cmoulton

import Alamofire

func makeGetCallWithAlamofire() {
  let todoEndpoint: String = "https://jsonplaceholder.typicode.com/todos/1"
  Alamofire.request(todoEndpoint)
    .responseJSON { response in
      // check for errors
      guard response.result.error == nil else {
        // got an error in getting the data, need to handle it
        print("error calling GET on /todos/1")

ollieatkinson

extension String {
    
    func unescapeHTMLEntities() throws -> String {
        
        guard contains("&#") else {
            return self
        }
        
        guard let data = data(using: .utf8) else {
            return self

erquhart

function flatten(arr) {
  return arr.reduce((acc, val) => acc.concat(Array.isArray(val) ? flatten(val) : val), []);
}

reitzig

extension Data {
    /**
     Consumes the specified input stream, creating a new Data object
     with its content.
     - Parameter reading: The input stream to read data from.
     - Note: Closes the specified stream.
     */
    init(reading input: InputStream) {
        self.init()
        input.open()

emckee4

//
//  Range+Extensions.swift
//  IntensityAttributingKit
//
//  Created by Evan Mckee on 3/23/16.
//  Copyright © 2016 McKeeMaKer. All rights reserved.
//

import Foundation

nathanborror

Using Swift Package Manager with iOS

Step 1:

File > New > Project...

Step 2:

Create a Package.swift file in your root project directory, add dependencies, then run swift package fetch on the command line in the same directory. We’re not going to run swift build because it will just complain.

seckincengiz

import UIKit

let scoresStringArray : [String] = ["Mike","Tom","Bily"]
let scoresDataArray = NSKeyedArchiver.archivedData(withRootObject: scoresStringArray)

//Save data
_ = Keychain.save(key: "scoresKey", data: scores)

//Load data
if Keychain.load(key: "scoresKey") != nil{

russbishop

// Paste me into a playground!

import Cocoa

//: # Basic Setup

protocol FancyProtocol {
    associatedtype Thing
    func holdPinkyUp(x: Thing)
}

h2ero

//: [Previous](@previous)
import AppKit
import XCPlayground

extension NSLayoutConstraint {
    convenience init(view item: NSView, to toItem: NSView, attribute: NSLayoutAttribute, constant c: CGFloat = 0) {
        self.init(item: item, attribute: attribute,
                  relatedBy: .Equal,
                  toItem: toItem, attribute: attribute,
                  multiplier: 1.0, constant: c)

danimal141

class Thunder { }
class Fire { }

protocol Pokemon {
    typealias PokemonType
    func attack(move: PokemonType)
}

struct Pikachu: Pokemon {
    typealias PokemonType = Thunder