I saved a file in an app's application content (right clicked the application file, and then clicked Show Package Contents) for security issues. However, during the upgrade to OS X Lion, I completely forgot it was there and subsequently the app was updated and the file is gone! It was the application Stickies, in case that's helpful. Does anyone know if there's any way I can recover it?
EDIT: No longer looking for a solution, files have been found using diskdrill.