Spring MVC or Spring Boot?

I want to start working on Spring. So what should I start with: Spring MVC or Spring Boot?

Can anyone explain the concept of closures in JavaScript, in brief?

I have been doing JS for a while, and is it a little embarrassing to admit that I still don’t fully understand what exactly are closures. Some examples would be appreciated. Thank you!

Why is using `eval` considered bad in JavaScript?

I heard the speaker in a meetup say, “You’re either evil, or just plain stupid if you use eval in your code”. Is there are any grain of truth behind the above statement?

Does Angular ship with a Virtual DOM, like React?

React has a VirtualDOM which arguably make is performant. Angular folks, does Angular have a Virtual DOM, as similar to React; or is it all Vanilla JS manipulation? If it doesn’t, do yo think Angular should ship with a Virtual DOM?

What's the best way to map over an Object/Array in JavaScript (ES6)?

Sometimes I need to map both objects properties and arrays. Since Array.map supports only arrays, I end up using lodash/map (Lodash supports both objects and arrays). What's the recommended way to handle this?

Have you ever coined a programming jargon? What is it?

What are your three reasons for loving JavaScript?

Why do web developers love JavaScript?

How do fat arrows work under the hood, in JavaScript?

I understand that they pass the this value outside the context of a function, into the function. But what I want to understand is, are they just syntactic sugar on top of doing var self = this; and using self inside the function; or do they differ fr...

What is the difference between serializable and non-serializable data?

I was reading Redux documentation, and this is what I read: It is highly recommended that you only put plain serializable objects, arrays, and primitives into your store. It's technically possible to insert non-serializable items into the store, but...

Which real-time notification technique should I use?

My web app is a NodeJS + ReactJS app. I want to send notifications on follow user, upvote content, etc. Which technique should I use for the real time notification? Long-polling Server-Sent Events WebSockets