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Ruby is an increasingly popular, fully object-oriented dynamic programming language, hailed by many practitioners as the finest and most useful language available today. When Ruby first burst onto the scene in the Western world, the Pragmatic Programmers were there with the definitive reference manual, Programming Ruby: The Pragmatic Programmer's Guide.
Now in its second edition, author Dave Thomas has expanded the famous Pickaxe book with over 200 pages of new content, covering all the improved language features of Ruby 1.8 and standard library modules. The Pickaxe contains four major sections:
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Apart from an introduction to the syntax and classes, a major plus point is that it also provides information on core utilities: documentation with RDoc, and package management and deployment with RubyGems. Also, there are chapters on using Ruby for CGI scripting and SOAP web services, and an introduction to building GUIs with Tk. The last half of the book is a reference to the built-in classes and modules, and the standard library, which you will find yourself referring to regularly as you make your first steps.
My one problem is that the examples are too fragmentary. There's a jukebox application that is sketched out, but only to cover the basics. Many of the examples are admittedly contrived, and serve only to illustrate potential gotchas and corner cases rather than standard usage. As I began deploying Ruby for my own scripts, I found myself having to scamper back and forth across the entire book to get everything I needed to make a script run.
That said, this is a nice, comprehensive book. It's not been the life-changing event for me that it appears to have been for some, but it's well-written and it'll get you going quickly.
Once you need to go somewhere that the rails doesn't take you, you'll need to know ruby. That's where this book comes in to play.
This book teaches you in a concise and clear way. Soon you'll understand ruby - which differs quite significantly from most other programming languages. When you've broken down the barriers of understanding you'll wonder why other languages are not made like this.
The book comprises of an initial step-by-step approach that introduces you to the language and its concepts with practical examples and good explanations, and a second part that gives a comprehensive reference for the latest version of Ruby.
In the end you'll know everything you'll need to know to make great apps using ruby.
I started the tutorial on the rails web site and it really did blow me away. I ordered both the Ruby and Rails books from Amazon immediately and have been devouring chapters daily from both.
Ruby is an excellent language. Fully OO, and a lovely syntax. I thought Java was nice (and it is), but Ruby is a real gem ... :-)
This book will enter the halls of great books like "The C Programming Language", "The Java Programming Language" and "The C++ Programming Language".
It is very well thought out, very concise, and avoids the pleonasms and verbiage that afflict some languages. It has some features that I've not found in other languages: the code blocks and 'yield' constructs are really nice. Don't think of it as an OO version of Perl: it is so much more than that.
If you want to learn Ruby - this really is a superb place to start. If Ruby is going to prove to be a challenger to Java in years to come, then this book is a perfect place to start your Ruby journey. It is indeed a mine of information.
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