javascript

Can PostgreSQL Allow Users to Create Databases? Yes, PostgreSQL allows users to create databases. By default, only the superuser, usually the postgres user, can create new databases. However, you can grant the privilege to a specific user or group of users. Granting Privileges to Create Databases To grant a user

Working Realm + React Navigator Example When it comes to building mobile apps that require local storage, Realm is a great database option for React Native developers. In addition, React Navigation is an excellent library to use for managing navigation in your React Native applications. In this post, I will provide

JQuery: Loop Through Each Child Element If you want to loop through each child element of a parent element using jQuery, you can use the .each() function. This function allows you to iterate over a jQuery object, executing a function for each matched element. Here's how you can

Random Order of Buttons on Refresh in Vanilla JS As a web developer, I have faced an issue where the order of buttons on a page is changing randomly on refresh. This occurs due to the asynchronous nature of JavaScript and can be resolved by using Vanilla JS. Method 1:

Get Element by ID in jQuery jQuery is a popular JavaScript library that simplifies HTML document traversing, event handling, and manipulation. It provides various methods to select, manipulate, and traverse HTML elements. The jQuery ID Selector The jQuery $("#id") selector is used to select elements with a specified

Removing Elements of One Array from Another in JavaScript Have you ever needed to remove all elements of one array from another array in JavaScript? This can be a common task when dealing with arrays that have overlapping values or when trying to filter out unwanted elements. Here are a

Changing Directory in Node.js Node.js provides an fs module that allows you to work with the file system in a non-blocking way. One of the functions provided by this module is fs.readdir(), which allows you to read the contents of a directory. Changing the Current Working Directory

How to Start PM2 Node Process with Flags If you are a developer who frequently works with Node.js and needs to manage multiple processes, PM2 is a great tool to help you monitor and control your applications. In this tutorial, I will show you how to start a PM2

Returning the Sum of an Array If you have an array of numbers and you want to find the sum of all the numbers in the array, there are a couple of ways to accomplish this. One way is to use a for loop to iterate through the array and

What is jQuery empty() method? jQuery empty() method is used to remove all the child elements and text content from the selected element(s). The method does not remove the selected element(s) itself, only its content. Syntax: $(selector).empty(); Example: Consider the following HTML code: <div id="