Top "Persistence" questions

Persistence in computer programming refers to the capability of saving data outside the application memory.

Easy way to store and retrieve objects in Java without using a relational DB?

Do you know of an "easy" way to store and retrieve objects in Java without using a relational DB / ORM …

java persistence relational
Android persistence alternative to SQLite

Is there any other alternative to SQLite in Android for persisting data in the phone? I am looking something like …

android core-data persistence key-value
extbase mapping to an existing table doesn't work

I've extended the pages table and now I want to use some of the data in a domain object called "…

mapping persistence typo3 typoscript
Difference between persistent and non-persistent data

onPause() should be used to save persistent data and onSaveInstanceState(Bundle) is typically used to save non-persistent data.What does …

android android-activity persistence activity-lifecycle
Hibernate persist failure with PostGIS Geometry

Related to previous question. I have a Spring Roo application using Hibernate to write a Geometry object to a PostGIS …

spring hibernate persistence postgis rollback
Does Consul persist the Key Value store?

I'm evaluating a few distributed key-value stores, and etcd and Consul looks both very promising. I am interested in service …

persistence key-value consul
DiscriminatorFormula

If I have a single table where I need multiple columns for discriminator, is my only solution to use a @…

java hibernate orm persistence table-per-hierarchy
*large* python dictionary with persistence storage for quick look-ups

I have a 400 million lines of unique key-value info that I would like to be available for quick look ups …

python persistence object-persistence
With Python, can I keep a persistent dictionary and modify it?

So, I want to store a dictionary in a persistent file. Is there a way to use regular dictionary methods …

python dictionary persistence object-persistence
websphere 7 and (application based) open-jpa 2

I want to not use the built in Websphere 7 jpa plugin, instead use an application WEB-INF/lib/open-jpa 2 and a …

persistence openjpa websphere-7