I\'m having trouble figuring out how to create unique key names for my online election app.Here is a typical set of relevant entities:
The default number of entities displayed in the App Engine SDK Datastore viewer is 10 entities. How do I get it to display more at once? Appending ?limit=100 doesn\'t seem to do anything.
I\'m building an application on Google App Engine that uses the datastore to store information about the current state of the server.When an Android device queries the server, a servlet gets an Entity
I always catch myself with this problem with Google App Engine: should I repeat data that is stored in other entities or should I make associations? What should I analyze to make this decision?
I am working on a GAE/J based project. One of the requirements is to let the users upload files (开发者_C百科doc,ppt,pdf,xls etc).
Sorry for asking the nth permutation of this question, but i\'m stymied. I\'m running GAE for python2.5 on OS X, and i\'m losing all data betwe开发者_Go百科en reboots.From what I understand from rel
I am coding a system using Google App Engine and I need to put an object in the datastore only if it doesn\'t exist yet. I would be fine using the datastore.put() method, except I need to know whether
Google App Engine\'s documentation states that: Four Bigtables are used to store all indexes for every App Engine
So i have two model classes: class Dog(db.model): dogName = StringProperty() dogBreed = StringProperty()
consider the following model: class Tweet(db.Model): text = db.StringProperty created_at = db.DateTimeProperty()
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