Questions tagged [map]
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65 questions
5 votes
3 answers
666 views
How to get rid of Mappers and make objects build themselves?
I am having a really hard time deciding where to instantiate my entities in the refactoring I am making. The project was built with DDD and it's layered: it has the infra, domain and app layers. In ...
1 vote
1 answer
139 views
Long dictionary/map key vs shorter key + equality check for an auth cache
I'm implementing an API key based authentication scheme and I'm caching valid API key entries (hash, scope etc.) in a memory cache. For the cache key, I had been using the first 8 characters of the ...
- 379
0 votes
1 answer
1k views
Why shouldn't I be using SQLITE instead of the INI format in all cases?
Backstory In an effort to store partial and full downloads to file in a clean manner, I had utilized QSettings which stores its key value pairs in the INI format in a single file. https://doc.qt.io/qt-...
- 3,649
3 votes
3 answers
828 views
Read large JSON file and return a subset for map
To some extent, this is a wide question, because I do not know in which direction I should move. I am using Polymaps to show markers on a map. The markers are static but the visualization depends on ...
- 141
-2 votes
1 answer
196 views
Map synchronization algorithm
Say I have two Map instances in JavaScript (or HashMap in Java, or Dictionary in C#), A and B. I want to synchronize B to A, so that B is a copy of A. I can't copy the reference and I don't want to ...
- 432
3 votes
1 answer
110 views
java hashtable extending to support duplicates
I have to maintain an old application and have to extend some modules. There is an hashtable that is used for maintaining/holding some objects as representation of running (real) processes (don't see ...
- 149
4 votes
5 answers
9k views
Use POJO or Map when there is a finite number of known keys?
I have some set of data with key-value pairs, but there is only a finite and known set of keys, all of the key should always be present on that data, and they all have the same type for the value. ...
- 607
0 votes
1 answer
382 views
How to avoid Global State with a world map?
This is a conceptual problem I'm having general difficulty with, and I'd like to look at an example that can hopefully help clarify this: using a map to represent an alterable game world. For ...
- 101