I am new to GAE and my skill level in JAVA is novice to intermediate somehow.. So I need help on retriving a specific filed that is an integer from JDO, and on that do the sum all, like in excel wher
I\'m just starting with Google App Engine, and I\'m a bit confused at the first datastore example in the tutorial.
Okay, so as many 开发者_如何转开发of you may know, one can define entities with attributes like
I need to have two objects of the same type. By default appengine doesn\'t allow it, but I found this parameter: datanucleus.appengine.allowMultipleRelationsOfSameType, so I can save the two same type
Can we start a dynamic backend programatically? mean while when a backend is starting how can i han开发者_StackOverflow中文版dle the request by falling back on the application(i mean app.appspot.com).
I have downloaded one of my entities from Google App Engine using the remote API and their appcfg.py script.Now I have a file that looks to be a mix of binary and text.(That is, I recognize words like
i need to fetch entities for the last 7 days, and if fewer than 开发者_运维问答50 entities are fetched extend the range to 10 days, the model is something like:
My problem revolves around a user making a text file upload to my app. I need to get this file and process it with my app before saving it to the datastore. From the little I have read, I understand t
I have a python script that is intended to run on my local machine every night. It\'s goal is to pull data from a third party server, do some processing on it, and execute bulk upload to GAE datastore
I have a model with entities which includes parent keys. I want to know if it\'s possible to make a specific query to obtain only the keys of the parents given some attribute restrictions on the child
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