Peter Vivo Pengeszikra

Pengeszikra / say.js

Created December 5, 2020 20:44

javascript speak API

const say = sentence => speechSynthesis.speak(new SpeechSynthesisUtterance(sentence));

Pengeszikra / poisson.js

Created December 2, 2020 21:44

	const fact = n => n ? fact(n - 1) * n : 1;
	const poisson = (l, k) => (l ** k / fact(k)) * Math.E ** -l;

Pengeszikra / binomial.js

Created December 2, 2020 21:05

Binomial

	const fact = n => n ? fact(n - 1) * n : 1;
	const coefficients = (n,k) => Math.round(fact(n) / (fact(k) * fact(n - k)));
	const binomial = (p, n, k) => coefficients(n, k) * (p ** k) * ((1 - p) ** (n - k));

Pengeszikra / rust-start.sh

Created November 28, 2020 11:13

rust hot reloading development

cargo watch -x 'run' -q -c -d 1

Pengeszikra / lotto5variations.js

Created November 16, 2020 12:27

calc lotto 5 variatons

	const fact = n => n ? fact(n - 1) * n : 1;
	Math.round(fact(90) / (fact(5) * fact(90 - 5)) * (1 ** 5) * (1 ** 85)).toLocaleString();

Pengeszikra / railway.js

Created July 29, 2019 17:39

custom railway oriented programming core in javascript

	export const railway = (semaphore = () => false) => (begin, ...calls) =>
	calls.reduce(
	(value, call) => semaphore(value) ? value : call(value)
	, begin)
	;

Pengeszikra / pipe.js

Created July 22, 2019 10:31

simple pipe implementation

export default (inner, ...outers) => outers.reduce((result, calc) => calc(result), inner);

Pengeszikra / randomRadix32ID.js

Created April 28, 2016 08:45

five digit random radix32 ID ES6

	/* five digit random radix32 ID */
	function GUID32(){ return ('0'.repeat(5)+( ~~(Math.random() * parseInt( 10e4 , 32 )) ).toString(32).toUpperCase()).slice( -5 ) };

Pengeszikra / dices6.js

Created December 22, 2015 18:21

DICE ES6 syntax sugar

dice=$=>~~(Math.random()*($?$:6))+1

Pengeszikra / objectwalk.js

Last active November 8, 2022 05:28

ES6 object tree walk generator

	/* # use >> for( node of Object.walk( yourObject )) console.log( node )

	# or more >>

	let walk=[]; for( node of Object.walk( yourObject , o => isHaveRoutes( o ) ) ) if(isProperWay(node)) walk.push( node )

	# recursive generator for Object, avoide circular structure by set.

	*/