hujunfeng

101 Keynote
102 Platforms State of the Union
10004 Expanding automation with the App Store Connect API
10005 What's new in assessment
10006 Introducing Car Keys
10008 Optimize the Core Image pipeline for your video app
10009 Edit and play back HDR video with AVFoundation
10010 Export HDR media in your app with AVFoundation
10011 Author fragmented MPEG-4 content with AVAssetWriter
10012 Discover ray tracing with Metal

hujunfeng

101 Keynote
103 Platforms State of the Union
104 Apple Design Awards
202 Using Core Data With CloudKit
203 Introducing Desktop-class Browsing on iPad
204 Introducing SwiftUI: Building Your First App
205 Introducing iPad Apps for Mac
206 Introducing SF Symbols
207 Introducing SiriKit Media Intents
208 Creating Independent Watch Apps

hujunfeng

import Darwin

/// A struct for reading device model names for iOS devices.
public struct Hardware {

    public let machine: String

    public init() {
        machine = Hardware.getSystemInformation("hw.machine")
    }

hujunfeng

101 WWDC 2018 Keynote
102 Platforms State of the Union
103 Apple Design Awards
201 Creating Apps for a Global Audience
202 What's New in Cocoa Touch
203 I Have This Idea For An App...
204 Automatic Strong Passwords and Security Code AutoFill
205 Advances in Research and Care Frameworks
206 What's New in watchOS
207 Strategies for Securing Web Content

hujunfeng

101 - WWDC 2017 Keynote
102 - Platforms State of the Union
201 - What's New in Cocoa Touch
202 - Advances in TVMLKit
203 - Introducing Drag and Drop
204 - Updating Your App for iOS 11
205 - What's New in watchOS
206 - Introducing Password AutoFill for Apps
207 - What's New in Cocoa
208 - Natural Language Processing and your Apps

hujunfeng

# Reset branch with remote branch (or force pull)

$ git fetch origin master
$ git reset --hard FETCH_HEAD
$ git clean -df

# Altering `master` to whatever branch you want to be following.

hujunfeng

/// A type that supports an "empty value"
protocol EmptyValuable {
    /// Returns the empty value of `Self`
    static var emptyValue: Self { get }
}

extension String: EmptyValuable {
    static var emptyValue: String {
        return ""
    }

hujunfeng

101 - Keynote
102 - Platforms State of the Union
103 - Apple Design Awards
201 - Internationalization Best Practices
202 - What's New in Accessibility
203 - What's New in Cocoa
204 - iMessage Apps and Stickers, Part 1
205 - What's New in Cocoa Touch
206 - What's New in tvOS
207 - What's New in Foundation for Swift

hujunfeng

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>PreferenceSpecifiers</key>
	<array>
		<dict>
			<key>DefaultValue</key>
			<string></string>
			<key>Key</key>

hujunfeng

import Darwin

extension Int {
    static func random() -> Int {
        return Int(arc4random_uniform(UInt32(Int.max)))
    }

    static func random(range: Range<Int>) -> Int {
        return Int(arc4random_uniform(UInt32(range.endIndex - range.startIndex))) + range.startIndex
    }