January 2002
Intermediate to advanced
480 pages
11h 5m
English
Content preview from Special Edition Using XSLT
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In Practice
XPath is a powerful language for traversing tree structures. As a part of this, it needs a basic data processing capability in the form of numerical and Boolean expressions, and the function library, to express complex predicate requirements. However, those capabilities are not really powerful enough for most “real” data processing needs. You cannot find the largest or smallest number in a node set, only the sum of the numbers in a node set. You cannot compute sines and cosines or square roots, and you cannot find all <point x="..." y="..." /> elements corresponding to points within a complex shape.
If possible, use XPath only to find the data you wish to process from your input document, and be sure the application using XPath 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.