I love the "simplest nontrivial example" approach to exposition. I think I learned a lot from the article because it was grounded in the concrete problem "call a BLAS function from Javascript". Great post!
Yes, I also like The Theoretical Minimum. Ha, I didn't realize there is more than one book! I think I only have the classical mechanics book. Need to buy the other ones.
I tried to organize many physics subjects in a similar manner, with many worked out examples (minimal, but non-trivial/complete):
