JavaScript

Java commands
The most important Java commands in an overview
  • Web development

When you work on a program every day, you’ll be using a wide variety of Java commands, and you’ll need to use quite a few of the same commands over and over again. In our overview, we’ll show you the most important Java commands, explain what they are used for as well as teach you how to use Java commands. Let’s begin.

The most important Java commands in an overview
While-loop Java
How to use the while-Loop in Java
  • Web development

The head-controlled while-loop is a simple and important tool in Java. Just by using a termination condition, programs can use it to complete many tasks within a defined scope. Here you will learn what exactly the while-loop is in Java, how it is constructed, and how it differs from other loops in Java such as do-while and for.

How to use the while-Loop in Java
For-loop Java
How to use for-loop in Java
  • Web development

One of the best known and most important loops in Java is the for-loop. This means that you’ll be able to execute an action for a certain number of runs until the point that a previously defined condition is met. In our article, we will go through what the for-loop is, and explain how you can easily use a for-loop in Java.

How to use for-loop in Java
Security vulnerability: Log4Shell
What is Log4Shell? Causes and effects of the Java vulnerability
  • Security

A shock was felt around the world at the end of 2021 when the Log4Shell vulnerability became known to the public. Attackers were able to completely take over remote systems without much effort. All major companies and many of the most widely used services were affected by it. In our article, we’ll explain why Log4Shell was so disastrous, how the exploits work, and what protective measures are...

What is Log4Shell? Causes and effects of the Java vulnerability
Solr
Solr: the powerful search platform from Apache
  • Configuration

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...

Solr: the powerful search platform from Apache
Angular vs React
Angular vs. React: A comparison of the JavaScript solutions
  • Web development

Angular vs. React is a competition that divides the developer community. The two frameworks both enjoy a large fanbase and come with numerous advantages. We explain what Angular and React are, what they have in common, what distinguishes them, and what kinds of projects each of them is suited to. Read on to find out more.

Angular vs. React: A comparison of the JavaScript solutions
PHP vs. JavaScript
PHP vs. JavaScript: A comparison of the two scripting languages
  • Web development

The PHP vs. JavaScript duel has been around since way back in 1995. Which scripting language is better mainly depends on the respective project and its requirements. Here you can find out what the two rivals are all about, what they have in common and what their differences are, and whether PHP or JavaScript can win the race.

PHP vs. JavaScript: A comparison of the two scripting languages
How to create and embed a Twitter widget
Add tweets to your homepage with the Twitter widget
  • Website creation

Embedding Twitter on your website doesn’t just mean a pop-up window to your Twitter news feed; thanks to the Twitter widget, you can add actual elements of your Twitter account to your website. This could be tweets you’ve favorited, lists you’ve compiled, or even your entire news feed – it’s up to you. Find out how this works and what the benefits are in our guide to embedding a Twitter feed.

Add tweets to your homepage with the Twitter widget
Embed JavaScript in HTML
Embedding JavaScript in HTML: easy instructions and examples
  • Web development

If you want to liven up a static HTML file and make it interactive, you can easily embed JavaScript in HTML. JavaScript elements add dynamic features to the functions of a website and make for modern, creative online presences. Our tutorial explores the available options for this.

Embedding JavaScript in HTML: easy instructions and examples
The most important meta tags and their functions
The essential meta tags at a glance
  • Web development

Meta tags are used by website owners to specify metadata in HTML documents. The coded information integrates with web browsers and search engine crawlers to enhance the searchability of a website. But which meta elements are actually required by user agents to improve processing? And how can you use metadata to boost your website’s ranking in the search results?

The essential meta tags at a glance