Questions tagged [map]

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19
votes
4answers
11k views

“Use map instead of class to represent data” -Rich Hickey

In this video by Rich Hickey, the Clojure creator, he advises to use map to represent data instead of using a class to represent it, as done in Java. I don't understand how it can be better, since how ...
9
votes
1answer
14k views

What is the use of DTO instead of Entity?

I am working on RCP application, I'm new to this application. Spring beans are used to write business logic to save/fetch entities. But, instead of sending entities directly to client we are ...
6
votes
1answer
190 views

Multi-platform Map Application

I'm working on a web project (PHP, jQuery) which currently using Google Maps powering up the map functionality of the application, however we need to make it multi-platform like you can go to the ...
0
votes
2answers
562 views

Can hashtable be used for implementing multimap?

Is it correct that hashtables assume no key is shared between more than one records? In other words, can hashtables be used for implementing multimaps? When using a hashtable, can't multiple records ...