Tutorials

Parser combinators are a functional programming technique for building text parsers by combining small, pure functions. This guide builds parsers in TypeScript step by step, from a number parser to sequence, transformation, repetition, and variable-length combinators. It also compares combinator-based parsing with regex and traditional parser generators.

Furifont embeds furigana directly in the font using OpenType contextual substitutions and stylistic sets, with no extra HTML or CSS. Anthony Fu’s project shows how a font can resolve, from its own GSUB tables, an annotation that until now depended on external markup. It’s also a reusable example of font engineering for other scripts with phonetic annotation.

Pele is an open source library that converts Mermaid syntax into CSS-themeable SVG, without the 23 dependencies of Mermaid.js. It weighs 230 kB gzip and renders in under a millisecond.

Jellyfin is the self-hosted streaming server that replaces Netflix and Disney+ without monthly fees. This guide explains how to install it with Docker, organize your library, and avoid the most common mistakes when building your first home media server.