ivan-magda

//: Explore an alternative approach to building the networking layer of an app from [Swift Talk #1 episode](https://talk.objc.io/episodes/S01E01-networking).
//: They make use of Swift's generics and structs to end up with simple, testable code.
//:
//: In this playground we are searching for photos by a specific tags with [Flickr API](https://www.flickr.com/services/api/flickr.photos.search.html).

import UIKit
import XCPlayground

//: `Resource` struct, which is generic over the result type. This struct has two properties: the URL of the endpoint, and a parse function. The parse function tries to convert some data into the result:

ivan-magda

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

ivan-magda

{
   "AF":"Afghanistan",
   "AL":"Albania",
   "DZ":"Algeria",
   "AS":"American Samoa",
   "AD":"Andorra",
   "AO":"Angola",
   "AI":"Anguilla",
   "AQ":"Antarctica",
   "AG":"Antigua and Barbuda",

ivan-magda

"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np

# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)

ivan-magda

import Foundation
import CoreData

public class CoreDataContextObserver {
    public typealias ActionCompletionBlock = (NSManagedObject, State) -> Void
    public typealias ContextChangeBlock = (Foundation.Notification, [ObjectChange]) -> Void

    public struct State: OptionSet {
        public let rawValue: Int

ivan-magda

import Foundation

private final class WeakBox<T: AnyObject> {
    weak var value: T?

    init(_ value: T) {
        self.value = value
    }
}

ivan-magda

import UIKit

class RootNavigationManager {
    private(set) weak var window: UIWindow?

    func start(_ window: UIWindow) {
        self.window = window
        window.rootViewController = navigationController
        window.makeKeyAndVisible()
    }

ivan-magda

//
//  Created by Ivan Magda on 25/10/2018.
//  Copyright © 2018 Ivan Magda. All rights reserved.
//

import Foundation

final class ReadWriteLock {
    private var rwlock: pthread_rwlock_t = {
        var rwlock = pthread_rwlock_t()

ivan-magda

[ 
  {
    "id":1,
    "type": "score",       
    "time": 0,   
    "episode": 1,
    "episode_time": 0,
    "score" : [0,0]       
  },
  {

ivan-magda

[
    {
        "id":2,
        "poll_id":2,
        "type": "poll_started",
        "time": 1,
        "episode": 1,
        "episode_time": 0,
        "subject" : {
            "title": "Sportscaster",