J-Space Reveals How Examples Shape Model Behavior
While tuning Claude's English output style, I kept hitting the same wall. I had already given it rules such as: Do not use jargon. Use plain…
Pieces of My Soul
Pieces of My Soul
Latest posts
How I got 1,300+ Downloads in 24 Hours
I am the author of the opencode-vision plugin. It lets you delegate visual tasks to a vision model from one of your existing AI…
I Gave GLM-5.2 Eyes
Have you ever sent an image to GLM-5.2 in OpenCode? The model says it is text-only and cannot inspect visual content. You accept the…
GLM 5.2: Affordable Providers, Vision, and Agents
After running out of Claude Code and Codex quota last week, I tried GLM-5.2 on real code. It felt like a GPT-5.5-tier model for coding-agent…
How I Built The Dynamic Workflow 4 Months Before Anthropic
Last week, Opus 4.8 shipped with Claude Code dynamic workflows . Four months earlier, I had built an equivalent plugin, charge , on Opus…
Has Claude Code Fallen Behind Codex?
If you follow the coding-agent race, you've heard the story: Codex surged this year — faster, cheaper, more autonomous, and neck-and-neck…
Build Your First 24/7 Agentic Loop
Fun fact: My Claude Code usage reached USD 3,000 in September, 2025. That's because I've been running Claude Code inside a 24/7 agentic…
The Cupertino Ghost in the Machine: An Analysis of Xcode's New AI Assistant
My journey into the internals of Xcode 26’s new AI assistant began not with a bug, but with a feature so persistent it felt like a…
When the Swift Compiler Deleted Code in Stdlib - A Note of Fixing the Eliminate Redundant Load Pass in Swift 6
Latest updated: Apple has accepted the fix for this issue. The final solution was adjusted following a review by the relevant code owner…
Swift Macro: Revisited - Traps and Pitfalls
In the previous post, we learned the strengths and the essence that uniquely define the Swift Macro. The examples in that post work so far…
Swift Macro: Revisited - The Strengths and Essence
From the sessions at WWDC 2023, we learned that Swift Macro aims to: Eliminate boilerplates Make tedious things easy Share with other…
Adapting Reference Semantics Model in SwiftUI - The Basics
Introduction Recently, one of my colleagues had been struggling with porting reference semantics model to SwiftUI with ObservableObject…
A Study of LLVM ADT: ilist, iplist and simple_ilist
Introduction ilist is an intrusive double-linked list -- which means that each linked node stores its data and the node pointers in the…
Using Functional Binding to Observe in SwiftUI
Story This week, my colleague asked me a question: how to observe user selection behaviors on SwiftUI's Picker ? This is a question came…
Unexplained SwiftUI - The Programming Language Nature of SwiftUI
Preface Apple introduced SwiftUI at WWDC 2019. Most people may seem SwiftUI as yet another UI framework likes Flutter , React.js or Vue…
Conforming to Codable for Associated Value Enums in Swift
Understanding Associated Value Enums Why there are associated value enums in Swift? I mean, why the Swift core team designed associated…
A Glimpse into Swift Generic Meta-Programming
Preface What is the most critical thing swings your decision when you choose a programming language? Some people may say, the less lines of…
Use crontab to Automate Updates of CLI Softwares
crontab , an abbreviation of chronic table (periodical time table), is a task scheduler which schedules tasks in period of time on UNIX…
Notes On Implementation of Gatsblog
This post has been revisited with LLM technology to improve its English fluency. In this post, I'll discuss the implementation of Gatsblog…
Notes on Design of Gatsblog
This post has been revisited with LLM technology to improve its English fluency. I had limited time to create a modern design for the first…
An Introduction to Gatsblog
This post has been revisited with LLM technology to improve its English fluency. As mentioned in my Hello World post, no existing blog…
A Story of Implementing Aspect-Oriented Programming in Objective-C and Swift
Case Study: Intervening UIScrollView Instances's Pan Gesture Recognizer As we known, UIScrollView translates pan gesture signals into…
Hello, World!
Hello, world! I haven't been writing blog posts for a long time. The reason why I had given up blogging is that currently there are no blog…