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Install and Uninstall PostgreSQL in Debian

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In this tutorial you will learn how to install and uninstall PostgreSQL database server on Debian and other Linux machines. In this tutorial, you will learn how to install, test, use, and completely uninstall the PostgreSQL database server on Debian-based Linux systems. The steps covered here apply to Debian, Ubuntu, and other compatible distributions, and are suitable for both development and production environments. Updating the System Package Index Before installing PostgreSQL, it is important to ensure that your system is aware of the latest available packages. Updating the package index helps prevent dependency issues and guarantees that you install the most recent stable version provided by your distribution. sudo apt update Installing PostgreSQL on Linux PostgreSQL and its commonly used extensions can be installed directly from the official Debian repositories. The postgresql package installs the database server, while postgresql-con...

Install and Uninstall PostgreSQL in Debian

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In this tutorial you will learn how to install and uninstall PostgreSQL database server on Debian and other Linux machines. In this tutorial, you will learn how to install, test, use, and completely uninstall the PostgreSQL database server on Debian-based Linux systems. The steps covered here apply to Debian, Ubuntu, and other compatible distributions, and are suitable for both development and production environments. Updating the System Package Index Before installing PostgreSQL, it is important to ensure that your system is aware of the latest available packages. Updating the package index helps prevent dependency issues and guarantees that you install the most recent stable version provided by your distribution. sudo apt update Installing PostgreSQL on Linux PostgreSQL and its commonly used extensions can be installed directly from the official Debian repositories. The postgresql package installs the database server, while postgresql-con...

Slideshow Project Using SCSS and JavaScript

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Create an interactive slideshow using SCSS for styling and JavaScript for functionality. Learn to build responsive image carousels with smooth transitions. Building a slideshow with SCSS and JavaScript combines the power of CSS preprocessors with interactive functionality. This tutorial shows you how to create a responsive, animated slideshow with clean SCSS architecture and minimal JavaScript for smooth image transitions. We'll create a simple but elegant slideshow with automatic rotation and manual controls. The SCSS handles all styling and animations, while JavaScript provides the interactive functionality. // Slideshow container styles .slideshow position: relative; max-width: 800px; margin: 0 auto; overflow: hidden; border-radius: 8px; .slides display: flex; transition: transform 0.5s ease-in-out; .slide min-width: 100%; height: 400px; background-size: cover; background-position: center; Navigation Co...

Slideshow Project Using SCSS and JavaScript

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Create an interactive slideshow using SCSS for styling and JavaScript for functionality. Learn to build responsive image carousels with smooth transitions. Building a slideshow with SCSS and JavaScript combines the power of CSS preprocessors with interactive functionality. This tutorial shows you how to create a responsive, animated slideshow with clean SCSS architecture and minimal JavaScript for smooth image transitions. We'll create a simple but elegant slideshow with automatic rotation and manual controls. The SCSS handles all styling and animations, while JavaScript provides the interactive functionality. // Slideshow container styles .slideshow position: relative; max-width: 800px; margin: 0 auto; overflow: hidden; border-radius: 8px; .slides display: flex; transition: transform 0.5s ease-in-out; .slide min-width: 100%; height: 400px; background-size: cover; background-position: center; Navigation Co...

Animate Color Changes with Variables

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Animating Color Changes with CSS Custom Properties (Variables) Modern web interfaces demand dynamism and interactivity. Smooth color transitions on buttons, backgrounds, or text can significantly enhance user experience, providing visual feedback and a sense of polish. While CSS has long supported the transition property for animating changes, combining it with CSS Custom Properties (commonly called CSS Variables) unlocks a new level of power and maintainability. This tutorial will guide you through using CSS Variables to create centralized, easily adjustable color schemes and animate between them seamlessly. We will build a simple card component where multiple properties (background, text color, border) change simultaneously with a single hover trigger, all powered by CSS Variables and smooth transitions. Why Animate Colors with CSS Variables? CSS Variables, defined with -- syntax, offer significant advantages for animation and design systems: Centralized Control: D...

Animate Color Changes with Variables

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Animating Color Changes with CSS Custom Properties (Variables) Modern web interfaces demand dynamism and interactivity. Smooth color transitions on buttons, backgrounds, or text can significantly enhance user experience, providing visual feedback and a sense of polish. While CSS has long supported the transition property for animating changes, combining it with CSS Custom Properties (commonly called CSS Variables) unlocks a new level of power and maintainability. This tutorial will guide you through using CSS Variables to create centralized, easily adjustable color schemes and animate between them seamlessly. We will build a simple card component where multiple properties (background, text color, border) change simultaneously with a single hover trigger, all powered by CSS Variables and smooth transitions. Why Animate Colors with CSS Variables? CSS Variables, defined with -- syntax, offer significant advantages for animation and design systems: Centralized Control: D...

Dynamic Function Dispatch with Dictionaries

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Learn how to replace long if-else chains in Python with clean and efficient dynamic function dispatch using dictionaries. Debian 12 GNOME. Dynamic Function Dispatch in Python with Dictionaries In this tutorial, we will explore how to replace repetitive if-elif-else chains with a more scalable and elegant approach: dynamic function dispatch using dictionaries. This technique allows us to map string or key inputs directly to functions, simplifying the control flow of our programs and improving readability. What is Dynamic Dispatch? Dynamic dispatch refers to deciding which function to call at runtime rather than hardcoding every condition. In Python, this can be achieved easily using dictionaries where keys represent actions and values point to callable objects like functions or lambdas. Why Use Dictionaries for Dispatch? Dictionaries provide constant-time lookup and make it easier to extend your program. Instead of modifying a lon...