I want to know what skills I can work on to write elegant code. In particular, I want to know the secret sauce to making a comprehensive project I can show off to people
Methods: I searched an edX course's materials for some causal intuitions I could reinforce. (Background understandings, like "If I get X right then Y will go a little more smoothly".) I then stuck my insights into an Anki deck to be digested at a later date.
Results: Anki Deck on Google Drive (UPDATE: 4 months later Revised Deck)
Good cards require personalization. Results may vary.
Random sample 4/49 cards
Ask [programmer friend] to look over my cards
Try the following the "recipes" on a practice programming problem
Ask people on my blog for feedback
Observe how many cards I've deleted, marked, suspended, or edited in three months.
I hit my comprehension limit partway through, maybe read it again after I've reviewed the deck.
----UPDATE July 11, 2016:
4 months later, I still have 49 cards. I've modified 31 of them. Here is the Revised Deck.