By David A. Black
The Well-Grounded Rubyist, moment variation addresses either newbies to Ruby in addition to Ruby programmers who are looking to deepen their knowing of the language. This fantastically written and absolutely revised moment variation contains assurance of positive factors which are new in Ruby 2.1, in addition to increased and up-to-date assurance of features of the language that experience changed.
Purchase of the print publication encompasses a loose book in PDF, Kindle, and ePub codecs from Manning Publications.
About the Technology
This is an effective time for Ruby! it really is strong like Java or C++, and has dynamic gains that permit your code react gracefully to adjustments at runtime. And it is dependent, so developing purposes, improvement instruments, and administrative scripts is less complicated and easier. With the long-awaited Ruby 2, an energetic improvement neighborhood, and numerous libraries and productiveness instruments, Ruby has come into its own.
About the Book
The Well-Grounded Rubyist, moment Edition is a fantastically written educational that starts along with your first Ruby application and is going directly to discover subtle issues like callable items, mirrored image, and threading. The ebook concentrates at the language, getting ready you to take advantage of Ruby by any means you opt. This moment variation comprises assurance of latest Ruby good points resembling key-phrase arguments, lazy enumerators, and Module#prepend, besides up to date info on new and altered center periods and methods.
- Clear motives of Ruby concepts
- Numerous easy examples
- Updated for Ruby 2.1
- Prepares you to take advantage of Ruby wherever for any purpose
About the Author
David A. Black is an the world over identified Ruby developer, writer, coach, speaker, occasion organizer, and founding father of Ruby important, in addition to a Lead advisor at Cyrus Innovation.
Table of Contents
- Bootstrapping your Ruby literacy
- Objects, tools, and native variables
- Organizing items with classes
- Modules and software organization
- The default item (self), scope, and visibility
- Control-flow techniques
- Built-in essentials
- Strings, symbols, and different scalar objects
- Collection and box objects
- Collections significant: Enumerable and Enumerator
- Regular expressions and regexp-based string operations
- File and I/O operations
- Object individuation
- Callable and runnable objects
- Callbacks, hooks, and runtime introspection
PART 1 RUBY FOUNDATIONS
PART 2 integrated periods AND MODULES
PART three RUBY DYNAMICS
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Additional resources for The Well-Grounded Rubyist
Should you assign this sort of values to a variable (x = 1), the variable holds the price itself, instead of a connection with it. In useful phrases, this doesn’t topic (and it's going to frequently be left as implied, instead of spelled out time and again, in discussions of references and comparable themes during this book). Ruby handles the dereferencing of item references instantly; you don’t need to do any additional paintings to ship a message to an item that comprises, say, a connection with a string, instead of an item that comprises an instantaneous integer worth. however the immediate-value illustration rule has a few attention-grabbing ramifications, particularly by way of integers. For something, any item that’s represented as a right away worth is usually the exact same item, irrespective of what percentage variables it’s assigned to. There’s just one item a hundred, just one item fake, and so on. The instant, special nature of integer-bound variables is at the back of Ruby’s loss of preand post-increment operators—which is to assert, you can’t do that in Ruby: x = 1 x++ # No such operator the reason being that, as a result rapid presence of one in x, x++ will be like 1++, this means that you’d be altering the number one to the quantity 2—and that is not sensible. (We’ll go back to the subject of the absence of those operators in Ruby within the sidebar in part 7. 2. ) approved to sam kaplan