Python Developer

update 0 My def post() code has changed dramatically because originally it was base on a digital fo… Read more Do I Need To Use Transactions In Google Appengine

I am developing an app together with a partner. I do the database part (PostgreSQL), my partner imp… Read more Make Sqlalchemy Commit Instead Of Rollback After A Select Query

Is it possible to set isolation level for custom transaction (but not with raw sql)? For example, s… Read more Per-transaction Isolation Level In Django Orm

For example, is there a difference between the following two? session = Session() # Session is a se… Read more Does Closing A Sqlalchemy Orm Session Roll Back Uncommitted Changes?

My django app saves django models to a remote database. Sometimes the saves are bursty. In order to… Read more Python GIL: Is Django Save() Blocking?

The most recent release of the GAE states the following changes: Datastore Cross Group (XG) Transa… Read more Cross Group (XG) Transactions And Further Explanation Of Use

I have a username which I must change in numerous (up to ~25) tables. (Yeah, I know.) An atomic t… Read more In Python, Using Pyodbc, How Do You Perform Transactions?

Is it possible to set isolation level for custom transaction (but not with raw sql)? For example, s… Read more Per-transaction Isolation Level In Django ORM