search for: find_all_by_categori

I need to check if a parameter is set so that I can build some information for my application, but No matter how I format my if statement in the file " Application.rb" it return the following error. You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occurred while evaluating nil.[] Here is the line if params[:day] So we

What is the equivalent of the WHERE SQL condition in rails? I''m thinkin this could be something like: <% for product in @products where category="1" %> but obviously the syntax is wrong. -- Posted via http://www.ruby-forum.com/.