When computer software succeeds—when it meets the needs of the people who use it, when it performs flawlessly over a long period of time, when it is easy to modify and even easier to use—it can and does change things for the better. But when software fails—when its users are dissatisfied, when it is error prone, when...

What’s this book all about? Well, it’s about how to develop software, from a personal perspective. We’ll look at what it means for you to take a problem and produce a program to solve it from beginning to end. That said, this book focuses a lot on design. How do you design software? What things do you take into...

Redis is a data structure server with an in-memory dataset for speed. It is called a data structure server and not simply a key value store because Redis implements data structures allowing keys to contain binary safe strings, hashes, sets and sorted sets, as well as lists. This combination of flexibility and speed makes Redis the ideal tool...

Performance problems are rarely "problems" per se. They are more often "crises" during which you’re pressured for results by a manager standing outside your cubicle while your phone rings with queries from the help desk. You won’t have the time for a leisurely perusal of the manuals, nor to lean back and read a...

I first began developing social applications when Facebook opened up its developer platform in 2007, giving people like me a taste of the extensive social data that an application can use to improve growth and target personalization settings. At the time, I was building social fantasy sports applications for CBSSports.com, pulling user...

While this second edition was being written, Microsoft and Nokia formally announced their partnership and...

The D5100 is an amazing bit of technology and a very capable tool for creating photographs that you will be proud to show others. The intention of this book is not to be a rehash of the owner’s manual that came with the camera, but rather to be a resource for learning how to improve your photography while specifically using your...

Knowledge Management is fast becoming a hot topic of discussion and research. The capture, use, production and storage of knowledge is an issue of paramount importance for businesses, universities, public and private organizations. Because this is such an important topic, it is essential for researchers, academicians and managers to...

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...

AutoCAD, developed by Autodesk Inc., is the most popular PC-CAD system available in the market. Today, over 7 million people use AutoCAD and other AutoCAD based design products. 100% of the Fortune 100 firms are Autodesk customers and 98% of the Fortune 500 firms are Autodesk customers. AutoCAD's open architecture has allowed...

AutoCAD, developed by Autodesk Inc., is the most popular PC-CAD system available in the market. Today, over 7 million people use AutoCAD and other AutoCAD based design products. 100% of the Fortune 100 firms are Autodesk customers and 98% of the Fortune 500 firms are Autodesk customers. AutoCAD’s open architecture has allowed...

Results matter, whether you are a mathematician, scientist, or engineer. The time that you spend doing tedious mathematical calculations could be spent in more productive ways. Sage is an open-source mathematical software system that helps you perform many mathematical tasks. There is no reason to compute integrals or perform algebraic...