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Steps to install and run PostgreSQL 9.2 using Homebrew (Mac OS X)
(if you aren't using version 9.1.5, change line 6 with the correct version)

1. launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
2. mv /usr/local/var/postgres /usr/local/var/postgres91
3. brew update
4. brew upgrade postgresql
5. initdb /usr/local/var/postgres -E utf8
6. pg_upgrade -b /usr/local/Cellar/postgresql/9.1.5/bin -B /usr/local/Cellar/postgresql/9.2.0/bin -d /usr/local/var/postgres91 -D /usr/local/var/postgres
7. cp /usr/local/Cellar/postgresql/9.2.0/homebrew.mxcl.postgresql.plist ~/Library/LaunchAgents/

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require 'rspec/core/formatters/progress_formatter'

# Custom RSpec formatter that speaks aloud using the say command, if available.
# Not to be taken too seriously, but fun for annoying your coworkers.
# Usage: bundle exec rspec -r ./say_formatter.rb -f SayFormatter spec

class SayFormatter < RSpec::Core::Formatters::ProgressFormatter
  VOICES = %w[Agnes Albert Alex Bad\ News Bahh Bells Boing Bruce Bubbles Cellos
              Deranged Fred Good\ News Hysterical Junior Kathy Pipe\ Organ
              Princess Ralph Trinoids Vicki Victoria Whisper Zarvox]

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## Prepare ###################################################################

# Remove RVM
rvm implode

# Ensure your homebrew is working properly and up to date
brew doctor
brew update

## Install ###################################################################

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/*
 * Outputs a float representing the iOS version if user is using an iOS browser i.e. iPhone, iPad
 * Possible values include:
 *	3 - v3.0
 *	4.0 - v4.0
 *	4.14 - v4.1.4
 *	false - Not iOS
 */
 
var iOS = parseFloat(

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#!/usr/bin/env ruby
# copy or symlink this file to .git/hooks/

# automatically strip spaces from the end of lines and add newlines to the end of files as necessary
filetypes = %w(
  builder
  conf
  css
  erb
  haml

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Get Mountain Lion and Homebrew to Be Happy

1) Install XCode 4.4 into /Applications

Get it from the App Store.

2) Install Command Line Tools

In XCode's Preferences > Downloads you can install command line tools.