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ls -lt /users/peifeng/blog/ | filter --featured
RSS ↗
// FEATURED_POSTS
★ FEATURED
2026.07.6
TECH
I Built Another Japanese Vocabulary Puzzle Game — Kotoba Puzzle
After building Kotoba, I created Kotoba Puzzle to explore a more playful way of reviewing Japanese vocabulary through kana tracing, meanings, and pronunciation hints.
→ read
2026.06.21
TECH
I Built a Simple Japanese Vocabulary Tool for Myself — Kotoba
I built Kotoba for my own Japanese study—a lightweight JLPT vocabulary trainer with N5–N1 word learning, daily challenge…
→ read
2026.05.10
TECH
Sky Finance Series #1: From POC to a Systematic RAG Platform — Architecture Overview
I rebuilt and open-sourced Sky Finance — this post is the first in a series documenting the project. It covers the overa…
→ read
// ALL_POSTS
>
ls -lt /users/peifeng/blog/ | head -5
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2026
8 posts
2026.07.06
TECH
I Built Another Japanese Vocabulary Puzzle Game — Kotoba Puzzle
After building Kotoba, I created Kotoba Puzzle to explore a more playful way of reviewing Japanese vocabulary through kana tracing, meanings, and…
→
2026.07.06
I Built Another Japanese Vocabulary Puzzle Game — Kotoba Puzzle
After building Kotoba, I created Kotoba Puzzle to explore a more playful way of reviewing Japanese vocabulary through kana tracing, meanings, and…
TECH
→
2026.06.21
TECH
I Built a Simple Japanese Vocabulary Tool for Myself — Kotoba
I built Kotoba for my own Japanese study—a lightweight JLPT vocabulary trainer with N5–N1 word learning, daily challenges, mistake review, local…
→
2026.06.21
I Built a Simple Japanese Vocabulary Tool for Myself — Kotoba
I built Kotoba for my own Japanese study—a lightweight JLPT vocabulary trainer with N5–N1 word learning, daily challenges, mistake review, local…
TECH
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2026.06.10
LIFE
What 12 Years Across China and Japan Taught Me About Where Engineers Actually Grow
12 years as an engineer across China and Japan taught me one thing: what makes you remember a company is never the tech stack. It's the small things…
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2026.06.10
What 12 Years Across China and Japan Taught Me About Where Engineers Actually Grow
12 years as an engineer across China and Japan taught me one thing: what makes you remember a company is never the tech stack. It's the small things…
LIFE
→
2026.05.10
TECH
Sky Finance Series #1: From POC to a Systematic RAG Platform — Architecture Overview
I rebuilt and open-sourced Sky Finance — this post is the first in a series documenting the project. It covers the overall architecture, the core…
→
2026.05.10
Sky Finance Series #1: From POC to a Systematic RAG Platform — Architecture Overview
I rebuilt and open-sourced Sky Finance — this post is the first in a series documenting the project. It covers the overall architecture, the core…
TECH
→
2026.05.09
TECH
Rebuilding My Personal Site: Cyber, Sakura & Pixels
I rebuilt my personal site into a unified experience with four distinct themes — a Vim-inspired dark terminal, a clean light mode, a Sakura · Fuji…
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2026.05.09
Rebuilding My Personal Site: Cyber, Sakura & Pixels
I rebuilt my personal site into a unified experience with four distinct themes — a Vim-inspired dark terminal, a clean light mode, a Sakura · Fuji…
TECH
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2026.04.05
TECH
SkyFinance POC: I Built a Personal Stock Alert System with Local LLMs and Cloud AI
I hold positions across two markets — US equities (NVDA, CRWD, PLTR, COIN) and Tokyo-listed stocks (7011.T Mitsubishi Heavy, 6758.T Sony, 6367.T…
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2026.04.05
SkyFinance POC: I Built a Personal Stock Alert System with Local LLMs and Cloud AI
I hold positions across two markets — US equities (NVDA, CRWD, PLTR, COIN) and Tokyo-listed stocks (7011.T Mitsubishi Heavy, 6758.T Sony, 6367.T…
TECH
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2026.03.14
TECH
SkyRss: I Built a Daily News Pipeline with Local LLM + RSS
The first post covered SkyAgenda — a morning briefing agent that wires together Apple Calendar, weather forecasts, and a locally-running LLM. This…
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2026.03.14
SkyRss: I Built a Daily News Pipeline with Local LLM + RSS
The first post covered SkyAgenda — a morning briefing agent that wires together Apple Calendar, weather forecasts, and a locally-running LLM. This…
TECH
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2026.03.07
TECH
SkyAgenda: Building a Privacy-First Daily Briefing Agent with a Local LLM
I spent the last few days building SkyAgenda — a local automation agent that reads my Apple Calendar, fetches weather forecasts for upcoming event…
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2026.03.07
SkyAgenda: Building a Privacy-First Daily Briefing Agent with a Local LLM
