Tarik Uygun ttuygun

WWDC 2015-2018 Session Videos

For some reason some older WWDC session videos have been disappearing from Fruit Co's the developer site. Luckily Harish posted this this gist of URL's and titles. So I converted that JSON to this markdown doc.

Enjoy!

2018

102 – Platforms State of the Union – 2018 Platforms State of the Union
103 – Apple Design Awards – Join us for an unforgettable award ceremony celebrating developers and their outstanding work. The 2018 Apple Design Awards recognize state of the art iOS, macOS, watchOS, and tvOS apps that reflect excellence in design and innovation.

Interview Questions for iOS Developers

1. Classes vs structs

In Swift, structs are value types whereas classes are reference types. When you copy a struct, you end up with two unique copies of the data. When you copy a class, you end up with two references to one instance of the data. It’s a crucial difference, and it affects your choice between classes or structs. (+ Class extendable, struct does not.)

2. What’s the difference between `var` and `let`? Which one would you choose for properties in a struct and why?

Both let and var are for creating variables in Swift. let helps you create immutable variables (constants) while on the other hand var creates mutable variables.

3. What does the mutating keyword mean?

The mutating keyword lets callers know that the method is going to make the value change.

WWDC                                2006  2007  2008  2009
2010 2011 2012 2013 2014

Problem

You can't use bridging headers within a framework.

Solution 1 (umbrella header):

Xcode will automatically create umbrella header for you Cocoa Framework project. That will be the file named <FrameworkName>.h in the <FrameworkName> group/folder (where the rest of your sources are).

To include the required Obj-C header you need to set it as Public: select it in the project explorer (left pane) and change the property Target Membership (left—Inspectors—pane) from Project to Public.
Open umbrella header (<FrameworkName>.h) and import the required header as:

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

	@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

	.tabbrowser-tab .tab-close-button {
	opacity: 0;
	margin-left: -4.5px !important;
	margin-right: 2px !important;
	}

	.tabbrowser-tab:not(:hover) .tab-close-button {
	display: none;

	lane :build do
	gym(
	xcargs: "FASTLANE=true"
	)
	end

	import WatchConnectivity

	class WatchSessionManager: NSObject, WCSessionDelegate {

	static let sharedManager = WatchSessionManager()
	private override init() {
	super.init()
	}

	private let session: WCSession? = WCSession.isSupported() ? WCSession.default : nil

	public enum Direction {
	case forward
	case backward
	}

	internal var player: AVPlayer?

	private var isSeekInProgress = false
	private var chaseTime = kCMTimeZero
	private var preferredFrameRate: Float = 23.98

	import Foundation

	class AsyncOperation: Operation {
	enum State: String {
	case isReady, isExecuting, isFinished
	}

	override var isAsynchronous: Bool {
	return true
	}