app/views/active_scaffold_overrides/_show_association.html.erb
<% associated = column.association.singular? ? [parent_record.send(column.name)].compact : parent_record.send(column.name).to_a -%>
<%= render :partial => "show_association_#{show_partial}", :locals => {:column => column, :parent_record => parent_record, :associated => associated} if associated.present? %>