Life & fun · November 11, 2015
Parinfer – a simpler way to write Lisp
In plain words
Parinfer is a tool designed to simplify writing Lisp code by automatically managing parentheses. It infers bracket placement based on indentation, reducing the manual syntax burden that typically makes Lisp challenging for newcomers. The tool is intended for programmers learning or working with Lisp who want a more streamlined coding experience. It stands out by automating parenthesis handling, letting developers focus on logic rather than bracket matching.
written from the facts on this page · September 2026
More life & fun this month
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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, November 2015
the whole month →
- SP
Life & fun · 2015 · dn.ht
