scope :visible, -> { where(:visible => true) }
- validates :title, :body, :presence => true, :invalid_chars => true
- validates :title, :length => 1..255
+ validates :title, :presence => true, :length => 1..255, :characters => true
+ validates :body, :presence => true, :characters => true
validates :latitude, :allow_nil => true,
:numericality => { :greater_than_or_equal_to => -90,
:less_than_or_equal_to => 90 }