Knowledge Repository

Taking six AP exams in one year — from the anxiety-inducing Physics C mock exams I never cracked a 5 on, to Statistics surprises and a surprisingly smooth Physics test day. A candid look at the most stressful academic year of my high school life.

From self-hosting a CMIN2 proxy node with s-ui panel management to deploying a Tor hidden service with a custom .onion vanity address — a hands-on journey through network security, protocol disguise, and dark web architecture.

From theme setup and LaTeX workflow to AI-assisted knowledge management, this is why Obsidian became my long-term note-taking tool.

My experience at the CTB National Finals pitching our app to juries and cracking poster dilemmas with AI.

Unboxing and setting up my new Tangem hardware wallet to secure my crypto assets, along with an updated portfolio strategy.

How paying for ChatGPT accidentally led me into Web3: a journey from a small liquidation to building a core crypto portfolio.

This is the first article on this website, where I'll walk you through the development process and provide a general introduction to its purpose and features.

This article shares my journey of exploring different code editors. From DEV C++ to Visual Studio, JetBrains, VSCode, and Neovim, I compare their pros and cons. In the end, I mainly use neovim and sometimes use VSCode for Raspberry Pi's development.

I built a smart bedroom using Xiaomi devices and Home Assistant. I installed a smart socket, upgraded my chandelier lights, added motion sensors for automation, and used a Curtain Mate for automatic curtain control. This setup makes my room more convenient, efficient, and comfortable without major modifications.

I used to host my website on Vultr for $5/month, which was too expensive. Due to the GFW, GitHub Pages was inaccessible. I finally switched to Cloudflare, which is free, powerful, and not blocked, greatly reducing my costs.

Managing emails can be tricky when important messages get buried under promotions. I explored Gmail's plus addressing and eventually settled on Cloudflare's email forwarding with my custom domain—a free solution with some trade-offs.

In this website, I described the process of making my own app and some problems I encountered in the early stage, such as js loading problems, https problems, etc. I will add more content later.

This is a notion from a project I did. My project was to build an automatic vision test system based on gesture recognition and face recognition on a Raspberry Pi.

This article is the second part of The process of me making an app. And in this article, I successfully submitted my app to the App Store.

AI lowered the barrier, enabling a beginner to turn an idea into a full App Store release.

Setting up a Xiaomi BE6500 mesh router with Clash proxy for whole-home internet access, including performance optimization and rule customization.

This article is the third part of The process of me making an app. In this article, I continue to improve the app after it went live on the App Store, including fixing UI issues and adding photo upload features.

This article is the fourth part of The process of me making an app. In this article, I discuss how I implemented code obfuscation and compression to protect my source code, optimized app performance, and my journey to obtaining a Software Copyright.

As a student who transferred from a regular middle school to an international school, English has always been my biggest weakness. This article documents my TOEFL learning journey from scoring 3 on reading in my first attempt to eventually achieving 94, including the setbacks, efforts, and growth along the way.

Our school's education group held a charity competition called the "2050 Future Changemakers Competition." Our "Purpura Elf" project participated and won the national championship with a prize of 4000 yuan. This article documents our journey from the preliminary rounds through the school finals to the national finals in Shanghai, including the challenges, improvements, and ultimate victory.