September 2007
Intermediate to advanced
600 pages
20h 21m
English
book
Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
by Ben Forta, Raymond Camden, Charlie Arehart
Content preview from Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started
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How Do Client Variables Work?
Client variables work like this:
The first time a particular user visits your site, ColdFusion generates a unique ID number to identify the user’s browser.
ColdFusion sets this ID number as a cookie called CFID on the user’s browser. From that point on, the browser identifies itself to ColdFusion by presenting this ID.
When you set a client variable in your code, ColdFusion stores the value for you on the server side, without sending anything to the browser machine. It stores the CFID number along with the variable, to keep them associated internally.
Later, when you access or output the variable, ColdFusion simply retrieves the value based on the variable name and the CFID number.
For the most part, this process is ...
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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.