Daily drill
Today's question, then the handful of cards you are closest to forgetting. Two minutes, same URL every day - that is the whole habit.
Question of the dayCS Syllabus
A program is 80% parallelisable. With infinitely many processors, the maximum speedup is:
Prefer a nudge in your inbox?
A short weekly email: the week's best question, one visualizer worth ten minutes, and what shipped. Nothing else.