Even for an NHibernate committer like myself, there is still a desire to keep a watchful eye on the competition -- and in the .NET ORM space, that competition is (of course) Entity Framework.
Trying to keeping an eye on all the technologies coming out of Microsoft can often seem like a losing battle, but in this case there is at least an offer that can make it just about dirt-cheap to catch up in this one area:
O'Reilly Books' "Deal of the Day" today is
Programming Entity Framework, Second Edition (and as we all know, the number "2" in Microsoft-speak is pronounced "four" so this book covers EF4).
Its being offered for just $9.99 and at that price this book is just about too good to pass up if you have been looking for a way to ramp up on just WTF the Entity Framework is all about.
I'm still pretty certain that after evaluating EF4 the sane developers among us will return to leveraging the power of a more mature ORM (like NHibernate!), but for a mere $10 you can at least use this offer to bulk up on competitive knowledge of what the 'other' ORM is up to.
Link to order page:
http://oreilly.com/catalog/9780596807269Discount Code:
DDPEF
Enjoy~!
-Steve B.