Top "Hashtable" questions

A hash table in programming is a collection that uses a hash function to map identifying values (keys) to their associated values.

Does "put" overwrite existing values?

New to hashtables with a simple question. For some reason googling hasn't gotten me a straight answer. Say I've got …

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Advantages of Binary Search Trees over Hash Tables

What are the advantages of binary search trees over hash tables? Hash tables can look up any element in Theta(1) …

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Binary Trees vs. Linked Lists vs. Hash Tables

I'm building a symbol table for a project I'm working on. I was wondering what peoples opinions are on the …

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Hashtable with MultiDimensional Key in C#

I'm basically looking for a way to access a hashtable value using a two-dimensional typed key in c#. Eventually I …

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Best structure for list of key-value (integer, string) to be shuffled

I need to implement a structure in Java that is a key-value list (of types Integer-String) and I want to …

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ConcurrentHashMap and Hashtable in Java

What is the difference between a ConcurrentHashMap and a Hashtable in Java? Which is more efficient for threaded applications?

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Super high performance C/C++ hash map (table, dictionary)

I need to map primitive keys (int, maybe long) to struct values in a high-performance hash map data structure. My …

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Remove a Key from Dictionary by key name

I'm trying to remove a key from my dictionary if the key is a certain key. parameterList is a dictionary&…

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Simple hash functions

I'm trying to write a C program that uses a hash table to store different words and I could use …

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Looking for a good hash table implementation in C

I am primarily interested in string keys. Can someone point me towards a library?

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