Tutorials

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 visualising system elements and their dependencies for object-orientated 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...

Create your own visitor counter: How it works

Visitor counter: Create a counter for your website

At the start of the internet, a visitor counter on a website was a classic marketing instrument that significantly helped the success of a web presence. Today, the practical scripts are primarily used for presenting click numbers on specific content, such as videos or blog entries, as well as for collecting basic user data for web analysis. If you don’t want to rely on free or paid downloads, or...

Outlook read receipts

Outlook read receipts: How do you set one up?

Sending an e-mail is child’s play. As soon as the text has been written and the subject and destination address have been entered, just click on “send” and the electronic message is on its way. However, if the answer is delayed, doubts quickly arise as to whether the mail has arrived and been read. A remedy is to request a read receipt, which you can set up in Outlook in just a few steps.

Google Tag Manager

Google Tag Manager: the hub for your tracking and testing snippets

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...

Deleting your PayPal

Deleting my PayPal account – what do I need to know?

You do not have to provide any reasons to delete your PayPal account: If you find that you do not need or want to use your account anymore, then that’s enough to delete it. To do this, you don't even need to contact the service team directly, because in your profile settings you’ll find the option to delete your PayPal account quickly and easily.

Regedit

Regedit: The built-in editor for the Windows registry

The Windows registry is the central storage location for system data and settings in Microsoft systems. Third-party programs can also store information and settings in this database, which can be further processed without conversion due to the binary format. Users who would like to view the registration database or change entries now have the perfect solution with the Regedit editor.

Mobile app design | Designing an Android or iOs app

Mobile app design: create your own app – part 3

Designing an application isn’t just a question of shapes and colours – mobile app design covers the positioning of app content and app usability, too – and these factors are vital in helping create a successful app. The more time and effort you invest at this stage, the higher the chance of creating an app that people will want to use and keep on their device.

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...

Creating a Wikipedia page

Create your own 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.

Introduction to Node.js

Node.js: the JavaScript runtime environment at a glance

With the software platform, Node.js, you can use JavaScript server-side and benefit from the asynchronous, event-based programming and the range of options for developing server applications. In this Node.js tutorial, we give you an overview of the program’s modular structure, explain how you can install program modules at any time using the integrated package manager, NPM, and use them to set up...


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