In a b-tree you can store both keys and data in the internal and leaf nodes, but in a b+ tree you have to stor
When should I use a dictionary, list or set? Are there scenarios that are more suited for each data type?
I'm trying to answer two questions in a definitive list: What are the underlying data structures used fo
Brief background: Many (most?) contemporary programming languages in widespread use have at least a handful of
This is a simple question from algorithms theory. The difference between them is that in one case you count nu
Can anyone please explain the difference between binary tree and binary search tree with an example?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is s
A long time ago, I bought a data structures book off the bargain table for $1.25. In it, the explanation for
As made clear in update 3 on this answer, this notation: var hash = {}; hash[X] does not actually hash the ob
I use LINQ to Objects instructions on an ordered array. Which operations shouldn't I do to be sure the o
Why does the C++ STL not provide any "tree" containers, and what's the best thing to use instead? I want
Is there any way I can separate a List<SomeObject> into several separate lists of SomeObject, using the
Suppose we have two stacks and no other temporary variable. Is to possible to "construct" a queue data struct
Say you have a linked list structure in Java. It's made up of Nodes: class Node { Node next; //
I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me! Fo
Is there any standard Java library class to represent a tree in Java? Specifically I need to represent the fo
I want to check whether the "user" key is present or not in the session hash. How can I do this? Note that I