The OSI model: a reference for standards and protocols
What’s the OSI model?
  • Know-how

Those working with network technology are bound to encounter the ISO-OSI model sooner or later. This system subdivides communication between computer systems into seven different layers. Each of these layers is assigned a certain task. With the help of this layer model, subareas of abstract processes are able to be descriptively explained.

What’s the OSI model?
Outlook emojis
Outlook emoticons: Fill your emails with emotions and more
  • Technical matters

A picture says more than a thousand words – this proverb also explains the immense popularity of emojis. Smileys, in particular, have long shaped digital communication. They play an important role not only in text messengers, but also in email services like Outlook. But the question arises as to how to insert smileys in Outlook. We show you how to do it step by step.

Outlook emoticons: Fill your emails with emotions and more
CRM and its importance in e-commerce
What is the customer lifecycle in marketing?
  • Online sales

The customer lifecycle plays an important role for companies when it come to their marketing plans. The detailed insights into the business relationships with customers are often invaluable, especially for customer relationship management (CRM). What exactly is the customer lifecycle? And what do the typical customer lifecycle stages look like?

What is the customer lifecycle in marketing?
What is XML?
What is XML? An overview of extensible markup language
  • Web development

Anyone involved in web development will have come across XML at some point as it’s the foundation for other languages. The acronym stands for “Extensible Markup Language” and describes one of the most common markup languages of all. Find out more about XML and the most important XML basics, its functions and structure in our dedicated article.

What is XML? An overview of extensible markup language
GitOps
What is GitOps? Git automated infrastructures explained
  • Web development

GitOps manages infrastructures and applications by automating processes with Git as a “single source of truth”. But what is GitOps all about? In our article, we explain what GitOps is, how it works, and what the advantages and disadvantages of the software development approach are. Read on for everything you need to know.

What is GitOps? Git automated infrastructures explained
Flask Python
What is Flask Python? A short Flask framework tutorial
  • Web development

Flask is one of the most popular web frameworks for Python. A minimalist counterpart to the more complex Django, the Flask framework has gained a huge fan base. Read on to learn what Flask is and what its advantages and disadvantages are. We’ll also show you how to set up the framework and create a web application in our Python Flask tutorial.

What is Flask Python? A short Flask framework tutorial
Flask vs. Django
Flask vs. Django — a comparison of the Python frameworks
  • Web development

The Flask vs. Django debate plays out across many different categories. Which one you end up choosing, however, depends primarily on the nature of your project and your needs. Read our dedicated article to find out more about Django and Flask, their special features and which purposes the two frameworks are suitable for.

Flask vs. Django — a comparison of the Python frameworks
Kubernetes Load Balancer
How to create and apply a Kubernetes load balancer
  • Know-how

The popular container management system Kubernetes supports various load balancing approaches that ensure that the workload is distributed to different pods in the best possible way. This not only improves performance, but also resilience and scalability. Learn how to create Kubernetes load balancers in this useful article.

How to create and apply a Kubernetes load balancer
Raspberry Pi Pico projects
The 12 best Raspberry Pi Pico projects
  • Know-how

Raspberry Pi Pico expands the Raspberry Pi family with a microcontroller that is inexpensive but still powerful. Not least because of its small size, it’s ideal for creative projects and can be used to implement useful tech gadgets or games. Here are 12 Raspberry Pi Pico projects to try out.

The 12 best Raspberry Pi Pico projects
XMPP
What is XMPP? Functions and benefits at a glance
  • Know-how

Those who do not trust messenger services like WhatsApp when it comes to data protection can turn to the open standard XMPP (formerly: Jabber). As an XML-based messaging and presence protocol, XMPP uses a server-client model and enables the exchange of messages and status displays, including audio/video chats and end-to-end encryption. Here, we explain what XMPP and Jabber are all about.

What is XMPP? Functions and benefits at a glance