Agile Web Development with Rails phần 9 pdf
Agile Web Development with Rails phần 9 pdf
... 56.6 298 608Waiting: 246 300 56.6 298 608Total: 246 300 56.6 298 608Percentage of the requests served within a certain time (ms)50% 298 66% 30775% 31280% 317 90 % 340 95 % 446 98 % 512 99 % 517100% ... requests: 200Failed requests: 99 (Connect: 0, Length: 99 , Exceptions: 0)Broken pipe errors: 0Non-2xx responses: 99 Total transferred: 95 2431 bytesHTML transferred: 898 350 bytesRequests per second: ... -C "_session_id=a94c 090 f0 895 aefba381ca 597 4fbddd9" \http://www.example.com/controller/action15curl is a command-line utility that can (among other things) fetch web pages. If you don’thavecurl...
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Agile Web Development with Rails phần 1 pdf
... Revisited 38418.4 Advanced Techniques 3 89 19 Action Mailer 399 19. 1 Sending E-mail 399 19. 2 Receiving E-mail 406 19. 3 Testing E-mail 40820 Web Services on Rails 41120.1 What AWS Is (and What It ... program at a really high level. 9. Code generators let me get started quickly.10. No XML!1.1 Rails Is Agile The title of this book is Agile Web Development with Rails. Youmaybesurprised, then, ... producing web applications, they went back to writing monolithic programs that inter-Report erratum RAILS IS AGILE 3Dave’s Top 10 Reasons To Like Rails 1. It brings agility to web development. 2....
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Agile Web Development with Rails phần 7 pdf
... warn you if you reload a page.Within Rails, this means using thebutton_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 advancedstuff, and you can safely skip to the start of the next chapter without losingyour Rails ... erratumCACHING,PART TWO 3 69 In this example two fragments are cached. The first is saved with theadditional:part parameter set to articles, the second with it set to counts.Within the controller,...
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Tài liệu Agile Web Development with Rails, 4rd Edition pdf
... some Rails applications for yourself (which should be in the next 45minutes or so ). That’s what this book is all about. Rails Is Agile The title of this book is Agile Web Development with Rails. ... started! The first steps are to install Ruby and Rails and to verify theinstallation with a simple demonstration. Agile Web Development with Rails I found itin our local bookstore, and it seemed ... the framework itself contains.www.it-ebooks.info Agile Web Development with Rails Fourth EditionSam RubyDave ThomasDavid Heinemeier Hansson with Leon BreedtMike ClarkJames Duncan DavidsonJustin...
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Agile Web Development with Rails phần 2 docx
... Rails applicationsmust 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 youcan’t change, we recommend you just stick with using the nameid.It’s all very well coming up with the DDL for theproducts ... iteration is to tidy up the dollar amounts displayedin the cart. Rather than 59. 9, we should be displaying $ 59. 90.Now we all know how to do this. We can just slap a call to thesprintf()method7into...
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Agile Web Development with Rails phần 3 pps
... test_updateassert_equal 29. 95, @product.price@product.price = 99 .99 assert @product.save, @product.errors.full_messages.join("; ")@product.reloadassert_equal 99 .99 , @product.priceendThe ... etter software faster u sing agile practices. With an extensive back-ground in J2EE and test-driven development, he’s currently putting his experience towork on Rails projects.Chapter 12Task ... realjoys of the Rails framework is that it has support for testing baked rightTESTING CONTROLLERS 1 49 As the LoginController was created with the generate controller script, Rails has a test...
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Agile Web Development with Rails phần 4 ppsx
... controllers, mailers,models, scaffolds, and web services. You can also download addi-tional generator modules from the Rails web site.11http://wiki.rubyonrails.com /rails/ show/AvailableGeneratorsReport ... back into the database. Without this call,the order would exist only in our local memory.Report erratumWHAT’S NEXT 1 89 Rails can do more than talk to browsers. Chapter 19, Action Mailer,showsyou ... @attributes={"image_url"=>"/images/sk "irb(main):002:0> pr.price=> 29. 95irb(main):003:0> pr.price = 34 .95 => 34 .95 irb(main):004:0> pr.save=> trueLogging and tracing are a great...
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Agile Web Development with Rails phần 5 pptx
... databases in Rails? The current answer is that you can’t. Rails doesn’t support distributedtwo-phase commits (which is the jargon term for the protocol that letsdatabases synchronize with each ... an exception. Rails aborted the update ofcounter2 because the values it held were stale./use/lib/ruby/gems/1.8/gems/activerecord-1 .9. 0/lib/active_record/locking.rb:42:in ‘update_without_timestamps':Attempted ... to convert this relationship into a real modeland decorate it with a richer set of behavior. This lets you accompany thedata with methods.As an example, we could turn thearticles_users relationship...
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Agile Web Development with Rails phần 6 docx
... quantity*unit_price from line_items;+ + +| quantity | quantity*unit_price |+ + +| 1 | 29. 95 || 2 | 59. 90 || 1 | 44 .95 |::Notice that the column headings of the result set reflect the terms we gaveto ... result.attributes{"order_id"=>13,"quantity"=>1,"product_id"=>27,"id"=>34,"unit_price"=> 29. 95}Normally, we don’t access this data via the attributes hash. Instead, weuse attribute methods.result = LineItem.find(:first)p result.quantity #=> 1p result.unit_price #=> 29. 95But ... works within Rails. Inthe next chapter, we’ll take onActionView.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...
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Agile Web Development with Rails phần 8 doc
... 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 inthe controller.File 134 class LayeredBackendController < ApplicationController web_ service_dispatching_mode :layered web_ service_scaffold :invoke web_ service ... wayswe called web_ service().The first call to web_ service( ) passed it a ProductService instance directly.This is sufficient if our web service doesn’t need to have anything to do with the controller....
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