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$ sudo /usr/bin/xcode-select -switch /Applications/Xcode.app

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#!/bin/bash

# https://gist.github.com/949831
# http://blog.carbonfive.com/2011/05/04/automated-ad-hoc-builds-using-xcode-4/

# command line OTA distribution references and examples
# http://nachbaur.com/blog/how-to-automate-your-iphone-app-builds-with-hudson
# http://nachbaur.com/blog/building-ios-apps-for-over-the-air-adhoc-distribution
# http://blog.octo.com/en/automating-over-the-air-deployment-for-iphone/
# http://www.neat.io/posts/2010/10/27/automated-ota-ios-app-distribution.html

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#!/usr/bin/env python
import re
import sys
from urllib import urlopen

def isup(domain):
    resp = urlopen("http://www.isup.me/%s" % domain).read()
    return "%s: %s" % (domain, "UP" if re.search("It's just you.", resp, 
        re.DOTALL) else "DOWN")

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import lldb

def __lldb_init_module(debugger, internal_dict):
    debugger.HandleCommand('type summary add QString -F lldb_qt.QString_summary')
    debugger.HandleCommand('type summary add QUuid -F lldb_qt.QUuid_summary')
    print 'lldb_qt.py has been loaded and is ready for use.'

def QString_summary(value, internal_dict):
    name = value.GetName()
    deref = '->' if value.TypeIsPointerType() else '.'

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#import <Foundation/Foundation.h>

@interface NSDictionary (XXXConvertValues)

// Return value associated wth key, converted to NSString
- (NSString *) stringValueForKey:(id)key;

// Return integer value associated with key, converted to integer
- (NSInteger) integerValueForKey:(id)key;

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#!/bin/bash

find "$1" -type f -name "*.ape" -print0 | while read -d $'\0' song

do
    output=${song%.ape}.mp3
    cue=${song%.ape}.cue
    avconv -i "$song" -b 192k "$output"
    if ls "$cue" &> /dev/null; then
        mp3splt -a -c "$cue" "$output"

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class Integer
  N_BYTES = [42].pack('i').size
  N_BITS = N_BYTES * 16
  MAX = 2 ** (N_BITS - 2) - 1
  MIN = -MAX - 1
end

p Integer::MAX              #=> 4611686018427387903
p Integer::MAX.class        #=> Fixnum
p (Integer::MAX + 1).class  #=> Bignum

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+ (instancetype)sharedInstance
{
    static dispatch_once_t once;
    static id sharedInstance;
    dispatch_once(&once, ^{
        sharedInstance = [[self alloc] init];
    });
    return sharedInstance;
}

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Stop Versioning Rails Secret Tokens

After reading Code Climate's Rails' Insecure Defaults I realized I was guilty of breaking rule 3. Versioned Secret Tokens. Here's how I fixed it.

Use dotenv in development and test environments:

# Gemfile
gem 'dotenv-rails', groups: [:development, :test]

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application: