Yeah I've looked briefly at and before and not gotten it's use, this is awesome. In a similar vein it's possible to just hang on a rescue at the end, very prac

Yeah I've looked briefly at and before and not gotten it's use, this is awesome. In a similar vein it's possible to just hang on a rescue at the end, very practical and easy to read, like in a view: <% percent = (count /total.to_f * 100 ).round_with_precision(2) rescue 0 %>