adagio

lazy var persistentStoreCoordinator: NSPersistentStoreCoordinator = {
  
  // ..
  
  let containerURL = fileManager.containerURLForSecurityApplicationGroupIdentifier("group.com.myapp.MyApp")
  let groupURL = containerURL!.URLByAppendingPathComponent(databaseName)
  
  // .. 
  
}

adagio

let store = try coordinator.addPersistentStoreWithType(NSSQLiteStoreType, configuration: nil, URL: groupURL, options: options)

adagio

try coordinator.migratePersistentStore(store, toURL: groupURL, options: options, withType:NSSQLiteStoreType)

adagio

notification.userInfo = [ "notificationId": myNotificationId ]

adagio

let userInfoCurrent = notification.userInfo! as! [String:AnyObject]
let uid = userInfoCurrent["notificationId"]! as! String
if uid == targetNotificationId {
    // aplicamos alguna acción aquí                
}

adagio

let id = thought.valueForKey("id") as! String

if let cachedImage = ImageCache.sharedCache.imageForKey("image-\(id)") {
    cell.picture.image = cachedImage
} else {
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), {
        
        let scaledImage = Helper.scaleUIImageToSize(image!, size: size)
        ImageCache.sharedCache.setImage(scaledImage, forKey: "image-\(id)")
        dispatch_async(dispatch_get_main_queue(), {

adagio

Machine Learning at Coursera by Andrew Ng

• Week 1

• Week 2

• Week 3

• Week 4

adagio

var str = "Hello, playground"
var strings = [String]()

str.characters.map{strings.append(String($0))}

adagio

final _color1 = Colors.red;
final _color2 = Colors.blueGrey[900];
final _color3 = Colors.amberAccent;
final _color4 = Colors.pink.shade50;
//final _color5 = Colors.lightRed;
final _color6 = Colors.transparent;

final _color7 = const Color(0xFF013487);
final _color8 = const Color(0xFF4CD132);
//final _color9 = const Color(0xFF0134GG);

adagio

Flutter course in Udacity

course by Google

main topics

Lesson 1: The Flutter Framework

• Flutter Development Tools