Hey guys, can i learn websocket.io with learning nodejs and expressjs because i see most of people use nodejs in oder to work with websocket.io.and i want to use websocket.io with php not nodejs

I’m just thinking of building an online chat system. It’s like a clone version of discord but in my way and I don’t really have that knowledge about creating chat systems.
My question is how chat systems are made (I did use google and I didn’t find anything useful) i need someone to explain how a chat system works

Does it really need to learn jquery in 2019? Bc I read some websites saying that JavaScript has developed and no need for javascript , is that true?

What libraries should learn after finishing the basics of javascript ?

How to make the box beside the photo (I'm using HTML )

I need help for HTML?

Which one is better Ubuntu Linux or Linux Mint

I wanna try one of them, just out of curiosity

How to install Linux on windows without losing my own windows and personal files?

Which operating system is the best for programming

Windows. OR. Mac

Can anyone tell me the difference between CS and software engineering?
I only know the very basic background on it ( I want details)

I need some help with GUI programming (python tkinter)