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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
yeah, this solution is the best for a much larger array.
lol
i don't think regexp should be 8kyu
omg, that's a massive hit.
not quite sure why (0 || null) returns null, not 0.
WTF?
bad, unreadable
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unreadable
8 kyu kata.
of course, i expected sth like this.
but why?
Finally, a fun kata.
clever, but unreadable.
why we need to compare with 20?
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