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from this article https://stackoverflow.com/a/32107024/5258689 I have a dict() subclass - that allo… Read more How To Subclass Google App Engine Ndb Property To Support Python Subclassed Objects

It's quite simple to program just one product to get sold via my payment system (api.payson.se)… Read more Buying Many Products At Once From A Webshop

Reading: http://code.google.com/appengine/docs/python/datastore/gqlreference.html I want to use: :… Read more App Engine Datastore In Operator - How To Use?

I am trying to apply filter on two diffrent properties but it GAE isn't allow me to do this wha… Read more Badfiltererror: Invalid Filter: Only One Property Per Query May Have Inequality Filters (<=, >=, <, >)

My (python) app is using several entities, many of them in a 1:1 relationship. For example: class M… Read more Re-using An Entity's Id For Other Entities Of Different Kinds - Sane Idea?

The most recent release of the GAE states the following changes: Datastore Cross Group (XG) Transa… Read more Cross Group (xg) Transactions And Further Explanation Of Use

I have a Consults page that lists consults in the datastore. The list loop is like this: {% for con… Read more Linking To Entity From List

I created entities on datastore using the AppEngine SDK's python APIs and I'd like to retri… Read more How Would I Retrieve An Embedded Entity With Repeated Properties Using Datastore Java Client