Paolo Redaelli personal blog

Author: Paolo Redaelli

Javascript insanity?

On Facebook they write I enjoy JavaScript but this is insanity Welcome to a language that has approximate math as the only math you can use. In fact 7110 / 100 * 100 is 7109.99999999 because the first division cannot be exactly represented with with a floating point representation. Sites like https://baseconvert.com/ieee-754-floating-point come handy… Those are…

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https://foodtimeline.org/

Sequence diagrams

I neede to draw some sequence diagrams. Many people use presentation software like LibreOffice Impress or drawing software but I’m lazy and slow with those programs. Let’s add that I want to use them in a reveal.js presentation. So I asked DuckDuckGo, discovering https://github.com/denniskniep/reveal.js-plugin-sequence-diagrams which uses https://bramp.github.io/js-sequence-diagrams/. The latter in particular is really a smart…

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Blacklight da lealternative.net

Quello che fa questo sito è semplicemente spettacolare ed il suo utilizzo è estremamente semplice. Questo tool analizzerà qualsiasi sito che inserite e lo passerà… ai raggi ultravioletti! Vi dirà per filo e per segno cosa contiene quel sito e quanto tenterà di seguirvi e di tracciarvi se non userete adeguate protezioni (come una valida alternativa a Chrome, ad esempio).

Manim, or animatic math

Have you ever wondered how the author of 3Blue1Brown created his fantastic videos where he explains the beauties of mathematics? He wrote his own animation program and released it as free sw! Manim A community maintained Python library for creating mathematical animations. https://github.com/3b1b/manim