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Mobile News from greenrobot
Library updates, new releases, related developments in open source, mobile databases, and Android
What is an Object-Relational-Mapper (ORM)?
An ORM is a layer between the relational SQLite database and the object-oriented app code. The ORM allows the developer to use the database without the need to transform objects into a format suited for the relational database.
Do I need an ORM to work with SQLite?
Today, core Java APIs lack high quality hash functions, and 3rd party implementations provide sub-optimal performance. As non-cryptographic hash function are important building blocks of software, this is a major bummer for developers.
Generally, the selection of available hash functions is plenty, and in the last decade, many new hash functions emerged with very good hashing properties. Surprisingly, the core Java API just still offers Adler32 and CRC32, which were designed as checksums many years ago. Of course, there are many hash implementations available outside of the core Java API. However, Continue reading
4 weeks ago we released greenDAO 3.0 introducing @Entity annotations as an alternative to the generator project. We noticed some issues with this rather big update, and fixed most of those in greenDAO 3.1 (thanks to everyone who reported bugs!). The update also brings two new features: