On average I work with JSON data 18 times a week. And I still need to google for specific ways to manipulate them almost every time. What if there was an ultimate guide that could always give you the answer?
We all know we should write unit tests. But, it's hard to know where to start and how much time to devote to tests compared to actual implementation. So, where to start? And is it just about testing code or do unit tests have other benefits?