1. Listen carefully to professional courses, because some courses are like "Data Structure", "database system principle", and "Operating System". The instructor will give you a one-minute lecture on what you can understand, you can watch it for several months, and some may not even understand it for several years.
2. programming is not a technical activity, but a physical activity.
3. When you are a programmer, you must have enough toughness and perseverance! A master has a question to test your toughness and perseverance: Find a prime number table of less than 10000, copy them all, and then check it three times, if you can do this without interruption, you can satisfy this requirement.
4. Good programmers must have good writing and expression skills. Only by writing detailed instructions for the program that can be understood by others can this program be of value.
5. Learn micro-economics well before graduation and understand the gaps between user needs and Product Design