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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.
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What does (?!$)|$)){4}(?=$) accomplish?
Awesome explanation, thanks!
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very nice
the magic of the number 9
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how does it work? if the number is 18 for example, 18%9==0, while sum of digs should be 9.
thanks!
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Thanks :)
This is really clean and easy for someone like me to follow/read. I like this a lot.
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was gonna say, someone tried using regex but had issues (I'm also someone)
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