I was asked a question:“What do you know about reflection in Java?” I wasn’t really confident while answering that question, so let’s get a bit wiser and polish my rusty knowledge.

Accessing command line arguments in NodeJS is easy. For simple applications, access the process.argv array directly. For more sophisticated ones, use one of argument parsers.

I have recently tried one Java quiz and there was a question about class nesting. I didn’t answer correclty since I hardly ever use this language feature and when use nested classes, I use them intuitively. Let’s refresh this piece of knowledge and add some remarks.

How to dockerize a simple NodeJS app

I came across an interesting kata on Codewars. Let’s discuss the solution a little bit.