| # async_sinatra_example.ru | |
| require 'sinatra' | |
| # Normally Sinatra::Base expects that the completion of a request is | |
| # determined by the block exiting, and returning a value for the body. | |
| # | |
| # In an async environment, we want to tell the webserver that we're not going | |
| # to provide a response now, but some time in the future. | |
| # | |
| # The a* methods provide a method for doing this, by informing the server of |
| require 'rubygems' | |
| require 'eventmachine' | |
| ### EM::run takes over the process | |
| # puts 1 | |
| # EM.run{ | |
| # require 'mycode' | |
| # } | |
| # puts 3 # this will never happen |
| if __FILE__ == $0 | |
| require 'em/spec' | |
| class TestConnection | |
| include EM::P::Memcache | |
| def send_data data | |
| sent_data << data | |
| end | |
| def sent_data | |
| @sent_data ||= '' |
| ## | |
| # sync api: return values and exceptions | |
| begin | |
| images = [] | |
| results = RestClient.get('http://google.com/search?q=ruby') | |
| Hpricot(results).find('a').each{ |link| | |
| page = RestClient.get(link) | |
| begin |
| #!/usr/bin/env ruby | |
| # | |
| # NOTE: You must run this script as root | |
| # | |
| # | |
| # Create a /etc/rabbitmq/rabbitmq.conf file with this content: | |
| # | |
| # MULTI_START_ARGS=' | |
| # -maxwait 4800' | |
| # |
| # simple Socket API | |
| module EventMachine | |
| class Socket | |
| class Client < EM::Connection | |
| def initialize socket | |
| @socket = socket | |
| end | |
| attr_accessor :socket | |
| #!/usr/bin/env ruby | |
| # Seen in god sources (http://god.rubyforge.org) | |
| puts "Calculating stuff" | |
| t = Thread.new { loop { sleep(0.5); STDOUT.print('.'); STDOUT.flush; } } | |
| sleep(5) | |
| t.kill; STDOUT.puts |
| # | |
| # /my_recipe/librairies/shared.rb | |
| # | |
| class Chef | |
| class Recipe | |
| # Fill an attribute with given hash | |
| def attribute_from_hash(hash) | |
| attribute = Mash.new | |
| class Prout | |
| def initialize(delegate) | |
| @delegate = delegate | |
| end | |
| def delegate | |
| @delegate | |
| end | |
| def method_missing(sym, *args, &blk) |
This article introduces Fwissr, our configuration registry tool that we use to centralize all our configurations.
Photo by National Library of Norway
More than five years ago, when we started to build what became fotopedia, we had a main Rails application, a Merb application for user authentication and another Merb application for photo upload. These applications were deployed by Capistrano, and our servers were configured with Puppet with some scripts to glue everything together.
