- The Architecture Behind Typeless — A Voice-to-Text AI Assistant
Reverse engineering Typeless.app with static analysis — the 5-library Swift native layer, koffi FFI bridge, Opus audio pipeline, macOS Accessibility API integration, and cloud AI voice flow behind this voice-to-text desktop tool.
- The Architecture Behind OpenAI's Codex Desktop App
Reverse engineering Codex.app with static analysis — the 70-method IPC registry, fetch proxy auth gateway, git-first workspace model, and automation system behind OpenAI's desktop coding agent.
- Understanding Google A2A Protocol - The Agent-to-Agent Communication Standard
A comprehensive guide to Google's Agent2Agent (A2A) protocol, exploring how AI agents communicate and collaborate across different frameworks and platforms.
- Java Cheatsheet for LeetCode
Java Cheatsheet for LeetCode
- SaaS Architecture
How to architect a SaaS application
- Embedding and Vector Database
Introduction to embedding and vector database
- PostgreSQL is All You Need
Use PostgreSQL to replace other database to reduce complexity and move faster
- How to be a Good Programmer
How to be a good programmer
- Layer of Software, Application and Application Infrastructure
Layer of software, Application and Application Infrastructure
- System Design: Back-of-the-envelope calculations
Back-of-the-envelope calculations for rough estimations
- Knowledge Workflow
My knowledge workflow