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This book is the perfect first step for people who are interested in Ruby, particularly the growing number of the Ruby on Rails users. Fully revised and updated to cover Ruby 2.3, the second edition provides a guided, hands-on tour of the basic Ruby language structures.

Through many practical examples, you ll learn how all the pieces fit together, including variables, operators, control structures, and a wide variety of features specific to Ruby, such as exception handling and XML processing.

If you're a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You'll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns.

Regular expressions are an essential part of a programmer's toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When you've finished this book, you'll be familiar with the most commonly used syntax in regular expressions,...

Autism and Creativity is a stimulating study of male creativity and autism, arguing that a major genetic endowment is a prerequisite of genius, and that cultural and environmental factors are less significant than has often been claimed.
Chapters on the diagnosis and psychology of autism set the scene for a detailed examination of a number of important historical figures. For example:
* in the Indian mathematician Ramanujan, the classic traits of Asperger's syndrome are shown to have coexisted with an extraordinary level of creativity
* more unexpectedly, from the...

Developers and system administrators alike are uncovering the true power of XML, the Extensible Markup Language that enables data to be sent over the Internet from one computer platform to another or one application to another and retain its original format. Flexible enough to be customized for applications as diverse as web sites, electronic data interchange, voice mail systems, wireless devices, web services, and more, XML is quickly becoming ubiquitous.XML Hacks is a roll-up-your-sleeves guide that distills years of ingenious XML hacking into a complete set of practical tips,...