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How to detect mobile devices using Javascript

How to detect mobile users on your site using Javascript. Create responsive websites by detecting user's browser

Set PATH and other environment variables in Windows 11

How to set PATH and other environment variables from command line in Windows 11.

How to change the name of a Oracle Database

How to easily change the name(DBNAME) and unique id(DBID) of an Oracle database using DBNEWID utility.

Program to find the sum of diagonal elements of a 2D array

Java program to calculate the sum of diagonal elements of a 2-D array. Explains how to find the diagonal elements of an array.

Raspbian Jessie AutoLogin to Console

How to set Raspberry pi running Raspbian Jessie to autologin. The init system of sysvinit has been replaced by systemd

Node.js Express : Insert JSON from POST request into MongoDB

A simple web app created with Node.js and Express framework to retrieve JSON data from a POST request and insert it into a MongoDB collection.

How to call Azure Devops REST API from PowerShell

This tutorial shows you how to use PowerShell with REST API calls to create, fetch, edit and delete various resources in Azure Devops.

Binary search in C using recursion

A binary search is an algorithm to search the position of an element inside a sorted array. Here is a C program that performs binary search on an array using recursion.

Simple click Counter using AJAX, PHP and JavaScript

Create a simple click counter for your website using AJAX, PHP and JavaScript. It can be customized to store data in flat text file or MySQL database

How to update certbot to latest version on Ubuntu

Certbot is an open source tool to automatically renew Let's Encrypt certificates every 60 days. This article explains how to update certbot to latest version on Ubuntu.