Animated Sorting Algorithms.
For those who haven’t read neither “Algorithms and Data Structures” by Niklaus Wirth nor “Algorithms in C” by Robert Sedgewick (both available in our companies engineering library).
(Via Ned Batchelder)
This is just amazing:
Even if you haven’t experienced these systems yourself, you have to appreciate the amount of work which is put into these posts and in documenting these antique systems.