Ticket #3936: easy_reload.diff

railties/environments/development.rb

@@ -17 +17 @@
-
-# Don't care if the mailer can't send
-config.action_mailer.raise_delivery_errors = false
+
+# Provide an easy way to reload the application from irb
+Object.const_get( 'Kernel' ).module_eval do
+  def reset!; Dispatcher.reset_application! end
+  alias_method :r!, :reset!
+end