This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
Ken Kousen demoes 10 cases when he says it’s better to use Groovy: XML (and JSON), JDBC, I/O (Files), Collections, Closures, Builders, AST Transformations, Meta-programming, Spock, and Gradle.