Download e-book for iPad: Agile web development with rails: a Pragmatic guide by Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike

By Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, Thomas Fuchs, Andrea Schwarz

ISBN-10: 097669400X

ISBN-13: 9780976694007

Rails is a full-stack, open resource internet framework that allows you to create full-featured, subtle web-based purposes, yet with a twist... a whole Rails software most likely has much less overall code than the XML you'll have to configure a similar program in different frameworks. With this ebook you are going to how to use "ActiveRecord" to attach company items and database tables. not more painful object-relational mapping. simply create your enterprise items and permit Rails do the remaining. you are going to find out how to use the "Action Pack" framework to course incoming requests and render pages utilizing easy-to-write templates and elements. See find out how to make the most the Rails provider frameworks to ship emails, enforce internet prone, and create dynamic, user-centric web-pages utilizing integrated Javascript and Ajax help. There are huge chapters on trying out, deployment, and scaling. you will see how effortless it truly is to put in Rails utilizing your internet server of selection (such as Apache or lighttpd) or utilizing its personal incorporated internet server. you can be writing purposes that paintings along with your favourite database (MySQL, Oracle, Postgres, and extra) very quickly in any respect. you will create an entire on-line shop program within the prolonged educational part, so you will see how a whole Rails software is developed---iteratively and quickly. Rails strives to honor the Pragmatic Programmer's "DRY precept" by way of warding off the additional paintings of configuration documents and code annotations. you could improve in real-time: make a metamorphosis, and watch it paintings instantly. fail to remember XML. every little thing in Rails, from templates to manage stream to enterprise common sense, is written in Ruby, the language of selection for programmers who wish to get the activity performed good (and go away paintings ontime for a change). Rails is the framework of selection for the hot iteration of net 2.0 builders. Agile net improvement with Rails is the publication for that new release, written by way of Dave Thomas (Pragmatic Programmer and writer of Programming Ruby) and David Heinemeier Hansson, who created Rails.

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In that case we’d want to localize the display of the time, choosing both the format appropriate to the user’s locale and a time appropriate to their time zone. That would be a fair amount of application-level code, and it would probably not be appropriate to embed it at the view level. By setting the time to display in the controller, we make our application more flexible—we can change the display format and time zone in the controller without having to update any view that uses that time object.

Def hello end class UpdateController < ... # actions... end def hello end class SayController < ... # actions... end def hello end class LoginController < ... # actions... end def hello end # actions... end end end Create an instance of class SayController Then invoke its hello() method class SayController < ... def hello # code for hello action... 3: Rails Routes to Controllers and Actions Now let’s try calling it. Find a browser window, and navigate to the URL http://localhost:3000/say/hello.

Depot_test is a test database. It is considered to be transient, so it’s perfectly acceptable for us to empty it out to give our tests a fresh place to start each time they run. • depot_production is the production database. Our application will use this when we put it online. We’ll use the mysql command-line client to create our databases, but if you’re more comfortable with tools such as phpmyadmin or CocoaMySQL, go for it. ) depot> mysql -u root -p Enter password: ******* Welcome to the MySQL monitor.

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Agile web development with rails: a Pragmatic guide by Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, Thomas Fuchs, Andrea Schwarz

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