I've just posted an introductory discusion on JavaScript Object Notation (JSON). What's itneresting about it is it provides away to get around the cross-domain issues you get when you try to access web services using Ajax. Yahoo's now outputting JSON in a ridiculously easy way, so this is worth checking out.
I've discovered that I'm generally cranky when I post to InformIT. My take on a one-click aggregation solution is no exception.
Almost a year ago, I wrote about what I want in an RSS aggregator, and now, as I actually write one in C++ (see, I told you I was doing it) I've gone back and found that all of those requests are still valid. And I still don't see anybody doing all of it.
Ever heard of XUL? It's a new way of building web applications in Mozilla (and the newer versions of Netscape). Kind of like a "super" form, with all kinds of interactivity available. I still haven't had time to fool around with it, despite a brief interlude when it looked like I might have to write a tutorial on it, but check out the Mozilla Amazon Browser, a very cool look at what you can do with it. This link is via Jono Bacon's Mozilla and the potential for interaction, which is itself an interesting read, considering the idea of porting applications such as OpenOffice to XUL.
Cool.
XInclude, designed to make it easier to include part of one XMl document into another, has been a neglected specification for a long time. Now Bob DuCharme gives a good example of how it can be useful with Transclude with XInclude (and XPointer!). It still doesn't address the security issues, but OK, there you are.
Now updated on developerWorks: Integrating applications with Web services using WebSphere Studio V5.1.1: "This tutorial looks at making your application Web-services ready using WebSphere Studio's tools to wrap an existing application as a Web service, announce it using a UDDI directory, and to discover and use Web services within your applications. It also looks at how to deploy your application to a WebSphere Application Server."
Well, I've finally gotten around to writing about .NET, with a section on DOM and .NET at the InformIT XML Reference Guide. It explains how to create an application in .NET that traverses the Document Object Model of an XML Document object. It uses Visual Basic .NET, but the concepts are the same for C#.
I understand that there are people who read all of the blogs on their blogroll every day, or at least, every few days. And they even find time to comment on them. I want to know who these people are and how they manage to make a living.
I have, in essence, three blogs that I am supposed to be updating on a regular basis. I'm supposed to do at least three blogs a week for the XML Reference Guide, I've got this one, and I've got The Vanguard Science Fiction Report, which has been fallow so long I'm embarrassed to admit that it's mine. So today, now that the weeks of emergency room visits and surgeries in the family have settled down into the normal level of chaos, I sat down and went through my blogroll for potential posting material.
I thought it might be a little educational to document the "flow" of my surfing, and how it eventually gets turned into actual postings, so here is the list of the "first cut". These are postings that may eventually wind up on one of my three blogs:
And some XML tools mentioned on Cafe Con Leche:
Even I can't believe how long the list is.
As you can see, it's a rather eclectic group, but it also shows the pattern of how I surf. (Note that I didn't even touch Op-Ed News today, because I know I have enough material for this blog, which is the only place it belongs, or the W3C because I've adopted a "monthly" schedule for them on InformIT.)
Over the next week or so, you can see what makes the cut and what doesn't, and what leads to other things.
At the end of December, I wrote about The evils of escaped markup as seen by Normal Walsh. It was a well-though-out piece about why he doesn't like that people are using CDATA sections to escape potentially non-well-formed content, particularly in data feeds.
But the interesting thing to me is that I'd actually already written about this particular topic -- and in fact, this particular piece of Norman's -- last summer.
So far, nobody has noticed. Or if they have, they haven't commented.
I'm considering thinking of something completely ridiculous and controversial to say just to see if anybody notices. Suggestions welcome.
So I was thinking over at InformIT about standards bodies and their relevance, but my really big question is this: what would happen if we all decided NOT to use an accepted standard, and used something else instead?
I mean, seriously. What if a group of scientists decided not to use the "accepted" names for the elements, or renamed the planets or something? I mean, there's no law about it, right?
