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python Programming Glossary: persistent

when to commit data in ZODB

http://stackoverflow.com/questions/11254384/when-to-commit-data-in-zodb

large. The ZODB writes data out per transaction where any persistent object that has changed gets written to disk. The important.. changed gets written to disk. The important detail here is persistent object that has changed the ZODB works in units of persistent.. object that has changed the ZODB works in units of persistent objects . Not every python value is a persistent object. If..

Django persistent database connection

http://stackoverflow.com/questions/1125504/django-persistent-database-connection

persistent database connection I'm using django with apache and mod_wsgi.. problem that the bottleneck is that a django don't have persistent database connection and reconnects on each requests that takes.. takes near 5ms . While doing a benchmark I got that with persistent connection I can handle near 500 r s while without I get only..

Large, persistent DataFrame in pandas

http://stackoverflow.com/questions/11622652/large-persistent-dataframe-in-pandas

persistent DataFrame in pandas I am exploring switching to python and..

Hitting Maximum Recursion Depth Using Python's Pickle / cPickle

http://stackoverflow.com/questions/2134706/hitting-maximum-recursion-depth-using-pythons-pickle-cpickle

uses recursion and can lead to issues when converting to a persistent data structure. My recommendation would be continue raising..

Using only the DB part of Django

http://stackoverflow.com/questions/579511/using-only-the-db-part-of-django

If your application is not stateless like Django but persistent you may hit threading issues. In conclusion it is a matter of..

Cancel an already executing task with Celery?

http://stackoverflow.com/questions/8920643/cancel-an-already-executing-task-with-celery

ignore the task and do not execute it. If you don't use persistent revokes your task can be executed after worker's restart. http.. en latest userguide workers.html#worker persistent revokes revoke has an terminate option which is False by default...

Persistent python subprocess

http://stackoverflow.com/questions/8980050/persistent-python-subprocess

Is there a way to make a subprocess call in python persistent I'm calling a program that takes a while to load multiple times...

Mark data as sensitive in python

http://stackoverflow.com/questions/982682/mark-data-as-sensitive-in-python

will not work. Strings and Integers are interned and persistent which means you are leaving a mess of password information all..

when to commit data in ZODB

http://stackoverflow.com/questions/11254384/when-to-commit-data-in-zodb

btree_container for nodes in G.nodes btree_container nodes PersistentList ## I was loosing data prior to doing this for Gnodes in.. hand any class you define that inherits from persistence.Persistent is a persistent object. The BTrees set of classes as well as.. PeristentList class you use in your code do inherit from Persistent . Now on a transaction commit any persistent object that has..

Python: Persistent shell variables in subprocess

http://stackoverflow.com/questions/1126116/python-persistent-shell-variables-in-subprocess

Persistent shell variables in subprocess I'm trying to execute a series..

Give the Python Terminal a Persistent History

http://stackoverflow.com/questions/12334316/give-the-python-terminal-a-persistent-history

the Python Terminal a Persistent History Is there a way to tell the interactive Python shell..

An enterprise scheduler for python (like quartz)

http://stackoverflow.com/questions/1727138/an-enterprise-scheduler-for-python-like-quartz

scheduler for python like quartz is for Java. Requirements Persistent if the process restarts or the machine restarts then all the..

Persistent Hashing of Strings in Python

http://stackoverflow.com/questions/2511058/persistent-hashing-of-strings-in-python

Hashing of Strings in Python How would you convert an arbitrary..

How can I read all availably data from subprocess.Popen.stdout (non blocking)?

http://stackoverflow.com/questions/3076542/how-can-i-read-all-availably-data-from-subprocess-popen-stdout-non-blocking

question Poking around I found this really nice solution Persistent python subprocess which avoids the blocking issue all together..

Python: Pickling a dict with some unpicklable items

http://stackoverflow.com/questions/4080688/python-pickling-a-dict-with-some-unpicklable-items

documented support for persistent object references. Persistent object references are objects that are referenced by the pickle..

Persistent ssh session to Cisco router

http://stackoverflow.com/questions/5238000/persistent-ssh-session-to-cisco-router

ssh session to Cisco router I have search on this site and..

What's the recommended scoped_session usage pattern in a multithreaded sqlalchemy webapp?

http://stackoverflow.com/questions/5544774/whats-the-recommended-scoped-session-usage-pattern-in-a-multithreaded-sqlalchem

every method end otherwise the session will still contain Persistent objects and I would not be able to query access the same objects..

Persistent python subprocess

http://stackoverflow.com/questions/8980050/persistent-python-subprocess

python subprocess Is there a way to make a subprocess call..