Why is this function duplicating rows?
1607
List of lists changes reflected across sublists unexpectedly
139443
Why can't I iterate twice over the same data?
66211
Removing elements that have consecutive duplicates
56874
How can I remove all duplicates so that NONE are left in a data frame?
112077
How to check if a value already exists to avoid duplicates?
25912
Why does adding a new value to list overwrite previous values in the list
123831
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
78728
Finding duplicate values in a SQL table
46223
How do I remove duplicates when using the random sort?
27240
How to mix pairs of rows without JOIN (in a temporary table)?
150119
Scheme removing nested duplicates
110613
Python script for identifying duplicate records (follow up)
53689
Filtering out duplicated/non-unique rows in data.table
153827
Why the rows returns by "explain" is not equal to count()?
148599
"Column count doesn't match value count at row" but it does
79109
Removing duplicate rows in Notepad++
35205
Deleting duplicate rows from a table