By Peter Cooper
Based at the best-selling first variation, Beginning Ruby: From amateur to specialist, moment Edition is the top consultant for all types of reader who desires to study Ruby from the floor up.
the hot version of this booklet offers a similar first-class advent to Ruby because the first variation plus updates for the latest model of Ruby, together with the addition of the Sinatra and Ramaze internet program frameworks and a bankruptcy on GUI improvement so builders can reap the benefits of those new developments.
Beginning Ruby begins through explaining the rules at the back of object-oriented programming and inside of a couple of chapters builds towards making a complete Ruby software. through the top of the ebook, as well as in-depth wisdom of Ruby, you'll even have simple realizing of many ancillary applied sciences reminiscent of SQL, XML, internet frameworks, and networking.
* Introduces readers to the Ruby programming language
* Takes readers from easy programming talents to internet improvement with subject matters like Ruby-based frameworks and GUI programming
* Covers many ancillary applied sciences with a purpose to supply a broader photograph (e.g., databases, XML, community daemons)
<h3>What you'll learn</h3> * comprehend the fundamentals of Ruby and object-oriented construction blocks.
* paintings with Ruby libraries, gem stones, and documentation.
* paintings with documents and databases.
* Write and installation Ruby applications.
* discover Ruby net frameworks and features of community programming with Ruby.
* boost computer and GUI purposes with Ruby.
<h3>Who is that this ebook for?</h3>
Beginning programmers, programmers new to Ruby, and internet builders attracted to understanding the principles of the language
Read or Download Beginning Ruby: From Novice to Professional (2nd Edition) PDF
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Additional info for Beginning Ruby: From Novice to Professional (2nd Edition)
Ruby is just one of hundreds of programming languages, but it’s special because it feels a lot like a natural language to many programmers, while having the clarity required by computers. ). It doesn’t flow quite as well as English, but the meaning should be immediately clear. ” to the screen. It works. Hello, world! ” printed ten times) should not be a surprise. The => 10 on the end might seem more confusing, however, but we’ll be covering the meaning of that later. nNote Experienced programmers might wonder why there’s no semicolon at the end of the previous code example.
By the end of this part, you’ll be able to develop a complete, though basic, Ruby program. You’ll learn how to get Ruby working, what object orientation is, how to develop some basic programs, and about the data types and control structures Ruby uses and can operate on. Finally, I’ll walk you through creating a small program from start to finish. C h apt e r 1 Let’s Get It Started: Installing Ruby R uby is a popular programming language, but not many computers understand it by default. This chapter takes you through the steps necessary to get Ruby working on your computer.
This is only a matter of style, and it makes the code easier to read. When you type it into irb it’s not necessary to replicate the effect. You can simply type what you see. Once you start using a text editor to write longer programs, you’ll want to indent your code to make it easier to read, too, but it’s not important yet. First, you create the Pet class and define the name, age, gender, and color attributes available to Pet objects. Next, you define the Cat, Dog, and Snake classes that inherit from the Pet class (the < operator, in this case, denotes which class is inherited from).