App and usability testing
Create your own app – Part 4: App and Usability Testing
  • Web development

Only a properly functioning application has any chance of success. Programming errors and a poor user experience may cause some users to uninstall the app without a second thought. As a result, extensive app testing prior to publication is vital. Functionality, performance, usability, and other tests serve as quality assurance tools. In addition to manual tests, there are also some automated tests...

Create your own app – Part 4: App and Usability Testing
Arduino vs. Raspberry Pi: Affordable DIY hardware
Arduino vs. Raspberry Pi: a comparison of the microcontroller and single-board computer
  • Know-how

DIY projects such as timers, remote controls, robots, and drones are becoming ever more popular. Knowledge of such things as electronics and programming, though, is fading into the background – thanks to ready-to-use, affordable components such as Arduino boards and minicomputers like Raspberry Pi. They allow for novices and amateur hobby craftsmen to obtain their own results quickly without...

Arduino vs. Raspberry Pi: a comparison of the microcontroller and single-board computer
Kubernetes vs. Docker
Kubernetes & Docker: Friend or foe?
  • Know-how

If you’re happy with Docker and are already using the container visualizer, you might have thought about trying Kubernetes. But are these two systems actually rivals? Is it a case of Kubernetes vs. Docker? On the contrary, both work really well together. But the container pioneer now also offers its own tool for orchestration with Docker Swarm. So, which is better?

Kubernetes & Docker: Friend or foe?
Outlook: attachment size limit
Outlook: maximum attachment size limit explained
  • Technical matters

By default, the maximum file size in Outlook is 20 MB. However, if you use a mail server with an allowed file size of 25 MB and send emails via Outlook, you may need to extend the maximum size limit of an email in Outlook. We explain what to look for in Outlook’s limits on attachment size and how to configure the maximum size.

Outlook: maximum attachment size limit explained
Docker images
Docker images
  • Know-how

When learning about Docker platforms, you often come across these terms again and again: Docker container, Docker image, and Dockerfile. It isn’t easy to keep track of these things as the differences between the concepts are very subtle. In our series of guides, we explain how the individual components of the Docker ecosystem relate to one another. In this guide, you will find out what exactly a...

Docker images
Dockerfile
Dockerfile: what is behind the format
  • Know-how

Docker has established itself as the standard for container virtualization. But the multitude of Docker-specific concepts can easily confuse anyone. Docker containers, Docker images and Dockerfiles – how are they related and how are they different? We will go into detail about Dockerfiles and present the most important instructions and their specifics.

Dockerfile: what is behind the format
ISO mount
ISO mount in Windows 11, 10, and 8: quick and simple
  • Configuration

As of Windows 8, Microsoft’s operating system provides integrated on-board tools that let you mount image files without much effort and without needing third-party software. Windows simply creates a virtual CD drive for this purpose, which you use to perform the ISO mount. We explain how an ISO mount works in Windows 11, 10, and 8.

ISO mount in Windows 11, 10, and 8: quick and simple
WordPress REST API
The WordPress REST API – the core of the CMS
  • Blogs

The WordPress REST API has been a component of WordPress programming since version 4.7. This interface can be used to develop plug-ins and fill other apps with content from WordPress websites. An extensive command reference is available that enables program routines to be handled relatively easily.

The WordPress REST API – the core of the CMS
Bootstrap with WordPress
How to use Bootstrap with WordPress
  • Blogs

Bootstrap is an excellent framework that can help develop a custom theme for your website to make it mobile responsive. Integrating a Bootstrap template into WordPress is a great way to optimize your WordPress site, and Bootstrap with WordPress makes for an impressive duo. Our article explains how to use them together.

How to use Bootstrap with WordPress
Domain registrar
What is a domain registrar?
  • Domain administration

An appealing website needs a distinctive domain name. If you want to register your domain, you can do so with the help of a domain registrar. Domain name registrars are registered with the registry for top-level domains ICANN or IANA and are in charge of domain leasing. They mediate between users and domain registries. Here you can find out everything you need to know about domain registrars.

What is a domain registrar?