multimap
How to iterate a C++ map of maps
I have a map of map std::map< int, std::map<string, double> > myMap; std::map< int, std::map<string, double> >::iterator itr;[详细]
2023-04-12 12:22 分类:问答Getting the value of a multimap in C++
I was wondering how do I retrieve the value of a mult开发者_如何学Pythoni map in C++Multimap has internal structure represented as std::pair<T_k, T_v>. It has first, second members. first is the[详细]
2023-04-11 02:59 分类:问答Filtering Guava HashMultimap keys by count
I have created a hash multi map of following type: key as a pair of string, string and value as long.[详细]
2023-04-07 19:47 分类:问答How to iterate/count for a multimap<string,string>
My class is like this: class Outgoing { multimap<string,string> outgoing; public: void makeConnection(string key, string value)[详细]
2023-04-04 18:55 分类:问答multimap vs map with set
I\'m wondering which is more efficient. std::map< String, std::set<int> > or std::multimap< String, int >[详细]
2023-04-03 09:12 分类:问答When is multimap preferred over map?
Can anyone please tell me that when do we prefer multimap开发者_开发百科 over map?You\'d use a multimap when you want to allow the same key values in your map.[详细]
2023-04-02 22:31 分类:问答Put in Hazelcast Multimap lasts > 5sec on 2 node cluster
i discovered a strange performance leak in one statement of our application, which runs on a two node cluster currently. It is this very method:[详细]
2023-03-31 19:51 分类:问答Why does it.next() throw java.util.ConcurrentModificationException?
final Multimap<Term, BooleanClause> terms = getTerms(bq); for (Term t : terms.keySet()) { Collection<BooleanClause> C = new HashSet(terms.get(t));[详细]
2023-03-31 10:07 分类:问答How to build a multimap from a list of tuples in Scala?
Suppose I have a list of t开发者_如何转开发uples List[(A, B)]. What is the best way to convert it to a multimap, which maps A to Set[B]? Can I build an immutable multimap ?[详细]
2023-03-30 21:28 分类:问答c++ multimap equal_range found nothing
How can I know the equal_range didn\'t find any match cases? like: multimap<string,string> mapdic;[详细]
2023-03-30 19:47 分类:问答