Frank D Luna's book is still the gold standard for beginners. The only obsolete part is his use of the effects framework. As long as you ignore that part and set the cbuffers manually you should be fine. I'd stay away from the online tutorials.
Book code:
http://www.d3dcoder.net/d3d11.htm
Microsoft's directx samples are another good resource:
https://github.com/walbourn/directx-sdk-samples
Other books: