Introduction Sometimes you need to test your application or website to make sure it works as it should. “End-2-End testing is a software testing methodology to test an application flow from start to finish. The purpose of End-2-End testing is to simulate a real user scenario and validate the system and its components for integration […]
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Sometimes it is necessary in JavaScript to delay/sleep a program for a certain time. Therefore we can generate this behavior ourselves using a small helper function, thanks to the asynchronous nature of javascript. For example:

With this we can delay the program flow for a certain time in the following function

But it […]
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Angular delivers it’s own i18n (internationalizion) API. Although the implementation is already very extensive and mature, some use cases are not covered. This also includes changing the language at run-time. When implementing Angular, a build must exist for each language. To close this gap, packages have been created that extend the functionality. A representative of […]
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With the TS 3.7 Beta release the version is now feature-complete and brings some new additions to the playingfield. In this post we want to highlight two new features, which can be helpful to save code and make it less error prone. Optional Chaining First we want to have alook at a common situation: retrieving […]
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CSS Custom Properties is the formally correct name for the more commonly used synonym CSS variables. In this article we want to give you an insight how CSS variables help you to make CSS files more structured and semantically understandable, and how to modify them easily with JavaScript. Documents or applications of any size contain […]
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With Gitlab CI going full steem ahead following their proclaimed vision, we want to have a look on it ourselves! Mostly working with the proven and beloved open source CI tool Jenkins, we are wondering, will Gitlab give us some new features and benefits or will it not be able to replace Jenkins as the […]
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Some of you might have stumbled upon an unexpected error message, while updating your project from ng7 to ng8. We all know that. Everything runs smoothly and we use the last 10 minutes before heading off for the update. Not a major issue. Already having packed your stuff and ready to head home, you get […]
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Coming up with the idea Let me sketch the scenario which led me to implement the rear view mirror desktop application. I was trying to fix a rather strange bug, at some point I realized I was stuck and asked a colleague for help. When we both realized that we need to ask another developer […]
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In this blog article I would like to describe a stumbling block I stumbled across in my work. TypeScript (TS) is a very good way to increase productivity. The compiler and type system fix many software bugs before they occur. Also the possibility to translate into different versions of ECMAScript (ES) is a useful feature […]
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What is Content Projection Those of you who already worked with angular.js 1.x might be already familiar with the concepts described in this post. In angular.js 1.x you might know this concept under the infamous name transclusion. It’s not a concept invented by the Angular Team but rather one that describes how content of any […]
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