Subject: [xsl] Evolution of XPath - XPath 3.0 (Review) From: "Hank Ratzesberger xml@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Tue, 26 May 2015 05:44:44 -0000 |
Hello, You may recall that Dimitre Novatchev posted an invitation to review training courses he created and published on Pluralsight. I missed an earlier invitation so was pleased to have another chance. Altogether, I'm excited by the new XPath features and it is much more clear to me capabilities of functional programming to create reusable code and solve problems with less code and fewer steps. If you are able to watch this training course, especially if you want to "get caught up" on the XPath 3.0 specification, I think you will find this training course very helpful. In general, Evolution of XPath is rather superbly written, succinct both in its spoken explanation and animation. I think we've all seen our share of Powerpoint transitions and paused to contemplate the fate of humanity, so I was impressed to see that the speech and highlighting are so well timed that not a moment is wasted. It comes together quite nicely and at a good pace. I have considerable experience with XML, XSLT, XForms and XQuery but I am not an expert and had not followed the 3.0 specification closely because it was not within my current job's requirements. That said, I found the content to be thorough and I believe all (or all important) changes to the XPath specification are covered - it is a 4.5 hour course. If I may now digress, you may have heard the adage, "If your only tool is a hammer then every problem looks like a nail" and I once tweeted (since no only simply remarks anymore) that, "If all you have are nails, you can use a hammer, or rock or whatever is handy." And this has been my feeling and experience with XML. I'm not sure why the trend has been to more and more generics in code, but generalizing data to the same object model and serialized output (XML) is ... not well understood or appreciated, it seems. Anyway, I've picked up some enthusiasm for XML programming and an appreciation for the continued efforts of the standard writers and programmers (and Dimitre). Indeed, XML specification, parsers, tools, object interfaces, binary file translators, etc. etc. are all quite evolved making it a bit of a golden age for XML -- if only programmers knew... http://www.pluralsight.com/search/?searchTerm=novatchev Best regards, Hank -- Hank Ratzesberger XMLWerks.com
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