How Do I - Beipsiel zur Überlistung des Browsercaches.
Most Web browsers will try to load a page from it's cache to speed up the download process. This is ok when you have static pages but if you are serving dynamic data the cached version may not be up to date. By appending a unique value to each URL we can make sure that the data displayed is always current. This example also shows a simple example of using 4DVAR tags.
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