Life & fun · November 26, 2019
patchbay.pub – Poor man's ngrok/IFTTT/serverless
Does the same job
all alternatives →- SISocketCluster.io – flexible open-source real-time server with pub/sub2016 · socketcluster.io · ▲217
- WDWhich DNS servers are you pointing to?2020 · which.nameserve.rs · ▲283
- NANchan – a pub/sub server as an Nginx module2015 · nchan.slact.net · ▲149
- JAJam, an Open Source Clubhouse (w/ WebRTC)2021 · jam.systems · ▲317
- SAShortly, a serverless pastebin2012 · lucaspiller.github.com · ▲58
- FPFx - Poor man's serverless framework2017 · github.com · ▲53
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
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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