robertmryan

// example for http://stackoverflow.com/a/26261978/1271826

// create scroll view

UIScrollView *scrollView = [[UIScrollView alloc] init];
scrollView.translatesAutoresizingMaskIntoConstraints = NO;
[scrollViewSuperView addSubview:scrollView];

// create container 1

robertmryan

extension NSMutableURLRequest {
    
    /// Populate the HTTPBody of `application/x-www-form-urlencoded` request
    ///
    /// :param: contentMap A dictionary of keys and values to be added to the request

    func setBodyContent(contentMap: [String : String]) {
        let parameters = map(contentMap) { (key, value) -> String in
            return "\(key)=\(value.stringByAddingPercentEscapesForQueryValue()!)"
        }

robertmryan

lazy var locationManager: CLLocationManager = {
    let manager = CLLocationManager()
    manager.requestWhenInUseAuthorization()
    return manager
}()

robertmryan

var thing = 0

func hi() {
    // Do something
    thing++
    print(thing)
}

@IBAction func somethingHi(sender: AnyObject) {
    hi()

robertmryan

var text: String!

override func viewDidLoad() {
    super.viewDidLoad()

    let url = NSBundle.mainBundle().URLForResource("test", withExtension: "json")!
    
    var files = [String : NSFileWrapper]()
    var error: NSError?
    files["file.json"] = NSFileWrapper(URL: url, options: nil, error: &error)

robertmryan

func myFunction() -> NSArray {
    var array: NSArray
    
    Synchronized(someObject) {
        // Stuff to do.
        // don't "return" the array, here, but just set that local var above
    }
    
    return array  // you can only "return" the `NSArray` object from outside the `Synchronized` closure
}

robertmryan

// original class

class A {
    var x: String
    init(x: String) {
        self.x = x
    }
}

// new class

robertmryan

class ViewController: UIViewController {

    var redView: UIView!
    var greenView: UIView!
    var blueView: UIView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        redView = UIView()

robertmryan

extension Range {
    
    /// Split range into an array of ranges of predetermined size.
    ///
    /// Adapted from http://stackoverflow.com/a/26691258/1271826
    ///
    /// - parameter every:   How many items per subrange
    /// - returns:           An array of Range objects
    
    func splitEvery(every: Element.Distance) -> [Range] {

robertmryan

@IBAction func calculateButton(sender: AnyObject) {
    if let value = Int(number.text!) {
        var isPrime = true
        
        if value == 1 {
            isPrime = false
        }
        
        for var i = 2; i < value; i++ {
            if value % i == 0 {