# Miscellaneous

> Essays, notes and personal writing — the things that are not about technology, or not only about it.

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LLMS index: [llms.txt](/en/llms.txt)

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Section pages:

- [Pigsty Goes Global: 1.44M Visitors, Zero Ad Revenue](/en/misc/pigsty-opc/)
- [Genesis 2.0](/en/misc/genesis-again/)
- [Fully Loaded M5 Max: What Does a RMB 58,200 Laptop Look Like?](/en/misc/apple-m5-max/)
- [2025 Year in Review: A Turning Point](/en/misc/2025/)
- [2023 Year-End Summary: Thirty and Established](/en/misc/2023/)
- [Modb Interviews Industry Leaders - Feng Ruohang](/en/misc/modb-interview-vonng/)
- [ISD Dataset: Analyzing 120 Years of Global Climate Change](/en/misc/isd/)
- [Post-90s, Quit Job to Start Business, Says Will Crush Cloud Databases](/en/misc/entrepreneur-vs-rds/)
- [The WeChat Photo Album Access Issue](/en/misc/wechat-spyware/)
- [Life at 28](/en/misc/year-28/)
- [Farewell to Grandfather](/en/misc/yaoguoxun/)
- [Practical Cryptography Made Simple](/en/misc/handy-cryptography/)
- [The Sorrow of the Internet](/en/misc/internet-sorrow/)
- [New Year Reflections](/en/misc/reverie/)
- [Knowledge of China's Administrative Divisions](/en/misc/cn-admin-division/)
- [The Internet Winter](/en/misc/internet-winter/)
- [Understanding the Internet](/en/misc/internet-understand/)
- [Several Levels of Learning Knowledge](/en/misc/learn-knowledge/)
- [Understanding Character Encoding](/en/misc/character-encoding/)
- [Starting from /0: Understanding Errors and Exceptions](/en/misc/divide-by-zero/)
- [Tag Classification Theory](/en/misc/tag-taxonomy/)
- [Overview of Sorting Algorithms](/en/misc/sort-algorithm/)
- [Baiji 1509 Training Reflections](/en/misc/alibaba-baiji/)
- [2014 Year-End Summary](/en/misc/2014/)
- [On Computational Thinking](/en/misc/computataional-thinking/)
- [In Praise of Mathematics](/en/misc/math-be-praised/)
- [2013 Year-End Summary](/en/misc/2013/)
- [Computer Networks and Logistics Systems](/en/misc/computer-network/)
- [Worldview, Values, and Life Philosophy](/en/misc/values-views/)
- [On the Hierarchy of Knowledge](/en/misc/knowledge-hierarchy/)
- [Thinking Characteristics of Eastern and Western People](/en/misc/east-west/)
- [What Exactly Are Natural Numbers?](/en/misc/nature-number/)
- [Views on Love](/en/misc/on-love/)