Herman

I am interested in AI(especially LLMs), software architecture, and developer tooling. I love building things and sharing what I learn.

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March 24, 2026

你以为自己在做 Agent，其实你在做 Harness

拆解一个 coding agent 是如何一步步长出来的

AIagentsLLMs

March 18, 2026

Linear Regression, From the Ground Up

Loss surfaces, gradient descent, and why the geometry of L1 and L2 regularization actually matters.

MLoptimizationlinear-algebra