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Software engineer. One-track lover down a two-way lane

How does set theory help to understand type assignability and resolution in TypeScript?

去年下半年在 CMU 最后一个学期的 Practicum 中，帮 Adobe 移植一个浏览器里的内存泄漏检测工具 BLeak 到 NodeJS，我们取名叫 NLeak ，它将内存中连续几次的 Heap Snapshot 做比对，来找出内存泄漏的源头并标记在 source map…

A post on what helped me grow into a staff engineer in 1.5 years at Google.

Thoughts on why DRI is a better term than Owner even when we intend to mean the same thing.

An attempt to reason about the complexity of ML runtime infrastructure from first principles.

What I wish I knew before starting this journey. Thoughts on prompt engineering, data and evals, iteration velocity, guardrails, and product-market fit.

A "theory of everything" on how to be great: the most important lessons in my life so far.