I deleted your question. You left the access keys to a website in the code. They were deleted, but that simply moves the keys into the history, they don't get completely removed. Since there is no way for me delete a specific version of a question entirely, the entire question got deleted.
You may repost the question but without the access keys. Next time ...
I've undeleted the question; even though it might not be useful for the author anymore, you might be able to help future visitors with a similar problem.
Note that as a 10k user, you can flag posts like these for ♦ moderator attention. That's probably quicker, and that way we keep Meta for questions about Ask Different where everybody can participate.
They don't get a notification about the deleted answer, but they do get a notification from the comments by the ♦ moderator. That's why I tend to leave a comment whenever I delete a post. As a regular user, you should still leave comments because the author might read them before their post gets deleted. Some more details can be found in this Meta ...
Systematically, I'm not sure there's a tool / method to handle the abstract idea, however all seem manageable with the existing moderator tools on a case by case basis.
Any moderator (user with sufficient reputation) can flag the deleted questions that are savable and flag the questions that are closed as dupe that would be worth reopening.
Again, a ...
Your questions should all be listed at https://apple.stackexchange.com/users/51900/cupawntae?tab=questions&sort=newest
Only two are deleted. Is it one of those?
Target Display iMac steals Thunderbolt when I unplug and won't give it back, deletion reason was RemoveDeadQuestions
Is it possible to close all notification alerts?, deletion reason was ...
Thanks for bringing this up on meta so quickly. As already remarked by @Tetsujin in the comments:
We can keep it & link it as a duplicate - which gives Google a greater chance of finding the answer in future. I'll vote to close as a dupe; it doesn't reflect on the quality of the question, merely links it to an existing one with a highly-voted answer.