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Questions tagged [traversal]

Traversal is the action of iterating over all the elements in a sequence of elements.

Traversal, in the context of programming languages, usually refers to the act of visiting all the elements in a sequence of elements - be it an array, a set, a list, or any other data structure.

Examples: Tree Traversal

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OrientDB Edge From To Confusion

I'm new using Graph Databases and I'm a little confused about the concept of From / To or In/Out in OrientDB. Which is the best approach to define which Vertex is From and which is To? Or Both for example when is a relation of contact in social…
Nelson
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Traversing an Unknown Level of Users for an Organizational Chart

I'm working on an organizational chart in PHP, and the data is retrieved from a database. An example of the organizational chart looks like the following, but it has an unknown number of levels: Me Brandon David a. Amanda b. Michelle c.…
Cody Helscel
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go back(traverse up) from "this" and find specific element with jQuery

Even with jQuery traversing from a specific point is sometimes a riddle to me. My HTML Structure looks like this:
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Bill Bronson
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Retrieving an element by index in Java linked list

I am writing a linked list (not using Java's) and trying to create a get method to return an element of the list by its index number. Originally, I wrote this using a for loop. My code is repeatedly failing a test in which it retrieves the element…
Caroline
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Perl script is not recognizing all directories using -d flag

I am having issues getting my Perl script to recognize some subdirectories when traversing through my file system. Please note that this is part of a homework assignment, and I am unable to use modules of any kind. I have attempted to troubleshoot…
M.Wilson
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NxM Matrix Traversal

I am struggling with my algorithm for the following question: Given a rectangular matrix which has only two possible values ‘X’ and ‘O’. The values ‘X’ always appear in form of rectangular islands and these islands are always row-wise and…
Natasha Kelly
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Matching everything between two HTML elements with jQuery

I have empty elements that can be anywhere in the DOM. They have a specific class and id like and . So I can identify the starting point and the endpoint via the id. I now want…
mr. parchman
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Longest Path: Recursive Backtracking with Constraints in C

I was recently assigned a problem, which boils down to finding the longest path in a given matrix, where two cells are adjacent iff the neighboring value is less than the present cell. I've been tearing my hair out trying to figure it out, so I…
avery_laird
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Traverse to an element and add a class to it

I'm sure this is very easy but its a friday afternoon and my brain is a little frazzled. Any help would be appreciated I am looking to traverse to an 'a' tag within a 'li' tag. The li tag has a class of 'menu-item-has-children'. I am trying to add…
CraigDev
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Depth traversal Orientdb

How can I get depth traversal of a graph in Orientdb . Using the documentation here is what I tried , yet when I run in I get an error here is the query . EXPLAIN SELECT FROM (TRAVERSE any("Edge1") FROM P_H WHILE $depth <= 3) WHERE p…
Muna arr
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Traversing an Array Javascript

I'm supposed to use a while loop to traverse this array and multiply each item by 2. The page just keeps loading forever when I try to run it.... What am I missing? Thank you. var prices = [4, 5, 8, 10]; var i = 0; while (i < prices.length){ …
Tyler Slay
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Jquery - Find Previous 'a' class

This is probably very simple but I can't seem to put it together. I am simply trying to find the class of the anchor tab that apears right before my input field. My code looks like this: $(':input[required]').each(function () { if…
user982853
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Neo4j Graph depth traversal Cypher

I'm using neo4j as a graph database and I want to return from a starting node neighbors of that node, and all the related neighbors to a depth varying from 1 to 3. I'm Doing this but it gets stuck: Note that it is a large graph. start n = node(*)…
Muna arr
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How do you create a string representation of an in-order traversal that is recursive?

I have to create and return a string representation of the in-order traversal of a Binary Search Tree. Below I do have the in order traversal, but I can not figure out how to change this into string form. I did try using + to concatenate them…
oppa76
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Iterate bits from left to right for any number

I am trying to implement Modular Exponentiation (square and multiply left to right) algorithm in c. In order to iterate the bits from left to right, I can use masking which is explained in this link In this example mask used is 0x80 which can work…
TechJ
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