aalemi97

import Foundation
class UserDefaultsManager {
    enum Key: String {
        case apiKey
        case secretKey
        case token
        case isSignedIn
    }
    static let shared: UserDefaultsManager = {
        return UserDefaultsManager()

SergLam

import UIKit

extension UITableView {

    func isCellVisible(section: Int, row: Int) -> Bool {
        guard let indexes = self.indexPathsForVisibleRows else {
            return false
        }
        return indexes.contains{ $0.section == section && $0.row == row }
    }

cmoulton

func makeGetCall() {
  // Set up the URL request
  let todoEndpoint: String = "https://jsonplaceholder.typicode.com/todos/1"
  guard let url = URL(string: todoEndpoint) else {
    print("Error: cannot create URL")
    return
  }
  let urlRequest = URLRequest(url: url)

  // set up the session

perlguy99

Alamofire.request(urlString).responseJSON { response in
    guard case let .failure(error) = response.result else { return }

    if let error = error as? AFError {
        switch error {
        case .invalidURL(let url):
            print("Invalid URL: \(url) - \(error.localizedDescription)")
        case .parameterEncodingFailed(let reason):
            print("Parameter encoding failed: \(error.localizedDescription)")
            print("Failure Reason: \(reason)")

santoshrajan

// Author - Santosh Rajan

import Foundation

let jsonObject: [AnyObject] = [
 ["name": "John", "age": 21],
 ["name": "Bob", "age": 35],
]

func JSONStringify(value: AnyObject, prettyPrinted: Bool = false) -> String {