hashset

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How to retrieve actual item from HashSet<T>?

I\'ve read this question about why it is not possible, but haven\'t found a solution to the problem. I would like to retrieve an item from a .NET HashSet<T>. I\'m looking for a method that woul[详细]

2023-04-13 09:37 分类：问答
std::hash_set vs std::unordered_set, are they the same thing?

I know hash_set is non-standard and unordered_set is standard. However, I am wondering, performance wise, what is the difference between the 开发者_高级运维two? Why do they exist separately?The comple[详细]

2023-04-10 15:30 分类：问答
Handling large String lists in java

I\'ve got a task, where I\'ve got to go through several billion string lines and check, whether each of those is unique. All the lines themselves cannot be accommodated within the RAM memory of the PC[详细]

2023-04-10 04:48 分类：问答
Picking the right data structure

I\'m trying to teach myself java. I\'m trying to write a program that takes a string with no spaces and separates it into words.[详细]

2023-04-09 11:30 分类：问答
java.lang.ArrayStoreException in java.util.Hashset

开发者_Go百科Here is the stack trace : java.lang.ArrayStoreException at java.util.HashMap.transfer(Unknown Source)[详细]

2023-04-07 15:35 分类：问答
using HashSet removing duplicates

how can i remove duplicates using HashSet or if you have better idea please let me know but so far this is what i am doing...[详细]

2023-04-06 04:29 分类：问答
HashSet eclipse debugger variables

In Eclipse debugger variables\'s view , im looking at aHashSet and it has a map element which contain开发者_运维技巧s a KeySet and a Table but what puzzles me is that this table contains many null ref[详细]

2023-04-05 16:35 分类：问答
Java: "myString[hey, there]" to HashSet?

I had a Ha开发者_Go百科shSet and i stored the content of it in a String using .toString(). Is there any simple way to get the String back into a HashSet?[详细]

2023-04-05 07:47 分类：问答
Java Program Design - Card Shuffler

I am trying to write a card shuffler, and I know the method by which I wish to shuffle the cards.However, I am at a loss of the best object-oriented way in which to write it.[详细]

2023-04-04 22:44 分类：问答
Infinite Loop on Cached collection in Multithreaded environment

My application is running on tomcat with Spring and Hibernate framework. It uses EHCache as a cache provider in service level. That means objects created by service classes are put into the cache. (No[详细]

2023-04-04 07:00 分类：问答