Download PDF by Peter Cooper: Beginning Ruby: From Novice to Professional (2nd Edition)

By Peter Cooper

ISBN-10: 1430223634

ISBN-13: 9781430223634


Based at the best-selling first version, Beginning Ruby: From amateur to specialist, moment Edition is the top consultant for all sorts of reader who desires to research Ruby from the floor up.

the recent version of this e-book presents an analogous first-class creation to Ruby because the first version plus updates for the latest model of Ruby, together with the addition of the Sinatra and Ramaze net software frameworks and a bankruptcy on GUI improvement so builders can make the most of those new tendencies.

Beginning Ruby starts off by means of explaining the rules in the back of object-oriented programming and inside a number of chapters builds towards making a complete Ruby software. by way of the top of the ebook, as well as in-depth wisdom of Ruby, you'll even have uncomplicated figuring out of many ancillary applied sciences comparable to SQL, XML, net frameworks, and networking.
* Introduces readers to the Ruby programming language
* Takes readers from simple programming abilities to internet improvement with themes like Ruby-based frameworks and GUI programming
* Covers many ancillary applied sciences with a purpose to offer a broader photo (e.g., databases, XML, community daemons)
<h3>What you'll learn</h3> * comprehend the fundamentals of Ruby and object-oriented development blocks.
* paintings with Ruby libraries, gemstones, and documentation.
* paintings with records and databases.
* Write and set up Ruby applications.
* discover Ruby internet frameworks and elements of community programming with Ruby.
* strengthen computing device and GUI functions with Ruby.
<h3>Who is that this publication for?</h3>
Beginning programmers, programmers new to Ruby, and net builders attracted to figuring out the rules of the language

Alt. ISBN:9781430223634

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Additional resources for Beginning Ruby: From Novice to Professional (2nd Edition)

Sample text

Inheritance allows different classes to relate to one another and group concepts by their similarities. In this case, cats, dogs, and snakes are all pets. Inheritance allows you to create a “parent” Pet class, and then let your Cat, Dog, and Snake classes inherit the features that all pets have. Almost everything in real life exists in a similar structure to your classes. Cats can be pets, which are, in turn, animals; which are, in turn, living things; which are, in turn, objects that exist in the universe.

The way you did this was by defining the method. To define a method, you use the word def followed by the name of the method you wish to define. This is what the def bark line means. ” on the screen, and the last line of the method ends the definition of that method. The last end ends the class definition (this is why indentation is useful, so you can see which end lines up with which definition). The Dog class then contains a new method called bark, as you used earlier. Think about how you would create methods for the other Pet classes or the Pet class itself.

Everything Is an Object In this chapter, we’ve looked at how Ruby can understand concepts in the form of classes and objects. We created virtual cats and dogs, gave them names, and triggered their methods (the bark method, for example). These basic concepts form the core of object-oriented programming, and you’ll use them constantly throughout this book. Dogs and cats are merely an example of the flexibility object orientation offers, but the concepts we’ve used so far could apply to most concepts, whether we’re giving a “ticket” a command to change its price or a “user” a command to change his or her password.

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Beginning Ruby: From Novice to Professional (2nd Edition) by Peter Cooper

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