A benchmark for evaluating LLMs on open-ended CS problems. Exploring the Next Frontier of Computer Science.

Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~8KB min+gz.

A collection of numeric types and traits for Rust.

Turso is an in-process SQL database, compatible with SQLite.

A production ready example Flask app that's using Docker and Docker Compose.

The ASPLOS 2025 / EuroSys 2025 Contest Track

A small rust library for adding custom derives to enums

FastAPI Tips by The FastAPI Expert!

A computer science textbook

Efficient state-based CRDT replication and anti-entropy

Scientific computing in pure Crystal

Google Coding Competitions problem archive

Learn the Zig programming language by fixing tiny broken programs.

Source code of the book "Develop A Transaction System" (in Japanese).

Let AI agents browse the web. An autonomous toolkit for browser-based AI agents.

Library of my solutions for various programming contests

This is an online course where you can learn and master the skill of low-level performance analysis and tuning.

System design patterns for machine learning

Home to the design and engine of the @Lux-AI-Challenge Season 1, hosted on @kaggle

Codingame Challenge Post-Mortem

Algorithm Library for Crystal

Booting Process Explained

Crystal ORM using ActiveRecord pattern with flexible query DSL

A book series (2 published editions) on the JS language.

Make images smaller using best-in-class codecs, right in the browser.

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

A catalogue of Rust design patterns, anti-patterns and idioms

iikanji na showwin contest 1st (like ISUCON)

API Documentation Browser