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Articles by Satish Kumar
Page 77 of 94
Best HTML & CSS Code Editors for Linux
HTML and CSS are the building blocks of web development. They are the primary languages used for creating beautiful and responsive websites. Whether you're a seasoned developer or a beginner, having the right tools can make your coding experience smoother and more efficient. In this article, we'll explore the best HTML and CSS code editors for Linux. What is a Code Editor? A code editor is a software application that allows developers to write, edit, and manage code. It provides a user-friendly interface with features like syntax highlighting, code completion, and debugging tools. Code editors are available for ...
Read MoreLocate unused structures and structure-members
Structures in C are user-defined data types that group related variables together. As codebases grow, some structures and their members may become unused, leading to cluttered code and wasted memory. This article explores methods to identify and remove unused structures and structure members in C programs. Syntax struct structure_name { data_type member1; data_type member2; // ... more members }; Why Remove Unused Structures and Members? Unused structures and members can impact performance and readability of your code. Here are some reasons why ...
Read MoreCorrupt stack problem in C, C++ program
The corrupt stack problem is a critical runtime issue in C programming that occurs when the program's stack memory becomes compromised. This can lead to unpredictable program behavior, crashes, and security vulnerabilities. Understanding stack corruption is essential for writing robust C programs. What is a Stack in C? In C, the stack is a region of memory used for automatic storage of local variables, function parameters, and return addresses. It operates on a Last-In-First-Out (LIFO) principle, where the most recently allocated memory is freed first when functions return. What is Corrupt Stack Problem? Stack corruption occurs ...
Read MoreC program to implement CHECKSUM
In computing, a checksum is a small-sized data value computed from a larger data set using an algorithm, with the intention that any changes made to the larger data set will result in a different checksum. Checksums are commonly used to verify the integrity of data during transmission or storage. Syntax unsigned int checksum(char *data); // Returns computed checksum value for given data Why Use CHECKSUM? There are several reasons why checksums are used − Error detection − Detect errors that occur during data transmission or storage Data integrity − Ensure data ...
Read MoreInstall Lighttpd with PHP and MariaDB on RockyAlmaLinux
RockyAlmaLinux is a robust and secure Linux distribution that serves as a perfect replacement for CentOS. This article will guide you through installing a complete web server stack with Lighttpd, PHP, and MariaDB, providing detailed instructions with examples and expected output for each command. Prerequisites: Administrative access to your RockyAlmaLinux system and an active internet connection. Step 1: Update the System First, update the system's package repositories and upgrade installed packages to their latest versions − sudo dnf update $ sudo dnf update Last metadata expiration check: 0:20:47 ago on ...
Read MoreInstall LAMP - Apache, PHP, MariaDB and PhpMyAdmin in OpenSUSE
The LAMP stack, which stands for Linux, Apache, MySQL/MariaDB, and PHP, is a powerful combination of open−source software widely used for web development and hosting. In this tutorial, we will guide you through the process of installing and configuring the LAMP stack on openSUSE, a popular Linux distribution. Step 1: Update System Packages Before we begin, it is essential to update the system packages to ensure that we have the latest software versions and security patches ? sudo zypper refresh sudo zypper update Step 2: Install Apache Apache is a widely used web ...
Read MoreHow to Disable root Login Access to PhpMyAdmin?
PhpMyAdmin is a popular web−based tool for managing MySQL databases through a browser interface. By default, it allows root user login, which grants complete administrative control over the entire database system. While convenient for initial setup, root access poses significant security risks if compromised. Why Disable Root Login Access? The MySQL root user has unrestricted privileges to create, modify, or delete any database, user, or configuration. If an attacker gains root credentials, they can cause irreversible damage or steal sensitive data. Additionally, root accounts are often shared among multiple users, increasing the risk of unauthorized access. Method ...
Read MoreHow to Increase File Upload Size in PHP
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 ...
Read MorePDF generation from XHTML in a LAMP environment
The LAMP environment is widely used for web development, and it is an acronym for Linux, Apache, MySQL, and PHP. This environment is an open-source platform that is easy to use and deploy. PDF format is commonly used for sharing and exchanging documents over internet. However, generating PDF documents can be a challenging task in a LAMP environment, especially when converting XHTML documents. In this article, we will explore different methods used for PDF generation from XHTML in a LAMP environment. What is XHTML? XHTML stands for Extensible Hypertext Markup Language, which is a markup language that is ...
Read MorePHP and Xvfb usage
Xvfb (X Virtual Frame Buffer) creates a virtual display in memory without requiring physical display hardware. This allows running graphical applications in a headless environment. When combined with PHP, Xvfb enables server−side execution of GUI applications through PHP scripts. Why Use Xvfb with PHP? PHP typically handles server−side logic without direct graphics support. However, certain scenarios require running graphical applications on servers − Automated testing of GUI applications Browser automation for web scraping Image/video processing with graphical tools Running desktop applications headlessly Installation Ubuntu/Debian: sudo apt-get update sudo apt-get install xvfb ...
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