Lei Huang

A personal travel narrative from Berlin tracing the forgotten grave of John Rabe—the German who saved over 200,000 lives during the Nanjing Massacre.

A two-day kayaking trip through Müritz National Park, one hour from Berlin by train.

A travelogue from a week hiking and climbing via ferrata across Italy's Brenta Dolomites — from Rifugio Tuckett to Agostini, with conversations along the way.

A conversation-driven note on what a tiny task queue teaches about batching, event loops, and DOM work.

A deep dive into how I used embeddings and LLMs to automate a complex product categorization migration.

Improving time-slicing with coroutine and JavaScript generators

Time-slicing With Continuation-passing Style to handle performance bottleneck

A practical RxJS walkthrough for building a typewriter effect by encoding time as streams of values.

A step by step guide to implement a Trie in JavaScript

This article aims to teach you how to implement lenses in vanilla JavaScript.

An RxJS walkthrough for modeling parabolic animation as streams of time and position.