Recently I got the task to develop a Web Part which would aggregate the contents of a couple of RSS Feeds, sort them descending on the publishing date and display the top n of them. Thinking about how the whole thing could be done, I have found out that there are multiple methods to get things done. The Web Part was supposed to work on an Internet site so I decided to have a closer look at the performance of the various methods.
The first thing you notice is that the XSLT based approach is definitely much faster than other methods using DataTables. So if you have to provide a good performing data merging solution, you might want to check whether you are able to benefit of XSLT.
Friday 18 July 2008
Performance of various data merging methods
Tuesday 15 July 2008
Impressive XSL-FO resource
I was looking for how to make appear the name of current chapter in a PDF header. This is called "running header".
Found Dave Pawson's site on XSLT, DocBook, and Braille. The FO section contains very serious stuff pretty above all other tutorials!
The running header requires no trick. It's a standard FO feature: define a marker corresponding to current chapter title / whatever (fo:marker) and retrieve it from the header definition (fo:retrieve-*).
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