I\'ve been going round in circles with what must be a very simple challenge but I want to do it the most efficient way from the start. So, I\'ve watched Brett Slatkin\'s Google IO videos (2008 & 2
When calling DatastoreService.delete(keys) with 400 keys, I\'m开发者_如何学JAVA get this exception:
I want to export the datastore that I have running in A开发者_运维问答pp Engine into my local \"standalone\" version of the application. Anyone know how I can do that?
In my GAE-Java app, I\'m using the low-level datastore AP开发者_JAVA技巧I. Hence I don\'t need the GAE app instance to load any of the higher level data access libraries such as JPA, JDO, Data Nucleus
On Google App Engine in Python, I have a Visit entity that has a parent of Patient.A Patient may have multiple visits.
In my AppEngine开发者_StackOverflow社区 project I have a need to use a certain filter as a base then apply various different extra filters to the end, retrieving the different result sets separately.e
I\'m using the GAE datastore for a Java application, and storing some text that will be in numerous languages.In my servlet, I\'m first checking to see if there\'s any data in the data store, and, if
I have 开发者_StackOverflow社区the following kinds/relationships in my datastore: UserAccount 1-to-1 PersistentLogin 1-to-many PersistentLogins
I have some records in datastore, I want to delete a specific record from the table. for example in SQL , we use delete * from table1 where name =\"mike\" what is the equivalent code in java (I m usin
gamedb 2022-03-20 02:55 开发者_运维百科 具体的还是得看品相和版别，普通的光绪元宝北洋造也就二三十元左右，价值不是很高，存世量不小的，一般情况下光绪元宝只有奉天，吉林，山东少见些，其他的有少见版别
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