Solving the issue of users who leave after getting their answer -- without accepting it
50556
Force Accepted Answers on Questions by Inactive Users
9977
Policy on accepting answer after question is no longer relevant to original poster
4738
Warn new users when they ask a question after a previous question is closed, downvoted, or deleted
23466
People deleting their own questions once they have an answer
44432
Allow anyone to comment but hide low-rep users' comments until reviewed
16630
Allow users to mark "accepted" answer on someone else's question?
65584
Give badges to people for coming back and answering their own question
121719
Accepted answer reputation disappears?
158101
User deleting code after question has been answered
38792
Regain of reputation from downvoted and deleted answers - update FAQ
3860
Proposed improvement to flagging, for answers
83172
Acceptable solution for 'answer copying'?
101825
Feature Request: "WAKE UP and accept my answer please"
60332
How can I ask question from specific users about the reason for closing a question?
5563
Asking users to accept answer when they comment that it answers their question
138887
Clarify the "8 hour delay" self-answer message to discourage self-answering with edits or comments
16653
How to deal with obsolete answers?