Hidden fields and Cookies are two alternative ways to maintain the state through a web based application. Our courses include examples of both ... and we can teach you how to maintain state in Perl, PHP or Python. This diagram shows how hidden fields can be used to link a series of pages into an appliaction, with a server based session file holding the majority of the information for each user in his or her own "shopping cart".

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Associated topic - Perl - State and Cookies

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