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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.
Can't beat the clarity and simplicity of this method. Thx! =)
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You can replace the last two lines with
(1..n).inject(1, :*)I'm not sure about this but it may be that you clicked on the the vim or emacs button. deselect the button to go back to normal mode. hope this help but i could be wrong.