lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision

soxjke

extension Signal where Error == NoError {
    public func sample(each timeInterval: DispatchTimeInterval,
                       on scheduler: DateScheduler = QueueScheduler()) -> Signal<[Value], NoError> {
        return Signal<[Value], NoError> { observer in
            let valueHolder : MutableProperty<[Value]> = MutableProperty<Value>([])
            let disposable = CompositeDisposable()
            var sampler: Signal<(), NoError>? = nil
            disposable += timer(interval: until, on: QueueScheduler()).startWithSignal { signal, _ in
                signal = innerSignal.map { _ in () }
            }

chriseidhof

import Cocoa
import MASShortcut

func pow() {
    let rect = NSScreen.mainScreen()?.frame
    let window = NSWindow(contentRect: rect!, styleMask: NSBorderlessWindowMask, backing: .Buffered, `defer`: false)
    window.backgroundColor = NSColor.clearColor()
    window.opaque = false
    window.alphaValue = 1
    window.makeKeyAndOrderFront(NSApplication.sharedApplication())

chriseidhof

import UIKit

// If you enjoyed this talk (video link will be up soon), then you might also enjoy our book Advanced Swift: http://www.objc.io/books/advanced-swift

struct Person {
    let name: String
    let city: String
}

let people = [

gwengrid

class Thunder { }
class Fire { }

protocol Pokemon {
    typealias PokemonType
    func attack(move:PokemonType)
}

struct Pikachu: Pokemon {
    typealias PokemonType = Thunder

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

TonnyXu

/*
This tips is extremely useful when you test your CoreData app in Unit Test.
*/


// iOS app is an executable bundle, means the `main` method is 
// included inside app bundle, so `mainBundle` returns the app bundle
//
// See doc at https://developer.apple.com/library/ios/#documentation/Cocoa/Reference/Foundation/Classes/NSBundle_Class/Reference/Reference.html#//apple_ref/doc/uid/TP40003624
NSBundle *appBundle = [NSBundle mainBundle];