There is a rather pretty solution how to get all the items from one generic collection (List<T>) which are not presented in the second one.
Get only non-repeated items in generic collection List
There is a rather pretty solution how to get all the items from one generic collection (List<T>) which are not presented in the second one.
There’re no associative arrays (hash) in common sense. There are Dictionaries for this. It’s a very good tool if you want to use link "key-value". Using Dictionaries, keys and values can be different types. (read more...)