R Books

Of all the free scripting languages, why should you learn Rexx? Rexx is unique in that it combines power with ease of use. Long the dominant scripting language on mainframes, it is definitely a "power" language, yet it is also so easy to use that its popularity has expanded to every conceivable platform. Today Rexx developers use the language on Wi

Use of redundant servers has long been a solution for meeting sudden spikes in demand, machine failures, and outages. Cloud services greatly reduce the cost and hassle of provisioning redundant equipment and load balancers and give you the ability to deal with separate network, application, and client-side loads. But today there are many options to

Application Programming Interfaces (APIs) are seemingly everywhere. Thanks to the popularity of web-based products, cloud-based X-as-a-service offerings, and IoT, it is becoming increasingly important for engineers to understand all aspects of APIs, from design, to building, to operation. Research shows that there is increasing demand for near real

PostgreSQL for Beginners book is intended for those who only start getting acquainted with the world of PostgreSQL. It contains some basic information about this DBMS and its main features, history of its creation and development roadmap, step-by-step installation instructions and a getting started guide. This small book was written for those who a

FreeCAD is the number one free software 3D design program, and this PDF guide is the best way to get started with it. We'll take you from absolute beginnner to advanced user, going from the basics of drawing a line and making it 3D all the way to parametric design, importing objects from photographs, designing for sheet metal, and loads more. Becau

Java can be clunky and slow. Learn how to optimize Java for today's compute and runtime demands with Quarkus - a Kubernetes-native platform. Quarkus for Spring Developers introduces Quarkus to Java developers, with a special eye to helping those familiar with Spring's conventions make a quick and easy transition. What you (a developer/architect) wi

Web Accessibility for Developers is a technical resource aimed primarily at programmers. Learn how to develop accessible interactivity on the Web and gain expertise using WAI-ARIA, a W3C specification that enables optimal use of assistive technologies, like screen readers, when navigating the Web. By the time you complete this book, you should be a

The number of Android devices running on Intel processors has increased since Intel and Google announced, that they would be working together to optimize future versions of Android for Intel Atom processors. Today, Intel processors can be found in Android smartphones and tablets made by some of the top manufacturers of Android devices, such as Sams

Learn how to leverage the BlackBerry 10 Cascades framework to create rich native applications. Learn BlackBerry 10 App Development gives you a solid foundation for creating BlackBerry 10 apps efficiently. Along the way, you will learn how to use QML and JavaScript for designing your app's UI, and C++/Qt for the application logic. No prior knowledge

This practical guide offers a clear introduction to network programming using Internet sockets, commonly referred to as 'sockets programming.' While the sockets API originated in Berkeley, it has since been adapted across various platforms, including Unix, Linux, and Windows. Though the API can be overwhelming at first, this book simplifies the lea