There have been many times when I have felt I was a much better programmer 4 years ago. One advice is to understand a good, sufficiently complex open source cod

There have been many times when I have felt I was a much better programmer 4 years ago. One advice is to understand a good, sufficiently complex open source code base. Maybe something you use daily and perhaps wanted to add a feature or fix a bug. Chromium, Sqlite, django, etc. If you have access, discussing solutions with peers also helps.