Matching list entries by two values, adding the third
139237
How to sum over duplicates?
104482
How to change specific values in a List
73916
Common elements in two lists
652
How do you remove duplicates from a list whilst preserving order?
68047
How to check if one of the following items is in a list?
140216
Finding multiple entries with binary search
22211
How to apply # on different lists?
72561
Joining pairs of elements of a list
10837
Delete duplicates in a list, depending on the sequence of numbers
128348
Find and keep matches from 2 columns in Excel
23418
How do I join two lists in Java?
6135
combine a list with &&
102020
Merging lists of pairs
94756
Join two files, adding values in certain columns
41896
List creation/manipulation
113979
Lookup list dependant on the contents of another cell
147236
How to select sub-lists having at least one element that matches a pattern