Water: A Drop in th 分享321 包尔老师的软件课程吧 包尔老师😈 计算机科学速成课 | 31 计算机安全Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science! (???嗨,是 Carrie Anne \N 欢迎收看计算机科学速成课! Over last three episodes, we’ve talked about how computers have become...
A sudden surge in U.S. stock volatility this week prompted some traders to blame short-dated options as the culprit, though others say the popular derivatives were just one piece of the puzzle. Traders got a rude awakening on Wednesday when stocks began sliding in the middle of a sleepy af...