods for calling them: creating separate functions and trailing closures. Includes practical examples with JSON loading.

Algorithms with Swift: Insertion Sort
An article explaining the Insertion Sort algorithm implemented in Swift in an easy-to-understand, memorable way - not like textbooks.