iOS Development
iOS App Thinning
iOS 包体积优化实践：资源清理、按需资源、静态与动态库，以及当时的 Bitcode 工作流程。
↗Notes from building and operating small software.
Product notes from my current work, alongside earlier writing on iOS, reverse engineering, and security research. Archived articles keep their original dates and language.
iOS Development
App performance, the Objective-C runtime, and native development.
iOS Development
剖析ARM64下的objc_msgSend
结合 ARM64 汇编理解 objc_msgSend 的方法查找、缓存与消息发送过程；译自 Mike Ash 的文章并保留原文来源。
↗iOS Development
iOS Crash Protector
Objective-C 消息转发机制与 unrecognized selector 崩溃防护的实践记录。
↗Security Research & Reverse Engineering
CTF write-ups, ARM assembly, reverse engineering tools, and notes on memory and exploitation.
Security Research
PWN - Sice Cream
picoCTF Sice Cream 练习题记录：结合 house of orange 学习堆布局与 FILE 结构。
↗Security Research
Heap Exploitation - how2heap - house_of_orange
how2heap house of orange 示例分析：unsorted bin 与 FILE 结构相关机制。
↗Security Research
Heap Exploitation - how2heap house_of_roman
how2heap house of roman 示例分析与逐步调试记录。
↗Security Research
Heap Exploitation - how2heap 3
how2heap 学习笔记（三）：unsorted bin、large bin 与相关堆管理机制。
↗Security Research
Heap Exploitation - how2heap 2
how2heap 学习笔记（二）：house of lore、堆分配行为与调试记录。
↗Product & Business
Building, measuring, and running independent software products.
Product Operations
给 MarginDeck 接入 MCP
为什么给一个本地 Mac 应用加 MCP，Codex 和 Claude 怎样调用它，以及安装、授权和财务数据解释中遇到的问题。
↗Product Operations
TakaQuiz: Rising Installs, Falling Weekly Active Users, and Five First-Session Failures
A fresh-account walkthrough of TakaQuiz exposed five client-side failures after installs rose while weekly active users fell. These counts did not measure cohort retention.
↗Indie Operations
I Reviewed Seven Products in One Afternoon and Killed Four
A practical portfolio review method for part-time indie developers: capacity math, one attack project, written kill criteria, and a 90-day decision gate.
↗Search & Distribution
Google Search Console & Bing Webmaster Tools: Setup and "No Data" Fixes
Set up Google Search Console (formerly Webmaster Tools) and Bing Webmaster Tools, submit sitemaps, request crawls, and fix search query reports that show no data.
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