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Added a bit more to the session documentation on how to clear sessions

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@922 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2005-03-20 13:34:07 +00:00
parent e2805207b7
commit 9c605227ec
1 changed files with 5 additions and 2 deletions
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7
actionpack/lib/action_controller/base.rb
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@ -96,16 +96,19 @@ module ActionController #:nodoc:
#
# You can place objects in the session by using the <tt>@session</tt> hash:
#
# @session["person"] = Person.authenticate(user_name, password)
# @session[:person] = Person.authenticate(user_name, password)
#
# And retrieved again through the same hash:
#
# Hello #{@session["person"]}
# Hello #{@session[:person]}
#
# Any object can be placed in the session (as long as it can be Marshalled). But remember that 1000 active sessions each storing a
# 50kb object could lead to a 50MB memory overhead. In other words, think carefully about size and caching before resorting to the use
# of the session.
#
# For removing objects from the session, you can either assign a single key to nil, like <tt>@session[:person] = nil</tt>, or you can
# remove the entire session with reset_session.
#
# == Responses
#
# Each action results in a response, which holds the headers and document to be sent to the user's browser. The actual response