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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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Golfing here, not writing a production calculator in 3-4 lines of code... far from best practice, if you actually used this I would laugh at you...
Golfing here, not writing a production calculator in 3-4 lines of code... far from best practice, if you actually used this I would laugh at you...
I guess using this calculator you could simply inject random code in, so it's not a "best practice," but it's certainly effective.
Example of 12-year-old troll breaking your calculator, and its machine:
Calculator.new.evaluate(system("rm -rf *"))This comment is hidden because it contains spoiler information about the solution