Why Should I Care About Rails 4?

A talk about the upcoming features in Rails 4, and where Rails is going.

Transcript

1. Why should I care about Rails 4? @steveklabnik Monday, October 8, 12
2. Monday, October 8, 12
3. Monday, October 8, 12
4. Tons of stuff! (ʏ´ωʆ)ਓ(´ωʆʏ). Monday, October 8, 12
5. Mass Extraction ➡page and action caching ➡rack-cache ➡observers ➡session store ➡mass assignment ➡active resource Monday, October 8, 12
6. Strong parameters class PeopleController < ActionController::Base # throws ActiveModel::ForbiddenAttributes exception def create Person.create(params[:person]) end private # now it won’t! def person_params params.require(:person).permit(:name, :age) end end Monday, October 8, 12
7. Rails::Queueing # job.respond_to?(:run) # => true Rails.queue.push(job) Monday, October 8, 12
8. Rails::Queueing class AsyncMailer < BaseMailer end Monday, October 8, 12
9. Rails::Queueing class ActionMailer::Base class_attribute :queue self.queue = ActiveSupport::SynchronousQueue.new end Monday, October 8, 12
10. class MyController < ActionController::Base include ActionController::Live def index 100.times { response.stream.write "hello world\n" } response.stream.close end end ActionController::Live Monday, October 8, 12
11. (¬_¬) Monday, October 8, 12
12. Routing Concerns BCX::Application.routes.draw do resources :messages { resources :comments } resources :forwards { resources :comments } resources :uploads { resources :comments } end BCX::Application.routes.draw do concern :commentable do resources :comments end resources :messages, :forwards, :uploads, concerns: :commentable end Monday, October 8, 12
13. Concerns app/models/concerns Monday, October 8, 12
14. Cache Digests Monday, October 8, 12
15. (ʗɻʘ) Monday, October 8, 12
16. Cache Digests <% cache project do %> Monday, October 8, 12
17. TURBO LINKS Monday, October 8, 12
18. Turbolinks $(document).ready -> alert "page has loaded!" $(document).bind "page:change", -> alert "page has loaded!" <a href="..." data-no-turbolink> No turbolinks here </a>. Monday, October 8, 12
19. MAX SPEED Monday, October 8, 12
20. Related: Monday, October 8, 12
21. Rails Versioning (~> ‘shifted’ SemVer) Monday, October 8, 12
22. • 4.0.0: Easy upgrade, new features, new deprecations • 4.0.x: no new deprecations • 4.1.0: add features, remove deprecated stuff Monday, October 8, 12
23. When’s it going to be released? Monday, October 8, 12
24. “When It’s Ready” I hope it’s ready this year. Monday, October 8, 12
25. Why should I care about Rails 4? Monday, October 8, 12
26. Why should I care about Rails? Monday, October 8, 12
27. “Rails is the best web framework 2005 has to offer” Monday, October 8, 12
28. Monday, October 8, 12
29. ? Monday, October 8, 12
30. Monday, October 8, 12
31. Monday, October 8, 12
32. Monday, October 8, 12
33. Monday, October 8, 12
34. Monday, October 8, 12
35. “But what distinguishes the worst architect from the best of bees is this, that the architect raises his structure in imagination before he erects it in reality. ... Besides the exertion of the bodily organs, the process demands that, during the whole operation, the workman’s will be steadily in consonance with his purpose. This means close attention.” - Marx, Capital I, Chapter 7 Monday, October 8, 12
36. I am excite Monday, October 8, 12
37. Why should I care about Rails 4? @steveklabnik Monday, October 8, 12