Class diagrams with UML

Creating class diagrams with UML

Class diagrams are structural diagrams in the UML modeling language. The UML class diagram is suitable for visualizing system elements and their dependencies for object-oriented programming languages. If you are a modeler creating a class diagram, it is advantageous to adhere to the official notation and semantics. This is the only way to avoid misunderstandings. We will explain notation for the...

SASS

SASS: next-level CSS?

If you design your own website, then you probably work with CSS. But have you ever thought about SASS? The practical preprocessor extends the popular stylesheet language with various helpful functions and makes it even easier for you to design. Variables, loops, case distinctions, and practical mixins make your life as a web designer easier. We explain to you what SASS can do better than CSS.

UML: activity diagram

Activity diagrams: clearly present chronological activity processes with UML

UML activity diagrams help you to graphically illustrate the chronological sequence of system processes in object-oriented programming. They show which actions take place in which order to execute an activity. With a finished diagram, you can create code frames using XML transfer. Or do you want to map business processes? We show examples of how to create an activity diagram, which symbols belong...

UML: Unified Modeling Language

UML - a graphical-type modeling language

If you need to run object-oriented programming, to represent a system clearly, and also make it accessible to external specialists, you may find the Universal Modeling Language to be ideal. UML is a modeling language, but has many other possible uses. Since the introduction of UML 2.0, UML diagrams are also suited to the graphical representation of non-computer-based concepts, such as use case...

What's a hackathon?

Hackathons: intense and innovative programming retreats

What is a hackathon, and what happens at one? Very little sleep, innovative ideas, and a lot of hard work! In addition to a definition of a hackathon, and an explanation of how it works, we also provide a few examples of hackathons in the US, as well as some of the amazing projects that came from them, such as mental health apps, and organ transplant aides.

Screenreader

Screen readers: enabling the blind to work on computers

For people who are blind or visually impaired, working on a computer is extremely difficult. However, technical developments in the past few years have meant that blind people can now use computers in their daily work without encountering major problems. So-called screen readers provide the written text as an (text to speech) or as braille. The purpose of this software is to enable blind users to...

Enable JavaScript

Enable JavaScript: How to turn on the script language in your browser

It’s hard to imagine the modern web without JavaScript. Next to HTML and CSS, the programming language plays a decisive role in the implementation of user-friendly and attractive web projects. A website without scripts written in JavaScript that provides the desired amount of interactivity is hardly possible. In this guide, we explain why many users decide to block the language in their browser...

Microservice Architecture

Microservice architectures: more than the sum of their parts?

Microservice architecture has established a relatively new way of structuring complex applications. Instead of dealing with huge source code, you build a program made of many self-contained services. This also leads to a restructuring of workflow in terms of agile project management. What are the pros of this method? This article will explore how microservices are designed, what advantages they...

Website accessibility

Web accessibility: reach more people online

Accessible websites remove obstacles: People with disabilities, the elderly, mobile users, or young visitors have different needs and demands when surfing the net. Many website operators have already implemented changes to make their sites more accessible to everyone. It’s not just the user that benefits from accessible web design, however: companies will find their websites rank better in the...

Arpanet | Definition & history of the internet predecessor

ARPANET: The internet in its infancy

Before the internet, there was Arpanet. In the beginning, the network was only four computers, yet, it was extremely important for the development of the digital world. During the Cold War, several American scientists and technicians created the cornerstones of a global network. Learn more about the interesting history of Arpanet and the network’s technical achievements.


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