Hadoop in Action teaches readers how to use Hadoop and write MapReduce programs. The intended readers are programmers, architects, and project managers who have to process large amounts of data offline. Hadoop in Action will lead the reader from obtaining a copy of Hadoop to setting it up in a cluster and writing data...

Your success—and sanity—are closer at hand when you work at a higher level of abstraction, allowing your attention to be on the business problem rather than the details of the programming platform. Domain Specific Languages -- “little languages” implemented on top of conventional programming languages -- give...

For a long time, the world of Erlang programming had only one book—The Book,1 released in 1993 and revised in 1996. Fanatics can still find it in print, at a price of over $100. A decade or so after its publication, The Book was getting long in the tooth, to say the least. The language had evolved to include several new and...

After completing my master’s degree, I moved from Poland to Germany and began working as a .NET developer for a company full of experts in … Clarion. The Clarion folks were developing the company’s flagship—very successful leasing software—and I was left to do “the rest”: a bit of...

In Windows, there's a control panel, dialog box, console, or wizard to manage every component of a system. There are thousands of them—so many that it can be nearly impossible to keep track of all the locations and settings one needs to administer Windows effectively. PowerShell provides administrators with a single,...

The authors of this book have taken an ambitious and aggressive approach to teaching Clojure. You know how everyone loves to say they teach using the “drinking from a fire hydrant” method? Well, at times it feels like these guys are trying to shove that fire hydrant right up... let’s just say it’s a place...

When I started working with OSGi technology back in 2000, I would’ve never guessed I’d still be working with it a decade later. Back then, OSGi was targeting the embedded market niche, but that wasn’t my area of interest. I wanted to create highly dynamic, modular applications, and OSGi gave me the possibility of...

What brought the five of us together to write a book on Apache Tuscany and Service Component Architecture (SCA)? We all had practical experience of how difficult and costly integration of applications and technologies can be, and we were excited about how Tuscany and SCA can help solve these problems. Having been involved...