I believe programmers are no better than their knowledge of the debugging and troubleshooting tools available for the programming language they’re using. Why? Well, first, all programmers make coding mistakes. I often remark that the day I code something that compiles and runs correctly the first time, I’m going to retire because that would be the peak of my programming career. Second, programmers make logic mistakes. When is the last time you had to write some parsing code? That’s one of the toughest types of programming to get right the first, second, third, or nth time around.

To find and solve our mistakes, we need ...

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