If you know basic high-school math, you can quickly learn and apply the core concepts of computer science with this concise, hands-on book. Led by a team of experts, you’ll quickly understand the difference between computer science and computer programming, and you’ll learn how algorithms help you solve computing problems.Each chapter builds on material introduced earlier in the book, so you can master one core building block before moving on to the next. You’ll explore fundamental...

Ruby Essentials provides a concise and easy to follow guide to learning Ruby. Everything from installing Ruby and the basics of the language through to topics such as arrays file handling and object-oriented programming are covered all combined with easy to understand code examples which serve to bridge the gap between theory and practice. Ruby Essentials is designed to be of equal use both to those experienced in other programming languages and to novices who have chosen Ruby as their "first...

#1 NEW YORK TIMES BESTSELLER • NOW A MAJOR MOTION PICTUREA mission to Mars. A freak accident. One man’s struggle to survive. From the author of Project Hail Mary comes “a hugely entertaining novel that reads like a rocket ship afire” (Chicago Tribune).“Brilliant . . . a celebration of human ingenuity [and] the purest example of real-science sci-fi for many years . . . utterly compelling.”—The Wall Stre...

Tap into the wisdom of experts to learn what every programmer should know, no matter what language you use. With the 97 short and extremely useful tips for programmers in this book, you'll expand your skills by adopting new approaches to old problems, learning appropriate best practices, and honing your craft through sound advice.With contributions from some of the most experienced and respected practitioners in the industry--including Michael Feathers, Pete Goodliffe, Diomidis Spi...

Ruby is a powerful programming language with a focus on simplicity, but beneath its elegant syntax it performs countless unseen tasks.Ruby Under a Microscope gives you a hands-on look at Ruby’s core, using extensive diagrams and thorough explanations to show you how Ruby is implemented (no C skills required). Author Pat Shaughnessy takes a scientific approach, laying out a series of experiments with Ruby code to take you behind the scenes of how programming languages work....

Ruby was designed by Matz, who is also called as Yukihiro Matsumoto. This is a scripting language and it can run on many different platforms like Mac OS, Windows and also different versions of UNIX. Ruby is an object oriented scripting language because even strings and integers are also having intrinsic properties and methods.

Take advantage of Sinatra, the Ruby-based web application library and domain-specific language used by Heroku, GitHub, Apple, Engine Yard, and other prominent organizations. With this concise book, you will quickly gain working knowledge of Sinatra and its minimalist approach to building both standalone and modular web applications.Sinatra serves as a lightweight wrapper around Rack middleware, with syntax that maps closely to functions exposed by HTTP verbs, which makes it ideal f...

Get started with Puppet, and learn how this popular configuration management framework helps you automate your servers. This concise introduction shows you how to use Puppet’s tools and templates to organize and execute configuration plans on Linux, Unix, and Windows servers. Through code samples and real-world examples, you’ll learn how to manage pools of servers and virtual instances, and how to administer access control. If you’re new to Puppet, but familiar with systems administration ...

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What will you learn from this book?What’s all the buzz about this Ruby language? Is it right for you? Well, ask yourself: are you tired of all those extra declarations, keywords, and compilation steps in your other language? Do you want to be a more productive programmer? Then you’ll love Ruby. With this unique hands-on learning experience, you’ll discover how Ruby takes care of all the details for you, so you can simply have fun and get more done with less code.

This book aims to give a practical guide to developing and scaling a Ruby Rails application with a focus on mobile devices and the issues with using a Single Page Application (SPA). Websites are getting more and more traffic from mobiles devices that it has become important to prioritise development to mobilise your web page, even for sites which also have native apps. We will cover enough Ruby Rails to get started and some advanced topics to give you an overview of the language capabiliti...

Rails is a robust, flexible development platform that lets you build complex websites quickly. Major websites like GitHub, Hulu, and Twitter have run Rails under the hood, and if you know just enough HTML and CSS to be dangerous, Rails Crash Course will teach you to harness Rails for your own projects and create web applications that are fast, stable, and secure.In Part I, you’ll learn Ruby and Rails fundamentals and then dive straight into models, controllers, views, and ...