In Rails 3 files in lib/ are no longer loaded by default. It's a snap to auto load these classes by adding the following line to config/application.rb config.autoload_paths += %W(#{config.root}/lib) This is commented out around line 16. Either rep...

%e # rather than %d Time.now.strftime("%e")

Versioning models with the acts_as_versioned plugin cd rails/app ./script/plugin install git://github.com/technoweenie/acts_as_versioned.git ./script/generate model post title:string body:text In your model class Post < ActiveRecord::Base acts_as_ve...

In your environment.rb file turn off timestamped migrations like so: config.active_record.timestamped_migrations = false

It appears that the :disable_with option on the submit_tag form helper method does not behave as expected with remote forms. I'm not sure if this is a bug or not. But the fix is pretty straight forward, but perhaps a little difficult to trouble shoot. Usi...