Is it really a lost art? I've recently been learning C and C++, and all three of the textbooks I've been studying have mentioned in, and two go very in-depth on

Is it really a lost art? I've recently been learning C and C++, and all three of the textbooks I've been studying have mentioned in, and two go very in-depth on it (one of those is a games programming textbook). This is a great resource though, definitely going to add it to my studies.