ruby on rails tutorial for net developers

... displaying on Google maps 31-35 latitude information, adding 28 latitude information adding, rake used 27 longitude information, adding 28 longitude information adding, rake used 27 mashup APIs 18 Rails ... messages, customizing 76, 77 R Rails rake task 27 Ruby about API, XMLSimple 110-112, 120 rake tool 26 Ruby- PayPal library 190, 219 Ruby on Rails about convention over configuration principle DRY principle ... Ruby on Rails Web Mashup Projects A step-by-step tutorial to building web mashups Chang Sau Sheong BIRMINGHAM - MUMBAI Ruby on Rails Web Mashup Projects A step-by-step tutorial to

Ngày tải lên: 20/03/2019, 14:24

... types 18 Comparison and logical operators 19 Working with arrays and hash tables 20 Script ow and execution control 21 Conditional execution 21 Iterations statements 22 Using functions 23 Understanding ... strong automation tool that has various usages for IT professionals as well as developers; that is why you might hear different answers for this question: What is Windows PowerShell? One ... varied one. Over the last 18 years, he has held several different positions ranging from customer service to quality assurance. In all of these positions, the responsibility for conguration management

Ngày tải lên: 01/08/2014, 16:20

... search action. Rails makes this easy with the form_tag helper, which has the prototype form_tag(url _for_ options = {}, options = {}) The form_tag function takes in a block for the form; when the ... we’ve constructed a form without using the form _for function, which is optimized for interacting with models. For search, we’re not constructing a model at any point; we just need a simple form ... location. Adding search and browse capability to RailsSpace will involvethe creation of custom pagination and validations, which means that we will start to rely less on the built-in Rails functions.

Ngày tải lên: 13/08/2014, 08:20

... and deletion Running the test gives > ruby test/functional/avatar_controller_test.rb... email actions on RailsSpace, starting with a remind action: > ruby script/generate controller ... tion. By convention, system calls return false on failure and true on success, so we can test for a failed conversion as follows: Listing 12.14 app/models/avatar.rb def successful_conversion? . . ... part of successful_conversion? touches on a question we haven’t yet answered: What exactly is an “image” in the context of a Rails upload? One might expect that it would be a Ruby File object,

Ngày tải lên: 13/08/2014, 08:20

... operations of relational databases. In contrast to the traditional controller/action/id approach, REST embraces the radical notion that there are only four actions—the four CRUD operations—which, ... fixtures :users, :specs def setup @controller = FriendshipController.new @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @user = users(:valid_user) ... David Heinemeier Hansson in his keynote address at RailsConf 2006). Let’s consider these ideas in a more concrete setting by revisiting the Spec con- troller for user specifications. 8 What would

Ngày tải lên: 13/08/2014, 08:20

... (Application Programming Interface) Rails, 23–24 REST style, 444–445 Application controller for authorization, 195–197 for user specs, 266 application error page, 514 Application Programming... have only ... 351–352 names, 355–358 validation, 358–363 button to function, 81 button to function function, 499 Caching, 510 Calculations for distances on spheres, 353–355 Cancel button, 499 cancel method, 432 ... we’ll go with Mongrel and Apache Installing Mongrel is simple using Ruby gems: > sudo gem install mongrel Then, to start the Mongrel application server for Rails, run mongrel _rails in the

Ngày tải lên: 13/08/2014, 08:20

... Ruby on Rails ::The New Gem of Web Development Ross Pallan IT Project Manager Argonne National Laboratory rpallan@anl.gov 2 Ruby on Rails  Ruby on Rails is a web application framework ... configuration – Most Web development frameworks for .NET or Java force you to write pages of configuration code. If you follow suggested naming conventions, Rails doesn't need much configuration. ... Eclipse, RadRails  Installing Ruby for Windows – Download the “One-Click Ruby Installer from http://rubyinstaller.rubyforge.org  Installing Ruby for Mac – It’s already there!  RubyGems is

Ngày tải lên: 24/10/2014, 13:03

... tham khảo 1 Railstutorial: http:/ /ruby. railstutorial.org/ - tutorial Web development with Rails 2 Tryruby http://tryruby.org/ - Các bài tập và tương với Ruby 3 Raincast http://railscasts.com/ ... video hướng dẫn học Ruby, kèm ví dụ 5 Nettust+ http:/ /net. tutsplus.com/ - cung cấp khá nhiều bài viết về screencast về Rails khá chất lượng 6 Rubyonrails: http://weblog.rubyonrails.org/ - Blog ... Ruby on Rail 7 Therailsway: http://www.therailsway.com/ - Blog với... Ruby • Kế thừa trong Ruby (sử dụng Mixin) • Ứng dụng sending email Page | 24 Tổng quan về Ruby – CVĐHĐ CNPM • Ruby

Ngày tải lên: 15/05/2015, 10:46

... ng $this trong PHPố  nil: gi ng null trong PHP. ố  … 6 T ng quan v Ruby? ?? ề  Constant :  Cú pháp: Tên_h ng = giá_trằ ị  Ví d :ụ Const = 5 MyConst = ‘my constant’ 7 T ng quan v Ruby? ?? ề  Types ... programmer 3 ? ?Ruby is simple in appearance, but is very complex inside, just like our human body” Matz, speaking on the Ruby- Talk mailing list, May 12th, 2000. T ng quan v Ruby? ?? ề  Ruby là:  ... Có tính cấu trúc và ổn định hơn 18 Ruby Advance  Ruby      Object oriented Ruby là một ngôn ngữ lập trình thuần hướng đối tượng Mọi thứ trong Ruby đều là Object, từ các class...

