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By Anthony Lewis
Rails Crash Course shows you how to harness Rails to build web applications that are fast, stable, and secure.
Rails is a robust, flexible development platform that lets you build complex websites quickly. Major websites like GitHub, Hulu, and Twitter have run Rails under the hood, and if you know just enough HTML and CSS to be dangerous, Rails Crash Course will teach you to harness Rails for your own projects and create web applications that are fast, stable, and secure.
In Part I, you’ll learn Ruby and Rails fundamentals and then dive straight into models, controllers, views, and deployment. As you work through the basics, you’ll learn how to:
In Part II, you’ll take your skills to the next level as you build a social networking app with more advanced Ruby tools, such as modules and metaprogramming, and advanced data modeling techniques within Rails’s Active Record. You’ll learn how to:
Each chapter is packed with hands-on examples and exercises to reinforce what you’ve learned. Whether you’re completely new to Ruby or you’ve been mucking around for a bit, Rails Crash Course will take you from the basics to shipping your first Rails application, fast.
October 2014, 296 pp.
ISBN-13: 9781593275723
Introduction
Part I: Ruby on Rails Fundamentals
Chapter 1: Ruby Fundamentals
Chapter 2: Rails Fundamentals
Chapter 3: Models
Chapter 4: Controllers
Chapter 5: Views
Chapter 6: Deployment
Part II: Building a Social Networking App
Chapter 7: Advanced Ruby
Chapter 8: Advanced Active Record
Chapter 9: Authentication
Chapter 10: Testing
Chapter 11: Security
Chapter 12: Performance
Chapter 13: Debugging
Chapter 14: Web APIs
Chapter 15: Custom Deployment
Solutions
Index
View the detailed Table of Contents (PDF).
View the Index (PDF).
Windows Users:
If you’re using Windows, follow the instructions below to install Ruby, Rails, and Git instead of the ones on page xxii. Throughout the book, when asked to enter commands such as bin/rake and bin/rails, add ruby before those commands (for example, ruby bin/rake and ruby bin/rails).
Windows Installation Instructions:
You’ll use RubyInstaller to install Ruby. Download the RubyInstaller and the matching Development Kit here.
First, click the latest Ruby version on the RubyInstaller download page to download the installer; at the time of writing, it’s 2.1.5. Then scroll down to the section labeled Development Kit and click the link under your version of Ruby to download the Development Kit. As of this writing, for Ruby 2.1, you’d choose DevKit-mingw64-32-4.7.2-20130224-1151-sfx.exe. If you are using a 64-bit version of Windows, then download the 64-bit version of the installer and the matching 64-bit Development Kit, currently DevKit-mingw64-64-4.7.2-20130224-1151-sfx.exe.
Once these downloads finish, double-click the RubyInstaller file and then follow the prompts on your screen to install Ruby. Be sure to check the box next to Add Ruby executables to your PATH. Once that is complete, double-click the DevKit file and enter the path C:DevKit to extract the files. Now open a command prompt and enter the following commands to install the Development Kit:
$ cd C:DevKit
$ ruby dk.rb init
$ ruby dk.rb install
Some users see SSL errors when trying to install gems. Updating to the latest version of the gem command corrects these errors. Enter the following command to update your version of gem:
$ gem update --system –-clear-sources –-source http://rubygems.org
Once you’ve installed Ruby and the Development Kit, install Rails by entering gem install rails. This will connect to the RubyGems server and then download and install the various packages that make up the Ruby on Rails framework.
Finally, download the latest version of Git and double-click the file to complete the installation.
Page 12:
The three examples should read as follows:
_____________________________________
irb(main):053:0> name = "Tony"
=> "Tony"
irb(main):054:0> if !name.empty?
irb(main):055:1> puts name
irb(main):056:1> end
Tony
=> nil
_____________________________________
_____________________________________
irb(main):057:0> name = "Tony"
=> "Tony"
irb(main):058:0> unless name.empty?
irb(main):059:1> puts name
irb(main):060:1> end
Tony
=> nil
_____________________________________
_____________________________________
irb(main):061:0> name = "Tony"
=> "Tony"
irb(main):062:0> puts name unless name.empty?
Tony
=> nil
_____________________________________
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