Agile Web Development with Rails phần 10 docx

... application emulating on Web, 374 destroy() method, 215, 226, 241, 436 Destroy command, 176 see also Generate command destroy_all() method, 215, 436 Development reloading code, 33 server, 26 Development environment, ... { background: #f8e0f8; } depot_final/public/stylesheets/depot.css: File 108 #banner { background: #9c9; padding-top: 10px; padding-bottom: 10px; border-bottom: 2px solid;...

Ngày tải lên: 07/08/2014, 00:22

... Rails applications must have cookies enabled in their browsers.) Rather than have developers worry about protocols and cookies, Rails pro- vides a simple abstraction. Within the controller, Rails ... sys- tem, but unless you’re using Rails to work with legacy schemas that you can’t change, we recommend you just stick with using the name id. It’s all very well coming up with the...

Ngày tải lên: 07/08/2014, 00:22

... works within Rails. In the next chapter, we’ll take on ActionView. When we looked at Active Record, we treated it as a freestanding library; you can use Active Record as a part of a nonweb Ruby ... describe Action Controller in the context of Rails. Let’s start by looking at the overall context of a Rails application. 16.1 Context and Dependencies Rails handles many configuration depende...

Ngày tải lên: 07/08/2014, 00:22

... quickly. 10. No XML! 1.1 Rails Is Agile The title of this book is Agile Web Development with Rails. Youmaybe surprised, then, to discover that we don’t have explicit sections on applying agile practices ... producing web applications, they went back to writing monolithic programs that inter- Report erratum RAILS IS AGILE 3 Dave’s Top 10 Reasons To Like Rails 1. It br...

Ngày tải lên: 07/08/2014, 00:22

... etter software faster u sing agile practices. With an extensive back- ground in J2EE and test-driven development, he’s currently putting his experience to work on Rails projects. Chapter 12 Task ... ship things with the same style packaging and then move on to items with different packaging. So, our application shouldn’t enforce just one way of working. After chatting for a while,...

Ngày tải lên: 07/08/2014, 00:22

... controllers, mailers, models, scaffolds, and web services. You can also download addi- tional generator modules from the Rails web site. 1 1 http://wiki.rubyonrails.com /rails/ show/AvailableGenerators Report ... 46.44 10 4644.00 6769.00 Product#search 8.55 52.23 5.79 100 000 0.06 0.06 Fixnum#+ 8.15 57.75 5.52 100 000 0.06 0.06 Math.sqrt 7.42 62.77 5.02 100 000 0.05 0.05 IO#gets...

Ngày tải lên: 07/08/2014, 00:22

... Account.create(:balance => 100 , :number => "12345") paul = Account.create(:balance => 200, :number => "54321") File 16 Account.transaction do paul.deposit (10) peter.withdraw (10) end We ... a receiver. Thus we could write Account.transaction do account1.deposit (100 ) account2.withdraw (100 ) end Let’s experiment with transactions. We’ll start by creatin...

Ngày tải lên: 07/08/2014, 00:22

... warn you if you reload a page. Within Rails, this means using the button_to( ) helper to point to dan- gerous actions. However, you’ll need to design your web pages with care. HTML does not allow ... that Rails comes with two tem- plating systems, but that it’s easy to add your own. This is more advanced stuff, and you can safely skip to the start of the next chapter without losing y...

Ngày tải lên: 07/08/2014, 00:22

... of this chapter and the Action Web Service code, is an ana- lyst/developer originally from the city of Cape Town, South Africa. Chapter 20 Web Services on Rails With the Depot application up and ... using the web_ service( ) declaration in the controller. File 134 class LayeredBackendController < ApplicationController web_ service_dispatching_mode :layered web_ service_scaffold...

Ngày tải lên: 07/08/2014, 00:22

... promise of No Step Three. Using WEBrick as its web server enabled Instiki to be distributed with a trivial installation procedure. (The OS X version was even packaged with Ruby itself. Double-click ... means dealing with the artifacts produced by its operation. The two concerns that all Rails maintainers must deal with in production are log files and sessions. Log Files By default,...

Ngày tải lên: 07/08/2014, 00:22