Update protip slug to use -- as a separator

ddyy · ddyy · commit e1b4d1fd6695 · 2014-10-24T16:46:37.000+08:00
diff --git a/app/controllers/protips_controller.rb b/app/controllers/protips_controller.rb
@@ -404,7 +404,7 @@ def expand_query(query_string)
   end
 
   def lookup_protip
-    @protip = if public_id = params[:id].split('-').first
+    @protip = if public_id = params[:id].split('--').first
                 Protip.find_by_public_id(public_id.downcase)
               else
                 nil
diff --git a/app/models/protip.rb b/app/models/protip.rb
@@ -956,7 +956,7 @@ def to_html
   end
   
   def slug_format
-    "#{public_id}-#{title}"
+    "#{public_id}--#{title}"
   end
   
   protected
