January 2002
Intermediate to advanced
480 pages
11h 5m
English
Content preview from Special Edition Using XSLT
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Expressions
You have seen a few examples of expressions already, beyond simple location paths, Boolean expressions that test for truth or falsehood, and node set expressions that merge the results of several location paths into one. Now it is time to examine in detail the other kinds of expressions that XPath provides.
Numbers
Numerical expressions work pretty much like they did in math at school. In XPath, you can write numbers as you might expect; all the following are legal XPath numerical expressions:
123 123.45 .5 0.5 -10.5
The mathematicians among you will notice that this means XPath deals in real numbers. They’re approximate floating-point numbers, too—the results of computations are not always exact, because all arithmetic is done ...
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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.