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added note with example for using flash in redirection

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1 parent c41d981 commit 4369f132a6d9c0a4b674bc30eaffb42bb39c0b86 Rajinder Yadav committed with fxn Nov 14, 2010
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  1. +7 −0 railties/guides/source/action_controller_overview.textile
@@ -264,6 +264,13 @@ class LoginsController < ApplicationController
+Note it is also possible to assign a flash message as part of the redirection.
+ redirect_to root_url, :notice => "You have successfully logged out"
The +destroy+ action redirects to the application's +root_url+, where the message will be displayed. Note that it's entirely up to the next action to decide what, if anything, it will do with what the previous action put in the flash. It's conventional to display eventual errors or notices from the flash in the application's layout:

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