In this blog post, I guide you through the process of converting an Excel sheet to a JSON file using Node.js. This is particularly useful for tasks such as data migration, data processing, or simply making data more accessible. You’ll learn how to set up your Node.js project, install the necessary packages, and write a script to read an Excel file, convert its contents to JSON, and save the JSON data to a file. By the end of this tutorial, you’ll have a functional script that can be easily adapted to handle different Excel files and sheets as needed.
What is Kali Auto-Pilot
Introduction In the ever-evolving landscape of cybersecurity, professionals and enthusiasts require tools that can keep up with the rapidly changing threat landscape. Kali Linux, a well-known penetration testing and ethical hacking distribution, has always been at the forefront of these efforts. And now, with the introduction of Kali Linux Auto-Pilot, the game has been taken […]
Apache Kafka Tutotial with Example
Apache Kafka Sample Application using Nestjs – NodeJs In our previsour Article we had learnt about the basics of Kafka and How to Install and Kafka Using Docker. In this article we will be building a simple nodejs application which will be utilizing the above Kafka service by producing and subscribing to messages. Create a […]
Setting up Apache Kafka with Docker
This article covers on Apache Kafka documentation and Apache Kafka download and installation using Docker Image
How to Get Started with Machine Learning
Machine learning is a rapidly growing field that has the potential to revolutionize industries and change the way we live our lives. If you’re interested in getting started with machine learning, but don’t know where to begin, this article will provide you with a step-by-step guide to help you on your journey. Step 1: Learn […]
How to Copy a Directory from One Server to Another in Ubuntu/Linux
You can use the below scp command to copy an entire directory or a specific file from one linux based server to another: scp -i {keyfile} -r {origin} {destination} Example:1 scp -i yourpem.pem -r username@ip_address_of_remote_server:/remote_directory_path destination_direction_path Example:2 scp -i yourpem.pem -r root@111.111.111.111:/home/abc /home/efg
How to convert a String List to Comma Seprated String
Stream Collectors.joining import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; //———————— public class YourClass { public static void main(String[] args) { List list = Arrays.asList(“a”, “b”, “c”); String result = list.stream().collect(Collectors.joining(“,”)); System.out.println(result); } } Output: a,b,c String.join import java.util.Arrays; import java.util.List; public class MyClass { public static void main(String[] args) { List list = Arrays.asList(“a”,”b”,”c”); String result […]
Update Node.js to Latest Version on Linux | Ubuntu
Update Node.js with NVM (Node Version Manager) There are many ways that can be used to update the node version on a linux system. Bu the best and the recomended would be using the Node Version Manager. 1. Update the package repository sudo apt update 2. Install NVM using either curl or wget command . […]
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Setting SSL HTTPS on Nodejs
There are many ways that we can use to setup SSL/TLS to our Nodejs app. In this post we will forcus on tow of the main methods. Setting SSL using Private key and Full Chain pem Certificate files Mostly if you are using Linux based OS on your server , you will be mostly familier […]