PHP 7.2

PHP 7.2 – end-of-life (EOL) on November 30, 2020


PHP 7.2 will not be supported much longer. Now is the time to take advantage of the time left before the end-of-life date and replace outdated versions with more recent PHP code. This will make sure security gaps are closed, bugs are fixed, and the performance of web offers won’t...


Zoom fatigue

Zoom fatigue: how to avoid getting tired during video conferences


The number of people working from home has increased rapidly since the start of the coronavirus pandemic and so has, of course, the number of online meetings. Video conferencing is an indispensable tool in working remotely, but also comes with drawbacks. Video calls quickly...


What is the EU-US Privacy-Shield?

Privacy Shield – controversial data transfer agreement between the EU and the US


For some years, the Privacy Shield has regulated the transfer of personal data from the EU to the US. But in July 2020, the Court of Justice for the European Union (CJEU) invalidated the Privacy Shield. For many companies, the end of the privacy agreement came as a complete...


What is Instagram Reels?

Instagram Reels: video clips a la TikTok


Instagram Reels is Instagram’s new video feature. Much like Chinese app TikTok, Reels lets users create and share short video clips with added background music. But what exactly is Instagram Reels and what are the differences to TikTok? We’ll show you what the new feature can do....



PHP 8: What you need to know about the latest update


PHP is one of the most important languages on the Internet. Many content management systems like WordPress, TYPO3 or Joomla are based on PHP. The release of PHP 8 is imminent, but we’ve already had some information about its new features. Also some old features will be reworked,...


Zoom alternatives

Zoom alternatives: a comparison of the main competitors


Alternatives to the popular video conferencing software Zoom are having their moment in the spotlight as a growing number of people are organizing video calls daily. Free alternatives to Zoom include a wide range of features, especially since the market for video conferencing...


The best TeamViewer alternatives

Alternatives to TeamViewer


You don’t always have to use the market leader – this also applies to remote access. TeamViewer is still the most widely-used solution for remote management and online meetings, but there are numerous alternatives on the market which can be considered. We present some serious...


MLM: what is multi-level marketing?

In multi-level marketing (MLM) or network marketing, consumer goods such as cosmetics and nutritional supplements are sold directly to end-user consumers by freelance sales representatives. MLM organizations use clever commission systems to recruit customers into the sales workforce, creating an ever-growing marketing network.

What is mixed reality?

Mixed reality describes the mixing of the “real” and “virtual” worlds using electronic devices. Often used as a synonym for augmented reality, mixed reality clearly has a much broader scope. This article will discuss some successful examples of its use, what the theoretical concept behind mixed reality looks like, and what Microsoft’s role in all of this is.

.jar file ending: how to open and use a .jar file

File formats like .jpg, .mp3 or .gif are well-known and can usually be opened on most devices without any problems. But the .jar ending is less common. These files require special programs to run them. We explain what this file format is and how you can open and run .jar files.

Refactoring: how to improve source code

Refactoring is a process in software development where manual or automatic adjustments are made to improve inelegant parts of the source code. The aim of refactoring is to produce a source code that is functionally unaltered, yet structurally easily legible and useable. But what advantages and disadvantages does refactoring involve?

Fuzzing: what’s behind the automated testing technique

No software is bug-free. Fuzzing is a targeted approach for finding vulnerabilities in a software program. Using fuzzing tools, random input data is automatically generated and fed to the program for processing in order to see whether intentional or accidental mishandling caused the software to crash. If so, the software poses a security risk to the entire system.

Behavior-driven development – a simple explainer

Behavior-driven development (BDD) is a key component of agile software development. Instead of being based on a certain programming language, the technique utilizes a form of text that subsequently allows automated tests. BDD enables non-developers to use complex tools that check the functionality of software, thereby improving the end product.

Enabling Excel macros: How to activate these practical scripts

For over three decades, Microsoft has offered Excel, an excellent solution for creating simple spreadsheets and calculating complex formulas and functions. In addition to its vast functionality, another benefit of Excel spreadsheets is that you can create and use macros to automate any process or task. We’ll show you how to enable macros in Excel.

Test-driven development: how the method works

Programmers use test-driven development (TDD) to manage software development by testing code components. The tests help to provide a clean architecture and reduce bugs. The TDD process is cyclical: After writing a test that fails, functional code is implemented which is then refactored.

Kata Containers: basics, function, and applications

A Linux container is either secure or flexible and simple. At least this used to be the case for a long time until the open-source project Kata Containers emerged and combined the best from both container technology and virtual machines. How did the open-source community behind the OpenStack Foundation (OSF) pull this off?

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