Unfortunately, I still don't have the time to devote to it that I'd like, but all this talk about Chatbots has gotten me thinking about Natural Language Processing. fieldmethods.net is an NLP-oriented portal that seems to have interesting information.
Now on developerWorks: Grab headlines from a remote RSS file: This article shows you how to retrieve syndicated content and convert it into headlines for your site. Since no official format for such feeds exists, aggregators are often faced with the difficulty of supporting multiple formats, so Nick also explains how to use XSL transformations to more easily deal with multiple syndication file formats. (This was actually published in September.)
I am pretty darn proud of XML Primer Plus. I knew the subject well, and I worked hard on it. I also feel good about the fact that it covers not only Java, but also C++, VB.NET, Perl, and PHP, thanks to the help of some additional writers. The reviews have all been good, and even the four star review on Amazon says that the only reason he didn't give me five stars is because he feels that that levels should be reserved for "recognized experts in the field," which I clearly am not.
But sales have been, frankly, disappointing. I was feeling really bad about it -- until I found out that The XML Book Business is in the toilet. With very few exceptions (and frankly I can't think of any), nobody's XML books are selling.
So tell me, are you buying XML books? Why or why not?
Now on IBM developerWorks: SAX-like apps in PHP -- While there is no official implementation of the Simple API for XML (SAX) in PHP, PHP does provide a SAX-like method for working with both local and remote XML files. In this article, author Nicholas Chase shows you how to work with XML files in PHP by building and setting handler functions and creating a parser. He demonstrates SAX in PHP with a page-building exercise in which he crafts a page based on the result of an Amazon Web Services query.
Now on IBM developerWorks: Integrating applications with Web services using WebSphere Studio V5 (Tutorial) -- This tutorial shows you how to make your application Web-services ready using the tools in WebSphere Studio Application Developer Version 5. You will learn how to wrap an existing application as a Web service and announce it using a UDDI directory and to discover and use Web services within your applications. The tutorial also explains how to deploy your application to a WebSphere Application Server.
Now on IBM developerWorks: Building an Amazon storefront using SOAP and the WSDK (Tutorial) -- This tutorial is for developers who want to use SOAP to access the Amazon product database through Amazon Web Services (AWS). It shows you how to use the IBM WebSphere SDK for Web Services (WSDK) to create Java classes from the Amazon Web Services Description Language (WSDL) file, demonstrates the use of those classes, and then examines the process of using the WSDK to turn the classes into a Web application and Amazon storefront.
Now on InformIT.com: Understanding Java Factories -- How do factories work, and how can you use them in your own applications? Create two different "ferrets," and see how using a factory allows you to choose which one is actually loaded at any given time.
Now on IBM developerWorks: Introduction to ebXML (Tutorial) -- Whereas EDI for years has provided a usable but expensive way for companies to exchange information in an automated manner, ebXML now provides a means for companies to integrate their processes much more easily. Based on XML, it provides a methodology for business to determine what information they should exchange and how, as well as a set of specifications to allow automation of the process. This tutorial gives an overview of ebXML, explaining how all of the pieces fit together.
Now on IBM developerWorks: Integrating applications with Web services using WebSphere (Tutorial) -- The Site Developer configuration of WebSphere Studio and WebSphere Application Server ease the pain of integrating Web services with your application. This tutorial looks at making your application Web services-ready using Site Developer's tools. It takes you through the process of wrapping an existing application as a Web service, announcing it using a UDDI directory, and discovering and using Web services within your applications. It also looks at how to deploy your application to a WebSphere Application Server.
Now on IBM developerWorks: Building Web service applications with the Google API (Tutorial) -- The Google search engine can now be accessed via a SOAP-based Web service. This means that developers can now embed Google search results and other information into their own applications. Google also took this project one step further, creating an API and Java toolkit for accessing the data. This tutorial is for developers who want to use Google information from within their Java applications.
Now on IBM developerWorks: Tip: Send and receive SOAP messages with JAXM -- In this tip, author and developer Nicholas Chase shows you how to use the Java API for XML Messaging (JAXM) to simplify the process of creating and sending SOAP messages.
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