From: 7stud -- <bbxx789_05ss@...>
Date: 2011-08-21T06:06:31+09:00
Subject: Re: getting the results of another person in the same controller

Every time the user clicks a link or button on your webpage, your 
webpage sends a request to the server.  When the server receives the 
request, it causes one of the actions in your rails app to execute. 
Then your action sends a response back to the browser.  Immediately 
after your action finishes executing, all the variables in your rails 
app are destroyed.  That's just the way the internet works.  It's known 
as a 'stateless' protocol.

To make values persist, you can store data in cookies, sessions, files, 
or a database.

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