Takes some pieces from a rails 3.2 default application.rb file

config/application.rb

@@ -14,10 +14,35 @@ module Nineminutes
     # asset packaging
     config.serve_static_assets = true
 
+    # Only load the plugins named here, in the order given (default is alphabetical).
+    # :all can be used as a placeholder for all plugins not explicitly named.
+    # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
+
+    # Activate observers that should always be running.
+    # config.active_record.observers = :cacher, :garbage_collector, :forum_observer
+
+    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
+    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
+    config.time_zone = 'Vienna'
+    config.active_record.default_timezone = :local
+
+    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
+    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
+    # config.i18n.default_locale = 'de-AT'
+    # config.i18n.available_locales = 'de-AT'
+
+    # Configure the default encoding used in templates for Ruby 1.9.
     config.encoding = "utf-8"
 
+    # Configure sensitive parameters which will be filtered from the log file.
     config.filter_parameters += [:password]
 
+    # Enforce whitelist mode for mass assignment.
+    # This will create an empty whitelist of attributes available for mass-assignment for all models
+    # in your app. As such, your models will need to explicitly whitelist or blacklist accessible
+    # parameters by using an attr_accessible or attr_protected declaration.
+    config.active_record.whitelist_attributes = true
+
     # Enable the asset pipeline
     config.assets.enabled = true
 
@@ -26,6 +51,19 @@ module Nineminutes
 
     config.assets.initialize_on_precompile = false
 
+    # precompile all assets that don't start with an underscore '_'
+    # so we don't have to list all of them here. This is similar to
+    # the view layer where files with '_' are partials which are only
+    # included in other files.
+    # idea taken from: https://github.com/rails/rails/issues/3094
+    config.assets.precompile = [ /
+      ^          # Start of path
+      ((.*?)\/)? # Any directories
+      (?!_)      # Leading underscore
+      [^\/]*     # Everything else
+      $          # End of path
+    /x ]
+
     # Defaults to '/assets'
     # config.assets.prefix = '/asset-files'
   end