Introduction to Elasticsearch web applications in Python Web applications are a great way to bring your Elasticsearch cluster’s search functionality to the front end for a better user experience. This article will demonstrate how to utilize Elasticsearch’s efficient search and analytics engine in a simple web app that can execute complex queries of its document … Continued
Introduction Pagination is a process in which a document is divided into discrete pages. In simple words, if we have a document containing a large amount of data, and we wish not to print all of it in once, we divide this data into “pages”. These pages contain data according to the limit specified. In … Continued
Part 4: Connecting backend with the frontend Frontend and backend are ready. Let’s connect them. Installing and using Axios To connect both of them, we need the Axios library. Run the following command to install the Axios. 1npm install axios Then, import Axios in the details.js file. 1import axios from "axios"; Completing the frontend We … Continued
Part 3: Building the frontend The backend is ready, let’s build the frontend. Understanding the frontend So before we start writing code for the frontend part, we need to understand, what we are going to build. Our frontend part will contain a button. When clicked on this button, data the details collection will de display … Continued
Part 2: Building the backend So we have everything ready. Let’s create the backend. Initiating Open the terminal and create a new folder using the following command. 1mkdir backend Change the current directory to the newly created one. 1cd backend We need the package.json file in this folder. Use the following command. 123456789101112131415npm init -y … Continued
Introduction There are various technologies, frameworks, and libraries available that can be used to create a web application. React is a popular library used for building user-interfaces. React is often combined with MongoDB that serves as the database. Along with Express and Node.js, This is stack for building web applications is known as the MERN … Continued
Introduction The update() method in mongoose is used to update the values of a document in a MongoDB collection. This method only updates the very first matching document in the collection. In this article, we will discuss how to use the mongoose update() method. We will write our code in the following route handler. 1router.route("/update").put(function(req, … Continued
Introduction Using loops for iteration is one of the most common parts of programming and development. The for loop, while loop and do-while loop are the most commonly used loops in the programming and development world. We can also use them in mongoose too. In this article we’ll discuss how to use a Mongoose query … Continued
Introduction When working with databases, data retrieval is the most used operation of all the CRUD operations. When working with mongoose and MongoDB, documents of a collection can be retrieved using various methods. In this article, we will discuss such methods of retrieving documents from a collection in MongoDB. Let’s jump in and learn how … Continued
Introduction to the _mapping schema for Elasticsearch schema The _mapping of an index in Elasticsearch is the essentially the schema for the documents. It’s the layout of the index’s fields that sets up a blueprint for storing and organizing fields, and their respective data, when documents are indexed to the Elasticsearch index. Getting the mapping … Continued
