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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.
Does not work for null items
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Exactly. This code contains code clone as well as it execute it twice.
I think this is most efficient solution. It does not use string.Split, it does not increase heap inside cycle (no GC) and it's low memory
This is way more efficient solution. Does not make sense to discuss other solutions at this point)
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