ruby on rails database application tutorial

... libsqlite3-dev # Linux only 1.2.3 The First Application Virtually all Rails applications start the same way, with the rails command. This handy program creates a skeleton Rails application in a directory ... the Rails Tutorial 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 Tutorial book at http://railstutorial.org/book ... for your Rails projects and then run the rails command to make the first application (Listing 1.3): Listing 1.3 Running rails to generate a new application. $ mkdir rails projects $ cd rails projects $...

Ngày tải lên: 16/02/2014, 13:20

... Core application (app) code, including models, views, controllers, and helpers config/ Application configuration db/ Files to manipulate the database doc/ Documentation for the application lib/ ... app/controllers /application_ controller.rb create app/helpers /application_ helper.rb create app/views/layouts /application. html.erb create app/models create config create config/routes.rb create config /application. rb create ... minority. www.it-ebooks.info RUBY ON RAILS ™ 3 TUTORIAL www.it-ebooks.info Acknowledgments Ruby on Rails ™ Tutorial owes a lot to my previous Rails book, RailsSpace, and hence to my coauthor on that book,...

Ngày tải lên: 28/04/2014, 16:57

... 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 Ruby on Rails 2. Tài liệu http://guides.rubyonrails.org/ Đây ... http://code.google.com/p/msysgit/ Ruby on Rails - www.RubyOnRails.org - Web framework, tương tự như Zend, nhưng "full stack", hoàn chỉnh từ lớp presentation tới logging. - Full stack: ... để truy cập Database Khuyến khích Testing (test-driven development, hay TDD) Unit-test Functional test (test controller) Integration test (test nhiều controller) Server dạng application server...

Ngày tải lên: 20/01/2014, 20:20

... 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 database? ... 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 ... if you want, but you won’t use it for the remainder of this chapter. Creating a New Ruby on Rails Project RadRails is an integrated development environment for Ruby on Rails. (See Chapter 2.)...

Ngày tải lên: 27/03/2014, 00:02

... mastery of web application development with Rails. Beginning Ruby on Rails 978-0-470-06915-8 This book is for anyone who wants to develop online applications using Ruby and Rails. A basic ... confi guring every single detail of their application. Most Web applications share common elements and Rails requires confi guration only when the conven- tions adopted by the framework are not endorsed ... 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...

Ngày tải lên: 28/04/2014, 16:58

... 11/30/06 11:18 AM Page 23 Components of Rails A Ruby on Rails application consists of several components, as you can see in Figure 1-3. Figure 1-3. A generic Rails application A simple web request ... Google. Rails Solutions: Ruby on Rails Made Easy is an introduction to Ruby on Rails 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 Ruby on Rails in three months. Figure 1-6. Odeo is a podcasting creation-and-sharing tool built on Rails. INTRODUCTION TO RUBY ON RAILS 13 1 7524ch01.qxd 12/13/06...

Ngày tải lên: 29/04/2014, 14:43

... next-generation online shops using Ruby on Rails www.apress.com SOURCE CODE ONLINE forums.apress.com FOR PROFESSIONALS BY PROFESSIONALS ™ Join online discussions: THE APRESS ROADMAP Pro Ruby Pro Ruby on Rails Beginning ... information about which databases are supported and how to get more information, refer to the Ruby on Rails wiki page on database drivers: http://wiki.rubyonrails.com /rails/ pages/DatabaseDrivers. 7362ch01.fm ... compatible with Rails. ■Note Before downloading Ruby, check which version is required by the Ruby on Rails version that you want to use by reading the online documentation found at www.rubyonrails.org....

Ngày tải lên: 01/06/2014, 00:46

... Microsoft’s IronRuby. With JRuby running on the JVM, Ruby is better able to get into some enterprise environ- ments. Even at my day job, where I’ve been pushing Ruby from day one, JRuby is making Ruby solutions ... A Database- Driven Shop The Shoplet application gets finished and you take a look at the databases that JRuby on Rails supports. Project 2: A Content Management System (CoMpoSe) The second application ... extremely small amounts of configuration and coding if your application follows the conventions of Rails. It also helps that the imple- mentation extensively uses many of Ruby s metaprogramming features...

Ngày tải lên: 06/07/2014, 15:16

... Microsoft’s IronRuby. With JRuby running on the JVM, Ruby is better able to get into some enterprise environ- ments. Even at my day job, where I’ve been pushing Ruby from day one, JRuby is making Ruby solutions ... process). JRuby doesn’t support continuations. Continuations are one of those features that are incredibly hard to implement on a system running on a virtual machine, such as Java. Another reason for ... installed and config- ured a MySQL database engine. We now have everything we need to have in our environment to be able to start creating JRuby on Rails applications from scratch. One thing I haven’t...

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... an application 12 an image to an application 12 database connection to an application 3 main menu to an application 10 applying edits to database 11 architecture, database 1 B Button component ... project. 4 Tutorial Setting up data access components 4 Double-click the TSQLConnection component to display the Connection Editor. You use the Connection Editor to select a connection configuration ... page contains a set of components that provide fast access to SQL database servers. You need to add a connection component so that you can connect to a database. The type of connection component...

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