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Swift 2021-11-13 00:12:11
swift credit card validate
enum CardType: String { case Unknown, Amex, Visa, MasterCard, Diners, Discover, JCB, Elo, Hipercard, UnionPay static let allCards = [Amex, Visa, MasterCard, Diners, Discover, JCB, Elo, Hipercard, UnionPay] var regex : String { switch... Add solution -
Other 2021-11-12 11:10:17
how to convert #c0392b to color in flutter
extension HexColor on Color { /// String is in the format "aabbcc" or "ffaabbcc" with an optional leading "#". static Color fromHex(String hexString) { final buffer = StringBuffer(); if (hexString.length == 6 || h... Add solution -
Javascript 2021-11-04 09:26:22
convert base64 string to byte array javascript
Try this: function _base64ToArrayBuffer(base64) { var binary_string = window.atob(base64); var len = binary_string.length; var bytes = new Uint8Array(len); for (var i = 0; i < len; i++) { bytes[i] = binary_string.charCodeAt(i);... Add solution -
Java 2021-11-03 22:59:07
java remove first character
String string = "Hello World"; //Remove first character string.substring(1); //ello World //Remove last character string.substring(0, string.length()-1); //Hello Worl //Remove first and last character string.substring(1, string.length()-1); /... Add solution -
Javascript 2021-10-28 16:11:06
trim comma in javascript
let myString = "string,with,trailing,comma,"; // remove the last character of the string (regardless of what it is) myString.substr(0, myString.length-1) // remove only a comma if it appears at the end of the string myString.replace(/,$/, &quo... Add solution