Tutorials

Image: How to add or remove columns in PostgreSQL with ALTER TABLEUndreyShutterstock

How to add or remove columns in PostgreSQL with ALTER TABLE

If you want to add, remove or modify columns in a table, the ALTER TABLE command in PostgreSQL is the go-to solution. In this article, we look at the syntax and functionality of the command, walk you through detailed examples, and explore various actions you can perform to…

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Image: How to deploy WordPress in Docker containersESB Professionalshutterstock

How to deploy WordPress in Docker containers

The popular CMS WordPress can be installed in just a few steps using the container software Docker and the terminal. For more complex WordPress setups, using the container management platform Kubernetes is also a great option. We show you how to set up WordPress with Docker, how…

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Image: What is SQL AND?REDPIXEL.PLshutterstock

What is SQL AND?

With the SQL AND operator, you can implement various conditions in a WHERE query, allowing you to include or exclude different entries. In this article, we’ll explain what the operator is and the syntax for it. Using practical examples, we’ll go over how to use the operator as…

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Image: How can I properly use website accessibility checkers?ESB ProfessionalShutterstock

How can I properly use website accessibility checkers?

Digital accessibility is not just a nice-to-have - it’s a legal requirement, a competitive advantage, and a mark of quality. Making your website accessible means enabling everyone to use it, regardless of their ability. Learn how to test website accessibility using checkers,…

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Image: How to use multipass? A tutorialElnurshutterstock

How to use multipass? A tutorial

Multipass offers a straightforward and efficient way to create and manage Ubuntu VMs across various operating systems. With its user-friendly command-line interface (CLI) and minimal system requirements, it’s an excellent choice for developers and IT professionals looking to work…

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Image: How to install Podman on Ubuntu 22.04 step by stepREDPIXEL.PLShutterstock

How to install Podman on Ubuntu 22.04 step by step

Podman is a modern container engine that manages containers and pods without requiring root privileges or a central daemon process, making it a secure alternative to Docker. In this article, we will show you how to install Podman on Ubuntu 22.04 step by step. You will also learn…

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Image: How to use your domain for Discord invite linksRoman Zaietsshutterstock

How to use your domain for Discord invite links

If you want to make your Discord server even easier to access, it might be worth connecting it with a custom domain name. You simply need to forward it to the Discord Invite Link. Learn what to consider when linking your domain with Discord and how to create a proper Discord link…

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Image: How to host your own Minecraft Server

How to host your own Minecraft Server

Many Minecraft gamers would like to host their own Minecraft servers. Hosting your own Minecraft world is the only way users are able to adjust the general settings of the online multiplayer mode. Setting up a personal Minecraft server isn’t as daunting as it sounds, however.…

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Image: How to create tables with PostgreSQL’s CREATE TABLEGorodenkoffshutterstock

How to create tables with PostgreSQL’s CREATE TABLE

Want to create new tables in a PostgreSQL database? The database management system makes it easy with the CREATE TABLE command. In this article, we’ll take a look at the syntax of the command and the different parameters you can use with it. With easy-to-follow code examples,…

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Image: What commands and cheats can make gameplay easier in 7 Days to Die?

What commands and cheats can make gameplay easier in 7 Days to Die?

Explore the most powerful 7 Days to Die cheats to enhance your gaming experience or efficiently manage your server. In this guide, we’ll introduce a range of valuable 7 Days to Die console commands that let you take control of the gameplay and gain key advantages—whether you’re…

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