This tutorial is an example of a typical registration form with Datamapper and Merb, we have:
- Unique username and email.
- Password confirm check.
- Terms and conditions agreement.
- And some more custom stuff implemented such as birthdate from year, month and day dropdowns.... Read More

The process of setting up Merb and Datamapper can easily derail, these are my experiences of setting them up on Ubuntu with XAMPP.... Read More