Python development with uv.

Python development with Poetry and pipx.

Summarize common type definition patterns in TypeScript as a quick reference.

Mongodb aggregate is a powerful operation in data query for analysis purpose and so on but I find I always need to refer to the official documentation or AI tools like ChatGPT or Perplexity for even very simple syntax when trying to compose aggregate operations, so I summarize some commonly used patterns as templates for quick reference at work.

Nodejs performance tips.

React fundamentals and pitfalls. Mostly from the official doc.

For newly installed ubuntu 22.04 on top of wsl2 under Windows 11, there are some issues such as no sound is output if opening a web page that plays audio, as well as that the CJK characters can not be displayed properly if the page has CJK characters, and here are some quick solutions.

Web workers and service workers are both types of JavaScript workers that run in the background, separate from the main browser thread. However, they serve different purposes and have distinct characteristics.

Debounce and throttle are both techniques used to control the frequency of function calls. However, they serve different purposes and have distinct characteristics.

Quick reference for commonly used terraform commands and how-tos.