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Build Awesome Command-Line Applications in Ruby 2
Build Awesome Command-Line Applications in Ruby 2

Speak directly to your system. With its simple commands, flags, and parameters, a well-formed command-line application is the quickest way to automate a backup, a build, or a deployment and simplify your life. With this book, you'll learn specific ways to write command-line applications that are easy to use, deploy, and maintain, using a set of clear best practices and the Ruby programming language. This book is designed to make any programmer or system administrator more productive in their job. Now updated for Ruby 2. Writing a command-line application that's self-documenting, robust, adaptable and forever useful is easier than you might think. Ruby is particularly suited to this task, because it combines high-level abstractions with "close to the metal" system interaction wrapped up in a concise, readable syntax. Plus, Ruby has the support of a rich ecosystem of open source tools and libraries. ...
Ruby Under a Microscope
Ruby Under a Microscope

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. You'll even find information on JRuby and Rubinius (two alternative implementations of Ruby), as well as in-depth explorations of Ruby's garbage collection algorithm. ...
Build Awesome Command-Line Applications in Ruby
Build Awesome Command-Line Applications in Ruby

As Ruby pro David Copeland explains, writing a command-line application that is self-documenting, robust, adaptable and forever useful is easier than you might think. Ruby is particularly suited to this task, since it combines high-level abstractions with "close to the metal" system interaction wrapped up in a concise, readable syntax. Moreover, Ruby has the support of a rich ecosystem of open-source tools and libraries. Ten insightful chapters each explain and demonstrate a command-line best practice. You'll see how to use these tools to elevate the lowliest automation script to a maintainable, polished application. You'll learn how to use free, open source parsers to create user-friendly command-line interfaces as well as command suites. You'll see how to use defaults to keep options simple for everyday users, while giving advanced users options for more complex tasks. ...
The dRuby Book
The dRuby Book

dRuby has been part of the Ruby standard library for more than a decade, yet few know the true power of the gem. Completely written in Ruby dRuby enables you to communicate between distributed Ruby processes as if there were no boundaries between processes. This is one of the few books that covers distributed and parallel programming for Ruby developers. The dRuby Book has been completely updated and expanded from its Japanese version, with three new chapters written by Masatoshi-san. You'll find out about the design concepts of the dRuby library, and walk through step-by-step tutorial examples. By building various distributed applications, you'll master distributed programming as well as advanced Ruby techniques such as multithreading, object references, garbage collection, and security. Then you'll graduate to advanced techniques for using dRuby with Masatoshi-san's other libraries, such as eRuby and Rind ...
MacRuby in Action
MacRuby in Action

MacRuby in Action is a tutorial for Ruby developers who want to code for Mac OS X without learning Objective-C. You'll learn the ins and outs of the MacRuby language, including straightforward examples of creating OS X applications using Cocoa components. MacRuby in Action teaches Ruby developers how to code OS X applications in Ruby. You'll explore key Cocoa design patterns, along with a few twists that MacRuby makes possible. You'll also pick up high-value techniques including system scripting, automated testing practices, and getting your apps ready for the Mac App Store. Written for Rubyists. No experience with Cocoa, Objective-C, or Mac OS X required. ...
Exploring Everyday Things with R and Ruby
Exploring Everyday Things with R and Ruby

If you're curious about how things work, this fun and intriguing guide will help you find real answers to everyday problems. By using fundamental math and doing simple programming with the Ruby and R languages, you'll learn how to model a problem and work toward a solution. All you need is a basic understanding of programming. After a quick introduction to Ruby and R, you'll explore a wide range of questions by learning how to assemble, process, simulate, and analyze the available data. You'll learn to see everyday things in a different perspective through simple programs and common sense logic. Once you finish this book, you can begin your own journey of exploration and discovery. ...
Deploying with JRuby
Deploying with JRuby

JRuby deployments have fewer moving parts and consume less memory than traditional Ruby deployments, but to deploy your apps on the JVM, you need to learn some new approaches. This book introduces you to three JRuby deployment strategies that will give you the performance and scalability you need while letting you use the language you love. You'll start by porting an existing application to JRuby preparing the app to take advantage of the JVM platform. Then you'll use Vagrant and Puppet to build a virtual production environment so you have a stable, reproducible place to explore JRuby deployment. ...
Ruby and MongoDB Web Development
Ruby and MongoDB Web Development

Step-by-step instructions and practical examples to creating web applications with Ruby and MongoDB. Learn to design the object model in a NoSQL way. Create objects in Ruby and map them to MongoDB. Learn about Mongoid and MongoMapper for mapping Ruby objects to MongoDB documents. Process large datasets with MapReduce. Create geo-spatial indexes or 2D indexes. ...
Ruby on Rails Tutorial, 2nd Edition
Ruby on Rails Tutorial, 2nd Edition

Using Rails, developers can build web applications of exceptional elegance and power. Although its remarkable capabilities have made Ruby on Rails one of the world's most popular web development frameworks, it can be challenging to learn and use. Ruby on Rails Tutorial, Second Edition, is the solution. Best-selling author and leading Rails developer Michael Hartl teaches Rails by guiding you through the development of your own complete sample application using the latest techniques in Rails web development. The updates to this edition include all-new site design using Twitter's Bootstrap; coverage of the new asset pipeline, including Sprockets and Sass; behavior-driven development (BDD) with Capybara and RSpec; better automated testing with Guard and Spork; roll your own authentication with has_secure_password; and an introduction to Gherkin and Cucumber. ...
Puppet Types and Providers
Puppet Types and Providers

Puppet's true power exists in the simple resource model it uses to manage the state of complex operating systems. This concise guide shows you how to extend that model and implement custom functionality on top of Puppet by working with the type and provider APIs. Two experts from Puppet Labs explain the concepts behind these APIs, and provide instructions and examples to help you write your own fully functional types and providers. You'll also delve into Puppet's source code to get a better understanding of how types and providers are implemented internally. If you're familiar with basic Puppet concepts, you're ready to get started. ...
RubyMotion
RubyMotion

Developers interested in native iOS app development have been restricted to the limits of Objective-C and Xcode - until RubyMotion came along. RubyMotion enables you do full iOS development using Ruby. You have access to familiar tools such as Rake and RubyGems and can compile Ruby code into native applications. RubyMotion even comes with a Ruby console useful for live coding and interactive debugging. And since RubyMotion is built on top of the Objective-C runtime, you can use all of Apple's libraries and most third-party code alongside Ruby classes. ...
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