The "duplicates" tag concerns detecting and/or dealing with multiple instances of items in collections.
I need to DELETE duplicated rows for specified sid on a MySQL table. How can I do this with an …
mysql duplicatesI have an array in Perl: my @my_array = ("one","two","three","two","three"); How do I remove the duplicates …
perl arrays unique duplicatesI have a PostgreSQL database table called "user_links" which currently allows the following duplicate fields: year, user_id, sid, …
sql postgresql duplicatesPlease consider the below piece of code: HashSet hs = new HashSet(); hs.add("hi"); -- (1) hs.add("hi"); -- (2) hs.…
java hashmap duplicates hashsetI got this problem from an interview with Microsoft. Given an array of random integers, write an algorithm in C …
c algorithm arrays duplicatesI have a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the …
python duplicates pandasPlease look at the following query: tbl_Contents Content_Id Content_Title Content_Text 10002 New case Study New case Study 10003 …
sql join duplicatesI'm having a List<string> like: List<String> list = new List<String>{"6","1","2","4","6","5","1"}; I need …
c# linq duplicatesI know about SortedSet, but in my case I need something that implements List, and not Set. So is there …
java list collections duplicatesI want to remove duplicates from a list but what I am doing is not working: List<Customer> …
java list collections duplicates