Our understanding of how the human brain performs mathematical calculations is far from complete, but in recent years there have been many exciting breakthroughs by scientists all over the world. Now, in The Number Sense, Stanislas Dehaene offers a fascinating look at this recent research, in an enlightening exploration of the...

Discrete optimization problems are everywhere, from traditional operations research planning problems, such as scheduling, facility location, and network design; to computer science problems in databases; to advertising issues in viral marketing. Yet most such problems are NP-hard. Thus unless P = NP, there are no efficient algorithms to find...

Many years ago, when I had to learn C overnight to make a living as a programmer (this was before C++), I would have given half my salary to find a mentor, a person would say, “Here are the potholes in the road...errors that you are sure to make in learning C. And here’s how to steer around them.” Instead, I had to...

The Internet has had and will continue to have a profound effect on society. It is hard to imagine life without such technologies as computers, cell phones, gaming devices, and so on. The Internet, World Wide Web, and their associated technologies have altered our social and personal experience of the world. In no other time in...

The IBM i operating system running on IBM Power Systems is a platform in transition. Many think the system is obsolete, largely due to its infamous green screen. Nothing, though, could be further from the truth. When IBM embraced open-source software such as Linux, MySQL, and Zend PHP, the system cemented a formidable position in...

Start-to-finish RHCSA™ and...

Android is hot, and many people are developing Android applications (apps for short). Perhaps you would also like to develop apps, but are unsure about how to get started. Although you could study Google’s online Android Developer’s Guide (http://developer.android.com/guide/index.html) to acquire the needed knowledge, you...