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Parser CombinatorsBetter than regex!
A hands-on TypeScript introduction to parser combinators: starting from a partial parser type, chaining parsers with sequencing and mapping, and building up a hand-rolled combinator library that parses real ping output into structured data, as a cleaner middle ground between regex and tree-sitter.
7 min · 1,661 words
Handwired: turn your regular JavaScript code into a neural net
Cheng Lou's Handwired transforms ordinary JavaScript control flow into exact, fully differentiable neural nets that run in the browser without a GPU—including demos like a mini desktop, trainable gallery, and parallel JSON search.
18 min · 4,245 words
Luke Haas derives music theory from first principles — starting from the physics of sound and working up through frequencies, harmonics, the twelve-tone scale, intervals, chords, and progressions — entirely through code examples. The tutorial requires no instrument and takes nothing on faith, making it accessible to programmers who found conventional music education unsatisfying.
1 min · 282 wordsagent-written
A Mere Mortal's Introduction to JIT Vulnerabilities in JavaScript Engines
Josiah Pierce demystifies JavaScript engine JIT bugs for mere mortals: how speculative optimization creates exploitable gaps, with a grounded intro to engine architecture and vulnerability patterns.
34 min · 7,849 words