The scope’s body needs to be wrapped in something callable like a Proc or Lambda: scope :visible, -> { where(:visible => true) } The reason for this is that it ensures the contents of the block is evaluated each time the scope is used.
You’re receiving an encoding error because your filesystem isn’t configured to encode the date you’ve added (since presumably it includes new characters – possibly in your HTML entity encoded map URL – that didn’t exist in your prior data seed). The following will should resolve this error by setting the UTF-8 locale on your machine: … Read more