1、I want to know the the side-effect if request a qoute code repeatly.
2、as we know, the chain could be update in the trading session(9:00 - 16:30 HKSE), I want to store all quotes in the vector, under the circumstances, what should I do?
A、unRegister all quotes (has been registered) first, then register all quotes (contain the new quotes received )again?
B、just register all quotes again, even if some quotes has been registered.
C、only register the quote new received.