search for: display_thumb

...per method in my Rails app that uses Minimagick as a plugin. All is fine except for the write step where I attempt to write the resized file to another directory. I get the error: "undefined method `to_str'' for #<Array:0x25221e8>" Here''s my resizing method: def display_thumb(product_id) # glob through images/books/thumbs dir to find thumb that matches isbn of book p = Product.find(product_id).isbn z = Dir["#{RAILS_ROOT}/public/images/books/#{p}.{gif,jpg,png}"] i = MiniMagick::Image.new(z) w = i[:width] h = i[:height] w = w.to_f h = h.to_f ma...