How do you track things you're interested in Excel? For instance, if you're into python, would you make a python worksheet and fill it with goals and things to read?
I think what he means is that he tracks metrics that he wants to track (such as steps walked, miles run, water consumed, calories consumed, blood pressure, lines of code, dollars spent, etc.) in Excel.
You could track things related to your programming such as lines of code, optimizations made, errors encountered, bugs fixed, refactoring done.
You could track things related to your programming such as lines of code, optimizations made, errors encountered, bugs fixed, refactoring done.
Primer on quantified self: http://quantifiedself.com/about/