First of all, I think it isn't a prohibited question on StackOverflow since it's a precise question about environment, an objective question. But if it's prohibited, please tell me. Currently I'm d...

Right now I am working on rails 3.0.0. If I run my project in terminal, I get this warning. Please help me. /usr/share/ruby-rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.0.0/lib/action_dispatch/http/...

While troubleshooting a misbehavior in Spree where the product list was not paginating and was only listing the first 10 products or so, I attempted to reproduce the error in my local development e...

The release notes for Rails 3.0 include this change: 7.4.2 Helpers with Blocks Helpers like form_for or div_for that insert content from a block use <%= now: <%= form_for @post do |f| %> ...

In Rails 2 I would do def assert_layout(layout_name) assert_equal layout_name, @response.layout end and: assert_layout 'layouts/layout_name' This doesn't work in rails 3 anymore (undefin...

I have a rails application that is being upgraded from Rails 2.3.5 to Rails 3. It uses attachment_fu for file uploads. We're trying to do this conversion without making DB changes, so I'd like to a...

I'm about to start working on porting a company's old rails ap from 2.3/1.87 to the most recent version of rails. Should I wait for rails 4, or should I just to 3.2? We're going to take the ...

I am currently upgrading my application from rails 2.3 to 3.0 and ruby 1.9.3. After making the required changes and trying to access the home page of my app i'm getting the following error. Psych:...

I have a Rails app that was created using Rails 3.2.6. Now that 3.2.8 has been released, is this all I need to do to update the app? Edit Gemfile, changing the line gem 'rails', '3.2.6' to gem 'r...

I was upgrading to Rails 3.2.6 (ruby 1.9.3-p194) and installing RVM on Debian and using Apache2 server (2.2.19). I used these very nice instructions: http://dalibornasevic.com/posts/21-rvm-and-pass...

I have a fairly simple Rails remote form in HAML in a partial under shared/users: - remote_form_for :user, :url => { :controller => "users", :action => "create" } do |f| .field = f.labe...

Now that the Rails 3 beta is here, let's take a little straw poll. Please tell us briefly what your application does and when you will upgrade it to Rails 3. Or, if you're not planning on up...