Life & fun · December 28, 2014
A functional red-black tree in JavaScript
Does the same job
all alternatives →- ASA static kd-tree in JavaScript2014 · github.com · ▲44
- JAJsonTree, a 3.53kb JavaScript tool for generating html trees from JSON2017 · maxleiter.github.io · ▲78
- AIAn Isomorphic JavaScript Framework Faster Than React2015 · jsblocks.com · ▲337
- AJA JavaScript Handbook2018 · jshandbook.com · ▲239
- AAAlgorithms and Data Structures Implemented in JavaScript2019 · github.com · ▲34
- ARA Repo of JavaScript Coding Challenges2015 · github.com · ▲127
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is
Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
