What to do with my answers that appear duplicate?
112256
Should I still post an answer if I see several answers have already been posted while writing an answer or making a fiddle?
43839
Score for question looks different than for answer
105400
What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)
53747
What's the appropriate reaction to an answer that doesn't attribute the source it's copied from?
133926
What if 2 answers are essentially the same?
16653
How to deal with obsolete answers?
87274
Should I downvote a duplicate question?
117258
Is it ok to to delete and repost a duplicate question?
52397
Some answers got unaccepted in my rep history but still display a checkmark
156012
Same question listed twice in reputation list
55508
Should I copy my answer to a duplicate question to the original question?
140849
Why didn't my name show up when I marked a question duplicate?
87154
What to do if an out of date question+answers already exists?
130608
Why can we flag/vote a question on Meta as duplicate of another question which has no accepted/upvoted answers?
153800
What if two answer are correct on Stack Overflow?
107358
Duplicated content - how to tell Google I am original author
44876
Answer appears automatically converted as a comment