chriswebb09

import UIKit

typealias JSON = [String : Any]
fileprivate let imageCache = NSCache<NSString, UIImage>()

extension NSError {
    static func generalParsingError(domain: String) -> Error {
        return NSError(domain: domain, code: 400, userInfo: [NSLocalizedDescriptionKey : NSLocalizedString("Error retrieving data", comment: "General Parsing Error Description")])
    }
}

chriswebb09

import UIKit
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true

class APIClient {
    
    typealias JSON = [String: Any]
    
    static func search(for query: String, page: Int, completion: @escaping (_ responseObject: JSON?, _ error: Error?) -> Void) {

chriswebb09

#!/usr/bin/env python*
# -*- coding: UTF-8 -*-

import requests
import sys
import re

class WebCrawler:

    def __init__(self):

chriswebb09

enum Transaction {
    case deposit, withdraw
}

class Bank {
    
    typealias Account = (String, Double)
    typealias AccountTransaction = (Double, Account) -> Account
    
    static func deposit(amount : Double, account : (name : String, balance : Double)) -> Account {

chriswebb09

import UIKit

typealias JSON = [String: Any]

final class iTunesAPIClient: NSObject {
    
    var activeDownloads: [String: Download]?
    weak var defaultSession: URLSession? = URLSession(configuration: .default)
    
    // MARK: - Main session used

chriswebb09

   func testDataStore() {
        
        let dataSource = iTrackDataStore(searchTerm: "new")
        let expect = expectation(description: "Data store calls APIClient to access server data and returns iTrack data array.")
        
        dataSource.searchForTracks { tracks, error in
            XCTAssert(tracks?.count == 49)
            expect.fulfill()
        }

chriswebb09

import UIKit

typealias TreeNode = TreeElement<Int>

enum Color { case r, b }

indirect enum TreeElement<T: Comparable> {
    
    case empty
    case node(Color, TreeElement<T>, T, TreeElement<T>)

chriswebb09

import UIKit

func insertionSort(values: [Int]) {
    var valuesArray = values
    
    for i in 1...valuesArray.count - 1 {
        let nextItem = valuesArray[i]
        var currentIndex = i - 1
        while currentIndex >= 0 && valuesArray[currentIndex] > nextItem {
            valuesArray[currentIndex + 1] = valuesArray[currentIndex]

chriswebb09

import UIKit

class ViewController: UIViewController {

    let viewOne = UIView()
    let viewTwo = UIView()
    let intermediaryView = UIView()
    let viewSuper = UIView()
    
    override func viewDidLoad() {

chriswebb09

import UIKit 

protocol ImageDownloadProtocol {
    func downloadImage(from url: URL, completion: @escaping (UIImage?) -> Void)
}

extension ImageDownloadProtocol {
    func downloadImage(from url: URL, completion: @escaping (UIImage?) -> Void) {
        let session = URLSession(configuration: .default)
        DispatchQueue.global(qos: .background).async {