PHP 8

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

PHP is one of the most important languages on the Internet. Many content management systems like WordPress, TYPO3 or Joomla are based on PHP. With the release of PHP 8, various new features were introduced. Also some old features were reworked, meaning that errors may occur if the code is not up to date. You can find all the important information about the new features of PHP 8 here.

What is a zettabyte?

Zettabyte – the storage capacity unit explained

Most of us are already well-acquainted with storage units such as megabytes, gigabytes, and terabytes. But a much larger unit needed to measure the data capacity in use worldwide. The zettabyte has been mapping global data traffic since 2012. But how much data is in a zettabyte? We explain the relationship to better-known units and how their conversion works.

Binary code

Binary code: what do you use the binary system for?

Computers use binary code which is made up of all “ones and zeroes”. But why? Why don’t PCs and smartphones work in the decimal system that we are all used to? The answer can be found in the technology as well as in the sheer elegance of the binary system. It is a lot simpler than many people think. Can you perform calculations with binary code too?

Esc key

The Esc key and its most important functions

The Esc key at the top left of a PC keyboard is basically a relic from the days of command line-based operating systems such as DOS and UNIX. But even today, the Escape key proves extremely handy for many situations. It terminates processes in Windows, shuts down windows and menus, and, in combination with other keys, can launch Windows system functions.

Android emulator

Free Android emulators: 3 programs compared

Android emulators are used to add smartphone and tablet applications to desktop PCs. Installing them is quick and operating them is not particularly complicated. Even games and apps from Google's Play Store can be used. We compare three Android emulators for Windows 10 that are freely available and discuss their security risks.

Install add-ons

Installing add-ons in Firefox, Chrome, and more

Whether you’ve chosen Firefox, Chrome, Edge, or Safari as your standard browser – when you install an add-on, you’re extending your browser with useful features. For example, you could improve the search experience with suitable extensions, or you could optimize work processes. In our step-by-step guide, we’ll show you how to install add-ons in some of the most popular browsers.

What is an add-on?

What is an add-on and what does it do?

Add-ons can hardly be kept away from today’s browsers. They expand your browser with additional features and give you the chance to customize it to your own needs. In this article, you can find out exactly what add-ons are and what you can do with them. Do you know the difference between add-ons and plug-ins? You’ll learn more about that, too, in this post.

What is metadata?

What is metadata?

Metadata is generated by many applications in the digital world. If this data is collected and analyzed en masse, it poses a serious risk to privacy. But metadata doesn’t have to be dangerous. The term is broad and encompasses a lot of useful techniques. In this article we’ll explore the meaning of metadata with some examples.

What is a yottabyte?

What is a yottabyte?

We tend to work with megabytes and gigabytes on a daily basis. The yottabyte, however – while the largest unit for data volumes – is less well-known. But this unit of information gives an exciting insight into how much data is in circulation worldwide. We’ll explain the size of a yottabyte and how it is converted into other units for storage capacity.

What is a terabyte?

What is a terabyte?

When you purchase a hard drive, you’ll likely come across the term terabyte which refers to the data quantity common storage media can back up. But the designation raises the question of “how large is a terabyte anyway”? Find out more about this unit of information, about the difference between terabytes and terabits, and how it can be converted into other units.


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