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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.
People that insult other people because their assessment/judgement is not aligned with their own, are people I would NEVER like to work with in a production environment.
So what? XOR is elementary logic. Using bitwise operators is normal e.g. in system or embedded programming. Not everyone is a frontend developer. Last but not least, this site is not about writing production code.
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