Maybe my question is somehow unspecific, sorry for that. I\'m learning python and app engine (webapp2) at the moment.
I\'m beginner of Google app. I want to know how to code many to many relationship for JPA in Google app. Could u giv开发者_运维百科e me the example? I\'m trying to connect Order, Order_Item and Produc
I\'m migrating from the original file- based datastore to the sqlite version. I have a command line script which initialises the stub as follows:
I have a very simple bit of code where I add some entities to the datastore. public final class storageUtil {
I\'m thinking about introducing entity groups in my application to enable strong consistency. Propose I have an Order entity开发者_如何学C and a OrderRow entity with each Order as a parent for it\'s O
I have two models in my application, Transaction and Person, with a many-to-many relationship. There are persons included in each Transaction. For each person, there is also a amount connected to each
I would like to use a string that was input by the user in a web form as part of a key name: user_input = self.request.POST.get(\'foo\')
I need to know when my app\'s data store was 开发者_StackOverflow中文版last updated. Surely I could find and patch every line of code where queries INSERT, UPDATE and DELETE are used but may be there
I tried to create the record in the datastore with my own key: class Counter(db.Model): counter = db.IntegerProperty()
In the pursuit of efficient batch operating on AppEngine, I\'ve been experimenting with async calls and have ended up with a request signature that looks like... /task/batch_remove_model 200 402ms 435
加载中,请稍侯......