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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.
very clever indeed
to be clear, this is not the best solution as it uses O(n^2 log n) time; Blind4Basics solution is better.
What's the point of the r? I did basically the same thing except without the r, and it worked fine.
Fixed
Minor suggestion: without the list brackets, it's a generator expression, and is a little more efficient. Consuming the generator into a list isn't necessary.
yes, comparison operators yield booleans in PostgreSQL
So just trying to clarify it for myself, you don't need to use "CASE WHEN" in this case? If you just write that inequality, the new column will automatically contain either "true" or "false"? Thanks in advance.
I always forget that the ternary exists
wow this was a clever and concise solution!
👏
Nicce
not vlever
Best solution
LOL!
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