Iterative in-order Updated 2025-07-16
This is a bit harder than iterative pre-order: now we have to check if there is a left or right element or not:
  • (START) push current
  • if there is left:
    • move left
  • else:
    • (ELSE) pop
    • visit
    • if there is right
      • move right
      • GOTO START
    • else:
      • GOTO ELSE
The control flow can be slightly simplified if we allow NULLs: www.geeksforgeeks.org/inorder-tree-traversal-without-recursion/
Graphite Updated 2025-07-16
The layered one.
Info-ZIP Updated 2025-07-16
The dominant Linux implemenation, e.g. default zip command on Ubuntu 23.04.
So dominant that it is usualy called just "zip".
Zombie video game Updated 2025-07-16
Upside: it is easier to simulate zombies than it is to simulate intelligent humans and make them look convincing.
Downside:
Amazon Prime Video Updated 2025-07-16
As of 2021, Ciro Santilli feels strongly that Amazon originals are so much sillier compared to Netflix ones in average.
Of course, everything pales in comparison to The Criterion Collection.
Atomicity (database systems) Updated 2025-07-16
This means that e.g. if you do an UPDATE query on multiple rows, and power goes out half way, either all update, or none update.
This is different from isolation, which considers instead what can or cannot happen when multiple queries are running in parallel.
Supercomputer controlling a robot Updated 2025-07-16
Has anybody done this seriously? Given a supercomputer, what amazing human-like robot behavior we can achieve?

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