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I really enjoyed andrej karpathy’s zero to hero videos and I like the concept of you don’t know something till you build it, so I made this site, probably should of come up with a better title because it is made as a learning tool not as interview prep like leetcode

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First off, thanks! This does look like a fun way to learn things.

Secondly, FWIW, when I read the the term 'excercises' in the HN title I interpreted that to mean exactly a learning tool and not interview prep. The term "Challenges" in the website title is maybe a little less specific.

I can appreciate that. It wasn't until I implemented a few matrix factorization routines that I appreciated the decisions that go into Eigen, etc. It wasn't until I tried it with SIMD that I appreciated the speedups and knew where to look to coax them out.

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