October 2000
Intermediate to advanced
768 pages
16h 30m
English
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Chapter 5. Saving Data Between Requests
In this chapter
Web programmers often need to keep track of data between user requests. Given what you already know about JSP, servlets, and HTML forms, you already have the ability to keep track of data between requests. You can store user data in hidden form variables.
Storing Data in Hidden Form Variables
Although not the most elegant solution, form variables are used by many applications to store user data. The idea is that every time the user submits a form, it contains some hidden variables that contain information ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.