Rails 4 in Action: Revised Edition of Rails 3 in Action by Ryan Bigg

By Ryan Bigg

Rails is a full-stack, open resource net framework powered via Ruby. Now in model four, Rails is mature and strong, and to take advantage of it successfully you wish various Google searches. you can find no replacement for the guru's-eye-view of layout, checking out, deployment, and different real-world issues that this e-book presents. Rails four in motion is a hands-on advisor to the topic. during this absolutely revised new version, you will grasp Rails four by way of constructing a ticket-tracking software that comes with RESTful routing, authentication and authorization, dossier uploads, electronic mail, and extra. discover ways to layout your individual APIs and effectively set up a production-quality software. you will see test-driven improvement and behavior-driven improvement in motion through the e-book, similar to in a most sensible Rails store.

Show description

Read or Download Rails 4 in Action: Revised Edition of Rails 3 in Action PDF

Similar web programming books

Learning Ext JS 3.2

The booklet presents lots of enjoyable instance code and screenshots to lead you thru the production of examples to aid with studying. through taking a chapter-by-chapter examine every one significant point of the Ext JS framework, the publication permits you to digest the to be had good points in small, simply comprehensible chunks, permitting you to begin utilizing the library in your improvement wishes instantly.

Foundation Flex for Developers: Data-Driven Applications with PHP, ASP.NET, ColdFusion, and LCDS

Flex is crucial and flexible know-how for developing net software front-ends. yet what each reliable net program wishes is a sturdy info resource, be it XML, or a database. Flex is especially adaptable when it comes to connecting to info resources, and that's the major concentration of this e-book. In starting place Flex for builders, writer Sas Jacobs assumes that you have got the fundamentals of Flex down already, and explores intimately the way to create expert data-centric Flex 2 and Flex three purposes.

Dynamic Web programming and HTML5

With corporations and members more and more depending on the internet, the necessity for powerfuble, well-trained internet builders and maintainers is starting to be. assisting readers grasp internet improvement, Dynamic internet Programming and HTML5 covers particular internet programming languages, APIs, and coding recommendations and offers an in-depth knowing of the underlying recommendations, conception, and rules.

Beginning HTML5 Media: Make the most of the new video and audio standards for the Web

Starting HTML5 Media, moment variation is a entire creation to HTML5 video and audio. The HTML5 video regular permits browsers to help audio and video parts natively. This makes it really easy for internet builders to put up audio and video, integrating either in the normal presentation of websites.

Extra info for Rails 4 in Action: Revised Edition of Rails 3 in Action

Example text

The opposite of creating a table is to drop that table from the database. If the migration was more complex than this, you’d need to split it into two methods— one called up and one called down—that would tell Rails what to do in both cases. Rails is usually smart enough to figure out what you want to do, but sometimes it’s not clear and you’ll need to be explicit. You’ll see examples of this in later chapters. sqlite3 and then creates the purchases table inside that. When you run bundle exec rake db:migrate, it doesn’t just run the change method from the latest migration, but runs any migration that hasn’t yet been run, allowing you to run multiple migrations sequentially.

That method calls params (short for parameters), which is a method that returns the parameters sent from your form in a Hash-like object. We’ll talk more about why you need this little dance later (in chapter 3); this is a feature called strong parameters. When you pass this params hash into new, Rails sets the attributes (the Rails word for fields) to the values from the form. save. This method validates the record; and if it’s valid, the method saves the record to the database and returns true.

Rb. This is the file you’ll use to test your currently nonexistent Bacon class. rb. describe to describe the behavior of the (currently undefined) Bacon class and write an example for it, declaring that Bacon is edible. The describe block contains tests (examples) that describe the behavior of bacon. In this example, whenever you call edible? on Bacon, the result should be true. expect and to serve a purpose similar to that of assert, which is to assert that the object passed to expect matches the arguments passed to to.

Download PDF sample

Rated 4.01 of 5 – based on 6 votes