What are the ways to minimize DevOps costs? Waiting to hear back from AWS/GC/DO geeks

Is it possible to have a function that returns a generic type?

Something like this:- fun <T> doSomething() : T { when { T is Boolean -> somethingThatReturnsBoolean() T is Int -> somethingThatReturnsInt() else -> throw Exception("Unhandled return type") } }

Which is the best template engine to use with Spring Boot, JSP, Freemarker, Vector or Thymeleaf?

For the development of a website, I need a template engine which should have good speed, easily maintainable and should have good support.

How does git work under the hood?

I use git on a daily basis. But, when it comes to how it works under the hood, I am literally clueless.

What’s your honest Dev confession?

In the spirit of top developers getting honest, let’s share our confessions too! Here are some confessions of mine: The first time I opened VIM, I killed the terminal as I couldn't figure out how to exit. I copy + paste code from internet all the t...

What is the optimal way to practice competitive programming?

Should one practice a difficult question and spend sufficient time on that or practice more number of problems in a short span of time? What would you do?

What programming languages do you want to learn next, and why?

As a full-time software developer working in a company, how and when do you usually get time for casual browsing?