SharePoint Dragons

This is a question we regularly get questions about. Sometimes you’d really like to deploy a solution to a specific web app, but SharePoint won’t allow you to if your solution contains no resources scoped for a Web application.This article shows how to get out of this situation by adding a dummy control and tricking SharePoint to believe that the solution in fact contains web specific solutions: http://sharedpointers.blogspot.com/2011/03/deploying-solutions-to-specific-web.html