Agile Web Development with Rails phần 1 pdf

... between Actions 311 16 .7 Filters and Verification 313 16 .8 Caching, Part One 318 16 .9 The Problem with GET Requests 324 17 Action View 327 17 .1 Templates 327 17 .2 Builder templates 329 17 .3 RHTML Templates ... Two 366 17 .11 Adding New Templating Systems 370 18 The Web, V2.0 373 18 .1 Introducing AJAX 373 18 .2 The Rails Way 376 18 .3 The User Interface, Revisited 384...

Ngày tải lên: 07/08/2014, 00:22

... %> 66.667% <%= number_to_percentage(66.66666, :precision => 1) %> 66.7% <%= number_to_phone( 212 55 512 12) %> 212 -555 -12 12 Report erratum LAYOUTS AND COMPONENTS 363 That’s what components ... default called page. If a request comes in with no page parameter, or with page =1, the paginator sets @users to the first 10 users in the table. If page=2,the 11 th throug...

Ngày tải lên: 07/08/2014, 00:22

... 608 Percentage of the requests served within a certain time (ms) 50% 298 66% 307 75% 312 80% 317 90% 340 95% 446 98% 512 99% 517 10 0% 608 (last request) On some systems with really fast actions, it may ... there’s a neat trick using a call to curl. 15 myapp> curl -I http://example.com/login HTTP /1. 1 200 OK Date: Thu, 12 May 2005 16 :32: 21 GMT Server: Apache /1. 3.33 (Darwin)...

Ngày tải lên: 07/08/2014, 00:22

... inc oming Report erratum this copy is (B 11. 0 printing, November 24, 2 010 ) www.it-ebooks.info RAILS IS AGILE 21 Developers are worried about deployment, too. They found that with Rails you can deploy successive ... some Rails applications for yourself (which should be in the next 45 minutes or so ). That’s what this book is all about. Rails Is Agile The title of this book is...

Ngày tải lên: 17/02/2014, 08:20

... at Section 14 .1, Tables and Classes,on page 19 1, for more information on how class and table names are related.) depot> ruby script/generate model LineItem Finally, we have to tell Rails about ... 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 control...

Ngày tải lên: 07/08/2014, 00:22

... doc/app.Figure 11. 1,on the page before shows the initial page of the output generated. 11 .5 More Icing on the Cake Although it was fun writing our own login code, and we learned a lot about Rails along ... erratum ITERATION E1: BASIC SHIPPING 11 5 the order with an id of 1 was checked, the parameters returned to our controller would include @params = { "to_be_shipped" =>...

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 ... ms/call ms/call name 68. 61 46.44 46.44 10 4644.00 6769.00 Product#search 8.55 52.23 5.79 10 0000 0.06 0.06 Fixnum#+ 8 .15 57.75 5.52 10 0000 0.06 0.06 Math.sqrt 7.42 62....

Ngày tải lên: 07/08/2014, 00:22

... As 246 categories id parent_id . . . 1 null . . . 2 1 . . . 3 1 . . . 4 3 . . . 5 1 . . . 6 3 . . . 7 2 . . . 8 6 . . . 9 6 . . . 1 23 4 5 6 7 8 9 Figure 15 .1: Representing a Tree Using Parent ... 'po' o.save 12 3 Fred check 12 3 Dave po DatabaseApplication o = Order.find (12 3) o = Order.find (12 3) Figure 14 .3: Race Condition: Second Update Overwrites First alre...

Ngày tải lên: 07/08/2014, 00:22

... 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 dependencies ... URL with the path store/add_to_cart /12 3,andyou’llendupwiththeparameters @params = { :controller => 'store', :action => 'add_to_cart', :id => 12 3 } Base...

Ngày tải lên: 07/08/2014, 00:22

... process isshowninFigure18.3, on the next page. Let’s see what happens on the server. 12 7.0.0 .1 - - [ 21/ Apr/2005 :19 :55:26] "POST /example/say_hello HTTP /1. 1" 200 51 5 For security reasons ... server. 8 See Chapter 10 of RFC 2 616 for possible status codes. It’s available online at http://www.w3.org/Protocols/rfc2 616 /rfc2 616 -sec10.html. Report erratum THE RAILS WAY 3...

Ngày tải lên: 07/08/2014, 00:22