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At the other end of the link I post some results of my other hobbies, like playing bass. It is worth checking it out ;)
Recently I have found Code Wars a website where you can practice your development skills. I thought this is another nice idea like exercism.io — but soon I had to find out that I was wrong.
A good question, why you need Katas to be a better programmer. I won’t answer this question fully but I try to explain why Katas are good and why you should do them if you can.