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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.
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Gj
牛逼，学习
Could've compile regex first
As you are using return in every if, you don't need the elses
after a kata forcing me to learn regex I now start to appreciate it a lot!
"find pattern and do sth with it" vibe that regex methods give seems more readable than other methods (where lil setups scattered around & can be confusing at the beginning uh for a newbie like me)
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This kata have to be more specific in your instructions
Hey, what can I say? Oh, right. This: http://www.youtube.com/watch?v=hou0lU8WMgo
I love that this is not technically wrong.
Beautiful, really, beautiful.