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This is a place where I share technical and fun stuff.

Featured

• Upgrading React Exposes Problems But That’s a Good Thing(zh)

  Updated: 26 Jul, 2025

  What I learned from handling a Frontend bug and working in a team

• Save My Team From Writing Python Like It Is 2010

  Updated: 26 Jul, 2025

  On Python formatting, typing, and the tooling gap in real-world teams.

• An Interesting Experience Debugging Go API Performance

  5 Apr, 2025

  Unexpected and humorous results from investigation of high CPU usage of Go API.

Recent Posts

• Graph

  Updated: 29 Aug, 2025

  Notes of graph algorithms and applications

• The Demystification of The Work of Programmers(zh)

  Updated: 21 Aug, 2025

  When the job no longer excites me so much, I realize I am outstanding.

• Setting Up A New Mac

  Updated: 19 Aug, 2025

  Softwares, tools and config files to install on a new MacBook

• Segment Tree

  10 Aug, 2025

  Building Segment Tree in recursive and iterative approaches. And its Applications.

• Optimizing Hive Query

  8 Aug, 2025

  Too many CTEs causes performance issue, which makes the Spark job hanging. How it can be optimized using CASE WHEN

• Clair Obscur Expedition 33(zh)

  Updated: 3 Aug, 2025

  Review of Clair Obscur Expedition 33