First, make a file in your /app/views/common_partials folder called â€˜_developer_info.html.erbâ€™
Into this, throw the following:
Show Developer Info
The above code sets up a hidden div in your view with a link at the bottom right. When you click the link it makes the hidden div visible (which is absolutely positioned over the top of all your content) and gives you a link to click it away again. Neat.
Now, to make all this Rails-foo goodness work, add the following to the very bottom of your application.html.erb file, just before the