python Programming Glossary: isolation

http://stackoverflow.com/questions/10210080/how-to-disable-sqlalchemy-caching

is that they are observing the effects of transaction isolation. SQLAlchemy's session works by default in a transactional mode.. is having here . A transaction with an average degree of isolation will hold onto the state that it has loaded thus far and keep.. has changed this is called repeatable reads in transaction isolation parlance. http en.wikipedia.org wiki Isolation_ 28database_systems..

How do I do database transactions with psycopg2/python db api?

http://stackoverflow.com/questions/1219326/how-do-i-do-database-transactions-with-psycopg2-python-db-api

expect to be able to do db.begin # possible even set the isolation level here curs db.cursor cursor.execute 'select etc... for.. transactions work with psycopg2 How would I set change the isolation level python database postgresql share improve this question.. postgresql share improve this question Use db.set_isolation_level n assuming db is your connection object. As Federico wrote..

Why doesn't this loop display an updated object count every five seconds?

http://stackoverflow.com/questions/2221247/why-doesnt-this-loop-display-an-updated-object-count-every-five-seconds

OFF mode and at least for MySQLdb on REPEATABLE READ isolation level. This means that behind the scenes you have an ongoing..

Including global package into a virtualenv that has been created with --no-site-packages

http://stackoverflow.com/questions/2767382/including-global-package-into-a-virtualenv-that-has-been-created-with-no-site

create virtualenvs with no site packages option for more isolation and also because default python global packages includes quite..

How do I force Django to ignore any caches and reload data?

http://stackoverflow.com/questions/3346124/how-do-i-force-django-to-ignore-any-caches-and-reload-data

transaction mode. You can fix it by setting transaction isolation READ COMMITTED in my.cnf or by calling this function at the.. MySQL to change the default transaction mode transaction isolation READ COMMITTED Note that that is a relatively new feature for..

Java “Virtual Machine” vs. Python “Interpreter” parlance?

http://stackoverflow.com/questions/441824/java-virtual-machine-vs-python-interpreter-parlance

tokens. You can't look at each byte or even each line in isolation and know exactly what to do next. The tokens in the language.. to do next. The tokens in the language can't be taken in isolation like they can relative to the instructions byte codes of a VM... machine because those codes still can't be taken in isolation the context of the surrounding tokens still matter they are..

Problem with a Python program using os.pipe and os.fork()

http://stackoverflow.com/questions/871447/problem-with-a-python-program-using-os-pipe-and-os-fork

acting in a blocking manner and just using the child for isolation purposes. If you want to continue then either use non blocking..