madsheep

class Hash
  def keep_on_trying(*args)
    args.inject(self.dup){|memo, e|  memo.dup.delete(e) if memo.is_a?(Hash)   }
  end
end

ruby-1.9.2-head :109 > a
 => {:test=>{:this=>"aaa"}} 
ruby-1.9.2-head :110 > a.keep_on_trying(:test)
 => {:this=>"aaa"} 

madsheep

class ActiveRecord::Base
  establish_connection YAML.load_file("#{Rails.root}/config/database.yml")[Rails.env].symbolize_keys
end

madsheep

#production.rb
if defined?(PhusionPassenger)
  PhusionPassenger.on_event(:starting_worker_process) do |forked|
    # Only works with DalliStore
    Rails.cache.reset if forked
  end
end

#config/initializers/i18n.rb