Who says that JavaScript does not support object-oriented programming concepts? Classes in JavaScript help us create organized and encapsulated code. They allow us to use objects based on templates. Let’s learn more about JavaScript classes and see how to create and use them. Introduction to JavaScript Classes ES6 introduced JavaScript classes, which makes it easy […]
Creating Classes in JavaScript: A Step-by-Step Guide Read More »
LTS in Node.js stands for Long-Term Support. Since Node.js is a high-demand language used by many developers, it requires frequent updates to meet user’s standards. To address this, new and stable versions are released. The LTS version is one such release, considered stable and supported for an extended period. Introduction to Node.js LTS Versions We
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The Nullish coalescing operator, also known as the Javascript double question mark operator (??), is a logical operator that takes two input statements and returns the right-hand side statement if the left-hand side statement is false. Typically, it establishes default values for variables. Let’s discuss it further. Nullish Coalescing Operator in JavaScript The Nullish coalescing
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If you want to check if a field exists in a collection or filter out documents based on a certain field for either including or excluding them, you can use the $exists operator. Let’s quickly learn about it. MongoDB $exists Operator The $exists operator allows us to check the existence of a field in MongoDB
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Unlike MySQL, where a query can perform various operations like creating tables, inserting records, deleting records, etc, in MongoDB we have separate functions for these such as createCollection(), insertOne(), insertMany(), deleteOne(), and deleteMany(). Queries in MongoDB do not handle such tasks. So what does it do? Queries in MongoDB are used to filter the result
Node.js MongoDB Query: With Sorting and Projection Read More »
When handling a large database, we generally use operators like $match and $filter to filter selections. However, MongoDB provides a more powerful operator called $elemMatch that can query arrays and embedded documents. Using $elemMatch, we can match specific conditions within an array or an embedded document, making our queries more precise and easily read. Let’s
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Every time you try to create a Flutter app, one thing you always encounter is the Scaffold class. Scaffold class is one of the most important topics in Flutter app development. So let’s deep dive into it. Introduction to Flutter Scaffold A Scaffold class is a foundational class in Flutter that provides us with several
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HTML (Hypertext Markup Language) is used to construct web pages and define their structure and components through various elements and tags. In Node.js, the npm node-html-parser module provides a powerful tool for HTML parsing. It simplifies interaction with HTML and lets us do tasks like data extraction, web scraping, content manipulation, etc. In this article,
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NPM (Node Package Manager) is the default package manager for Node.js. It has been the sidekick for Node.js for over a decade and comes pre-bundled with it. Click here to read a detailed guide on NPM. While NPM provides many useful commands, the most useful ones are npm install and npm update. In this article,
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Have you ever thought of creating a static website from your Next.js application? Yes, one of the coolest features of Next.js is the ability to export HTML/CSS/JS together and they work exactly the same as in the Next.js app and can be deployed to any static hosting service. Well, let’s see in detail how it
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