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In typical Java/J2EE applications, domain model object do not have much logic, they are basically data holders. It seems to be considered a sin to put persistence logic in the domain model objects, instead it should be put a DAO (Data Access Object). I have always thought this seems funny, after all, what seems more natural/object-oreiented?: user.save() or userDao.save(user) In Ruby/Rails,

...packages from RHEA-2001:015-09. 2) Red Hat 5.x users should note that the default compiler flags in rpm have changed, and are not compatible with the gcc originally shipped with Red Hat 5.2. Use egcs as a compiler instead. 3) Red Hat 6.x/5.x users should convert from db1 to db3 format dtabases at your earliest convience. This can be done by running, as root, the command rpm --rebuilddb Support for legacy db1 format rpm databases will be removed in the next release of rpm. 4) All platforms: If you chose to install rpm-4.0.2, and then go back to a previous version of...