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

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,...

 

Create Alexa Skills

Program Alexa Skills easily by yourself

 

Alexa Skills extends the functionality of your Amazon Echo, Echo Dot, or any other smart speaker from the Echo series with additional abilities. You can activate extensions for the virtual voice assistant in the Alexa Skills Store for free. With the Alexa Skills Kit, Amazon also...

 

Zoom alternative

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 organising video calls daily. Free alternatives to Zoom include a wide range of features, especially since the market for video conferencing...

 

What is a QR code?

What is a QR code?

 

What do stamps, tickets, and posters have in common in the 21st century? More than you might think: Many companies now use QR codes on printed items for a variety of purposes. They can be used to quickly read data and execute commands. How does a QR code work? Which QR code...

 

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...

 

Blockchain

Blockchains are a rather hot topic right now. Though the term is far less common than Bitcoin itself, its significance in today’s world far exceeds that of the latter. After all, cryptocurrencies are run entirely on blockchain technology, which combines peer-to-peer networks with cryptographic methods and various assumptions of game theory. The result: reliable infrastructures tailored for...

SNMP (Simple Network Management Protocol): the protocol for network management

The communication protocol SNMP (Simple Network Management Protocol) is an elementary component of many network management applications. It defines a number of message types that greatly simplify the monitoring and administration of individual network participants such as PCs, routers, servers, switches, firewalls, or printers. How exactly the SNMP protocol works and what fundamental adjustments...

IGMP snooping: eavesdropping for multicast traffic

If a system in IP networks is to send data packets to different target hosts as efficiently as possible, an IP multicasting connection is the perfect solution. When it comes to multipoint transmission, the data packets are able to reach all interested parties thanks to various protocols such as GMP, for example. Switches and internet routers can also use the communication protocol for IGMP...

Simple network time protocol: the stripped-back protocol for time synchronization

An exact system time on a computer is especially important when devices need to exchange data. Cross-system processes quickly come to a standstill if the generated time stamps are very different from the time that applies to the system. Synchronisation methods that keep the clocks of the individual network participants in sync are utterly indispensable. One of the simplest methods to achieve time...

IGMP: what is behind the Internet Group Management Protocol

Using multicast connections, data streams can be transferred to a large number of clients easily and in such a way that saves resources – provided that the accessing systems are part of the same multicast group. In IPv4 networks, the organisation and management of these groups is based on the Internet Group Management Protocol (IGMP), which was published as early as 1989. What exactly this...

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...

What are third-party cookies?

Anyone who encounters personalised advertising on the internet might at first find it odd. How does the internet know that I am interested in going on holiday? Most users leave clear footprints on the net that can be used to create virtual “user profiles”. Third party cookies placed by advertisers are responsible for this. But how do they work, can you have a say in the use of cookies, and what...

What are first-party cookies?

When it comes to cookies, the small text files for internet browsers, a distinction must be made between first-party cookies and third-party cookies. First-party cookies improve a website’s user-friendliness by storing user preferences as well as information that has already been entered so that it can be used later on. These cookies can only be analysed by the respective website operator, meaning...

E-procurement – a quick introduction

With e-procurement solutions, procurement processes can be handled more efficiently, which is important for business-to-business (B2B) purchasing. Modern software ensures that purchase procedures are partially, or even sometimes fully automated. Do you want to know if electronic procurement could support your business? Read on to find out if an e-procurement solution would suit your business.

Overview of the best Magento extensions

  • CMS

Selling goods online is no longer difficult. When using the open source program Magento, you can set up a powerful online shop. You can go even further by adding extra Magento extensions: more functions, easier operation, increased performance. You can find both free and paid Magento extensions easily on the market. But which Magento plugins are worth your time? We will walk you through it.


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