Is two answers by one user for a single question acceptable?
39772
What is the official etiquette on answering a question twice?
33329
Can I make conclusions with two independent samples?
38540
Wouldn't it make sense to have more than one answer acceptable?
52067
Etiquette for suggesting a user accept a different answer?
71551
Is it OK to cross-post an old, unanswered question?
86947
I have a stupid self-answered question. Should I accept my own answer?
61584
When is a duplicate question not a duplicate?
120140
What to do with an additional answer which IMHO explains only a small portion of the question, while another answer explains more
85905
Clarification for non-answers
78555
Double booked - User bookmarking question recorded twice
78861
Why are there two separate boxes about duplicate questions?
90029
Is it ok to answer based someone's older answer on SE?
123973
How to know reputation question/answerwise separately ?
35162
Duplicate questions without answers
103155
Does Stack Exchange allow for answers which question the validity or stance of the original question?
109357
Allow me to accept an answer immediately
127896
When to ask multiple questions in a single post ? (Revisited)