https://firebase.google.com/docs/admob/ios/quick-start * Podfilesource 'https://github.com/CocoaPods/Specs.git' platform :ios, '9.0' use_frameworks! pod 'Firebase/Core' pod 'Firebase/AdMob' target 'Demo' do pod 'Firebase' end $ pod install * AppDelegate.swift import Firebase import UIKit @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func applica..

http://stackoverflow.com/questions/22214843/ios-7-difference-between-viewdidload-and-viewdidappear/22215127#22215127 전부 이해는 못하더라도 전체적인 흐름정도는 익히는 것도...

func MultiReturn() -> (String, Int, NSDate) { let name = "MultiReturn" let age = 25 let date = NSDate() return (name, age, date)} print(MultiReturn().0)print(MultiReturn().1)print(MultiReturn().2)

버튼을 클릭했을 경우 화면에 해당 collectionViewCell 위치로 이동할 수 있게 한다. @IBAction func time00(sender: AnyObject) { self.collectionview?.scrollToItemAtIndexPath(NSIndexPath(forItem: 0, inSection: 0), atScrollPosition: .Left, animated: true) } forItem 은 이동하는 셀로우 : IndexPath.row 라고 생각하면 될 듯..atScrollPosition 은 화면에 어떤 위치를 기준으로 삼아서 해당 셀을 보여 줄 것인지 : .Top, .Bottom, .Left, .Right

http://stackoverflow.com/questions/28148843/ios-autolayout-two-buttons-of-equal-width-side-by-side

* Send class SendClass { struct sendStruct { var name: String var age: String } var sendArray = [sendStruct]() func SendFunction() -> Array { return sendArray } } * Receiveclass RecevieClass { struct ReceiveStruct { var name: String var age: String } var ReceiveArray: Array = [ReceiveStruct]() let Send = SendClass() ReceiveArray = Send.SendFunction().map { ReceiveStruct(name: $0.name, age: $0.ag..