I feel like the defensiveness of your coding style is a good indication of when it might be a good idea to shift the technology stack to one that provides more enforced safety. It's amazing how helpful a strong compiler can be to writing correct code, as a problem gets too hairy. But if you're taking advantage of a liberal environment, defensive coding is critical.
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.
I feel like the defensiveness of your coding style is a good indication of when it might be a good idea to shift the technology stack to one that provides more enforced safety. It's amazing how helpful a strong compiler can be to writing correct code, as a problem gets too hairy. But if you're taking advantage of a liberal environment, defensive coding is critical.