collinsrj

//
//  CalculatorBrainTests.swift
//  Calculator
//
//  Created by Robert Collins on 30/03/2015.
//  Copyright (c) 2015 Robert Collins. All rights reserved.
//
import XCTest

collinsrj

import UIKit
import XCPlayground

class MyView: UIView {
    override init(frame: CGRect) {
        super.init(frame: frame)
        setup()
    }
    required init(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)

collinsrj

import UIKit
import XCPlayground

//  Plain HTTP Request
var session = NSURLSession.sharedSession()
var url = NSURL(scheme: "http", host: "www.ibm.com", path: "/")!
var request = NSMutableURLRequest(URL: url)
var plainHttpTask = session.dataTaskWithRequest(request) {
    (data, response, error) -> Void in
    if error != nil {

collinsrj

import UIKit
import XCPlayground

// HTTPS Request
var secureSession = NSURLSession.sharedSession()
if let url = NSURL(scheme: "https", host: "api.github.com", path: "/users/collinsrj/repos") {
//if let url = NSURL(scheme: "https", host: "goo.gl", path: "/WsXbKr") {
    var httpsTask = secureSession.dataTaskWithURL(url) {
        (data, response, error) -> Void in
        if error != nil {

collinsrj

// A super simple HTTPS service which allows you to GET a collection of names from https://<hostname>/names
var express = require('express');
var https = require('https');
var app = express();
var fs = require('fs');

app.get('/names', function (req, res) {
  res.json(["Simon", "Bob"])
});

collinsrj

let urlString = "https://example.com/names"        
guard let url = NSURL(string: urlString) else {
    fatalError("The URL: \(urlString) wasn't valid!")
}
let request = NSMutableURLRequest(URL: url)
let session = NSURLSession.sharedSession()

let task = session.dataTaskWithRequest(request, completionHandler: {(data,  response, error) -> Void in
    do {
        let json = try NSJSONSerialization.JSONObjectWithData(data!, options: .MutableLeaves)

collinsrj

# The following is an example - it may not represent best practice. Your security is your own responsibility.
# Create the fake CA key and cert.
openssl genrsa -des3 -out ca.key 2048
openssl req -new -x509 -sha256 -days 365 -key ca.key -out ca.crt

# Generate a key for the server
openssl genrsa -out server.key 2048
# for this next command, make sure you specify your domain as the Common Name e.g. example.com
openssl req -new -key server.key -out server.csr
openssl x509 -sha256 -req -in server.csr -out server.crt -CA ca.crt -CAkey ca.key -CAcreateserial -days 365

collinsrj

import Foundation

func getEncoding(response: NSHTTPURLResponse) -> NSStringEncoding {
    guard let encodingName = response.textEncodingName else {
        return NSUTF8StringEncoding
    }
    let encoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding(encodingName))
    if encoding != UInt(kCFStringEncodingInvalidId) {
        return encoding
    }

collinsrj

/**
 * Flattens an integer array. The function should handle deeply nested arrays
 * without issue using an ES6 interpretter which supports Tail Call
 * Optimisation.
 *  
 * @returns {Array} a flattened Integer array 
 */
const flattenIntArray = array => array
    .filter(item => {
        if (Number.isInteger(item) || Array.isArray(item)) {

collinsrj

I work for IBM, on a very large, mature enterprise product. My role is technical architect, I was tasked with building a new application for consumers. By consumers, I mean systems real people interact with, not those employees of a business paid to use it. This wasn't something which had been done before for the product.

We faced two big challenges. We had to deliver an application which would work well across all platforms and my team were a a set of native iOS developers. The second was I strongly believed that the existing framework for web UI development would not deliver the great experiences required by our customer.

Addressing the team issue was not a big hurdle. We had already been looking at web applications to expand our reach. It didn't take too much convincing. The team were used to change, we'd been working in the Swift programming language following the latest builds and language changes.

The enterprise product had a long established way of building user interfaces. For end users, it resul