wjlafrance

//: Playground - noun: a place where people can play

import Darwin

class Box<T> {
    let contents: T

    init(_ contents: T) { self.contents = contents }
}

wjlafrance

// This is an object we want to JSON encode. We need to know if it's a dictionary or array.
let instance: AnyObject = [1, 2, 3] as! AnyObject

// Checking if an object is a non-parameterized generic type is not supported
if instance is Array { // Argument for generic parameter 'T' could not be inferred
    println("It's an array")
}

// When combing the two `is` checks, each independently invalid, the compiler shows the wrong errror.

wjlafrance

/**
 * The contract of this method is that the method will check if unsafeThing is nil before using it.
 * This contract is not encoded in the method signature and is not compiler-enforced!
 */
func safelyHandlesIUO(unsafeThing: String!) {
    println("This isn't an optional. We can use it directly but may find nil and crash: \(unsafeThing)")
    if let safeThing = unsafeThing {
        println("String is \(count(safeThing)) length")
    } else {
        println("Woah, we would have crashed if we passed it to count!")

wjlafrance

#!/bin/sh

#ID='A16FF353-8441-459E-A50C-B071F53F51B7' # Xcode 6.2
#ID='992275C1-432A-4CF7-B659-D84ED6D42D3F' # Xcode 6.3
ID='7FDF5C7A-131F-4ABB-9EDC-8C5F8F0B8A90' #Xcode 6.4
#ID='AABB7188-E14E-4433-AD3B-5CD791EAD9A3' # Xcode 7.0

PLIST_BUDDY=/usr/libexec/PlistBuddy

function add_compatibility() {

wjlafrance

// Written March 26th 2013

#import <Cocoa/Cocoa.h>
#import <AVFoundation/AVFoundation.h>

int main(int argc, char **argv) {
  NSLog(@"Hello world");

  NSError *err;

wjlafrance

Hi Will,

Thanks for considering [redacted]! We appreciate you taking the time to
talk to us.

We received a lot of interest in our iOS position, and after reviewing the
resources you sent, we're certain that your application is not one we'll be
considering for the position.

We love your commitment to open source, and we encourage you to continue to

wjlafrance

Keybase proof

I hereby claim:

• I am wjlafrance on github.
• I am wjlafrance (https://keybase.io/wjlafrance) on keybase.
• I have a public key ASAGoL5HJfvOtSQMFfzEVHnSM6rvW3z_gckZSdxdox742Qo

To claim this, I am signing this object:

wjlafrance

Create machine in VMware Workstation. Typical installation, 60GB disk, Ubuntu 15.10 Desktop x64 ISO.

Shut down machine, increase to 2 Processors / 1 Core Each, increase to 8GB RAM.

$ sudo apt-get update; sudo apt-get dist-upgrade
$ sudo apt-get install git cmake ninja-build clang python uuid-dev libicu-dev icu-devtools libbsd-dev libedit-dev libxml2-dev libsqlite3-dev swig libpython-dev libncurses5-dev pkg-config
$ sudo apt-get install gnome-flashback-session

Log out, change to Gnome Metacity session, log back in

wjlafrance

Expect: 2016-02-08 15:43:32 +0000
Got:    2016-02-08 18:43:32 +0000
        2016-02-08 12:43:32 +0000

wjlafrance

Barebones PC:
  Lenovo TS140
  http://www.amazon.com/gp/product/B00F6EK9J2
  $219.99 (2015-01-12)

Processor:
  Intel Xeon E3-1231
  http://www.amazon.com/gp/product/B00KB4A2XA
  $254.99 (2016-02-25)