My understanding is indexed lists on app engine are stored by duplicating all data for each value of the list. So multiple lists create cartesian 开发者_运维知识库product type explosions, and getting
I\'m using Google App Engine and High Replication Datastore. I checked the Dashboard of one of my GAE app today, I found that High Replication Data became 52%, 0.26 of 0.50 GBytes in the Billing Stat
I would like to serialize the Text db type to something that Android can deseria开发者_StackOverflowlize. Any pointers on the subject ?
I\'ve searched around for answers to this question, but not found anything quite on the money. I\'d be really interested to hear people\'s thoughts. Here goes:
Say I have an Entity A and an Entity B, A is a parent of B, that开发者_运维技巧 is, many B\'s can be part of a single A\'s entity group.
Google start to use The High Replication datast开发者_高级运维ore (HRD) as the default for new applications.
This question already has answers here:开发者_开发问答 Closed 11 years ago. Possible Duplicate: How to implement “autoincrement” on Google AppEngine
In Google App Engine, all datastore operations in a transaction must operate on entities within the same group.
Can someone know how to upload files using gwt-upload implemen开发者_高级运维tation at http://code.google.com/p/gwtupload/ on Google ApplicationEngine.The download page lists the gwtupload-gae artifac
In my GWT application, I have been saving everything that the user does instantly to the datastore in the background whenever they make changes. So far this has been fine because the things that the u
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