Head First Ruby
Head First Ruby uses an engaging, active approach to learning that goes beyond dry, abstract explanations and reference manuals. This Head First guide teaches you the Ruby language in a concrete way that gets your neurons zapping and helps you become a Ruby genius. You'll enter at Ruby's language basics and work through progressively advanced Ruby features such as classes, inheritance, and blocks. As your Ruby skills grow, you'll tackle deep topics such as exception handling, modules, and mixins. You'll end by writing your own web app. more »
Mastering Chef
Chef is a configuration management tool that turns IT infrastructure into code. Chef provides tools to manage systems at scale. This book will take you through the Chef code, tools, and components to manage your environments using the Chef server efficiently. The book starts with an introduction to the Chef ecosystem, taking you through the terminologies used in Chef, the anatomy of a chef-client run, and Chef solo. You will learn how to use Knife and its associated plugins to accomplish daily routine tasks in a more efficient way. You will also learn how to speed this up by using Ruby with Chef, which will allow you to write more efficient infrastructure code. This book then introduces you to cookbooks and how to extend chef-client through the use of Lightweight Resource/Provider. It tells you how to keep all kind of configurations in key-value pair efficiently, by introducing you to data bags and templates. Then you will get a walkthrough of Chef's wonderful APIs and the extended functionalities of Chef. By the end of the book you will be so well-versed with Chef that you'll be able to explore some fun uses of Chef, which will allow for better productivity. more »
Amazon S3 Cookbook
Amazon S3 is one of the most famous and trailblazing cloud object storage services, which is highly scalable, low-latency, and economical. Users only pay for what they use and can store and retrieve any amount of data at any time over the Internet, which attracts Hadoop users who run clusters on EC2.

The book starts by showing you how to install several AWS SDKs such as iOS, Java, Node.js, PHP, Python, and Ruby and shows you how to manage objects. Then, you'll be taught how to use the installed AWS SDKs to develop applications with Amazon S3. Furthermore, you will explore the Amazon S3 pricing model and will learn how to annotate S3 billing with cost allocation tagging. In addition to this, the book covers several practical recipes about how to distribute your content with CloudFront, secure your content with IAM, optimize Amazon S3 performance, and notify S3 events with Lambada. more »
Redis Essentials
Redis is the most popular in-memory key-value data store. It's very lightweight and its data types give it an edge over the other competitors. If you need an in-memory database or a high-performance cache system that is simple to use and highly scalable, Redis is what you need.

Redis Essentials is a fast-paced guide that teaches the fundamentals on data types, explains how to manage data through commands, and shares experiences from big players in the industry.

We start off by explaining the basics of Redis followed by the various data types such as Strings, hashes, lists, and more. Next, Common pitfalls for various scenarios are described, followed by solutions to ensure you do not fall into common traps.

After this, major differences between client implementations in PHP, Python, and Ruby are presented. Next, you will learn how to extend Redis with Lua, get to know security techniques such as basic authorization, firewall rules, and SSL encryption, and discover how to use Twemproxy, Redis Sentinel, and Redis Cluster to scale infrastructures horizontally. At the end of this book, you will be able to utilize all the essential features of Redis to optimize your project's performance. more »
Ruby Pocket Reference, 2nd Edition
Updated for Ruby 2.2, this handy reference offers brief yet clear explanations of Ruby's core elements - from operators to blocks to documentation creation—and highlights the key features you may work with every day. Need to know the correct syntax for a conditional? Forgot the name of that String method? This book is organized to help you find the facts fast.

Ruby Pocket Reference, 2nd Edition is ideal for experienced programmers who are new to Ruby. Whether you've come to Ruby because of Rails, or you want to take advantage of this clean, powerful, and expressive language for other applications, this reference will help you easily pinpoint the information you need. more »
Flask Blueprints
Flask is a small but powerful web development framework for Python. Though Flask is termed a micro-framework, it is no way lacking in functionality; there are many extensions available to Flask which helps it to function at the same level as other large frameworks such as Django and Ruby on Rails.

This book will demonstrate how to develop a series of web application projects with the Python web micro-framework, and leverage extensions and external Python libraries and APIs to extend the development of a variety of larger and more complex web applications.

The book will start by explaining Python's Virtualenv library and how to create and switch between multiple virtual environments. You'll first build an SQL database-backed application, which will use Flask-WTF, Flask-SQLAlchemy, Jinja templates, and other methods. Next you'll move on to a timeline application, built using concepts including pytest-Flask, the Blinker package, data modelling for user timelines, exception handling, and creating and organizing CLI tools.

Moving on, you'll discover how to implement a photo timeline application where you'll explore topics such as writing and running celery tasks, API error handling and testing, and Werkzeug middlewares. more »
Ruby Performance Optimization
You don't have to accept slow Ruby or Rails performance. In this comprehensive guide to Ruby optimization, you'll learn how to write faster Ruby code - but that's just the beginning. See exactly what makes Ruby and Rails code slow, and how to fix it. Alex Dymo will guide you through perils of memory and CPU optimization, profiling, measuring, performance testing, garbage collection, and tuning. You'll find that all those “hard” things aren't so difficult after all, and your code will run orders of magnitude faster. more »
Rails, Angular, Postgres, and Bootstrap
As a Rails developer, you care about user experience and performance, but you also want simple and maintainable code. Achieve all that by embracing the full stack of web development, from styling with Bootstrap, building an interactive user interface with AngularJS, to storing data quickly and reliably in PostgreSQL. Take a holistic view of full-stack development to create usable, high-performing applications, and learn to use these technologies effectively in a Ruby on Rails environment. more »
Beginning Ruby, 3rd Edition
Learn the principles behind object-oriented programming and within a few chapters create a fully functional Ruby application. You'll also gain a basic understanding of many ancillary technologies such as databases, XML, web frameworks, and networking - some of which are needed as part of a fully functioning Ruby application.

Based on the bestselling first and second editions, Beginning Ruby, 3rd Edition is a leading guide to learn Ruby from the ground up. The new edition of this book provides the same excellent introduction to Ruby as the previous editions plus updates for the newest version of Ruby 2.3 which includes new garbage collection support of symbol type objections, a new incremental garbage collector, memory management, vfork(2) with system and spawn functions and much more. This book can also be used as a textbook or companion to a textbook on beginning Ruby programming.

The light and agile Ruby programming language remains a very popular open source scripting option for developers building today's web and even some enterprise applications. And, now, Ruby also has applications using the Raspberry Pi, popular among hobbyists and makers. Many former Java developers still use Ruby on Rails today, the most popular framework for building Ruby applications. more »
Beginning RPG Maker MV, 2nd Edition
Create your very own role playing game using the RPG Maker MV game development engine. You'll go through tutorials and exercises that will take you from installing the software to putting the final touches upon your first project. Beginning RPG Maker MV has been designed with the complete beginner in mind who has little to no experience with the engine. It includes full JavaScript code, replacing the old Ruby commands.

Game design can be quite a daunting challenge, as it generally involves a large amount of programming know-how on top of having to plan everything out that makes a good game what it is. RPG Maker MV is an intuitive system that allows you to make your own game with a fraction of the effort otherwise required. Beginning RPG Maker MV equips you with the knowledge you need to use Enterbrain's newest role playing game development engine. more »