Teach Yourself Programming in Ten Years. Free Programming Resources. Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes. How to be a Programmer: A Short, Comprehensive, and Personal Summary. Debugging is the cornerstone of being a programmer.
The first meaning of the verb to debug is to remove errors, but the meaning that really matters is to see into the execution of a program by examining it. A programmer that cannot debug effectively is blind. Idealists that think design, or analysis, or complexity theory, or whatnot, are more fundamental are not working programmers.