yowu

package main

import (
	"flag"
	"io"
	"log"
	"net"
	"net/http"
	"strings"
)

andyshinn

{
    "require": {
        "mfacenet/hello-world": "v1.*"
    }
}

lopspower

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha:

michaelkeevildown

Credit Card Regex

• Amex Card: ^3[47][0-9]{13}$
• BCGlobal: ^(6541|6556)[0-9]{12}$
• Carte Blanche Card: ^389[0-9]{11}$
• Diners Club Card: ^3(?:0[0-5]|[68][0-9])[0-9]{11}$
• Discover Card: ^65[4-9][0-9]{13}|64[4-9][0-9]{13}|6011[0-9]{12}|(622(?:12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|9[01][0-9]|92[0-5])[0-9]{10})$
• Insta Payment Card: ^63[7-9][0-9]{13}$
• JCB Card: ^(?:2131|1800|35\d{3})\d{11}$
• KoreanLocalCard: ^9[0-9]{15}$

nunogoncalves

import UIKit
import PlaygroundSupport

//http://stackoverflow.com/questions/72768/how-do-you-detect-credit-card-type-based-on-number

enum CreditCardType {

    case visa
    case visaElectron
    case mastercard

nitin-agam

import UIKit

infix operator |: AdditionPrecedence
public extension UIColor {
    
    struct App {
        static let hyperLink = UIColor.colorWithHex(hex: "#FFFFFF")
        static let background = UIColor.white | UIColor.black
    }