This is a book for the Ruby programmer who's never written a Mac app before. Through this hands-on tutorial, you'll learn all about the Cocoa framework for programming on Mac OS X. Join the author's journey as this experienced Ruby programmer delves into the Cocoa framework right from the beginning, answering the same questions and solving the same problems that you'll face. How To Create An iPhone or iPad Apps And Games Succeed In App Store!: Discover How To Create An iPhone or iPad App and Game And Hit Pay Dirt With It In The App Store! Mobile App Development Ruby. Get this from a library! Programming Cocoa with Ruby: create compelling Mac Apps using RubyCocoa. Brian Marick; Daniel H Steinberg. Programming Cocoa with Ruby: Create Compelling Mac Apps Using RubyCocoa (The Facets of Ruby Series) This can be a e-book for the Ruby programmer who is by no means written a Mac app prior to. Via this hands-on educational, you will examine all concerning the Cocoa framework for programming on Mac OS X. Sign up for the author's trip as this skilled Ruby programmer delves into the Cocoa. RubyGems is the default package manager for Ruby. It helps with all application package lifecycle from downloading to distributing Ruby applications and relevant binaries or libraries. RubyGems is a powerful package management tool which provides the developers a standardised structure for packing application in archives called Ruby Gems.
Here you can get the latest Ruby distributions in your favorite flavor.The current stable version is 2.7.2.Please be sure to read Ruby’s License.
Ways of Installing Ruby
We have several tools on each major platform to install Ruby:
See the Installation page for details on usingpackage management systems or third-party tools.
Of course, you can also install Ruby from source on all major platforms.
Compiling Ruby — Source Code
Installing from the source code is a great solution for when you arecomfortable enough with your platform and perhaps need specific settingsfor your environment. It’s also a good solution in the event that thereare no other premade packages for your platform.
See the Installation page for details on buildingRuby from source. If you have an issue compiling Ruby, consider usingone of the third party tools mentioned above. They may help you.
For more information about specific releases, particularly older releasesor previews, see the Releases page.Information about the current maintenance status of the variousRuby branches can be found on the Branches page.
For information about the Ruby Subversion and Git repositories, see ourRuby Core page.
The Ruby source is available from a worldwide set ofMirror Sites.Please try to use a mirror that is near you.
The Ruby programming language is becoming increasingly popular, thanks to its clean syntax, its object-oriented features, and its range of high-quality libraries and frameworks.
In this tutorial, you get a gentle introduction to programming in Ruby. You learn:
At the end of the tutorial, you also explore some resources for taking your Ruby skills further.
Let’s start with a brief introduction to Ruby, and take a look at the language’s features and benefits.
Introducing Ruby
Ruby is a powerful, yet easy-to-learn object-oriented programming language with a nice clean syntax. It was invented in Japan in the mid-nineties, but has really taken off in recent years, largely thanks to the Ruby on Rails framework, which lets you easily write powerful dynamic websites and web apps in Ruby.
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As well as being popular with web developers, Ruby is also used for many other purposes, including system administration tasks and writing GUI-based desktop apps for Windows, Mac OS and Linux.
Ruby is, by default, an interpreted language, much like PHP, Perl and Python. This means that you need to install a Ruby interpreter to process and run your Ruby programs and scripts.
There are also Ruby compilers available that can turn your Ruby code into stand-alone apps.
In the next section, you begin your Ruby journey by installing a Ruby interpreter on your Mac or PC.
Installing Ruby
In order to start programming in Ruby, you first need to install the Ruby interpreter on your computer. The Ruby interpreter is the program that takes your Ruby script files and runs them.
The following sections briefly cover how to install Ruby on a Mac, on a Windows PC, and on a Linux PC.
Installing on a Mac
Have a Mac? Lucky you! Ruby comes pre-installed in Mac OS X. Proceed to the next section.
Installing on a Windows PC
RubyInstaller is an app that installs a complete, self-contained Ruby environment on your PC. It’s the quickest way to get Ruby up and running on a Windows machine.
To install Ruby on a Windows 7 PC using RubyInstaller, follow these steps:
You’ve now installed Ruby on your PC. Proceed to the next section.
Installing on a Linux PC
Installing Ruby on Linux partly depends on what distro you use. For Debian-based systems (including Ubuntu), you can just run the following command, replacing “1.9.1” with the currently-available Ruby version:
If you prefer a GUI approach, you can instead use a package manager such as Ubuntu Software Center to install the Ruby package.
Create Ruby App Mac Os
If you start getting seriously into Ruby development on Linux, you might prefer to install RVM (Ruby Version Manager) and use it to install and update Ruby, rather than using the distro’s package manager. RVM is generally better at keeping your Ruby system and libraries up to date. Inreach app for mac.
Read more about various ways to install Ruby, and their pros and cons.
Writing a simple Ruby script
Now that you have the Ruby interpreter installed on your computer, let’s try it out by writing a very simple Ruby script and running it.
Using your favourite text editor, create a new text file called
greeting.rb . Type the following text into the file:
Now save the file.
Let’s work through this script line by line, and see what it does:
Running the script
Try this script out! Open your terminal window and use the
cd command to change to the folder holding your greeting.rb file. Type the following:
Then press Return. You should see the following message:
Type your name, then press the Return (Enter) key on your keyboard. You’ll see a message similar to the following:
Congratulations — you’ve just created and run your first Ruby script!
In Ruby, almost everything is an object
Ruby is, at heart, an object-oriented language, so to write Ruby code effectively you need to understand OOP (object-oriented programming) concepts such as classes, objects, properties and methods. If you’re not familiar with these concepts, have a quick read through Object-Oriented PHP for Absolute Beginners. It includes PHP code, but the OOP concepts also apply to Ruby.
While many languages, such as PHP, have object-oriented features, with Ruby the concept of object-oriented programming goes much deeper. In Ruby, almost everything in the language is an object, with methods that you can run, and instance variables (sometimes known as properties) that you can access via getter and setter methods. This includes:
Even literal values, such as the number
3 , are objects! This means you can, quite legitimately, call methods on the number 3 , like this:
As in many other OOP languages, the dot (
. ) operator calls methods. object.method means: “Call method on object “.
Create Ruby App Mac Desktop
The hash (
# ) symbol signifies a comment. Everything from the hash to the end of the line is ignored by the Ruby interpreter.
If you run this Ruby script, you get the following output: Install unverified apps mac.
Let’s look at how the script works:
As you can see, the fact that almost everything in Ruby is an object makes the language both powerful and intuitive. Being able to call methods on almost anything gives you a lot of flexibility, and helps you write succinct, readable code.
Creating a
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