The term “is not null” means that there is some value present, except for null. It can be anything, like an empty string, zero, or any other value but not null. The null values are useless in terms of any data they provide. Even if you try to perform any type of statistical operation, these […]
How to Query For Is Not Null in MongoDB in a Specific Field? Read More »
It’s easy to find documents in a collection in the MongoDB database using methods like find() and findOne(), but when there is a need to find and in the meantime update a document, we have a special method findOneAndUpdate(). This method updates the first document that meets the selection criteria. Let’s learn about it in
MongoDB db.collection.findOneAndUpdate(): A Step-by-Step Guide for Node.js Read More »
In MongoDB, we use arrays to store different types of values like strings, numbers, objects, and even arrays. Now if we want to add a new element to an array present inside the documents, we usually use the $push operator which has a problem. It just adds the value to the array without checking for
MongoDB $addToSet Operator: A Step-by-Step Guide for Node.js Read More »
Are you tired of writing HTML in JSX or TSX components while building a Next.js app? Well, we are too. So here is a solution: Markdown and MDX, which allows us to use some simple characters to generate valid HTML code. Let’s see what they are and how to use them in detail. Previously, we
Configuring Markdown and MDX in Next.js Read More »
If you have the option to create a Node.js project, which language would you choose: JavaScript or TypeScript? Some of you say JavaScript because it’s familiar, but is that a valid reason to pick a language? Not really. To make a good decision, it’s crucial to understand both languages, their features, and their specific use
TypeScript vs JavaScript: When to Use Which? Read More »
We all know JavaScript and how good it is for both client-side and server-side. But then why are we writing this tutorial on TypeScript? Why is TypeScript gaining popularity even when JavaScript is here and constantly updating? What is TypeScript, why do we need it, how does it differ from JavaScript, and how to get
What is TypeScript? An Overview Read More »
Node.js is well known for its use in web development, providing the runtime environment for JavaScript to create servers easily. If you are new to Node.js, I suggest you read What is Node.js? first. But the question is, what makes it so special? Why is it important to involve Node.js in web development? What is
What is Node.js Used For? 10 Key Use Cases and Benefits Read More »
In JavaScript, a multiline string allows us to write text in multiple lines and display it. This makes our code easy to read and avoids unnecessary repetition of display function code. It is quite useful when there is a need to handle vast sections of text or documentation and to reduce the need to break
Create Multiline Strings in JavaScript: An In-Depth Guide Read More »
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
What are LTS Versions of Node.js: A Detailed Guide Read More »