tangentstorm
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- Show HN: Learntris, a test-driven programming challenge (learntris.org)
I'm making a platform for programming challenges, and this is one where a Tetris clone. To use the test server and get the full experience, you need to sign in with a google account, but if you want to try it the "old"…
- Sandpiles – cellular automata in J [video] (youtube.com)
- Video: Basic Animation in J (youtube.com)
- Video: Ulam's Spiral in J (youtube.com)