amalc

class Enum < Hash
  def initialize(*members)
    super()
    @rev = {}
    members.each_with_index {|m,i| self[i] = m }
  end
  def [](k)
     super || @rev[k] # || raise ArgumentError, "#{k} is not a member of this enum"
  end
  def []=(k,v)

amalc

    # encoding : utf-8
    require 'openssl'
    require 'digest/sha1'
    require 'base64'
    
    module Aws
      extend self
      def signed_url(path, expire_date)
        digest = OpenSSL::Digest::Digest.new('sha1')
        can_string = "GET\n\n\n#{expire_date}\n/#{S3_BUCKET}/#{path}"

amalc

sudo iptables -F
sudo iptables -I INPUT -i lo -j ACCEPT
sudo iptables -I INPUT -i tun0 -j ACCEPT
sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A OUTPUT -o eth0 -p tcp --dport 1194 -m state --state ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -i eth0 -p tcp --dport ssh -m state --state NEW,ESTABLISHED -j ACCEPT
sudo iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
sudo iptables -A INPUT -j DROP
sudo iptables -A OUTPUT -j DROP
sudo iptables -A FORWARD -j DROP

amalc

class Lisp
  def initialize
    @env = { 
      :label => lambda { |(name,val), _| @env[name] = val },
      :quote => lambda { |sexpr, _| sexpr[0] },
      :car   => lambda { |(list), _| list[0] },
      :cdr   => lambda { |(list), _| list.drop 1 },
      :cons  => lambda { |(e,cell), _| [e] + cell },
      :eq    => lambda { |(l,r), _| l == r },
      :if    => lambda { |(cond, thn, els), ctx| eval(cond, ctx) ? eval(thn, ctx) : eval(els, ctx) },

amalc

#Deploy and rollback on Heroku in staging and production
task :deploy_staging => ['deploy:set_staging_app', 'deploy:push', 'deploy:restart', 'deploy:tag']
task :deploy_production => ['deploy:set_production_app', 'deploy:push', 'deploy:restart', 'deploy:tag']

namespace :deploy do
  PRODUCTION_APP = 'YOUR_PRODUCTION_APP_NAME_ON_HEROKU'
  STAGING_APP = 'YOUR_STAGING_APP_NAME_ON_HEROKU'

  task :staging_migrations => [:set_staging_app, :push, :off, :migrate, :restart, :on, :tag]
  task :staging_rollback => [:set_staging_app, :off, :push_previous, :restart, :on]