How to find List has duplicate values in List
32826
C# LINQ find duplicates in List
143206
How to check if all list items have the same value and return it, or return an “otherValue” if they don’t?
146899
How can I check that a list has one and only one truthy value?
114880
Find duplicate records in a table using SQL Server
45434
How to keep unique items from a collection of similar items in a list?
85230
What is the most elegant way to find index of duplicate items in C# List
652
How do you remove duplicates from a list whilst preserving order?
117424
Simple way to find if two different lists contain exactly the same elements?
112422
Python: Find in list
10837
Delete duplicates in a list, depending on the sequence of numbers
111975
Find the item with maximum occurrences in a list
144998
Java - Removing duplicates in an ArrayList
54420
How to locate a list within a list?
28943
How do I remove duplicates from a C# array?
69504
List array duplicates with count
119117
Remove duplicates from Array
68047
How to check if one of the following items is in a list?