Closures are amazing, but it's also a bit of a misunderstood topic. Lets dive into Closure and learn about what a useful construct it is. I can promise bboth an explanation of what it is, in what cases it can confuse. Finally I will show some good use cases.
Most people swear at RegEx and yes it's a tricky topic. But just by understanding enough it can really change how you code. But as with everything, it shines it certain contexts. So lets learn enough, with this beginner to intermediate tutorial :)