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February 01, 2011

Mark Wielaard: New GPG key. Finally created a new GPG key using gnupg. The old one was a DSA/1024 bits one and 8 years old. The new one is a RSA/2048 bits one. I will use the new one in the future to sign any release tarballs I might create. pub 2048R/57816A6A 2011-01-29 Key f...

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February 01, 2011

Andrew Hughes: [SECURITY] IcedTea6 1.7.8, 1.8.5, 1.9.5 Released!. We are pleased to announce a new set of security releases, IcedTea6 1.7.8, IcedTea6 1.8.5 and IcedTea6 1.9.5. This update contains the following security updates: The IcedTea project provides a harness to build the source code from OpenJDK6 u...

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home > news > java technology > lotd #22: how to inject jpa resources ? - persistenceunit vs persistencecontext

LOTD #22: How to inject JPA resources ? - PersistenceUnit vs PersistenceContext

Java Persistence API defines a standard object/relational mapping using POJOs. In JPA, a persistence unit is described using "persistence.xml", bundled with the web application, injected into your web application and then POJOs are used to access all the information from the underlying persistence mechanism such...


Date: August, 19 2009
Url: http://weblogs.java.net/blog/arungupta/archive/2009/08/lotd_22_how_to.html


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