The link is here. It is very interesting to understand stroustrup's Historical View. There are many comments worth referencing in the speech materials. For example, "no history, no (this course) Major": there can be no technical sonalism without history, and "It's easy to be fooled if you don't know the background of your field ": if you know too little of the background of your field, you are gullible. If a person cannot learn the historical background of his or her own field, I am afraid I still need to cultivate my skills. The Dreyfus model (strongly recommended) fully promoted by Andy hunt/Dave Thomas, author of "Practice programmers. This PPT provides a lot of answersProgramPersonnel's confusion about career development. Level 5 experts primarily rely on intuition to solve problems such as Ding Jie Niu. In such a realm, it is the accumulation of countless experiences. People cannot do everything. It is a shortcut to learn history by absorbing previous experiences and lessons. In addition, each culture and profession must have ideals and idols. Hey, this is also one of the purposes of programming experts in my mind. The 18th-page assertions are even better: "When you are stuck late at night (during debugging), you may wish to carefully examine your ownCodeHave you deviated from the ideal standard? This is often the easiest place for errors and the most likely cause of design problems. Do not keep an eye on each other and use the same method repeatedly to locate the error. Errors always appear in areas you have not checked-otherwise you will have found the error ." What is the ideal standard? Go to page 17th.