Client Server Systems

Agile Web Development with Rails: A Pragmatic Guide by Dave Thomas

By Dave Thomas

I purchased this one with 'Programming Ruby' considering that i might desire either to appreciate what RoR is all approximately, yet 'Programming Ruby' continues to be at the shelf and in a couple of days i used to be working the procuring cart instance. smart way to profit the way to use the framework. And from what I observed, the recent model is evolving on the similar quick velocity as Rails. that is my subsequent purchase.

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Extra resources for Agile Web Development with Rails: A Pragmatic Guide (Pragmatic Programmers)

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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. ) You’ll see something that looks like the following. It might be annoying, but the error is perfectly reasonable (apart from the weird path). We created the controller class and the action method, but we haven’t told Rails what to display.

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. ) You’ll see something that looks like the following. It might be annoying, but the error is perfectly reasonable (apart from the weird path).

We don’t need code for a model, as we’re not dealing with any data. Let’s start with the controller. Report erratum 27 H ELLO , R AILS ! 28 In the same way that we used the rails command to create a new Rails application, we can also use a generator script to create a new controller for our project. This command is called generate, and it lives in the script subdirectory of the demo project we created. rb The script logs the files and directories it examines, noting when it adds new Ruby scripts or directories to your application.

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