I am a back-end web developer with a passion for open source technologies. I have been a PHP developer for many years, and also have experience with Java and Spring Framework. I currently work full time as a lead developer. Apart from that, I also spend time on making online courses, so be sure to check those out!
Posts by Bo Andersen
So far we have seen how Vue.js reacts to changes in our data and updates the DOM accordingly, based on our template. But how can we react to DOM events, such as when a user clicks a button? Obviously we want users to be able to interact with our web application, and events are a… read more
Now that we have covered string interpolation and methods, it’s time to talk about something called directives. Directives apply special reactive behavior to the rendered DOM. You will see what this means during the next couple of articles, but the easiest way to wrap your head around it is to see an example. Suppose that… read more
Before moving on, I just want to mention a thing or two about the ES6 arrow functions. While they are really useful in many cases, you also have to be a bit cautious with them. Let’s take the example from the previous lecture and see what happens if we change the getFullName method to an… read more
Now that you have seen how to set up Vue.js in JSFiddle, I just want to briefly show you how you can set up a simple development environment on your own machine. To keep things simple, I am not going to get into Webpack or the Vue CLI now, as I will cover this in… read more
Time to start writing some code! Let’s start things off with the classic “Hello World” example. The first thing we need to do, is to actually make Vue.js available to our very first Vue.js application. In order to do that, head over to the installation page at vuejs.org. Here we have various options, from downloading the… read more
Aggregations are a way of grouping and extracting statistics from your data. In case you are familiar with relational databases, you can think of this as the equivalent of SQL’s GROUP BY clause and aggregate functions such as SUM. Interestingly, Elasticsearch provides a rather powerful feature that allows you to execute searches and return hits… read more