Tutorials

Learn PHP: our all-encompassing PHP tutorial for beginners

Learn PHP: a PHP tutorial

With a market share of more than 80%, PHP is the go-to scripting language for many programmers when it comes to creating dynamic content. Whether you’re operating your own weblog, running an internet forum, or designing an online shop, it’s likely that the software behind this will be written via PHP. Our PHP tutorial for beginners will introduce you to the basics of the popular scripting...

Solr

Solr: the powerful search platform from Apache

What exactly is Solr? The answer to this question lies in our article. In combination with the Java library, Lucene, Solr can be used to build powerful web search engines. Do you need to index your documents? Solr will take care of this. First, we explain the basic terms of practical open source software and its functions. In our Solr tutorial, we’ll explain how to set up the search platform. In...

GraphQL

GraphQL: flexible query language and runtime environment for your web API

Applications on the web need interfaces in order to exchange data. If you run a web project yourself and want to grant other programs access to certain data sets, an API (application programming interface) like this is essential. Established concepts such as REST or SOAP are often used in development – but there are alternatives, as GraphQL proves.

Kibana tutorial

Kibana dashboard tutorial for beginners

If large amounts of data have to be indexed and structured, the license-free engine, Elasticsearch, is a popular solution. The Kibana web interface is often used to present the processed data in an appealing form. Together with Elasticsearch and Logstash, this forms the so-called ELK stack. In our Kibana tutorial, we explain step by step how to get the server application Kibana up and running and...

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.

Changing an Outlook Password

Outlook: how to change your password for mail accounts, data files, and in the web app

Microsoft Outlook is one of the most popular client solutions for retrieving and managing e-mails. Using the software, multiple e-mail accounts can be easily combined and controlled through one interface. For this purpose, Outlook only needs information about the corresponding mail server and the respective log-in data. If you change these, you only have to adjust them in the client settings. But...

Deleting your Facebook account

How to delete your Facebook account: a step-by-step guide

Recent scandals with Facebook’s data protection policies have left many users feeling betrayed by the social networking giant, which has been facing accusations of failing to protect personal information from third-party use. Deleting your Facebook account is the best and most permanent way to protect your data from prying eyes. So how exactly is it done? This guide walks you through the steps to...

Forwarding automatically in Outlook

Outlook: forward e-mails automatically

Holidays, illness, or business trips – there are many reasons for absence from work. Checking your e-mail may not be possible in these cases. E-mails are usually still received and should not remain unanswered – forwarding your e-mail with outlook is a great solution. You can set automatic e-mail forwarding in outlook, so a colleague receives all your emails. How to forward e-mails in outlook?...

Elasticsearch

Elasticsearch: the flexible search engine

If you work with large amounts of data, you’ll need a powerful search engine. Elasticsearch offers you a full-text search that you can configure so that it is perfectly tailored to your needs. But first you have to understand the principle behind it – what is Elasticsearch?. In this Elasticsearch tutorial we’ll explain the first steps in using the search engine, from installation to creating a...

Windows CMD commands

Windows command prompt: CMD commands explained

There are more than 200 CMD commands available with Windows. The command prompt can be used to control large parts of the operating system, computer, or drives. You can also use the Windows “command prompt” commands to organize your files or run network tasks. To do this, though, you have to know the right commands. Here we explain how to use CMD commands and which functions they have. Our article...