How can i start for QT library and what are the advantage of learning it

Question

qt library framework

Answer 1

pls tell me from where I can learn about iot(internet of things)

Answer 2

what is STL implementation pls explain

Answer 3

thanks

Answer 4

pls provide some link for iot, is there any source to learn about iot

Answer 5

is there any platform to get internship