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"An under-the-hood look at how the Ruby programming language runs code. Extensively illustrated with complete explanations and hands-on experiments. Covers Ruby 2.x"--
The extraordinary true story of Ruby Bridges, the first Black child to integrate a New Orleans school -- now with simple text for young readers! In 1960, six-year-old Ruby Bridges walked through an angry crowd and into a school, changing history. This is the true story of an extraordinary little girl who became the first Black person to attend an all-white elementary school in New Orleans. With simple text and historical photographs, this easy reader explores an amazing moment in history and celebrates the courage of a young girl who stayed strong in the face of racism.
Dottie Meyers, 35, is a real-life Dorothy Gale living with her little black dog on a small farm in Kansas that’s about to be hit by a tornado. Knocked unconscious by the storm, she awakes three months later at a recovery facility in California where her father, last seen when she was four, has left her a mysterious pair of ruby slippers. But unlike The Wizard of Oz, this isn’t a dream, and the yellow brick road journey that Dottie and three friends are about to take from Los Angeles to Seattle in search of her dad will show the realities of a broken childhood. More importantly, everything connected to those sparkling red shoes will prove to Dottie that there’s only one true wonder worker behind the so-called curtain who can heal her wounds and prepare the heart for love.
Ruby, a very small bird in a very big world, is looking for a friend, so she introduces herself in this stunning new picture book by Caldecott Medalist Stead ("A Sick Day for Amos McGee"). Full color.
Why spend time on coding problems that others have already solved when you could be making real progress on your Ruby project? This updated cookbook provides more than 350 recipes for solving common problems, on topics ranging from basic data structures, classes, and objects, to web development, distributed programming, and multithreading. Revised for Ruby 2.1, each recipe includes a discussion on why and how the solution works. You’ll find recipes suitable for all skill levels, from Ruby newbies to experts who need an occasional reference. With Ruby Cookbook, you’ll not only save time, but keep your brain percolating with new ideas as well. Recipes cover: Data structures including strings, numbers, date and time, arrays, hashes, files and directories Using Ruby’s code blocks, also known as closures OOP features such as classes, methods, objects, and modules XML and HTML, databases and persistence, and graphics and other formats Web development with Rails and Sinatra Internet services, web services, and distributed programming Software testing, debugging, packaging, and distributing Multitasking, multithreading, and extending Ruby with other languages
Articles presented here are mostly in the field of laser, plasma and spectroscopy which happens to be our field of research and teaching. The purpose of these articles is to popularize the new emerging fields of Science. All these fields are somehow or other related with one another. Spectroscopic devices are invariably used in generation and application of laser and plasma. Recently laser has been used for fusion reaction leading to the production of plasma resulting first time output energy more than the input one where spectroscopic devices are used to measure such a high temperature.
Ruby is one of the most important programming languages in use for web development. It powers the Rails framework, which is the backing of some of the most important sites on the web. The Pickaxe Book, named for the tool on the cover, is the definitive reference on Ruby, a highly-regarded, fully object-oriented programming language. This updated edition is a comprehensive reference on the language itself, with a tutorial on the most important features of Ruby - including pattern matching and Ractors - and describes the language through Ruby 3.3. Would you like to go from first idea to working code much, much faster? Do you currently spend more time satisfying the compiler instead of your clients or end users? Are you frustrated with demanding languages that seem to get in your way instead of helping you get the work done? Are you using Rails and want to dig deeper into the underlying Ruby language? If so, then we've got a language and book for you! Ruby is a fully object-oriented language. The combination of the power of a pure object-oriented language with the convenience of a scripting language makes Ruby a favorite tool of programmers that want to get things done quickly and cleanly. This comprehensive reference manual for Ruby includes a description of the most important standard library modules, built-in classes, and modules. It also includes all the new and changed syntax and semantics introduced through Ruby 3.3, including pattern matching and Ractors, and describes the language through Ruby 3.3. What You Need: This book assumes you have a basic understanding of object-oriented programming. In general, Ruby programmers tend to favor the the command line for running their code, and they tend to use text editors rather than IDEs. Ruby runs on Windows, Linux, and MacOS.
This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals" "The Thirty-Two Classes of Crystal Symmetry" and many more. Each publication has been professionally curated and includes all details on the original source material. This particular instalment, "Artificial Gemstones" contains information on their identification, production and much more. Intended to illustrate the main features of artificial gemstones it is a comprehensive guide for anyone wishing to obtain a general knowledge of the subject and to understand the field in its historical context. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Seventeen-year-old Ruby Thomas, newly responsible for her two young nieces after a devastating tragedy, is determined to keep her family safe in the vast, swirling world of 1920s New York City. She’s got street smarts, boundless determination, and one unusual skill: the ability to throw a ball as hard as the greatest pitchers in a baseball-mad city. From Coney Island sideshows to the brand-new Yankee Stadium, Diamond Ruby chronicles the extraordinary life and times of a girl who rises from utter poverty to the kind of renown only the Roaring Twenties can bestow. But her fame comes with a price, and Ruby must escape a deadly web of conspiracy and threats from Prohibition rumrunners, the Ku Klux Klan, and the gangster underworld. Diamond Ruby “is the exciting tale of a forgotten piece of baseball’s heritage, a girl who could throw with the best of them. A real page-turner, based closely on a true story” (Kevin Baker, author of Strivers Row).