Understanding pointers/address and how memory works is essential if you're serious about building any app or game.
This is probably not the best example since std::vectors themselves change size and address (along with a few other things I didn't talk about..)
The point is you should get into the habit of visualizing what memory looks like and also get into the habit of debugging.
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intro: (0:00)
iteration: (0:52)
be careful: (3:27)
outro: (9:11)
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