Duplicate sources.list entry but cannot find the duplicates?
5407
How to fix "W: Duplicate sources.list entry"?
70842
Finding unresolved references
14439
Error :: You must put some 'source' URIs in your sources.list
15096
Nomenclature duplicates
97199
The ability to link cross-site duplicates
69072
Using LINQ to find item in a List but get "Value cannot be null. Parameter name: source"
7821
Finding ALL duplicate rows, including "elements with smaller subscripts"
109338
How do I restore the sources.list file?
143658
Problem with citing same author, different source
16135
How could I retrieve the exact duplicate value from conditionally formatted list that highlight duplicates?
39443
Remove duplicate rules in a list?
79850
Interview - Detect/remove duplicate entries
18551
Duplicate questions in feed, and questions incorrectly marked as unanswered
9079
Mark-as-duplicate vs. Merge
85174
Why does the "which" command give duplicate results?
143056
Can I use set instead of List to resolve the duplicate id issue
115991
Removing duplicates from a list of lists