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July 30, 2008
8 thanks

Writing and reading a cookie in the same request.

Note that when setting the value of a cookie, the new value won’t be accessible until the next page request. In this way, the cookies hash cannot be used in the same manner as the session hash.

For example:

# given that cookies[:temporary_data] was set to 'foo' in the previous request
cookies[:temporary_data] = 'bar'
p cookies[:temporary_data] # => 'foo'
June 3, 2009
3 thanks

Writing and reading a cookie in the same request.

As of 0349278f3da9f7f532330cf295eed35ede3bae66 cookie updates will persist in the current request.