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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.
~~
is a doubleNOT
bitwise operator. It's essentially the same asMath.floor(n)
, except I think~~
is sligthly faster andMath.floor(NaN)
returns NaN, whereas~~NaN
returns 0.Google is your friend, if you wanna know the specifics.
hi can you explain what does it mean ~~a[0], please)))