The Docker ecosystem: the best Docker tools at a glance

Docker significantly simplified the use of software containers with its efforts at standardisation. The lean container platform is part of a growing ecosystem that provides users a wide range of application options in the realm of software deployments, orchestration of containers, and multi-container applications, as well as continuous integration (CI) and continuous delivery (CD). In this guide, we present the most popular Docker tools and extensions, and elaborate on the role of container technology within a digital infrastructure platform. [...]  

Tag your website with RDFa according to Schema.org’s guidelines

Recommended by W3C as a standard for embedding metadata into HTML, HTML5, XHTML, and other XML dialects, this data format forms the foundation for the semantic web. The project Schema.org provides a standard vocabulary for the markup format. Find out more about its applications and limits and get a feel for tagging with RDFa. [...]  

jQuery tutorial: basics on selectors, syntax, and more

By using the JavaScript library, jQuery, you can easily customise HTML elements. Well-known CSS selectors such as the element selector or the .class selector help you to choose the desired content and manipulate it using various actions. In addition, lines of code can be written that respond to how website visitors navigate and what search terms they enter, and then automatically execute predefined reactions. In our jQuery tutorial you will get an introduction to jQuery and the basics of how to use the library. [...]  

Pixel graphics or vector graphics? Comparing the pros and cons

When should you use a pixel graphic and when is better to employ vector graphics instead? We show you the pros and cons of both of these computer graphics and detail their different applications. Read on here how and make sure your website is always correctly using each graphic form. [...]  

CSS tricks: useful snippets for your web project

The style sheet language CSS is one of the most important tools of modern web development. It makes it possible to separate a website’s content and layout from one another and is continuously being developed by the World Wide Web Consortium (W3C). CSS snippets facilitate the design of webpages significantly and can even take on functions of Photoshop and JavaScript. Here, we reveal some useful CSS tricks. [...]  

Embedding videos on your page

With HTML5, uploading video content onto your website is easier than ever. The most recent version of this popular mark-up language defines a new native element, video, and the associated programming interface. Website operators can also embed audio-visual content onto their online presences using video platforms such as YouTube or Vimeo. [...]  

Add tweets to your homepage with the Twitter widget

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 favourited, 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. [...]  

Databases for licence-free images

You don’t have to look too far when searching for free stock photos and images on the internet. But just because images are free, doesn’t automatically mean that they’re all completely unrestricted for use. This is where special licences come into play. We’ll guide you through an overview of the best sources for licence-free images available online. [...]  

Bitcoin –what you should know about the digital currency

When it comes to the peer-to-peer network Bitcoin, published in 2009, opinions are divided. On one side of the argument are those who see the enormous potential of a decentralised payment system, run not by a single authority, but administered and controlled by all users. On the other side are those who use every opportunity to point out the instability of the open source project’s exchange rate and its unknown future. Read here why it might make sense for your online shop to have a Bitcoin account. [...]  

Snapchat followers: How do I give my channel more range?

Snapchat is only accessible via an app. This can make it difficult to extensively promote your account’s content and gain more followers on Snapchat – especially if part of your target group isn’t already on Snapchat and has to first install the app to visit your channel. But while the promotion of social media channels on other platforms such as Facebook or Instagram is easier, there are several proven strategies for getting more Snapchat followers to your Snapchat channel. [...]