Malachai malachaifrazier

Ubuntu 12.04 Ruby on Rails Development Environment

I haven't set up an install guide for the latest ubuntu release, largely because the last set of instructions worked pretty closely with the latest and greatest Ubuntu, 12.04 Precise Pangolin, however when installing today, I found that there were enough differences in the way that I configure my setup to justify an update, so here it goes. Yes, I'm late to the party, but a quick google search didn't find anything that I felt was as complete for my requirements as my previous install guides, so here I go.

As always with my install guides, I have included here is just about everything you'll need (and then some) to get started with ruby on rails development with Ubuntu 12.04 as a platform. These are my settings and preferences, and this is certainly not the only way of doing things, so keep that in mind.

Step 1: Get the repos ready and run updates.

sudo apt-get update && sudo apt-get upgrade

	require 'rubygems'
	require 'sinatra'
	require 'redis'

	# To use, simply start your Redis server and boot this
	# example app with:
	# ruby example_note_keeping_app.rb
	#
	# Point your browser to http://localhost:4567 and enjoy!
	#

	module Paperclip
	# Converts ogg audio for Firefox
	class Ogg < Processor

	attr_accessor :whiny

	# Creates an Ogg from MP3
	def make
	src = @file
	dst = Tempfile.new([@basename, '.ogg'])

	For each Ruby module/class, we have Ruby methods on the left and the equivalent
	Clojure functions and/or relevant notes are on the right.

	For clojure functions, symbols indicate existing method definitions, in the
	clojure namespace if none is explicitly given. clojure.contrib./ functions can
	be obtained from http://github.com/kevinoneill/clojure-contrib/tree/master,
	ruby-to-clojure./ functions can be obtained from the source files in this
	gist.

	If no method symbol is given, we use the following notation:

	<!doctype html>
	<html>
	<head>

	<title>CSS Media Check</title>

	<style type="text/css">
	#mediaquery{
	-webkit-transition: width .001s;
	-moz-transition: width .001s;

	<!DOCTYPE html>
	<!--[if IE 8]> <html lang="sv-SE" class="no-js ie8"> <![endif]-->
	<!--[if gt IE 8]><!--> <html lang="sv-SE" class="no-js"> <!--<![endif]-->
	<head>
	<meta charset="UTF-8">
	<title>Breakpoint detection test</title>
	<style type="text/css" media="screen">
	@media screen and (min-width: 320px) {
	#page:after {
	content: 'smallest'; /* represent the current width-bracket */

	require 'spec_helper'

	describe "Artists to releases relationship" do

	before(:all) do
	@kanye = FactoryGirl.create(:artist, :name => 'Kanye West')
	@jz = FactoryGirl.create(:artist, :name => 'Jay Z')
	@watch_the_throne = FactoryGirl.create(:release, :name => 'Watch the Throne')
	@dropout = FactoryGirl.create(:release, :name => 'The College Dropout')
	end

	$VERBOSE = nil
	require File.expand_path('../rooby', __FILE__)


	Person = Rooby::Class.new 'Person' do
	define :initialize do \|name\|
	@name = name
	end

	define :name do

	def fizz_buzz_1(max)
	arr = []
	(1..max).each do \|n\|
	if ((n % 3 == 0) && (n % 5 == 0))
	arr << "FizzBuzz"
	elsif (n % 3 == 0)
	arr << "Fizz"
	elsif (n % 5 == 0)
	arr << "Buzz"
	else

	class SimpleLinearRegression
	def initialize(xs, ys)
	@xs, @ys = xs, ys
	if @xs.length != @ys.length
	raise "Unbalanced data. xs need to be same length as ys"
	end
	end

	def y_intercept
	mean(@ys) - (slope * mean(@xs))