Responding to the demand for more in-depth Grails coverage that goes beyond the typical use cases, this book helps experienced web developers learn Grails best practices for building and deployment, debugging and problem solving, creating and using Grails plugins, as well as testing, security, performance, scaling, tuning, and monitoring.

If you’ve been tasked with the job of maintaining large and complex Hadoop clusters, or are about to be, this book is a must. You’ll learn the particulars of Hadoop operations, from planning, installing, and configuring the system to providing ongoing maintenance.

Clojure is a practical, general-purpose language that offers expressivity rivaling other dynamic languages like Ruby and Python, while seamlessly taking advantage of Java libraries, services, and all of the resources of the JVM ecosystem. This book helps you learn the fundamentals of Clojure with examples relating it to the languages you know already, in the domains and topics you work with every day. See how this JVM language can help eliminate unnecessary complexity from your programming practice and open up new options for solving the most challenging problems.

Clojure is a practical, general-purpose language that offers expressivity rivaling other dynamic languages like Ruby and Python, while seamlessly taking advantage of Java libraries, services, and all of the resources of the JVM ecosystem. This book helps you learn the fundamentals of Clojure with examples relating it to the languages you know already, in the domains and topics you work with every day. See how this JVM language can help eliminate unnecessary complexity from your programming practice and open up new options for solving the most challenging problems.

If you want to keep up with the significant changes in this important language, you need the second edition of Programming Clojure. Stu and Aaron describe the modifications to the numerics system in Clojure 1.3, explain new Clojure concepts such as Protocols and Datatypes, and teach you how to think in Clojure.

Get started with Spring Integration, the lightweight Java-based framework that makes designing and developing message-oriented architectures a breeze. Through numerous examples, you’ll learn how to use this open source framework’s basic building blocks to work with both inter- and intra-application programming models.

What does it take to build well-engineered Android applications? Explore Android's core building blocks and APIs in depth with this authoritative guide (updated to cover the Ice Cream Sandwich version of Android), and learn how to create compelling apps that work on a full range of Android devices. You'll work with proven approaches to app design and implementation—including application frameworks that you can use as a starting point for your own projects.

What does it take to build well-engineered Android applications? Explore Android's core building blocks and APIs in depth with this authoritative guide (updated to cover the Ice Cream Sandwich version of Android), and learn how to create compelling apps that work on a full range of Android devices. You'll work with proven approaches to app design and implementation—including application frameworks that you can use as a starting point for your own projects.

Take control of your home! Automate home appliances and lighting, and learn about Arduinos and Android smartphones. Create applications that leverage ideas from this and other exciting new platforms.

Take control of your home! Automate home appliances and lighting, and learn about Arduinos and Android smartphones. Create applications that leverage ideas from this and other exciting new platforms.