I'm trying to model a polymorphic relationship in JDO, List
where each GameRound could be either a TextRound or PictureRound.
I've followed the documentation and modeled the association as a
List as described:
http://code.google.com/appengine/docs/java/datastore/relationships.html#Polymorphic_Rela
I'm working on an Appengine application in Java that allows users to
upload images drawn through an HTML5 canvas library called PaintWeb
(http://code.google.com/p/paintweb/).
Currently I have a servlet that receives the XMLHttpRequest POST from
the paintweb javascript library as a formencoded imag
e it would save me
resources in the long run (the images are simple small drawings that
could be viewed many many more times than the upload time so I feel
like I'd get benefit storing/serving from the BlobstoreService.
On Sep 19, 3:02 pm, Doug Daniels wrote:
> I'm working on an A
I'm going through the Sharded Counters example in Java:
http://code.google.com/appengine/articles/sharding_counters.html
I have a question about the implementation of the increment method. In
python it explicitly wraps the get() and increment in a transaction.
In the Java example it just retrieves
?):
http://code.google.com/p/googleappengine/issues/detail?id=3778&q=sharded&colspec=ID%20Type%20Status%20Priority%20Stars%20Owner%20Summary%20Log%20Component
On Sep 21, 12:24 pm, Doug Daniels wrote:
> I'm going through the Sharded Counters example in
> Java:http://code.g