1 day agoMember-onlyNodejs: Working with DatesIn Node.js, the built-in Date object is used to work with dates and times. It provides methods for working with dates and times, including creating new instances of dates, getting and setting date and time values, and performing arithmetic operations on dates. To use the Date object in your Node.js…Nodejs3 min readNodejs3 min read
3 days agoMember-onlyNodejs: Schema validation with joiSchema validation is an important step in building robust and secure Node.js applications. It involves validating the data that is passed to your application against a predefined schema, which helps to ensure that the data is of the correct type, format, and structure. Here’s an example of how to use…Nodejs3 min readNodejs3 min read
Mar 20Member-onlyNodejs: Node Version Manager (NVM)Why use NVM? There are several reasons why a developer might choose to use Node Version Manager (NVM) to manage their Node.js installations: Multiple projects with different Node.js version requirements: Different projects may require different versions of Node.js. NVM allows developers to easily switch between these versions without having to uninstall/reinstall Node.js …Node3 min readNode3 min read
Mar 20Member-onlyNodeJs: Hashmap OperationsHash maps are useful in Node.js when you need to store and retrieve key-value pairs quickly and efficiently. The primary advantage of using a hash map over other data structures like arrays or linked lists is that hash maps offer constant time complexity (O(1)) for adding, retrieving, and deleting elements…Node3 min readNode3 min read
Mar 20Member-onlyNodejs: Array operationsIn Node.js, you can perform various operations on arrays, such as adding or removing elements, iterating over the array, and transforming the elements. Here are some examples of common array operations: Creating an array: You can create an array in Node.js using the array literal syntax, like this: const myArray…Nodejs3 min readNodejs3 min read
Mar 20Member-onlyNodejs: If else Vs SwitchBoth if-else statements and switch statements are used for conditional branching in Node.js. In Node.js, you can use the if statement to perform conditional branching in your code. …Nodejs3 min readNodejs3 min read
Mar 20Member-onlyNodejs: What template string?Template strings in Node.js offer several advantages over Concatenating strings. Firstly, they are more concise and readable. With template strings, you can include variables and expressions directly inside the string, making the code more compact and easier to understand. Secondly, template strings are more efficient because they are only evaluated…Nodejs2 min readNodejs2 min read
Mar 19Member-onlyNodejs: What is the child_process module?In Node.js, the child_process module provides a way to spawn child processes and communicate with them using standard input, output, and error streams. This module allows you to run external commands and scripts from within a Node.js application, and it can be used to offload work to child processes, which…Nodejs2 min readNodejs2 min read
Mar 19Member-onlyNodejs: What are Destructured imports?When importing modules in Node.js, you have two options: import the entire module destructured imports Importing the entire module can be useful if you need to use multiple parts of the module or if you are not sure which parts of the module you will need. For example: const fs…Node2 min readNode2 min read
Mar 13Member-onlyNodejs: Callbacks vs PromisesNode.js callbacks and Promises are both used to handle asynchronous operations, but they differ in their approach and syntax Callbacks Function callbacks are functions that are passed as arguments to other functions and are used to handle asynchronous operations. …Node3 min readNode3 min read
