jordelver

#! /usr/bin/env ruby
# usage: 
# $ das_download.rb email password [download_directory]

require 'mechanize'
# gem 'mechanize-progressbar'

email    = ARGV[0] or raise('Please provide the email address for your account')
password = ARGV[1] or raise('Please provide the password for your account')
path     = ARGV[2] || './' 

jordelver

# Returns a new array by joining and removing duplicates
# http://www.ruby-doc.org/core-1.9.3/Array.html#7C-method

irb(main):001:0> [1, 2, 3] | [1, 2, 3, 4]
=> [1, 2, 3, 4]

jordelver

require 'rspec'

class Module
  def takes(*arg_names)
    define_method(:initialize) do |*arg_values|
      arg_names.zip(arg_values).each do |name, value|
        instance_variable_set(:"@#{name}", value)
      end
    end
  end

jordelver

colordiff -y <(curl http://www.google.fr | tidy) <(curl http://www.google.co.uk | tidy)

jordelver

# http://blog.bigbinary.com/2012/06/26/to_str-in-ruby.html
# https://github.com/rails/rails/commit/188cc90af9b29d5520564af7bd7bbcdc647953ca

class Foo
  def to_str
    "to_str"
  end

  def to_s
    "to_s"

jordelver

# http://www.ruby-doc.org/stdlib-1.9.3/libdoc/securerandom/rdoc/SecureRandom.html
# http://coderwall.com/p/kqhlna

require 'securerandom'
SecureRandom.urlsafe_base64(8)
=> "RrFeKH6k-_Y"
=> "VGARhfWcbc4"
=> "e86ga-WnMtA"

jordelver

# Found here http://tenderlovemaking.com/2012/06/18/removing-config-threadsafe.html

# Add to Rails / Sinatra controller / action
trap(:INFO) do
  $stderr.puts "Stuff and things"
end

# Start web process somehow

# Send signal to process

jordelver

class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || ConnectionPool::Wrapper.new(:size => 1) { retrieve_connection }
  end
end
ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection

jordelver

class AttributeCache
  def fetch(key)
    get(key) || yield
  end

  def get(key)
    { 'title' => 'Cached' }
  end
end

jordelver

Set the Mac OS X SOCKS proxy on the command line

a.k.a. what to do when your ISP starts blocking sites :(

Set the SOCKS proxy to local SSH tunnel

networksetup -setsocksfirewallproxy "Ethernet" localhost 8080

To clear the domain and port