March 2002
Intermediate to advanced
400 pages
7h 56m
English
Content preview from WAP 2.0 Development
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What Are Variables?
Variables are, simply stated, the contents of a temporary storage area in an application. This storage area holds information, usually inputted into the program by a user. In the previous examples, the values of the name attributes were variables.
For example, in a previous line of code you wrote, you defined an input field with the name attribute equal to username:
<input name="username" type="text" />
When users access this line of code in the application, they can input information. The application then saves this input information in a temporary storage area, using the name attribute as the name of the temporary storage area. In other words, a temporary storage area (a variable) called username holds the user’s inputted ...
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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.