Ngày tải lên: 20/05/2015, 08:10

... vô hạn 1.7 RUBY ON RAILS 1.7.1 Ruby on Rails là gì? Ruby on Rails, hay còn được gọi là Rails hoặc RoR, là một framework mã nguồn mở, viết trên nền ngôn ngữ Ruby Rails ra ... trong những quy ước bất di bất dịch của Rails chính là về cấu tạo của 3 thư mục Models, Views và Controllers ● 18 Hình 1.1 Mô hình MVC trong Rails 1.7.2 Các tính năng và ưu điểm của Ruby ... ưu điểm của Ruby on Rails a Các tính năng ● Kiến trúc MVC: Ruby on Rails dựa trên cấu trúc MVC cho phép dữ liệu được tách ra ● Thư viện truy xuất dữ liệu: Rails bào gồm một thư...

Ngày tải lên: 28/05/2016, 19:13

... This tutorial is good preparation for: • advanced tutorials from the RailsApps Project • textbooks such as Michael Hartl’s Ruby on Rails Tutorial • introductory workshops from RailsBridge or Rails ... and conventions for building a web application using the Ruby language Rails is also a library or collection of gems that developers use as the core of any Rails web application By using Rails, ... first step on your path to learn Ruby on Rails You’ll learn key concepts so you’ll have a solid foundation for continued study You’ll build a working web application so you’ll gain hands -on experience

Ngày tải lên: 28/08/2016, 13:17

... impression most users will have of our app [ 85 ] www.it-ebooks.info App Billing and Publication The images will need to conform to the size and resolution specifications listed on the form, so contact ... winner, selecting 41-43 RSpec 28 Ruby installing 18 Ruby in Steel URL 16 Ruby management tool installing 17 RubyMine URL 16 Ruby on Rails? ? about 15 URL 15 Ruby Version Manager (RVM) installing 17, ... verifying 64, 65 I C Concurrent Versions System (CVS) 22 constant 78 D DashboardController class 20 development environment application directory, creating 18 Ruby, installing 18 Ruby management tool,

Ngày tải lên: 07/01/2017, 20:51

... we have done so far is manual Production Mode When the Mongrel server is run in the production mode, it provides the production environment for your application In the production environment, ... talewiki_production Then, only RoR will use the production database This is due to the 'Convention-over-Configuration' philosophy of RoR When Mongrel runs in the production mode, it looks for the database ... Started with Ruby and RoR Ruby and RoR—The Next Level in Dynamic Web Development Ruby Ruby on Rails (RoR) Philosophy Features Installing and Configuring Ruby and RoR Manual Installation Downloading

Ngày tải lên: 07/04/2017, 16:31

... Stanford, California 94305, USA Rolling with Ruby on Rails, Curt Hibbs 20-Jan2005 http://www.onlamp.com/pub/a/onlamp/2005/01/20 /rails. html irc://irc.freenode.org/rubyonrails http://lists.rubyonrails.org/mailman/listinfo /rails ... Rails, judge for yourself! Documentation: this document contains highlighted references, either to: Documentation – the Rails documentation at http://api.rubyonrails.com (this documentation is also ... should see the Congratulations, you've put Ruby on Rails! page in your browser) Versions of Rails By the time you read this document, Rails will probably have moved on several versions If you intend

Ngày tải lên: 17/04/2017, 08:38

... blog post or discussion-forum thread. 1.1.1 Comments for Various Readers The Rails Tutorial contains integrated tutorials not only for Rails, but also for the underlying Ruby language, the RSpec ... prompt, the Rails Tutorial uses the Unix convention for directory separators (i.e., a forward slash / ). My Rails Tutorial sample application, for instance, lives in /Users/mhartl /rails projects/sample ... 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...

Ngày tải lên: 16/02/2014, 13:20

... 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 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 understanding ... 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 and, therefore, need to be...

Ngày tải lên: 28/04/2014, 16:58

... (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 — an open ... 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.) ... 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...

Ngày tải lên: 27/03/2014, 00:02

... http://www .ruby- lang.org/ and http://www.rubyonrails.org 4. Start with ht tp://groups.google.com/group/rubyonrails-talk or #rubyonrails on IRC. 5. http://railsbrain.com/ and http://api.rubyonrails.org/ are good places ... environment for building Rails applications inside the IDE, and the IronRuby project (see Section 13.1, I ro nRuby, on page 253) will also provide better support for Rails. In the meantime, many developers ... file named config/environments/{environment}.rb, for ex- ample, config/environments/development.rb, config/environments/test.rb, or config/environments/production.rb. Remember that because Ruby is a...

Ngày tải lên: 29/03/2014, 15:20

... or discussion-forum thread. 1.1.1 Comments for Various Readers Rails Tutorial contains integrated tutorials not only for Rails, but also for the underlying Ruby language, as well as for HTML, ... Rails educational ecosystem. Finally, since Ruby on Rails Tutorial 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 ... certainly develop Rails apps on Microsoft Windows, but you’ll definitely be in the minority. www.it-ebooks.info RUBY ON RAILS ™ 3 TUTORIAL www.it-ebooks.info Acknowledgments Ruby on Rails ™ Tutorial owes...

Ngày tải lên: 28/04/2014, 16:57

... Currently the Only Language Additionally, currently, the only .NET language available for writing MonoTouch applications is C#. CHAPTER 4: iPad and Universal (iPhone/iPad) Applications 72 info.plist ... this for both of the action buttons. If we view the Connections Inspector for our AppDelegate, it should have the action wired up to both buttons, as shown in Figure 2–27. Figure 2–27. Action ... environment (IDE) to develop our applications. You have several options for this, but all of our examples in this book will be based on MonoDevelop. I’ve chosen MonoDevelop for two reasons,...

Ngày tải lên: 28/03/2014, 23:20