Rails 3.1 Awesomeness - what's new
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This document provides an overview of new features in Rails 3.1, including Sass support, asset packaging, CoffeeScript compilation, identity mapping, HTTP streaming, secure passwords with BCrypt, reversible migrations, and mass assignment with roles. It also lists contributors to a Rails meetup and links to additional resources.
![Mass assignment with roles
class Post < ActiveRecord::Base
attr_accessible :title
attr_accessible :title, :published_at, :as => :admin
end
Post.new(params[:post], :as => :admin)](https://image.slidesharecdn.com/rails31-rorosyd-110512234501-phpapp02/85/Rails-3-1-Awesomeness-what-s-new-15-320.jpg)
Rails 3.1 Awesomeness - what's new
- 1. Rails 3.1 awesomeness for roro Sydney Meet-up May 2011 Steven Ringo steven@dynamicclarity.com Ryan Bigg radarlistener@gmail.com
- 3. massive
- 4. see full list at https://gist.github.com/958283 *thanks to Ryan Bates for the list
- 5. jQuery new default jquery-rails gem prototype-rails gem
- 6. Sass (scss) is a first-class citizen wtf is sass? see also compass: http://compass-style.org/reference/compass/
- 8. CoffeeScript Compiles to JavaScript Ruby-like syntactic sugar to enhance JS Array comprehension and pattern matching Don’t freak out, its not mandatory
- 9. Identity Map in-memory cache to prevent duplicate retrieval of the same object data from the database
- 10. HTTP Streaming http://en.wikipedia.org/wiki/Manneken_Pis
- 11. a.k.a. chunked transfer encoding send content to the browser before the server is finished processing ostensibly faster page loads http://weblog.rubyonrails.org/2011/4/18/why-http-streaming classic asp had this in 1997: <%response.Buffer=true%>
- 13. ActiveModel::SecurePassword BCrypt = brute force resistant Can be made slower... (Moore’s law) class User < ActiveRecord::Base has_secure_password end
- 14. Reversible Migrations snoitargiM elbisreveR Migration system will figure out how to reverse your migration. Instance methods, not class methods. class MyMigration < ActiveRecord::Migration def change create_table(:horses) do t.column :content, :text t.column :remind_at, :datetime end end end
- 15. Mass assignment with roles class Post < ActiveRecord::Base attr_accessible :title attr_accessible :title, :published_at, :as => :admin end Post.new(params[:post], :as => :admin)
- 16. Railscasts on 3.1 ep #265 10/5/2011