jonathanpenn

class NaNClass {}
let NaN = NaNClass()

@infix func == (n1: NaNClass, n2: NaNClass) -> Bool {
    return false
}

@infix func != (n1: NaNClass, n2: NaNClass) -> Bool {
    return true
}

jonathanpenn

#!/usr/bin/env ruby

require 'tempfile'

def main
  if needs_uncrustify?
    puts "Could not find `uncrustify` on the path. Try `brew install uncrustify`."
    exit 1
  end

jonathanpenn

(main)> "test".tainted?
=> false
(main)> y = ENV["HOME"]
=> "/Users/jonathan/Library/Application Support/iPhone Simulator/6.1/Applications/B44BDE1C-A9FC-430F-B318-4093FD6BC65B"
(main)> y.tainted?
=> true

jonathanpenn

sudo defaults write /Library/Preferences/com.apple.windowserver DisplayResolutionEnabled -bool YES;
sudo defaults delete /Library/Preferences/com.apple.windowserver DisplayResolutionDisabled;

// by the way, you need to logout and log back in for this to take effect.  Or at least that's what
// Quartz Debug says.  Who knows, maybe it's lying?

// P.S. Go to [Apple menu --> System Preferences --> Displays --> Display --> Scaled] after logging
// back in, and you'll see a bunch of "HiDPI" resolutions in the list to choose from.

jonathanpenn

@implementation SomeGenerater

- (NSArray *)generateAThousandRandomStrings
{
    NSMutableArray *strings = [[NSMutableArray alloc] initWithCapacity:1000];

    for (int count = 0; count < 1000; count++) {
        int length = arc4random_uniform(10) + 4;
        unichar buf[length];

jonathanpenn

(*
Running this script will cause Instruments to become active 
and switch from the Script view (where you edit your UIAutomation script) 
to the Editor Log view (where you see the logs of executing those scripts)
or vice versa.
*)


-- JW: This block only needs to be executed once, and can then be removed. 
-- I don't know if leaving it in might cause a performance hit; 

jonathanpenn

#import "MPAppDelegate.h"

@interface MPAppDelegate()

@property (strong, nonatomic) UIView *wildView;
@property (strong, nonatomic) UIViewController *viewController;

@end

jonathanpenn

// Based on this discussion:
// https://twitter.com/listrophy/statuses/251074683594747904

// To setup:
// Create an application that has a tableView with a couple cells in it, one of
// which has the "coffee" in it's label

var target = UIATarget.localTarget();
var app = target.frontMostApp();
var window = app.mainWindow();

jonathanpenn

gem "mongo"
gem "bson_ext"
gem "mongoid"

jonathanpenn

#!/usr/bin/env ruby

ioreg = `ioreg -w 0 -rc IOUSBDevice -k SupportsIPhoneOS`
device_uuid = ioreg[/"USB Serial Number" = "([0-9a-z]+)"/] && $1

if device_uuid
  puts device_uuid
else
  puts "No device detected."
  exit 1