I'm a Ph.D. candidate at Binghamton University researching compiler design and program analysis to enhance system security. To quote Pastor Manul Laphroaig, "I'm building my own bird feeder!"
If you are not constantly adding new deep knowledge about things you already have learned, you’ll stagnate. This is really bad. If you are not constantly adding new areas of expertise, you are pigeonholing yourself. This is also really bad.
TLDR: Both? Both. Both is good.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
If you are not constantly adding new deep knowledge about things you already have learned, you’ll stagnate. This is really bad. If you are not constantly adding new areas of expertise, you are pigeonholing yourself. This is also really bad.
TLDR: Both? Both. Both is good.