By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce fine quality, beautiful-looking net functions speedy. you think about developing the applying, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to benefit Rails. it is a huge, far-reaching instructional and reference that is urged by way of the Rails center workforce. if you are new to Rails, you will get step by step counsel. in case you are an skilled developer, this publication provide you with the excellent, insider info you would like. Rails has advanced through the years, and this booklet has advanced besides it. We nonetheless begin with a step by step walkthrough of establishing a true software, and in-depth chapters examine the integrated Rails good points. This version now supplies new Ruby and Rails clients additional information at the Ruby language and takes extra time to give an explanation for key thoughts all through. most sensible practices on find out how to observe Rails proceed to alter, and this version retains up. Examples use cookie subsidized periods, HTTP authentication, and lively Record-based types, and the ebook focuses all through at the correct solution to use Rails. also, this variation now displays Ruby 1.9, a brand new liberate of Ruby with significant useful and function advancements.
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Extra resources for Agile Web Development with Rails (Bata 10.0 2010.10.29)
Say <%= link_to "Hello", say_hello_path %> again.
At this point, we’ve completed our toy application, and in the process verified that our installation of Rails is functioning properly. After a brief recap, it is now time to move on to building a real application. 0 printing, October 28, 2010) 48 W HAT W E J UST D ID • How to create dynamic content in the controller and display it via the view template • How to link pages together This is a great foundation, and it didn’t really take much time or effort.
1 and ::1) and his LAN connection. We can access the application by pointing a browser at the URL http://localhost:3000. 1. If you look at the window where you started the server, you’ll see tracing showing you started the application. 0 printing, October 28, 2010) 38 H ELLO , R AILS ! 1: Newly created Rails application console window. Later, as we write application code and run it via our browser, we’ll be able to use this console window to trace the incoming requests. When the time comes to shut down your application, you can press Ctrl-C in this window to stop WEBrick.
For example, an online store will have a list of products to be displayed on a catalog screen. This list will be accessible via the model, but it will be a view that accesses the list from the model and formats it for the end user. Although the view may present the user with various ways of inputting data, the view itself never handles incoming data. The view’s work is done once the data is displayed. There may well be many views that access the same model data, often for different purposes. 1: The Model-View-Controller architecture be a view that displays product information on a catalog page and another set of views used by administrators to add and edit products.
Agile Web Development with Rails (Bata 10.0 2010.10.29) by Sam Ruby, Dave Thomas, David Heinemeier Hansson