Tutorials

Windows CMD commands

There are more than 200 CMD commands available with Windows. The command prompt can be used to control large parts of the operating system, computer, or drives. You can also use the Windows “command prompt” commands to organise your files or run network tasks. To do this, though, you have to know the right commands. Here we explain how to use CMD commands and which functions they have. Our article...

Google Tag Manager

Tools for recording and analysing user behaviour are part of everyday life for website operators. Yet the more codes you need to embed and keep track of, the more difficult and time-intensive the task becomes. How can you keep track of everything? The Google Tag Manager offers the perfect answer. Here you will learn how the tool created by the search engine giant works and how you can make best...

SQL JOIN

A major strength of the relational database model is that information is stored in separate database tables structured according to semantic relationships. This concept, known as normalisation, is the basis for data storage that is as redundancy-free as possible, but requires a mechanism with which data from different tables can be merged for queries. The different JOIN types provide users with...

Creating a Wikipedia page

Have you ever toyed with the idea of creating your own Wikipedia entry? There are certain criteria Wikipedia requires in order to publish an article – and to ensure that content is fact-based, new entries are extensively checked by Wikipedia editors. Learn how to make your own Wikipedia page, and reduce the risk of your article being deleted.

SQL INNER JOIN

The INNER JOIN is the most important JOIN type in the relational database model. If you want to query database tables in a group, you would usually use INNER JOINs based on equality relationships between primary and foreign keys. We will show you how to use INNER JOINs in practice, delineate the JOIN type from OUTER JOINs, and also deal with the different subtypes of INNER JOINs.

ASCII-Codes | Overview of all characters on the ASCII table

Every day we work with text on PCs, smartphones, tablets and other computer equipment using our keyboards. We expect letters, numbers, and characters to appear on the monitor before us. The fact is that there is a decades-old coding system behind this everyday function. Since the 1960s, ASCII has determined how computers interpret our input. We have prepared a practical ASCII table to help you...

UML: Unified 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...

How to create a sitemap.xml file

The more extensive a web project becomes, the more important it is to have an appropriate and organised structure. This way, you not only make it easier for visitors, but also for search engines to find various topics and pages. For the best possible indexing, the use of XML sitemaps is also recommended: the practical lists, which can be integrated at any time, provide crawlers with a complete,...

How to embed a video with HTML

With HTML5, uploading video content onto your website is easier than ever. The most recent version of this popular mark-up language defines a new native element, video, and the associated programming interface. Website operators can also embed audio-visual content onto their online presences using video platforms such as YouTube or Vimeo.

Twitch Streaming: Tutorials for PC, PS4 and Xbox

Twitch has become of the most popular streaming platforms worldwide in recent years. Gamers in particular, will get their money’s worth with the wide range of video game broadcasts. But what exactly are the requirements and challenges that need to be met or mastered when publishing and maintaining a stream on Twitch? Our Twitch Stream tutorial provides guides for PC, Xbox, and PlayStation users.