I spent the last few days building SkyAgenda — a local automation agent that reads my Apple Calendar, fetches weather forecasts for upcoming event…
TECH
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▸
2025
3 posts
2025.02.22
TECH
2025 My Personal Project Tech Stack Upgrade Summary
This year, I upgraded the tech stack for all my personal projects. The key changes include: Operating System: Upgraded to Debian 12 Infrastructure…
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2025.02.22
2025 My Personal Project Tech Stack Upgrade Summary
This year, I upgraded the tech stack for all my personal projects. The key changes include: Operating System: Upgraded to Debian 12 Infrastructure…
TECH
→
2025.01.25
TECH
My New Blog: A Journey of Refactoring and Evolution
This marks the second personal project I’ve completed in 2025. My plan for this year is to develop three personal projects using Golang, Rust, and…
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2025.01.25
My New Blog: A Journey of Refactoring and Evolution
This marks the second personal project I’ve completed in 2025. My plan for this year is to develop three personal projects using Golang, Rust, and…
TECH
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2025.01.11
TECH
My First Personal Project of 2025: Golden Retriever
In 2025, I launched my first personal project. This initiative was not only an attempt at data analysis but also a hands-on exploration of different…
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2025.01.11
My First Personal Project of 2025: Golden Retriever
In 2025, I launched my first personal project. This initiative was not only an attempt at data analysis but also a hands-on exploration of different…
TECH
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▸
2024
3 posts
2024.12.31
LIFE
2024 Year in Review
This year marked significant milestones in my journey in Japan. I transitioned from G Company, a dispatch development firm, to F Company, a Japanese…
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2024.12.31
2024 Year in Review
This year marked significant milestones in my journey in Japan. I transitioned from G Company, a dispatch development firm, to F Company, a Japanese…
LIFE
→
2024.07.08
TECH
My New Resume Web —— A Work of Art
I rewrote my resume website, and the new version is truly a work of art. The design is simple, beautiful, and modern, supporting English, Japanese,…
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2024.07.08
My New Resume Web —— A Work of Art
I rewrote my resume website, and the new version is truly a work of art. The design is simple, beautiful, and modern, supporting English, Japanese,…
TECH
→
2024.04.22
TECH
Sakura
Every year from March to April is the cherry blossom season in Japan. This is one of the most beautiful periods in Japan. Another period is the…
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2024.04.22
Sakura
Every year from March to April is the cherry blossom season in Japan. This is one of the most beautiful periods in Japan. Another period is the…
TECH
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2023
1 post
2023.11.20
LIFE
赴日一周年
随便写写，大量图片注意 这一年主要在上野-浅草-秋叶原-日本桥这片区域游荡，也去了京都，大阪，奈良，富士山，日光，北海道，基本对日本的感觉高于预期，现阶段去的地方都是随便看看，等明年3月后日语水平好了点再深度游。…
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2023.11.20
赴日一周年
随便写写，大量图片注意 这一年主要在上野-浅草-秋叶原-日本桥这片区域游荡，也去了京都，大阪，奈良，富士山，日光，北海道，基本对日本的感觉高于预期，现阶段去的地方都是随便看看，等明年3月后日语水平好了点再深度游。…
LIFE
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▸
2022
3 posts
2022.12.20
LIFE
简单介绍下如何通过技术人文签证赴日
来东京整整一个月，感觉非常不错，整理一篇如何通过技术人文签的简单攻略。 基本上，我认识的能看到这篇文章的，绝大多数有资格申请 “技術・人文知識・国際業務”， 也就是日本的工作签证之一。
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2022.12.20
简单介绍下如何通过技术人文签证赴日
来东京整整一个月，感觉非常不错，整理一篇如何通过技术人文签的简单攻略。 基本上，我认识的能看到这篇文章的，绝大多数有资格申请 “技術・人文知識・国際業務”， 也就是日本的工作签证之一。
LIFE
→
2022.11.20
LIFE
2022.11.20
成功抵达东京，新生活开始 （未完不定时补充细节）
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2022.11.20
2022.11.20
成功抵达东京，新生活开始 （未完不定时补充细节）
LIFE
→
2022.06.01
LIFE
Lockdown in Shanghai 77 days
It was in lockdown for 77 days from March 15th to June 1st. Today Shanghai has been unlocked.
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2022.06.01
Lockdown in Shanghai 77 days
It was in lockdown for 77 days from March 15th to June 1st. Today Shanghai has been unlocked.
LIFE
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▸
2021
2 posts
2021.05.07
LIFE
Blog 两周年，搬个家
Blog 上线两周年，搬家到 DigitalOcean 原因 节约点经费，便宜了点
→
2021.05.07
Blog 两周年，搬个家
Blog 上线两周年，搬家到 DigitalOcean 原因 节约点经费，便宜了点
LIFE
→
2021.04.17
TECH
重写 Blog
最近把 Blog 网站重写了，UI 整体改变其实不大，颜色换了添加了黑暗模式，简单用 i18n 做了一个多语言切换。 但实际将整个前后端代码都重写了。 现在的技术架构 后端：Django 前端：React，TypeScript， styled-components 数据库： SQLite 部署：…
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2021.04.17
重写 Blog
最近把 Blog 网站重写了，UI 整体改变其实不大，颜色换了添加了黑暗模式，简单用 i18n 做了一个多语言切换。 但实际将整个前后端代码都重写了。 现在的技术架构 后端：Django 前端：React，TypeScript， styled-components 数据库： SQLite 部署：…
TECH
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> load_more_posts()
root@wang's server:~#