Federico Corrado Ghedina Crepo fedeghe

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I'm working from home

...the wheel's sentence is the second biggest trap our mind can fall into... first one is AI

fedeghe / DateFormatValidation.js

Last active May 21, 2024 08:36

date format validation

	const testone = require('@fedeghe/testone');

	const validDate = value => {
	const plainValue = value.replace(/[^\d]/g, ' ');
	const elements = plainValue.split(/\s/).map(i => parseInt(i, 10));
	// must find month < 13
	const foundMonth = elements.findIndex(e => e > 0 && e < 13);
	if (foundMonth < 0) return false;
	// must find another value in [1,31]
	const foundDate = elements.findIndex(

fedeghe / genPwd.js

Created March 22, 2024 20:08

Password generaator

	const genPassword = (i,u,l) => {
	function* getPassword(i, u, l) {
	function* gen(start, end, len) {
	while(len--)
	yield start + ~~(Math.random() * (end-start));
	}
	yield* gen(48, 57, i);// 0..9
	yield* gen(65, 90, u);// A..Z
	yield* gen(97, 122, l);// a..z
	}

fedeghe / getSplitter.js

Created November 26, 2022 20:21

getSplitter

	var testone = require('@fedeghe/testone'),
	benchs = [
	{
	in: ['"', ',', `a,,"a;.b,c",1.4.3.2,3,r,"c.,d r;t",s`],
	out: [
	'a', '', '"a;.b,c"', '1.4.3.2', '3', 'r', '"c.,d r;t"', 's'
	]
	},{
	in: ["'", ';', `a;;'a,b;c';r;'c.,d r;t';s`],
	out: [ 'a', '', "'a,b;c'", 'r', "'c.,d r;t'", 's' ]

fedeghe / findInsertIndex.js

Last active April 4, 2022 09:52

find insert index in a sorted array

	/**
	* Implements in place binary search. O(log n)
	* optional comparator can be passed
	*/
	function findInsertIndex(a, item, smaller) {
	var l = 0,
	len = a.length,
	r = len - 1,
	m;
	smaller = smaller \|\| function(a, b, strict){

fedeghe / test.js

Last active April 6, 2022 13:14

Quick benchmarking utility function

	/**
	// HOW TO USE IT
	const test = require('./wherever/it/is/test')
	function myFunc1 (a,b) { ... }
	function myFunc2 (a,b) { ... }
	const benchs = [{
	in: [[1,2,3.4], 'test'],
	out: true
	}, ...]
	test(

fedeghe / scrollableTable.html

Last active January 14, 2022 22:12

full scrollable table

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<title></title>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style>
	html {
	overflow-y: scroll;

fedeghe / uniqueID.js

Created August 17, 2020 06:34

dummy function to generate uniq ids

fedeghe / hyperbookmarlet.js

Last active May 9, 2022 10:25

Generate a higher order bookmarklet which allows to generate any bookmarklet really quickly

	console.log("javascript:void "+encodeURIComponent(`function _(){var code=prompt('Paste here Your code'),bm="javascript:void(function(){"+encodeURIComponent(code+'')+"}())";if(code){if(bm.length>2e3){alert('The resulting code looks quite long to be printed in a prompt, the output will be written in the console, please copy it from there');console.log(bm)}else{prompt("Here's the bookmarklet code",bm)}}else{alert('No code given')}}()`))

	// which gives
	/**
	javascript:void function%20_()%7Bvar%20code%3Dprompt('Paste%20here%20Your%20code')%2Cbm%3D%22javascript%3Avoid(function()%7B%22%2BencodeURIComponent(code%2B'')%2B%22%7D())%22%3Bif%20(code)%7Bif%20(bm.length%20%3E%202e3)%20%7Balert('The%20resulting%20code%20looks%20quite%20long%20to%20be%20printed%20in%20a%20prompt%2C%20the%20output%20will%20be%20written%20in%20the%20console%2C%20please%20copy%20it%20from%20there')%3Bconsole.log(bm)%7Delse%7Bprompt(%22Here's%20the%20bookmarklet%20code%22%2Cbm)%7D%7Delse%7Balert('No%20code%20given')%7D%7D()
	**/
	// save a bookmar

fedeghe / check_duplicate_ids.js

Last active May 1, 2019 19:34

spot duplicate ids

fedeghe / searchHash.js

Last active July 5, 2018 23:48

A function to search deep for keys and/or values also using regexp

	var searchHash = (function () {

	// some utility func
	function jCompare(obj1, obj2) {
	return !isNode(obj1)
	&& typeof JSON !== 'undefined' ?
	JSON.stringify(obj1) === JSON.stringify(obj2)
	:
	obj1 == obj2;
	}