By Dave Thomas, David Heinemeier Hansson, Sam Ruby
You are looking to write professional-grade functions: Rails is a full-stack, open-source internet framework, with built-in help for unit, useful, and integration checking out. It enforces stable layout ideas, consistency of code throughout your staff (and throughout your organization), and correct free up administration.
yet Rails is greater than a collection of most sensible practices. Rails makes it either enjoyable and simple to show out very cool internet functions. desire Ajax aid, so your net functions are hugely interactive? Rails has it inbuilt. wish an software that sends and gets electronic mail? in-built. helps internationalization and localization? in-built. do you want functions with a REST-based interface (so they could engage with different RESTful purposes with nearly no attempt in your part)? All integrated.
As with the former variants of the e-book, we commence with a longer instructional that builds elements of a web shop. And, in fact, the appliance has been rewritten to teach the simplest of Rails V2.
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Over 70 useful recnonfiction, programming, internet improvement, djangoipes to create multilingual, responsive, and scalable web content with Django
About This booklet
• enhance your talents through constructing types, kinds, perspectives, and templates
• a pragmatic advisor to writing and utilizing APIs to import or export information
Who This booklet Is For
If you've created web content with Django, yet you must sharpen your wisdom and research a few sturdy ways for the way to regard varied points of net improvement, make sure you learn this ebook. it really is meant for intermediate Django clients who have to construct initiatives which has to be multilingual, practical on units of alternative display sizes, and which scale through the years.
What you'll research
• Configure your Django undertaking the correct manner
• construct a database constitution out of reusable version mixins
• deal with hierarchical buildings with MPTT
• Create convenient template filters and tags so that you can reuse in each undertaking
• grasp the configuration of contributed management
• expand Django CMS together with your personal performance
Django is straightforward to profit and solves all kinds of net improvement difficulties and questions, supplying Python builders a simple method to web-application improvement. With a wealth of third-party modules to be had, you'll manage to create a hugely customizable internet software with this strong framework.
Web improvement with Django Cookbook will advisor you thru all internet improvement approaches with the Django framework. you'll get all started with the digital setting and configuration of the venture, after which you are going to methods to outline a database constitution with reusable elements. easy methods to tweak the management to make the web site editors chuffed. This publication offers with a few vital third-party modules invaluable for totally built net improvement.
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Extra resources for Agile Web Development with Rails (3rd Edition)
Most of the time, you’ll want to use it when substituting values into HTML pages. email>" ) %> In this example, the h method prevents the special characters in the e-mail address from garbling the browser display—they’ll be escaped as HTML entities. email>, and the special characters are displayed appropriately. 0 printing, March 2009) 54 H ELLO , R AILS ! 55 Adding the Time Our original problem was to display the time to users of our application. We now know how to make our application display dynamic data.
It requires close cooperation with the application’s users, because we want to gather feedback as we go along. We might make mistakes, or the client might discover they asked for one thing but really wanted something different. It doesn’t matter what the reason—the earlier we discover we’ve made a mistake, the less expensive it will be to fix that mistake. All in all, with this style of development there’s a lot of change as we go along. Because of this, we need to use a toolset that doesn’t penalize us for changing our minds.
7. rhtml. 0 printing, March 2009) 50 H ELLO , R AILS ! 1, Builder Templates, on page 510. The second way, which we’ll use here, is to embed Ruby code in the template itself. erb suffix tells Rails to expand the content in the file using a system called ERb. erb file and outputs a transformed version. The output file is often HTML in Rails, but it can be anything. Normal content is passed through without being changed. However, content between <%= and %> is interpreted as Ruby code and executed.