How help to the development community with the most duplicated questions on Stack Overflow
110889
What is the most rampant duplicate on Stack Exchange sites?
128880
"Marked as duplicate" text doesn't make sense for questions that have no answer
70074
How to handle a deliberate duplicate question
111780
How should we deal with questions that fit on more than one Stack Exchange site?
61584
When is a duplicate question not a duplicate?
105704
Question closed as duplicate with  and also shown as "Possible duplicate"
137347
How to ask multiple similar but different questions?
105400
What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)
51087
Remove votes to close question X as a duplicate of Y if question Y is closed as a duplicate of X
150539
Sorting by questions that have no answers by votes shows duplicates
64859
Is it acceptable to add a duplicate answer to several questions?
82853
Can Community ♦ raise a duplicate content flag when an answer is deleted and re-posted as a new answer?
146576
Askers should be able to close their own question as a duplicate
146225
Duplicate questions on other SE sites?
19629
Where is it preferred to place the answer to duplicate questions?
135386
Should bug-report/feature-request *questions* that duplicate Grab-bag *answers* be closed as duplicates?
154856
Wording of "possible/exact duplicates" when closing the question