Encyclopedia

Excel Pivot Tables

Pivot tables: using Excel to its fullest

Excel pivot tables can considerably ease the evaluation of data. Data analysis can be especially time-consuming and tedious with complex numerical series, but with Excel pivot, this doesn’t have to be the case. Simply place your data in the right context and filter the essential information in just a few clicks. The pivot table allows you to create expressive diagrams in no time. Find out all you...

OpenShift vs. Kubernetes

Big comparison: OpenShift vs. Kubernetes

Do you want to work with leading-edge container technology, but don’t know which orchestration tool to use? Ease of use versus flexibility, PaaS versus open source, OpenShift versus Kubernetes: both orchestration tools have their advantages. But which is the best fit for your project? We compare Kubernetes with OpenShift to help you make a better decision.

Windows won’t boot

Windows 7, 8, 10 will no longer start – causes and solutions

Every Windows user knows: No matter which version you use, the popular Microsoft operating system has its bad days. Sometimes these are so serious that the worst possible outcome happens: Windows won't boot anymore. You might think there’s nothing you can do, but don't panic: Boot problems and bluescreens can be solved quickly in most cases.

Windows blue screen

Windows blue screen (BSOD): How to cure the error

The infamous blue screen of death usually shows up without any warning. It’s an important indicator of internal problems with hardware, software, or drivers. If Windows can no longer be run as a result of such a problem, then the forced shutdown takes place in the form of a blue screen containing an error message. This may cause unsaved files and documents to be lost. The most important thing with...

What exactly is a website?

What exactly is a website?

What exactly is a website? Who needs one, and what are the different options available for private users and businesses? There are solutions for beginners, which require no programming knowledge. These solutions, especially content management systems, have established themselves in the last few years due to their flexible content management. Professionals, however, still swear by self-written...

Search more effectively with Google operators

Google search operators: advanced web searches

Google is the most popular search machine in the Western world and handles billions of search requests daily. What few users know, however, is that Google has a number of specialised commands to help searchers find what they’re looking for as quickly as possible. These operators are entered into the search bar along with keywords or search terms. Website operators can also gain valuable...

QFD - Quality Function Deployment

QFD: What’s behind Quality Function Deployment?

Before launching your new product, you should make sure that it will be well-received by customers. You can use Quality Function Deployment (QFD) to see which direction the product development should move in. The QFD method can also help you to improve an existing product and make it more successful in the long run.

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?

What is DBaaS

DBaaS (Database as a Service): databases in the cloud

Relational database systems such as MySQL no longer necessarily have to be hosted in-house. With Database as a Service – or DBaaS for short – one or more databases are outsourced to the cloud, saving costs and capacity. Here we explain how DBaaS works, what it’s suitable for, and what advantages and disadvantages it has.

What is a backup?

What is a backup and how does it effectively protect your data?

Technical issues, hacker attacks, and malware can lead to costly and serious data loss at any time. To minimise the risks, it is recommended that you perform regular comprehensive backups. It is important to have a suitable backup strategy that properly meets your specific requirements.


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