What are the differences betweeen Rails 2.x and Rails 3
- 4 Answers
- 12074 Views
- Al Larin, Baidu, CTS, I also Faced
- E-Mail Answers
Answer Posted / dayanthan
(1) Introduction of bundler (New way to manage your gem
dependencies)
* (2) Gemfile and Gemfile.lock (Where all your gem
dependencies lies, instead of environment.rb)
* (3) A new .rb file in config/ folder, named as
application.rb (Which has everything that previously
environment.rb had)
* (4) Change in SQL Structure: Model.where(:activated => true)
* (5) All the mailer script will now be in app/mailers
folder, earlier we kept inside app/models.
* (6) Rails3-UJS support. for links and forms to work as
AJAX, instead of writing complex lines of code, we write
:remote => true
* (7) HTML 5 support.
* (8) Changes in the model based validation syntax:
validates :name, :presence => true
* (9) Ability to install
windows/ruby/jruby/development/production specific gems to
Gemfile.
group :production do
gem 'will_paginate'
end
| Is This Answer Correct ? | 22 Yes | 2 No |
Post New Answer View All Answers
What is a proc ?
Explain view in rails?
Are there any disadvantages of ruby on rails? If yes, mention them.
What is the difference between Render vs. Redirect_to in ruby on rails ?
Can you list out what can rails migration do?
What do you understand by rails migration and what it can do?
Explain what is the role of the subdirectories app/controllers and app/helpers in rails?
Write the command to update rvm in rails.
What is agile development? What are the strengths?
How you run your rails application without creating databases?
how can you declare a block in Ruby?
What is the difference between delete and destroy ?
Explain what are the servers supported by ruby on rails?
how many types of callbacks available in ror?
What is the latest version of ruby on rails?
