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Developer / ACMer

This site is where I collect algorithm editorials, backend notes, system fundamentals and long-form learning records. The goal is not fast posting, but durable writing.

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Focus

  • Contest problem solving, editorial writing and post-contest review.
  • Java backend fundamentals: JUC, JVM, databases, cache and engineering practices.
  • Classic CS topics including OS, networking and database systems.
  • Obsidian / Markdown / Astro based knowledge workflows.

Tools

Productivity
Obsidian
Knowledge base and notes
Typora
Single-file Markdown editor
Notion
Planning and workspace management
Chrome
Daily browser
Edge
Secondary browser
Firefox
Compatibility checks
Development
VS Code
General coding
Cursor
AI-assisted IDE
IntelliJ IDEA
Java IDE
ChatGPT
Reasoning and drafting support
Doubao
Chinese AI assistant
Environment
macOS
Primary laptop environment
Ubuntu (WSL)
CLI-heavy development environment
Windows 11
Secondary workstation

Social Networks

GitHub
Profile
Zhihu
Profile
Bilibili
Profile
X
Profile
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Current Site Services

  • FXJ Wiki: main site for blog, archives, tags and search.
  • Docs: reusable docs and theme-related notes.
  • Notes: a more knowledge-base-like writing space.
  • Pages: archived earlier GitHub Pages content.
  • Waline: comment system and pageview service.

Planned Services

Status

Planned uptime dashboard with incidents and historical availability. The preferred direction is Upptime.

Share

Planned share portal for cloud files. The preferred direction is onedrive-cf-index-ng.

Analytics

Planned Umami panel so analytics and comment admin can be kept separate.

About Blog

  • 2023-03-13
    Started writing Markdown notes in Youdao Note
  • 2023-10-23
    Started writing notes on Luogu
  • 2024-01-10
    Built my first Hexo blog
  • 2025-10-06
    Moved into the current Astro-based FXJ Wiki
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