We\'ve got a reasonably-sized database on Google App Engine - just over 50,000 entities - that we want to clear out stale data from. The plan was to write a deferred task to iterate over the entities
from example @Model publ开发者_JAVA百科ic class Account { @Attribute(primaryKey = true) private Key key;
if have i have pojo likecategoryA -> subcategoryA--> book r开发者_如何学编程elationship. subcategoryA is child of parent categoryA. book is child of subcategoryA
How do you put on a big table of xtable the table header on each page?开发者_如何学C, So that is easier to read the table the table between pages.
How to put a spacing of colors in a table of xtable? I generate the tables with the following instructions:
Can Oracle Materialized views be used to join multiple related tables having foreign keys to create a larger denormalized big table which is refreshed instantaneously?
I´d like to know how to upload to a Google Spreadsheet, values stored in the database of my application.
I\'m unsure of a good way to import data that I have from an old SQL-based application into app engine (big table). I\'m very confused though I\'m sure I\'m missing something simple.
Here are my models: class User(db.Model): id = db.StringProperty(re开发者_开发技巧quired=True) created = db.DateTimeProperty(auto_now_add=True)
I am using the Key value of entities in my datastore as the unique identifier in the URL for pulling up a record:
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