... up-to-date
version of the RailsTutorial can be found on the book s website at http://railstutorial.org;
if you are reading this book offline, be sure to check the online version of the Rails
Tutorialbook ... this tutorial, I suggest creating a gemset
called
rails3 tutorial2 ndEd:
$ rvm use 1.9.3 @rails3 tutorial2 ndEd create default
Using /Users/mhartl/.rvm/gems /ruby- 1.9.3 with gemset rails3 tutorial2 ndEd
10. ... ptg8286261
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TM
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UTORIAL
Second Edition
www.it-ebooks.info
ptg8286261
1.3 Version Control with Git 27
the context of the demo app. Finally, the sample...
... http:/ /rails-
tutorial. org/. If you are reading this book offline, be sure to check the online version of the RailsTutorialbook at
http://railstutorial.org /book for the latest updates. In addition, ... Rails educational ecosystem. Finally,
since RubyonRailsTutorial uses Rails 3.0, the knowledge you gain here will be fully up
to date with the latest and greatest version of Rails.
1
Ruby on ... the
world.
1.1.3 Conventions in This Book
The conventions in this book are mostly self-explanatory; in this section, I’ll mention
some that may not be. First, both the HTML and PDF editions of this book are...
... quen với Migrations, cách truy vấn database, và xử lý
form
Chú ý: khi viết tránh để bị XSS hay SQL injection!
Chương Trình Training Rubyon Rails
2. Tài liệu
http://guides.rubyonrails.org/
Đây ... http://code.google.com/p/msysgit/
Rubyon Rails
- www.RubyOnRails.org
- Web framework, tương tự như Zend, nhưng "full stack", hoàn
chỉnh từ lớp presentation tới logging.
- Full stack: ... Tại Sao Cần Biết Rubyon Rails?
- Ruby Là một ngôn ngữ "thời thượng", dễ học và dễ viết
(nhưng khó master!)
- So sánh với các ngôn ngữ và framework khác, RubyonRails
như xe đua...
... if you want, but you won’t use
it for the remainder of this chapter.
Creating a New RubyonRails Project
RadRails is an integrated development environment for Rubyon Rails. (See
Chapter 2.) ... your database connection. Fortunately, trou-
bleshooting the connection is the topic of the next section.
Troubleshooting your database connection
What do you do if you can’t connect to your ... environment (IDE) for Ruby on
Rails. In the name RadRails, the
Rad stands for “Rapid application devel-
opment” (and, of course,
Rails stands for Rails ). RadRails is based on the
Eclipse platform...
... Associations 270
One-to-one Relationships 270
One-to-many Relationships 271
Many-to-many Relationships 271
Auto-generated Methods 273
Association Extensions 280
ActiveRecord Validations 281
Validation ... mastery of web application development with Rails.
Beginning RubyonRails
978-0-470-06915-8
This book is for anyone who wants to develop online applications using
Ruby and Rails. A basic understanding ... it’s ready to work with Rails.
What’s in a Name?
The name RubyonRails is often shortened to Rails. Another common abbreviation
is the acronym RoR (pronounced like a lion’s “roar”). I feel it...
... Google.
Rails Solutions: RubyonRails Made Easy is an
introduction to RubyonRails with the web designer in
mind. Instead of focusing on the intricate syntax of each
method, the book focuses on ... bug-tracking system was built using RubyonRails in three months.
Figure 1-6. Odeo is a podcasting creation-and-sharing tool built on Rails.
INTRODUCTION TO RUBYON RAILS
13
1
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Components of Rails
A RubyonRails application consists of several components, as you can see in Figure 1-3.
Figure 1-3. A generic Rails application
A simple web request...
... all the book s example code at
http://www.pragmaticprogrammer.com/titles /ruby
Acknowledgments
For the second edition of the PickAxe, I asked on the Ruby mailing list if anyone would
consider ... Preface
This book is the second ed ition of the PickA xe, as Programming Ruby is known to
Rubyists. It is a tutorial and reference for the Ruby programming language. If you have
the first edition, you’ll ... ru n Ruby.
Installing Ruby
Quite often, you won’t even need to download Ruby. It now comes preinstalled on many
Linux distributions, and Mac OS X includes Ruby (although th e version of Ruby...