Life & fun · September 18, 2011
Calculate MD5, SHA-1 in your browser using HTML5 and WebWorkers
Does the same job
all alternatives →- SCSHA1 Checksum Large Files with HTML5 Typed Arrays and Web Workers2011 · antimatter15.github.com · ▲47
- HDHasher - Developer's toolbox for Chrome2012 · chrome.google.com · ▲33
- PEParseHub – Extract data from dynamic websites2014 · parsehub.com · ▲143
- ASA simple way to make HTML websites2020 · john-doe.neocities.org · ▲200
- NBNapkin – Build back-end functions in the browser2021 · napkin.io · ▲158
- ITIncome Tax Calculator2015 · incometaxcalculator.net.in · ▲64
More life & fun this month
the category →- TL
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Photosynthesis fires two of your iPhone
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SoloUno▲310Take control of hair pulling, nail biting & skin picking
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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
Launched alongside, September 2011
the whole month →- HP
Life & fun · 2011 · hackerthings.com
- SF
Life & fun · 2011 · smozzy.com
- WA
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- PC
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- HN
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- FTFinal Touch▲194
Life & fun · 2011 · finaltouchapp.com