nickmccurdy

sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair
boot-repair

nickmccurdy

#!/usr/bin/env ruby
# quotes.rb
# Picks a random quote from quotes.txt and prints it to stdout.
# Quotes should be separated by double newlines (single empty lines) in the file.

# We need to define Array#sample if this version of Ruby is really old.
unless Array.respond_to? 'sample'
	class Array
		def sample
			self[rand(length)]

nickmccurdy

# Set the sum to 0 initially and print its value
p sum = 0

# Set i to 0 initially
i = 1

# Start an infinite, iterative loop
loop do
	# Add 1/i (as a float to keep this accurate) to sum and print its new value
	p sum += 1/i.to_f

nickmccurdy

/*
 * Try compiling this. It actually works.
 * Output: "Hello world"
 */

\u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020\u0020
\u0063\u006c\u0061\u0073\u0073\u0020\u0055\u0067\u006c\u0079
\u007b\u0070\u0075\u0062\u006c\u0069\u0063\u0020\u0020\u0020
\u0020\u0020\u0020\u0020\u0073\u0074\u0061\u0074\u0069\u0063
\u0076\u006f\u0069\u0064\u0020\u006d\u0061\u0069\u006e\u0028

nickmccurdy

class Array

  def in_order?
    (0..length-2).none? { |i| self[i] > self[i+1] }
  end
  
  def bogo_sort
    copy = self.dup
    copy.shuffle! until copy.in_order?
    copy

nickmccurdy

##Download a repository with submodules

git clone URL MAIN_REPO_DIR
git submodule init
git submodule update

##Add a submodule

cd MAIN_REPO_DIR

nickmccurdy

require 'benchmark'

Benchmark.bm do |b|

	b.report "summation equation" do
		sum = 1_000_000*(1_000_000+1)/2.to_f
	end

	b.report "each loop" do
		sum = 0

nickmccurdy

$ ed
i
Hello, world!
.
w hello.txt
14
q
$ cat hello.txt 
Hello, world!

nickmccurdy

[a = 'hello'].each { |_| b = 'world' }

puts a # hello
puts b # world

nickmccurdy

# REPL: Read Evaluate Print Loop
# See http://en.wikipedia.org/wiki/Read%E2%80%93eval%E2%80%93print_loop

# The prompt for the REPL
PROMPT = 'repl> '

# Keep reading, evaluating, and printing forever (or until the user exits)
loop do
  # Display the prompt
  print PROMPT