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From Apache Wiki <>
Subject [Incubator Wiki] Update of "xap/StartHere" by Rob Gagne
Date Fri, 24 Nov 2006 19:11:32 GMT
Dear Wiki user,

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The following page has been changed by Rob Gagne:

  Open up your web browser and navigate to this directory.  You can typically do this using
[http://localhost].  Locate ajax-index.html and run in your browser.
+ == Important Notes ==
+ '''Image Caching and IE 6'''
+ Dynamic user interface powered by Ajax uses images to enable the much of the dynamic nature
of the UI; this involves gettinga and setting images rapidly on the fly. IE 6 has a limitation
with image cache - it does not check it for images, instead getting the image on the server.
This is discussed here and various other places. The workaround is to configure the web server
not to add an expires HTTP header.
+ '''Cached XAL files'''
+ XAL files are cached by the browser. This means that refreshing your application page will
not get the latest copy of the XAL file that was edited. This can also be managed by the web
server. Another way is to add the header to the page, possible if using server side script
technology such as JSP or PHP. In PHP this can be done with: header ( 'cache-control: no-cache'
+ '''Deploying XAL files to IIS'''
+ IIS does not recognize files with a .xal file extension and does not send them by default.
This can be worked around by setting a mime type for XAL text/xml; another workaround is to
rename the files with a .xml extension. This behavior does not exit on any application servers
or on Apache web server.

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