ruby on rails tutorial ebook free download

... design 106 Facebook 107 Facebook application, configuring 122, 123 Facebook application, creating 114, 115 Facebook application, deploying 120, 121 Facebook platform 107, 108 Facebook user profile, ... 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

... 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

... traditional CRUD (Create, Read, Update, Delete 7 ) operations of relational databases. In contrast to the traditional controller/action/id approach, REST embraces the radical notion that there are only ... fixtures :users, :specs def setup @controller = FriendshipController.new @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @user = users(:valid_user) ... this gives > ruby test/functional/friendship_controller_test.rb Loaded suite test/functional/friendship_controller_test Started . Finished in 0.180971 seconds. 1 tests, 5 assertions, 0 failures,

Ngày tải lên: 13/08/2014, 08:20

... a daemon (-d) listening on port 8000 (-p 8000) in a production environment (-e production) You can also restart Mongrel (to load application changes, for example) using > mongrel _rails ... 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 ... http://www.digitalmediaminute.com/article/1816/top -ruby- on- rails- tutorials – MVC... application configuration, plus per-environment configurability - contains the database.yml file which provides ... feed controller def rssfeed conditions = ['MONTH(starts_at) = ?', Time.now.month] @events = Event.find(:all, :conditions => conditions, :order => "starts_at",... NOTE: The old notation for

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/ ... 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 ... 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

Ngày tải lên: 15/05/2015, 10:46

... ng $this trong PHPố  nil: gi ng null trong PHP. ố  … 6 T ng quan v Rubyổ ề  Constant :  Cú pháp: Tên_h ng = giá_trằ ị  Ví d :ụ Const = 5 MyConst = ‘my constant’ 7 T ng quan v Rubyổ 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 Rubyổ 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 ... 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 ... 1 learn-rails.com Learn Ruby on Rails A tutorial by Daniel Kehoe · 1.c16 (prerelease) · 18 November 2013 Contents About the Book Introduction Concepts Get Help

Ngày tải lên: 28/08/2016, 13:17

... Publication The images will need to conform to the size and resolution specifications listed on the form, so contact a graphical designer if this is beyond your skill set Additionally, have someone ... 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

... 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 ... Downloading and Installing Ruby Updating Gem Installing RoR One-Click RoR Installation Download and Unzip the Instant Rails Configure Instant Rails Installation Testing the Installation Ruby RoR Summary ... 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,

Ngày tải lên: 07/04/2017, 16:31

... 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 Page Day on ... Documentation: this document contains highlighted references, either to: Documentation – the Rails documentation at http://api.rubyonrails.com (this documentation is also installed on your PC ... 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

... reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, ... responses may be subject to environmental influences as well as the degree and strength of the interference of the host response by the pathogen’s infection processes Such conditional responses ... 208 Mitochondria, 65, 69, 91, 101 Mitogen-activated protein kinase (MAPK) pathways, 266 Molasses, 182 Monoclonal antibody, 149, 254 Monocotyledon, 13, 121, 145, 160 Monoculture, 42 Monodoro (var),

Ngày tải lên: 14/05/2018, 12:39

... educational, business, or sales promotional use Online editions are also available for most titles (http://my.safaribooksonline.com) For more information, contact our corporate/institutional sales ... other content—and have all that content be aware of other content based on category or taxonomy So it will be easy to query, for example: “What content does the CDC have on smoking prevention?” ... location data to researchers The researchers tracked searches on Bing along with visits to hospitals and found out how long it took between searching for information on a health condition and

Ngày tải lên: 04/03/2019, 11:10

... conversations and actions Synchronous communication Reduction in email Chapter 13 Importance of Persistent Data One of the important aspects of ChatOps is that the conversations, context, and ... priority Continuous improvement is what DevOps has brought to the conversation about IT operations and beyond There is no concept of “done.” It’s an iterative process, and one that demands constant ... group conversations They are typically designed more for one-on-one text, audio, or video interactions to facilitate closed discussions The problem with these kinds of interaction is that the conversation

Ngày tải lên: 04/03/2019, 14:02

... 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 ... Editor www.it-ebooks.info ptg8286261 1.1 Introduction 5 tutorial at TryRuby, 2 and then optimally do the free tutorial at Rails for Zombies 3 to get a taste of what Rails can do. Another common question ... development with Ruby on Rails, how should I start?’’ For years Michael Hartl has provided the answer as author of the RailsSpace tutorial in our series and now the new Ruby on Rails TM 3 Tutorial that...

Ngày tải lên: 16/02/2014, 13:20

... 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, ... 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 ... Deploy Welcome to Ruby on Rails ™ 3 Tutorial: Learn Rails by Example. The goal of this book is to be the best answer to the question, “If I want to learn web development with Ruby on Rails, where...

Ngày tải lên: 28/04/2014, 16:57

... 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 ... the MySQL Server Instance Configura- tion Wizard. 37 Chapter 2: Installing the Software 06_081204 ch02.qxp 11/30/06 11:09 PM Page 37 In this part . . . W hat’s Ruby on Rails all about? And how do you install Ruby on Rails? ...

Ngày tải lên: 27/03/2014, 00:02

... 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 ... it’s ready to work with Rails. What’s in a Name? The name Ruby on Rails is often shortened to Rails. Another common abbreviation is the acronym RoR (pronounced like a lion’s “roar”). I feel it ... 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...

Ngày tải lên: 28/04/2014, 16:58

... Second Gear’s Porchlight 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 ... 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 ... with-readline- dir=/usr/local INSTALLING RAILS 23 2 7524ch02.qxd 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...

Ngày tải lên: 29/04/2014, 14:43