How to create a JPA application using Google\'s datastore in Eclipse? What are the steps to creat开发者_如何学运维e a Google App Engine application in Eclipse? First, install the Google Plugin for Ecl
Using google appengine 1.3.0 w/ java and jdo... While trying to write JDO querys for 1-to-many owned relationships, I came across a non-JDO concept that I thought was really smart. Ancestor Querys. T
I just have a hunch about this. But if feels like I\'m doing it the wrong way. What I want to do is to have a db.StringProperty() as a unique identifier. I have a simple db.Model, with property name a
I realize there are a lot of questions already on here about querying the App Engine Datastore, but I want to get opinions on my particular case.
In regards to this statement in Google\'s app-engine doc: \"Only use entity groups when they are needed for transactions. For other relationships between entities, use ReferenceProperty properties an
I\'m using Google AppEngine and the deferred library, with the Mapper class, as described here (with some improvements as in here). In some itera开发者_JS百科tions of the mapper I get the following er
Using the following models I am trying to figure out a way to generate a news feed of sorts so that when a user logs in they are presented with a list of upcoming events for bars that they choose to f
I\'m building an app on GAE that needs to report on events occurring. An event has a type and I 开发者_运维问答also need to report by event type.
What jar are 开发者_开发问答files needed for Google App engine datastore via JPA and JDO?The Google App Engine platform provides Java persistence (JDO or JPA) to its BigTable datastore using the datan
I read app engine wiki, on datastore contention if too frequent 开发者_StackOverflow中文版write