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Most successful Ruby applications become difficult to maintain over time as the codebase grows in size. Polished Ruby Programming provides you with recommendations and advice for designing Ruby programs that are easy to maintain in the long term.
This book takes you through implementation approaches for many common programming situations, the trade-offs inherent in each approach, and why you may choose to use different approaches in different situations. You'll start by learning fundamental Ruby programming principles, such as correctly using core classes, class and method design, variable usage, error handling, and code formatting. Moving on, you'll learn higher-level programming principles, such as library design, use of metaprogramming and domain-specific languages, and refactoring. Finally, you'll learn principles specific to web application development, such as how to choose a database and web framework, and how to use advanced security features.
By the end of this Ruby programming book, you'll have gained the skills you need to design robust, high-performance, scalable, and maintainable Ruby applications.
While most code examples and principles discussed in the book apply to all Ruby versions, some examples and principles are specific to Ruby 3.0, the latest release at the time of publication.
What you will learn
Use Ruby's core classes and design custom classes effectively
Explore the principles behind variable usage and method argument choice
Implement advanced error handling approaches such as exponential backoff
Design extensible libraries and plugin systems in Ruby
Use metaprogramming and DSLs to avoid code redundancy
Implement different approaches to testing and understand their trade-offs
Discover design patterns, refactoring, and optimization with Ruby
Explore database design principles and advanced web app security
Who this book is for
If you already know how to program in Ruby and want to learn more about the principles and best practices behind writing maintainable, scalable, optimized, and well-structured Ruby code, then this Ruby book is for you. Intermediate to advanced-level working knowledge of the Ruby programming language is expected to get the most out of this book.
Table of Contents
Getting the Most out of Core Classes
Designing Useful Custom Classes
Proper Variable Usage
Methods and Their Arguments
Handling Errors
Formatting Code for Easy Reading
Designing Your Library
Designing For Extensibility
Metaprogramming and When to Use It
Designing Useful Domain-Specific Languages
Testing to Ensure Your Code Works
Handling Change
Using Common Design Patterns
Optimizing Your Library
The Database Is Key
Web Application Design Principles
Robust Web Application Security
About the Author
Jeremy Evans is a Ruby committer who focuses on fixing bugs in Ruby, as well as improving the implementation of Ruby. He is the maintainer of many popular Ruby libraries, including the fastest web framework (Roda) and fastest database library (Sequel). His libraries are known not just for their performance, but also for their code quality, understandability, documentation, and how quickly any bugs found are fixed. For his contributions to Ruby and the Ruby community, he has received multiple awards, such as receiving the prestigious RubyPrize in 2020 and being chosen as a Ruby Hero in 2015. He has given presentations at over 20 Ruby conferences. In addition to working on Ruby, he is also a committer for the OpenBSD operating system.
Product details
Publisher : Packt Publishing (July 9, 2021)
Language : English
Paperback : 434 pages
ISBN-10 : 1801072728
ISBN-13 : 978-1801072724
Item Weight : 1.63 pounds
Dimensions : 7.5 x 0.98 x 9.25 inches
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