New ask Hacker News story: Ask HN: How to learn the Big O Notation?

Ask HN: How to learn the Big O Notation?
3 by lamentus | 2 comments on Hacker News.
Hello, I would like to learn about the Big O Notation and I am looking for good resources. Unfortunately I can not find anything better than few minutes long videos on Youtube. Could you please recommend me something? Thank you