Benet Joan Darder Canyelles kuratowsky

kuratowsky / keybase.md

Created February 10, 2020 09:35

I hereby claim:

To claim this, I am signing this object:

kuratowsky / gist:6e027fd2270d5bf5ac4ee41764e4bfdb

Last active June 4, 2023 09:51 — forked from shekarsiri/gist:2822b0958e967860ed07d2d63529ffeb

UITextField accept only numbers to certain limits (Swift 5 Tested.)


	// let MAX_LENGTH_PHONENUMBER = 15
	// let ACCEPTABLE_NUMBERS = "0123456789"

	func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {

	let newLength: Int = textField.text!.count + string.count - range.length
	let numberOnly = NSCharacterSet.init(charactersIn: ACCEPTABLE_NUMBERS).inverted
	let strValid = string.rangeOfCharacter(from: numberOnly) == nil
	return (strValid && (newLength <= MAX_LENGTH_PHONENUMBER))

kuratowsky / calcDistance.js

Created December 11, 2015 17:06

Cálculo de distancia expresada en km, entre dos coordenadas GPS.

	function calcDistance(lat1, lon1, lat2, lon2){
	rad = function(x) {return x*Math.PI/180;}

	var R = 6378.137;//Radio de la tierra en km
	var dLat = rad(lat2-lat1);
	var dLong = rad(lon2-lon1);

	var a = Math.sin(dLat/2) * Math.sin(dLat/2) + Math.cos(rad(lat1)) * Math.cos(rad(lat2)) * Math.sin(dLong/2) * Math.sin(dLong/2);
	var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
	var d = R * c;

kuratowsky / ProjectHelpers.java

Created December 11, 2015 17:01

Calcular distancia, expresada en KM, entre dos coordenadas GPS

	package com.benetjoandarder.helpers

	import java.text.DecimalFormat;

	public class ProjectHelpers {
	public static double calcDist(double lat1, double lon1, double lat2, double lon2){
	DecimalFormat df = new DecimalFormat("#.###");
	double R = 6378.137;//Radio de la tierra en km
	double dLat = Math.toRadians(lat2-lat1);
	double dLong = Math.toRadians(lon2-lon1);

kuratowsky / stringify.js

Created May 22, 2012 08:27

JSON Stringify - Convert JSON to String with the same JSON structure

	function stringify(obj) {
	var t = typeof (obj);
	if (t != "object" \|\| obj === null) {
	// simple data type
	if (t == "string") obj = '"'+obj+'"';
	return String(obj);
	}
	else {
	// recurse array or object
	var n, v, json = [], arr = (obj && obj.constructor == Array);

kuratowsky / getChildrenCategories.php

Created May 7, 2012 17:02

Get the children categories of a category

	<?php $catname =single_cat_title("",false);
	$catId= get_cat_ID($catname);?>
	<ul>
	<?php
	wp_list_categories("orderby=id&show_count=0&use_desc_for_title=1&child_of=$catId");
	?>
	</ul>

kuratowsky / gist:2575646

Last active March 15, 2017 00:43

This function creates Gmaps v3 bounds

	function createBounds(list){
	var maxlat=null, maxlng=null, minlat=null, minlng=null;
	jQuery(list).each(function (index, elem) {
	try {
	if (elem) {
	var lt = parseFloat(elem.lat), lg = parseFloat(elem.lng);
	if (lt != 0 \|\| lg != 0 \|\| !isNaN(lt) \|\| !isNaN(lg)) {
	maxlat = (maxlat==null)?lt:Math.max(maxlat, lt);
	maxlng = (maxlng==null)?lg:Math.max(maxlng, lg);
	minlat = (minlat==null)?lt:Math.min(minlat, lt);