Bogidon

//
//  AnimatedGrowingTextView.swift
//  https://gist.github.com/Bogidon/632e265b784ef978d5d8c0b86858c2ee
//
//  Created by Bogdan Vitoc on 02/15/2017.
//  Distributed under the MIT License: https://gist.github.com/Bogidon/632e265b784ef978d5d8c0b86858c2ee#file-license
//

import UIKit

crisbit

let start = Date()
print("Elapsed time: \(start.timeIntervalSinceNow) seconds")

kandelvijaya

//: Playground - noun: a place where code can play

import UIKit

//Most precise time keeper
// for more information on the benchmarks go to www.kandelvijaya.com

func timeBlockWithMach(_ block: () -> Void) -> TimeInterval {
    var info = mach_timebase_info()
    guard mach_timebase_info(&info) == KERN_SUCCESS else { return -1 }

cuxaro

    func resizeImage(image: UIImage, newWidth: CGFloat) -> UIImage {
        
        let scale = newWidth / image.size.width
        let newHeight = image.size.height * scale
        
        UIGraphicsBeginImageContext(CGSize(width: newWidth, height: newHeight))
        
        
        image.draw(in: CGRect(x: 0, y: 0,width: newWidth, height: newHeight))
        let newImage = UIGraphicsGetImageFromCurrentImageContext()

radutzan

typealias ButtonAction = (button: UIButton) -> Void

class ButtonActionWrapper: NSObject {
    var action: ButtonAction
    
    init(action: ButtonAction) {
        self.action = action
    }
}

brianleroux

sns.publish({
  TargetArn: device.arn,
  MessageStructure: 'json',
  Message: JSON.stringify({
    default: 'you will never see this muah!',
    APNS_SANDBOX: JSON.stringify({
      aps: {
        'alert': '',
        'content-available': 1
      },

onmyway133

protocol P {
  init()
}

extension P {
  init(something: AnyObject) {
    self.init()
    print("P")
  }
}

lzell

// (string, swift, bytes, data, buffer, cstring)

print("--- using nulTerminated ---")
let x : String = "hello"
let buf = x.nulTerminatedUTF8
print(buf)

print("\n--- using [UInt8] ---")
let buf2 : [UInt8] = [UInt8](x.utf8)
print(buf2)

eddieespinal

    //This is the swift version of the following gist by @shexbeer https://gist.github.com/shexbeer/cb069d36ca8ec5edb515
    func cropCameraImage(original: UIImage, previewLayer: AVCaptureVideoPreviewLayer) -> UIImage? {
        
        var image = UIImage()
        
        let previewImageLayerBounds = previewLayer.bounds
        
        let originalWidth = original.size.width
        let originalHeight = original.size.height
        

nazywamsiepawel

    func pauseAnimation(){
      var pausedTime = layer.convertTime(CACurrentMediaTime(), fromLayer: nil)
      layer.speed = 0.0
      layer.timeOffset = pausedTime
    }
    
    func resumeAnimation(){
      var pausedTime = layer.timeOffset
      layer.speed = 1.0
      layer.timeOffset = 0.0