The characters used in an arrangement of numeric notation based on the pre-Roman Roman system are known as Roman numerals. All major symbols are covered in the section below. In this problem, we are given a string of Roman numerals and our task is to convert Roman numerals to decimals in the range of 1 to 3999 Here are some examples and explanations to help you better understand the problem. Input str = "DCCCLXXIV" Output str = 874 Explanation DCCC is the Roman representation of 800 as D represents 500 and C represents 100 LXX is the Roman representation of ... Read More

Introduction PhpMyAdmin is a popular open-source tool used to manage MySQL databases. It provides a web interface that allows users to interact with the database through their web browser. One of the default login options for PhpMyAdmin is root login access, which grants a user full administrative privileges over the entire database system. While root login access may be convenient for initial setup and configuration, it poses significant security risks. If an attacker gains access to your root credentials, they can cause irreparable damage to your database or steal sensitive information. Explanation of Root Login Access The root user account ... Read More

A rectangular array called a matrix is made up of rows and columns. And circular rotations entail rotating the array's elements so that after one rotation, the last member is in the first position and the other elements are shifted to the right. We are given an N*N matrix in this problem, and our objective is to determine whether all of the rows are circular rotations of one another. If they are, print "YES, " otherwise print "NO." In order to better understand the issue, let's look at some cases with explanations below. Input 1 mat = [ [ 7, ... Read More

In modern web applications, it is common to store images in databases for various reasons, such as security, easy management, and scalability. PHP, being a popular server-side scripting language, provides an easy way to upload images to databases and display them on the web pages. In this article, we will learn How to Upload Image into Database and Display it using PHP. PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open-source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. In the below article, we have demonstrated the examples with the ... Read More

A web-based tool called an online group chat application enables users to text, phone, or video chat with one another in real-time. Many people are using these programs because they are simple and convenient. A popular server-side programming language, PHP, can create web-based applications like group chat programs. PHP offers comprehensive functionality for managing user input, communicating with databases, and integrating web-based services. Creating an online group chat application using PHP can be a terrific project idea for ambitious web developers or companies wishing to provide an online communication platform for their staff or clients. Various capabilities, including group ... Read More

In today's digital world, file uploads are a common occurrence, be it uploading pictures to social media platforms or sharing documents through email. However, PHP's default file upload size limit can cause inconvenience to users, restricting them from uploading files of larger sizes. In this article, we will explore ways to increase the file upload size in PHP. Understanding PHP File Upload Size Limit PHP is a server-side scripting language that is widely used for developing dynamic web pages. When a user uploads a file to a PHP-based website, the file size limit is imposed by the PHP configuration settings ... Read More

PhpMyAdmin is a popular web-based application used to manage MySQL databases. It is widely used by web developers, system administrators, and other IT professionals. However, with its widespread popularity, PhpMyAdmin has become a popular target for cybercriminals who attempt to exploit vulnerabilities in the login interface to gain access to sensitive data. Therefore, it is essential to add an extra layer of security to the PhpMyAdmin login interface to prevent unauthorized access. In this article, we will discuss how to add an extra layer of security to the PhpMyAdmin login interface with several sub-headings and examples. Why Do You Need ... Read More

A contact form is a great way to allow users to reach out to you directly through your website. Contact forms are a crucial aspect of any website, as they allow visitors to get in touch with the website owner. A contact form on website provides an easy way for visitors to ask questions, make inquiries, or provide feedback. In this tutorial, we will be discussing how to create a simple contact form using HTML, CSS, and PHP. Step 1: Create the HTML Form The first step in creating a contact form is to create its structure using HTML. In ... Read More

Both Golang and PHP are popular programming languages used for web development. Although both languages are suitable for building web applications, they have significant differences in terms of their syntax, performance, and popularity. In this article, we will discuss the key differences between Golang and PHP in detail and compare them in a tabular form. Golang vs PHP Here are the main differences between Golang and PHP − Category Golang PHP Syntax Golang has a strict syntax with mandatory semicolons and braces PHP has a flexible syntax with optional semicolons and braces Performance Golang ... Read More

Inversion count is a step counting method by which we can calculate the number of sorting steps taken by a particular array. It is also capable to count the operation time span for an array. But, if we want to sort an array in a reverse manner, the count will be maximum number present in that array. Array: { 5, 4, 3, 2, 1} // for the reverse manner Pairs: {5, 4}, {5, 3} , {3, 2}, {3, 1}, {2, 1}, {4, 3}, {4, 2}, {4, 1}, }, {5, 2}, {5, 1} Output: 10 Array: {1, 2, 3, 4, ... Read More