tfrank64

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
        // Override point for customization after application launch.
        self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
        
        var nav1 = UINavigationController()
        var first = FirstViewController(nibName: nil, bundle: nil)
        nav1.viewControllers = [first]
        
        var second = SecondViewController(nibName: nil, bundle: nil)
        var nav2 = UINavigationController()

dduan

import UIKit

extension UISegmentedControl {
    func goVertical() {
        self.transform = CGAffineTransformMakeRotation(CGFloat(M_PI_2))
        for segment in self.subviews {
            for segmentSubview in segment.subviews {
                if segmentSubview is UILabel {
                    (segmentSubview as UILabel).transform = CGAffineTransformMakeRotation(CGFloat(-M_PI_2))
                }

tempire

// FAILURE
var array = [["name": "glen"]]
for item in array {
  item["rank"] = "advanced" // Generates an @lvalue error
}

// Even though array is immutable, it's of type <Array<Dictionary<String,String>>,
// item is assigned by let automatically.

leoShih

var startNumber = 240
var timer = Timer()
func runTime() {
        timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: (#selector(ViewController.tTimer)), userInfo: nil, repeats: true)
    }

@objc func tTimer() {
    if startNumber > 0 {
        startNumber -= 1
        numberLabel.text = String(startNumber)

Deub27

import UIKit

extension UIStackView {
    
    func removeAllArrangedSubviews() {
        
        let removedSubviews = arrangedSubviews.reduce([]) { (allSubviews, subview) -> [UIView] in
            self.removeArrangedSubview(subview)
            return allSubviews + [subview]
        }

bantic

func saveImage(image: UIImage, name:String) {
    let req = NSMutableURLRequest(url: NSURL(string:"http://127.0.0.1:3001/")! as URL)
    let ses = URLSession.shared
    req.httpMethod="POST"
    req.setValue("application/octet-stream", forHTTPHeaderField: "Content-Type")
    req.setValue(name, forHTTPHeaderField: "X-FileName")
    let jpgData = UIImageJPEGRepresentation(image, 1.0)
    req.httpBodyStream = InputStream(data: jpgData!)
    let task = ses.uploadTask(withStreamedRequest: req as URLRequest)
    task.resume()

benasher44

//
// Created by Ben Asher on 6/13/18.
// Copyright © 2018-present PlanGrid. All rights reserved.
//

import Foundation
import MapKit
import UserNotifications

#if swift(>=4.2)

th3m477

extension NSLayoutAnchor {
    @objc @discardableResult func eq(_ anchor: NSLayoutAnchor, _ constant: CGFloat = 0.0) -> NSLayoutConstraint {
        let c = constraint(equalTo: anchor, constant: constant)
        c.isActive = true
        return c
    }
    
    @objc @discardableResult func lte(_ anchor: NSLayoutAnchor, _ constant: CGFloat = 0.0) -> NSLayoutConstraint {
        let c = constraint(lessThanOrEqualTo: anchor, constant: constant)
        c.isActive = true

Pobe16

import SwiftUI
import UIKit
import YouTubePlayer

final class YouTubeView: UIViewRepresentable {
    
    typealias UIViewType = YouTubePlayerView
    
    @ObservedObject var playerState: YouTubeControlState