Hi,
Over the past few years I have uploaded a number of QlikView apps to QlikCommunity, the majority of which were in response to questions raised on the site but others were simply to demonstrate a useful technique or a particular syntax.
I have compiled a list of these QlikView apps here, with a short blurb about each of them here: QlikView Examples.
There are examples around Set Analysis, Calculated Dimensions, Actions, Show Conditions and many other things.
I hope that you find something useful there.
Steve
http://www.quickintelligence.co.uk/
