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# 1. Convert the .cer file into a .pem file:
$ openssl x509 -in aps_development.cer -inform der -out PushChatCert.pem

# 2. Convert the private key’s .p12 file into a .pem file:
$ openssl pkcs12 -nocerts -in PushChatKey.p12 -out PushChatKey.pem

# 3. Finally, combine the certificate and key into a single .pem file
$ cat PushChatCert.pem PushChatKey.pem > ck.pem

# 4. At this point it’s a good idea to test whether the certificate works.

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- (UIViewController *)topViewController{
  return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}

- (UIViewController *)topViewController:(UIViewController *)rootViewController
{
  if (rootViewController.presentedViewController == nil) {
    return rootViewController;
  }
  

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//reduce
//Use reduce to combine all items in a collection to create a single new value.

let numbers = [1, 3, 5, 7, 9]
//sum all values from the array (+)
let result = numbers.reduce(0, +)
//sum all values from the array (+) plus one
let result2 = numbers.reduce(1, +)
let result3 = numbers.reduce(1, *)

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[{"name":"Israel","dial_code":"+972","code":"IL"},{"name":"Afghanistan","dial_code":"+93","code":"AF"},{"name":"Albania","dial_code":"+355","code":"AL"},{"name":"Algeria","dial_code":"+213","code":"DZ"},{"name":"AmericanSamoa","dial_code":"+1 684","code":"AS"},{"name":"Andorra","dial_code":"+376","code":"AD"},{"name":"Angola","dial_code":"+244","code":"AO"},{"name":"Anguilla","dial_code":"+1 264","code":"AI"},{"name":"Antigua and Barbuda","dial_code":"+1268","code":"AG"},{"name":"Argentina","dial_code":"+54","code":"AR"},{"name":"Armenia","dial_code":"+374","code":"AM"},{"name":"Aruba","dial_code":"+297","code":"AW"},{"name":"Australia","dial_code":"+61","code":"AU"},{"name":"Austria","dial_code":"+43","code":"AT"},{"name":"Azerbaijan","dial_code":"+994","code":"AZ"},{"name":"Bahamas","dial_code":"+1 242","code":"BS"},{"name":"Bahrain","dial_code":"+973","code":"BH"},{"name":"Bangladesh","dial_code":"+880","code":"BD"},{"name":"Barbados","dial_code":"+1 246","code":"BB"},{"name":"Belarus","dial_code":"+375","

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<?php

/**
 * Content from http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
 **/
return array(
    100 => 'Continue',
    101 => 'Switching Protocols',
    102 => 'Processing', // WebDAV; RFC 2518
    200 => 'OK',

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import UIKit
import StoreKit

//MARK: SKProductsRequestDelegate

extension IAPHelpers : SKProductsRequestDelegate
{
    func productsRequest(request: SKProductsRequest, didReceiveResponse response: SKProductsResponse)
    {

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//
//  InAppManager.swift
//
//  Created by Ellina Kuznetcova on 12/10/2016.
//  Copyright © 2016 Flatstack. All rights reserved.
//

import Foundation
import StoreKit

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func printFonts() {
        let fontFamilyNames = UIFont.familyNames
        for familyName in fontFamilyNames {
            print("------------------------------")
            print("Font Family Name = [\(familyName)]")
            let names = UIFont.fontNames(forFamilyName: familyName)
            print("Font Names = [\(names)]")
        }
    }

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import UIKit

class HapticHelper {
    enum HapticType {
        case impactLight
        case impactMedium
        case impactHeavy
        case selectionChange
        case notificationSuccess
        case notificationError

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import Foundation
import UIKit

enum TextType: CaseIterable {
    
    case title
    case subtitle
    case sectionTitle
    case body
    case comment