ricardopereira

let gradient = CAGradientLayer()

gradient.frame = tableView.superview?.bounds ?? CGRectNull
gradient.colors = [UIColor.clearColor().CGColor, UIColor.clearColor().CGColor, UIColor.blackColor().CGColor, UIColor.blackColor().CGColor, UIColor.clearColor().CGColor, UIColor.clearColor().CGColor]
gradient.locations = [0.0, 0.15, 0.25, 0.75, 0.85, 1.0]
tableView.superview?.layer.mask = gradient

tableView.backgroundColor = UIColor.clearColor()

leakypixel

// ==UserScript==
// @name        always_mobile_wikipedia
// @namespace   https://gist.github.com/leakypixel
// @description Redirect desktop Wikipedia to mobile
// @author      leakypixel
// @include     http://*.wikipedia.org/*
// @include     https://*.wikipedia.org/*
// @version     0.2
// @grant       none
// ==/UserScript==

TheCodedSelf

import UIKit

// Create an alert controller
let alertController = UIAlertController(title: "Alert", message: "Please enter text", preferredStyle: .alert)

// Create an OK Button
let okAction = UIAlertAction(title: "OK", style: .default) { (_) in
    // Print "OK Tapped" to the screen when the user taps OK
    print("OK Tapped")
}

henning-jh

extension MyLoginViewController: ASAuthorizationControllerPresentationContextProviding {
     func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {
          return self.view.window!
     }
}

carson-katri

extension String {
    func foregroundColor(_ color: UIColor) -> NSAttributedString {
        NSAttributedString(string: self, attributes: [.foregroundColor : color])
    }
    func background(_ color: UIColor) -> NSAttributedString {
        NSAttributedString(string: self, attributes: [.backgroundColor: color])
    }
    func underline(_ color: UIColor, style: NSUnderlineStyle = .single) -> NSAttributedString {
        NSAttributedString(string: self, attributes: [.underlineColor: color, .underlineStyle: style.rawValue])
    }

atereshkov

class ResumableTimer: NSObject {

    private var timer: Timer? = Timer()
    private var callback: () -> Void

    private var startTime: TimeInterval?
    private var elapsedTime: TimeInterval?

    // MARK: Init

artemnovichkov

public extension UserDefaults {

    var overridedUserInterfaceStyle: UIUserInterfaceStyle {
        get {
            UIUserInterfaceStyle(rawValue: integer(forKey: #function)) ?? .unspecified
        }
        set {
            set(newValue.rawValue, forKey: #function)
        }
    }