Efficent collection to associate a key with multiple value Objects
56252
Map implementation with duplicate keys
12039
How to find an object with specific field values in a std::set?
101691
Using the field of an object as a generic Dictionary key
112770
How to merge two object values by keys
155034
How to swap keys and values in a Map elegantly
26121
MongoDB Query Help - query on values of any key in a sub-object
139969
How to represent it with UNIQUE indexes and foreign keys?
125577
Multi value Dictionary
153378
Is there a good LINQ way to do a cartesian product?
78947
Bidirectional multi-valued map in Java
104418
A QuerySet by aggregate field value
100207
Need to create a combination of fields to be the primary key to determine price for a product
38708
What is a use case where one would use an SObject as a Map key?
129322
Many To many for Bulk records
39465
LINQ implementation of Cartesian Product with pruning
58669
What is the best way to implement nested dictionaries?
141510
Querying from Multiple Objects