sandofsky

import AVFoundation
import UIKit

class ViewController: UIViewController {

    var discoverSession:MyDiscoverySession = AVCaptureDevice.DiscoverySession(deviceTypes: [.builtInDualCamera, .builtInWideAngleCamera, .builtInTelephotoCamera], mediaType: .video, position: .back)

    @IBAction func didTapCrashButton(_ sender: Any) {
        let devices = discoverSession.myDevices
        print("Got devices: \(devices)")

sandofsky

import UIKit

protocol StoryboardBacked:class {
    static func newFromStoryboardWithName(name:String?, bundle:NSBundle?) -> Self
}

extension StoryboardBacked {
    static func newFromStoryboardWithName(name:String?, bundle:NSBundle?) -> Self {
        let realName = name ?? NSStringFromClass(self as AnyClass).componentsSeparatedByString(".").last!
        let storyboard = UIStoryboard(name: realName, bundle: bundle)

sandofsky

typealias Callback = () -> ()

// Both methods are required
class Something {
   var calledOnce:Callback?
   var calledMultipleTimes:Callback?
}

sandofsky

class ViewController: UITableViewController {
    var messages:[Message]?
    var timer:NSTimer?

    override func viewDidLoad() {
        super.viewDidLoad()
    }

    override func viewDidAppear(animated: Bool) {
        super.viewDidAppear(animated)

sandofsky

            let delay = 2.0 * Double(NSEC_PER_SEC)
            let time = dispatch_time(DISPATCH_TIME_NOW, Int64(delay))
            dispatch_after(time, dispatch_get_main_queue(), {
                
            })

sandofsky

# Different ways to hook into an action

class ExampleAPI
  def foo
    puts "Foo"
  end
end

# Option 1: alias_method_chain
class ExampleAPI

sandofsky

javascript:(document.body.innerHTML = document.body.innerHTML.replace(/HTML5/g,"Java Applet"))

sandofsky

require 'thread'
t = ARGV[0].to_i
c = ARGV[1].to_i
0.upto(t) do |i|
   thread = []
   0.upto(c) do |j|
     thread[j] = Thread.new { }
   end
   0.upto(c) do |j|
      thread[j].join

sandofsky

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>

void *dumb_thread();
main(int argc, char *argv[])
{
     int total = atoi(argv[1]);
     int concurrency = atoi(argv[2]);
     pthread_t pthread[concurrency];

sandofsky

require 'rubygems'
require 'rusage'
require 'pp'
require 'benchmark'
files = Dir['samples/**/*']
command = case ARGV[0]
  when 'gd2'
      require 'gd2'
      lambda do |file|
        GD2::Image.import(file).resize(128, 128).export('/dev/null', :format => :jpeg)