Handy pocket reference offers brief yet clear explanation of Ruby's core components, from operators to reserved words to structure the data with method syntax, highlighting key features that you may use every day when coding Ruby. Whether you've come to Ruby because of Rails web development framework - Ruby's killer app '- or just because it is clean, relatively strong and expressive language that is useful for many applications, the Ruby Pocket Reference is set to help you find what you need quickly . This book will not only make you get up to speed on how Ruby works, providing you with a handy reference that you can use anywhere, anytime. In this book, you will find important information about: Reserved words, operators, comments, numbers, variables, stove, and symbols andglobal Predefined variables constant conditional statements, using the methods, classes, and modules (mixins) List of methods from Object, String, Array, and Hash classes and modules sprintf andtime kernel directory format Interactive Ruby (irb) and Ruby Ruby debugger documentation You also get information about rubygems package utility and Rake, build a similar tool to make ..