suraphanL

//Local Notification
let content = UNMutableNotificationContent()
content.title = "Introduction to Notifications"
content.subtitle = "Session 707"
content.body = "Woah! These new notifications look amazing! Don’t you agree?"
content.badge = 1

//Remote Notification
 {
"aps" : {

suraphanL

UNUserNotificationCenter.current().getNotificationSettings { (settings) in // ... }

open class UNNotificationSettings : NSObject, NSCopying, NSSecureCoding {
    open var authorizationStatus: UNAuthorizationStatus { get }
    open var soundSetting: UNNotificationSetting { get }
    open var badgeSetting: UNNotificationSetting { get }
    open var alertSetting: UNNotificationSetting { get }
    open var notificationCenterSetting: UNNotificationSetting { get }
    open var lockScreenSetting: UNNotificationSetting { get }
    open var carPlaySetting: UNNotificationSetting { get }

suraphanL

//Registration
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool
    UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { (granted, error) in
        // Enable or disable features based on authorization.
    }
}
//UNAuthorizationOptions
public struct UNAuthorizationOptions : OptionSet {
    public init(rawValue: UInt)
    public static var badge: UNAuthorizationOptions { get }

suraphanL

var total = 0
for num in intArray {
  total = total + num
}

let totalByReduce = intArray.reduce(0) { total, num in total + num }

let totalByReduceShortHand = intArray.reduce(0, combine: { $0 + $1 })

let shortReduce = intArray.reduce(0, combine: +)

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let squaredMod = (1...10).map { $0 * $0 }.filter { $0 % 2 == 0 }

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let mod = intArray.filter { $0 % 2 == 0 }

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let mappedStrings = intArray.map { "\($0)" }

let squared = intArray.map { $0 * $0 }

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let intArray = [0, 1, 2, 3, 4]

let mappedStrings = intArray.map { (number) -> String in
  return "\(number)"
}

// ^ Result: ["0", "1", "2", "3", "4"]

let squared = intArray.map { (number) -> Int in
  return number * number

suraphanL

let fibs = [0, 1, 2, 3, 4]
var squared: [Int] = []
for fib in fibs {
  squared.append(fib * fib)
}

suraphanL

func convertArray(array: [Int]) -> [String]? {
  
  // Nothing to do. Exiting.
  guard array.count > 0 else { return nil}
  
  // Things to convert.
  var stringArray = [String]()
  
  for int in array {
    let string = "\(int)"