Writing since 2018San Francisco Bay Area

Notes on building things,& the life around it.

I’m Tony — a software engineer at LinkedIn, plus father, husband, and cat owner. I write about engineering, AI tools, product craft, family life, travel, and whatever survives the useful/interesting filter.

Browse all writingAbout me

01Tools

All tools Interactive
Personal workflowShareable

Share the tools behind your work.

Create a clear card of the AI tools you actually use, what each one does, and how the pieces fit together.

Create your card
  • Start from a familiar workflow template.
  • Add the tools and roles that fit your process.
  • Copy the card or share a link with your team.
Create a shareable AI workflow
OAuthRuns locally

Generate a PKCE verifier pair.

Create a code verifier and S256 code challenge for OAuth 2.0 flows, without sending secrets to a server.

Two values
  • Generate a fresh, URL-safe code verifier.
  • Derive its SHA-256 code challenge in the browser.
  • Copy the challenge into a manual OAuth request.
Open the PKCE generator
See all six tools

02Recent writing

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EssayNew

从零搭建一个广告实验平台

面向工程、数据和实验团队，从零讲清楚一个广告 A/B test 平台该怎么搭：核心组件、分流方式、事件记录和结果分析。

02
Essay

一个 A/B test 实验审查工具

重看了 Ron Kohavi 关于在线受控实验的材料，顺手做了个小工具：先查数据可不可信，再讨论要不要上线。

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03
Essay

My second brain setup

How I set up a private Markdown-first second brain with semantic search, AI agents, raw capture, and quiet automation.

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Browse all 31 pieces