An overview of Claude Code’s native memory (Auto memory, CLAUDE.md), layered structure, and on-demand loading.

Something I saw on Zhihu about Chen Hao (aka “Haozi” / left ear).

Thoughts and events from the last couple of weeks.

Brushing up on agents.

Personal notes wrapping up 2025.

Weekly report for the last week of '25.

Weekly notes for this week.

ByteDance frontend engineering camp written exam.

learning notes of context engineering

Notes on two open problems for agents: real-time environment interaction and learning from experience.

Notes from the 2025 Berkshire Hathaway annual meeting.

If you set out while it’s still dark, the sky keeps brightening—everyone gains confidence.

Eino study notes—updated over time, or maybe not.

More Eino notes—continuing to learn and thinking about joining a hackathon.

Designer Ni Shuang on how he learns.

How to think about tariffs and a plunging stock market?

RPC learning notes.

Gold is not a productive asset; notes from Buffett, Chen Jiahe, and others.

Repost: Sedna source code walkthrough.

Read Fire Punch. Loved it.