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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.
Could someone give me an explanation to this? I'm a lost on the underscore
Thank you for the feedback. Glad you enjoyed the solution and got something out of it.
I always have mixed reactions when looking at other solutions as they're usually the 'make-it-1-line' solutions which wouldn't ever be used in a corporate environment. However, I thoroughly enjoyed seeing your solution as it makes so much sense (Annoyed I didn't think like this) and is easy to read.
I knew there was some way to solve this with bitwise operators.. just couldn't figure out how.
omg, i am so stupid
Nice! Learned a new neat trick.