The Well-Grounded Rubyist, 2nd Edition – A solid, well-written, updated guide to the Ruby programming language – #bookreview

 

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The Well-Grounded Rubyist

David A. Black

(Manning – paperback)

Ruby, predominately known as an object-oriented programming language, shows up frequently on lists of the top ten (or whatever) languages to know. And Ruby has long been paired with Rails to create the popular Ruby on Rails web application framework.

When the forerunner of this book appeared eight years ago, it was titled Ruby for Rails: Ruby Techniques for Rails Developers. And R4R, as it is sometimes known, was well received in both the Ruby and Rails camps.

In 2009, the R4R book was revised and retitled The Well-Grounded Rubyist. “This new edition is  a descendant of R4R but not exactly an update. It’s more of a repurposing,” the author, David A. Black, noted at the time. “The Well-Grounded Rubyist is a ‘just Ruby’ book, and it’s written to be read by anyone interested in Ruby.”

That focus continues in this second edition, which has been updated to cover Ruby 2.1. Ruby newcomers can get started and advance quickly with this fine “just Ruby” book in hand. Ruby veterans also can use it to gain new knowledge and sharpen familiar skills.

Black approaches the process of explaining Ruby “as a kind of widening spiral, building on the familiar but always opening out into the unknown.”

His well-written text does not try to be a “complete” language reference. Instead, reading The Well-Grounded Rubyist is like having a well-experienced and patient mentor close at hand–a mentor who willingly offers up clear examples and explanations. You likely will want to keep this book around as a go-to how-to reference long after you have learned and begun to work with Ruby.

It does help to have at least a little experience with programming before you tackle Ruby and this book. And, if you already have an older version of Ruby installed on your computer, upgrade it to 2.1.x. (As this review is being written, 2.1.2 is the current version.)

Yes, Ruby can be used in several different programming paradigms, including functional and imperative. But The Well-Grounded Rubyist is essentially all-object-oriented-all-the-time in its approach.

“Ruby is an object-oriented language, and the sooner you dive into how Ruby handles objects, the better,” Black states. “Accordingly, objects will serve both as a way to bootstrap the discussion of the language (and your knowledge of it) and as a golden thread leading us to further topics and techniques.”

Si Dunn

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