Download PDF Polished Ruby Programming: Build better software with more intuitive, maintainable, scalable, and high-performance Ruby code By Jeremy Evans

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Polished Ruby Programming: Build better software with more intuitive, maintainable, scalable, and high-performance Ruby code-Jeremy Evans

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Become an accomplished Ruby programmer by understanding the design principles, best practices, and trade-offs involved in implementation approaches to keep your Ruby applications maintainable in the long termKey FeaturesUnderstand the design principles behind polished Ruby code and trade-offs between implementation approachesUse metaprogramming and DSLs to reduce the amount of code needed without decreasing maintainabilityLearn Ruby web application design principles and strategies for databases, security, and testingBook DescriptionMost 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 learnUse Ruby's core classes and design custom classes effectivelyExplore the principles behind variable usage and method argument choiceImplement advanced error handling approaches such as exponential backoffDesign extensible libraries and plugin systems in RubyUse metaprogramming and DSLs to avoid code redundancyImplement different approaches to testing and understand their trade-offsDiscover design patterns, refactoring, and optimization with RubyExplore database design principles and advanced web app securityWho this book is forIf 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 ContentsGetting the Most out of Core ClassesDesigning Useful Custom ClassesProper Variable UsageMethods and Their ArgumentsHandling ErrorsFormatting Code for Easy ReadingDesigning Your LibraryDesigning For ExtensibilityMetaprogramming and When to Use ItDesigning Useful Domain-Specific LanguagesTesting to Ensure Your Code WorksHandling ChangeUsing Common Design PatternsOptimizing Your LibraryThe Database Is KeyWeb Application Design PrinciplesRobust Web Application Security

Book Polished Ruby Programming: Build better software with more intuitive, maintainable, scalable, and high-performance Ruby code Review :



What I Like:This book is something that only the author can write. He talks about why the libraries he authored such as Roda and Sequel are better than Rails, which I enjoyed reading the most. With his knowledge as a very active Ruby committer, he also talks about Ruby 3 keyword arguments and mentions features that might get into Ruby in the future.This book discusses principles and trade-offs for a wide range of topics, not just Ruby-specific techniques. The ideas in this book would be useful even when you’re not writing Ruby, especially when it comes to web applications.What I Don’t Like:While there are many exciting contents in this book, as a Ruby developer with 8 years of experience in production web applications, Ruby core, and gems, I already knew many of the ideas and trade-offs that are written in this book prior to reading it. The whole book would be helpful for pushing intermediate Ruby programmers to advanced ones, but if you’re already an advanced Ruby programmer, it might take some time to find interesting ideas out of the chapters that talk about principles you have already thought about.
This book is a pretty useful distillation of core Ruby facts and techniques that are important to understand if you are moving from being able to "do things in Ruby" to being able to "do things efficiently and performantly in Ruby".Having participated in Ruby meetups/talks in which Jeremy presented, this book is the "async" version of that.Up to date for Ruby 3.x, the book moves through several parts, reinforcing your knowledge of the basics of the core language first, then moving on to extensibility (building libraries, metaprogramming, DSLs), before ending with the third section in the place where Ruby really became much more mainstream--web development.I found the examples to be pretty easy to understand, building up from the basics in small easy to consume pieces. There isn't a lot of filler code in here, instead focused examples with demonstrations of how things work. You can imagine Jeremy demoing these ideas to you as if you were in a virtual pairing session together. I appreciated that approachable style.If you are completed new to Ruby, this book may be a bit of a challenge. The book does indicate this is for intermediate+ readers. You may want to look at some introductory material first to ascertain you are comfortable with the base language and its flexibility. If you are an advanced Rubyist, I suspect you'll still get something out of this text, even if just confirming your core understanding and seeing how things work in the latest version of Ruby.

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