You will receive this error when you have a version mismatch between Virtual Box and the virtualbox-ext-pack version. This can be caused by an automatic update. The solution is applied in the host system and is very simple. Especially on Linux systems such as Ubuntu, since here the dependencies are automatically matched to the correct version. For Windows […]
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Recently we have released a new version of our Calendar for Trello. The project started as a learning project for interns at our company but fastly increasing user numbers made the relevance of this project clear to us. Shortly the calendar had acquired so many users, that we were hitting Trello’s API limit. We needed […]
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If you are using the date, currency, decimal or percent pipes in Angular 2 make sure to add the required Intl Polyfill to your application before you ship it to production. The Internationalization API is not yet implemented in all browser versions out there. If you forget this you’ll receive the Intl is not defined error in many browsers. […]
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Probably you want as little DOM elements as possible. You can use a ng-container instead of a regular HTML element in order to receive reduced markup. Example of ngSwitch:

Example for *ngIf:

There are many modules to include Google Analytics into your AngularJS project. But actually this overhead is not really required since a plain implementation is only a few lines of code. So you can spare extra modules. I highly recommend you to use Google Tag Manager in order to place the tracking information on your […]
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This Article will serve as a guide to implementing Animate.css animations with Angular 2 animation system. Animate.css is a popular and handy library for simple CSS Animations. We’ll apply the animation to a component and control it via a button. We will not use ngClass but convert the Animate.css to fit Angular 2 Animate. Final Result:   Git […]
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Want to set focus on an HTML element in your Angular app? The following step-by-step tutorial shows you how to do it easily. For a live demo of the final result, see this StackBlitz. Step-by-step Let’s start by adding an input element and a button to our component’s template. We give the input element an […]
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Today i needed a Flexbox row to break into an equal amount of tiles. Some Browser support the css page break to achieve this but unfortunately this isn’t working in Google Chrome. So I had to figure something out. The solution is to add an element that is hidden by default and steps in as […]
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    #1 Project Setup Animations in Angular 2 are probably easier than you think. In this tutorial we will create a simple side navigation that will leave and enter the screen from the right side. We will use Angular-CLI and TypeScript but you should also be able to adopt the steps to any other […]
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Sometimes one might get into the unfortunate need to change a git commit. In this post I will show some options to revert or change commits which are not yet pushed to an remote branch.