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Lecture 1: Introduction to Research — [📝Lecture Notebooks] [▶️Video]
Lecture 2: Introduction to Python — [📝Lecture Notebooks] [▶️Video]
Lecture 3: Introduction to NumPy — [📝Lecture Notebooks] [▶️Video]
Lecture 4: Introduction to pandas — [📝Lecture Notebooks] [▶️Video]
Lecture 5: Plotting Data — [📝Lecture Notebooks] [[▶️Vide

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Setup a Three Server HAPROXY/APACHE2 Setup

Ubuntu Image used in class

image: ami-2e7e8747

Notes:  For Chef Clinet install use "sudo gem install chef --no-ri --no-rdoc" 

        Instead of knife ec2 .. use 

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require 'parslet'
require 'pp'

class HTTPParser < Parslet::Parser
  #
  # Character Classes
  #
  rule(:digit) { match('[0-9]') }
  rule(:digits) { digit.repeat(1) }
  rule(:xdigit) { digit | match('[a-fA-F]') }

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require 'thread'

@value = 1
@cond = ConditionVariable.new
@mutex = Mutex.new
t = Thread.new do
  value = @value
  @mutex.synchronize do
    while true
      STDOUT.puts value

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#!/usr/bin/env sh

##
# This is script with usefull tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
#   curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#

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def match(path, *rest)
  puts path.inspect
  puts rest.inspect
end

a=[:inspect]
match(*a, {:via => :get})

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# modify from veewee
require 'digest/md5'
CURRENT_DIR       = File.dirname(__FILE__)
PRESEED_MD5       = "#{Digest::MD5.file("#{CURRENT_DIR}/preseed.cfg").hexdigest}"

Veewee::Session.declare( {
  :boot_cmd_sequence    => [
                           "<Esc><Esc><Enter>",
                           "/install/vmlinuz ",
                           "noapic ",

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# Update, upgrade and install development tools:
apt-get update
apt-get -y upgrade
apt-get -y install build-essential
apt-get -y install git-core

# Install rbenv
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

# Add rbenv to the path:

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require 'autotest/growl'
require 'autotest/fsevent'

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module MailQueue
  extend self

  def queue
    :default
  end

  def perform(options = {})
    options = options.with_indifferent_access