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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.
The best practice is using string.IsNullOrWhiteSpace() method.
Yeah I'm wondering this too.
Thanks man! I've already knew why I'm wrong in some cases.
I'm so frustrated with this Kata. Thought it was easy at first but then found out some tricky situations. But even after fixing them, whenever I click the "Attemp" button, the number of Passed and Failed cases kept changing. Like there're time they're 74 - 36, 72 - 38, 70 - 40, 80 - 30....