Recent trends in computer architecture make concurrency and parallelism an essential ingredient of efficient program execution. The actor model of concurrency allows you to express real-world concurrency in a natural way using concurrent processes that communicate via asynchronous messages. Scala is a programming language for the Java...

Inkscape is an open...

Every organization, no matter what the business involved, to achieve efficiency needs efficient people working for them. For a long time now, operating systems and applications have represented important tools in the work of these people and organizations. And if we are not capable of providing users with the proper tools, gaining an...

There are times, however, when you need to present graphics, too. Typically, HTML...

I was first exposed to what would become the Internet way back in 1969, while I was still an undergraduate at Brandeis University working on ARPANet, the forerunner to the present Internet, which operated at the then blazing speed of 2,400 bps, ultimately increased to 50 Kbps (see http://www.computerhistory.org/internet_history/). I...

Today’s enterprises are investing massive resources in data integration. Many possess thousands of point-to-point data...

You may be reading this book for many reasons. It could be because you heard all about Hadoop and what it can do to crunch petabytes of data in a reasonable amount of time. While reading into Hadoop you found that, for random access to the accumulated data, there is something called HBase. Or it was the hype that is prevalent these days...

With the unprecedented rate at which data is being collected today in almost all elds of human endeavor, there is an emerging economic and scientic need to extract useful information from it. For example, many companies already have data-warehouses in the terabyte range (e.g., FedEx, Walmart). The World Wide Web has an estimated 800...

Since its release, Spring Framework has transformed virtually every aspect of Java development including web applications, security, aspect-oriented programming, persistence, and messaging. Spring Batch, one of its newer additions, now brings the same familiar Spring idioms to batch processing. Spring Batch addresses the needs of any batch...

Expert PL/SQL Practices is a book of collected wisdom on PL/SQL programming from some of the best and the brightest in the field. Each chapter is a deep-dive into a specific problem, technology, or feature set that you’ll face as a PL/SQL programmer. Each author has chosen their topic out of the strong belief that what they...

PHP is mainstream. Wherever you look, you will see PHP meet - ups, job openings, and major companies using this open source language to support their business. An open source language with such humble beginnings is now heavily rooted in the enterprise world. PHP is brushing shoulders with the “ the big kids ” now — the...

Stable and dependable IT services and infrastructures are nowadays of paramount importance not only for modern enterprises but also for home users. However, as distributed information infrastructures continue to spread and grow, resulting in Internet-based, wireless and mobile systems, traditional solutions for managing and...