Have you ever wanted to convert a hex string to an integer or convert an integer to a hex string? Java makes this conversion a simple process. This tutorial shows you how.
Any good Web framework needs a solid persistence strategy. In this second installment of his Mastering Grails series, Scott Davis introduces the Grails Object Relational Mapping (GORM) API. See how easy it is to create relationships between tables, enforce data validation rules, and change relational databases in your Grails applications.