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Rails 4.0 Whirlwind Tour

Andy Lindeman

1 min read

Oct 21, 2012

Rails 4.0 Whirlwind Tour

Rails 4.0 has yet to be released, but since it might be here by Christmas, it’s time to start getting ready.

Some Rails 4.0 features can be used today, and I describe how in the whirlwind tour I recently put together for the Atlanta Ruby Users Group.

Highlights of Rails 4.0

  • Rails.queue

  • strong_parameters

  • Turbolinks

  • Russian Doll Caching (cache_digests)

  • ActionController::Live (streaming)

  • PATCH verb

  • Routing concerns

  • Extraction of activeresource

  • ActiveRecord::Relation changes and improvements

  • Removal of plugin support (not gems; only those that are installed in vendor/plugins)

  • Removal of Rails 2 finder syntax

  • Deprecation of most dynamic finders

  • Deprecation of eager-evaluated scopes

I recommend watching the talk, and using the slide deck as a reference.

Wanting to learn Ruby on Rails? Come to the next Beginning Ruby on Rails Bootcamp, Jan. 26-Feb. 1 at the Atlanta Ranch.

Mark Dalrymple

Reviewer Big Nerd Ranch

MarkD is a long-time Unix and Mac developer, having worked at AOL, Google, and several start-ups over the years.  He’s the author of Advanced Mac OS X Programming: The Big Nerd Ranch Guide, over 100 blog posts for Big Nerd Ranch, and an occasional speaker at conferences. Believing in the power of community, he’s a co-founder of CocoaHeads, an international Mac and iPhone meetup, and runs the Pittsburgh PA chapter. In his spare time, he plays orchestral and swing band music.

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