I turn repetitive work into systems.

I'm DarXs (Ruohan Xiong), a craftsman who codes. In this workshop you'll find machines at work, handy tools, toys built for fun, and notes taken along the way.

Machines at work

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A news-tracking system for an investor

Collects, organizes and archives automatically. In daily use for four months.

A monitoring system for a factory

Repetitive online tasks, watched over by a system — running for 14 months straight.

Creations on display

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Word form filler

Built for my mom — upload a template, fill in the blanks, take the finished file

Math Latex

A practice platform that renders math problems in LaTeX

Texas Hold’em

Multiplayer web poker — shuffling, dealing and settling, all automated

Notes from the workbench

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June 5, 2023

GPT and the next generation of means of production

Starting from handicraft and automatic machines: who will own the models? Thoughts on the means of production in the GPT era.

April 18, 2023

A few ways to build a personal website

A collection of links for building a personal site — page generation, front-end and back-end frameworks, and deployment platforms.

March 24, 2023

Texas Hold’em — full-stack web development

Build notes from a Texas Hold’em web game: where the idea came from, architecture and stack, problems along the way, and future improvements.

DarXs, light before dawn

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Based in Shanghai. Piano for joy, creations for a living, tinkering without end.