The "duplicates" tag concerns detecting and/or dealing with multiple instances of items in collections.
I found a lot of related questions with answers talking about for...in loops and using hasOwnProperty but nothing I …
javascript jquery arrays duplicates key-valueI'm sure this is an extremely obvious question, and that there's a function that does exactly this, but I can't …
php arrays duplicatesI have a databse problem where i get Integrity constraint violation: 1062. I tried some things on my own but it …
mysql duplicates mysql-error-1062I have a pandas dataframe which contains duplicates values according to two columns (A and B): A B C 1 2 1 1 2 4 2 7 1 3 4 0 3 4 8 I …
python pandas dataframe duplicatesConsider a column named EmployeeName table Employee. The goal is to delete repeated records, based on the EmployeeName field. EmployeeName …
sql tsql duplicates delete-rowI have a list containing multiple lists as its elements eg: [[1,2,3,4],[4,5,6,7]] If I use the built in set function to …
python list duplicatesI'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "…
regex duplicates capture-groupFunction duplicated in R performs duplicate row search. If we want to remove the duplicates, we need just to write …
r duplicates dataframeIs there a way in pandas to check if a dataframe column has duplicate values, without actually dropping rows? I …
python pandas dataframe duplicatesI have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they …
mysql duplicates