Questions tagged [data-structures]
A data organization method aims to efficiently query and/or update specific properties of the stored information through a structured arrangement.
I'm interested in utilizing the data structure. Within the factory method, you have the opportunity to specify equals and compare parameters: SortedMap(entries, equals, compare). Can anyone provide insight into what the expected formats for these paramet ...
I am currently facing an issue while implementing DFS search in Python. To manage the nodes, I am utilizing the networkx library to represent them in a graph data structure. The dataset consists of 5 million nodes. Following the conversion of the stored da ...
My current project requires the implementation of undo-redo functionality for a product. At the moment, I am managing a substantial Object retrieved from a MongoDB collection The structure is as follows: { cart:{ products:[ { name: " ...
Currently, I am in the process of developing a unique sketching application using the HTML5 Canvas element. Despite my progress, there is one particular challenge that has stumped me. The main concept of the application involves allowing users to manipula ...
My goal is to develop a custom concert seat booking system using HTML, CSS, and JavaScript. For example, if the concert venue has 10 rows with 20 seats in each row, I could organize them like this: const rows = [ { name: 'A', seats: [1, 2, 3, 4] }, { ...
Currently, I am studying Tarjan's algorithm to identify articulation points in a graph through DFS. https://www.geeksforgeeks.org/articulation-points-or-cut-vertices-in-a-graph/ In this context, some important notations are: low[] : Array of N elem ...
In Python, I am working with an object type that contains multiple entries in the data-object. An example entry is shown below: > G1 \ jobname x [3. ...
Hey there! I'm new to python and currently tackling a csv file with a column that has a messy string object like this: I have a few questions: How can I neatly split the data into columns of my choosing? In relation to the image, how can I organize ...
Utilizing formik within material-ui for a form has been quite productive. I've implemented a map function to print text fields and managed to display the Submit button only once by targeting the index. However, there's an issue when attempting to access ea ...
Currently, I am in the process of configuring a Redis cache system for storing incoming JSON data in a specific format. My goal is to create an ordered list structure to accommodate the large volume of data that will be stored before eventual deletion. Th ...
I have a complex workflow that I need to represent as a JavaScript data structure. This workflow involves a series of questions and answers where the response to one question determines the next one asked. Here is a basic example of what this workflow migh ...
I am working on a JavaScript Link List implementation as a beginner, and I have written the following code: var LinkList = function () { this.LinkedList = { "Head": {} }; }; LinkList.prototype = { insert: function (element) { var Node = this ...
Consider this code snippet: import json foo_data = [ { "name": "Bob", "occupation": "", "standing": "good", "locations": ["California"], "meta": { "last_updated": "2018-01-15" } }, { "name": "", ...
I am attempting to organize a dictionary in a specific order. I would like the dictionary to be arranged first in ascending order based on values, and if there are two or more keys with equal values, then I want them to be sorted by the keys in descending ...
Recently, I stumbled upon the PHP-SPL data structures and decided to explore the first one: the doubly linked list. While I have a basic understanding of a linked list, grasping the concept of a doubly linked list made me wonder: What practical application ...
Hey there! I have an algorithm that utilizes a binary tree for heapifying and sorting a list. I am looking to modify this sorting algorithm to work with a d-heap, d-ary heap, or k-ary heap structure instead. Here is my code: def build_heap(lista, num): ...
I am currently working on implementing the A*(A-star) algorithm in react.js, but I am facing a problem. Whenever the startNode (green) or destinationNode (blue) have more than one neighbour or if there is a cycle in the graph, my program crashes. There see ...
I've been facing some challenges with my attempt to make the merge sort algorithm function properly. Despite a seemingly successful merge function, the sorting part just doesn't seem to be working as expected. I've tried researching online for solutions ...
I am faced with the challenge of managing an array of objects representing different tasks, each categorized by primary and secondary categories. let tasks = [ { id: 1, name: 'Cleanup desk', primary_category: { id: 1, name: 'Indoo ...
I have been working on a project to determine the percentage of landmass that a country occupies compared to the total landmass of the world. My function takes in two arguments, one as a string and the other as a float, and returns a string with the calcul ...
I am currently attempting to explain the concept of Maps (also known as hash tables or dictionaries) to someone who is a beginner in programming. While most people are familiar with the concepts of Arrays (a list of things) and Sets (a bag of things), I ...
Looking to analyze a large dataset of observations tied to specific datetimes that can be represented either as dictionary objects or custom objects. Here's an example: Datetime | Data -------------------------------------------------------- 2018- ...
I am dealing with a large dataset containing over ten thousand objects that hold information about two different ids as shown below: dataSet = [ { ids: ["123", "234"], information: 1 }, { ids: ["123", "345"], in ...
Within this extensive pandas dataframe, there are several terms: type name exp ------------------- feline tiger True feline cat False rodent rabbit True canine dog False feline puma True feline bobcat False Are there ways to consolid ...