search for: my_method_called

Hi, I''m wondering if there is a simple solution to call a method once per page request. I tried to place my call in a before_filter in ApplicationController but it''d called a second time if I use render_component from a view. Seems to me that a hook should be added in Dispatcher#prepare_application. Context: working on i18n, I''m trying to check lang either from uri,