In this publication of my PHP related blog series, I want to address Pure Intersection Types in PHP. In the previous blogs of the series, I addressed different features added to PHP with PHP 8 and PHP 8.1. The first blog was about readonly properties, the second one focused on Enums and the third and … read more …
The second blog of the Workation Diaries series is about Barcelona’s beatiful architecture and art. For the next three month, I will stay and work in Barcelona, work remotely as a freelancer and get as much insights of the city as possible. In the first post, I addressed my workation plans, the preparation and my … read more …
One of my partners asked me for support on his personal website. He is not a pro user, meaning that he created a simple website a couple of years ago and relies on support of his hoster. Stuff like responsive design and SEO (what is this?) does not matter and he just wants to publish … read more …
The last few days, I was busy getting started with Vagrant. Vagrant is a nice tool to create a development environment to ‘just start’ developing. New team members, for instance, do not need to set up, but can simply run ‘vagrant up’ to have a fully configured, ready-to-start environment. Personally, in my case, it is … read more …
Everyone has New Years Goals. At the end of the year, during the reflective Christmas season, we think about what we can do better in the following year. Most of the people want to do more sport, become a healthy lifestyle, quit smoking, etc.But also most of the people forget those goals very quickly. After … read more …
Frankfurt, February 2019 – Extract Contact Data is online! One of my daily tasks for a honorary association is about extracting contact data like email, phone numbers and others from unstructured and long texts. While I wrote a simple command line tool to do this, I recently decided to create a little tool for this purpose! Extract … read more …
The new years first blog is about algorithms (again😅) – more precisely: 2 dimensional matrices. I want to explore the ways how to find connected 1’s (so called islands) in a 2D array. This problem is also known as the “find the number of islands” or “connected components in an undirected graph“. Disclaimer: I generally use … read more …
For a project I was involved in at short notice, I had to become familiar with the Kotlin programming language. Before starting to code, I wanted to get familiar with the syntax and the language itself. As writing on a paper is the best way to learn (for me), I created the following Cheat sheet. Enjoy! … read more …
Für ein Projekt an der Uni beschäftige ich mich seit längerer Zeit mit Empfehlungssystemen (Recommender Systems), welche i.d.R. aus Collaborative Filtering und Content-Based Recommendation Techniken bestehen. In diesem Blogpost möchte ich auf die Collaborative Filtering-Komponente, genauer auf das Item-Based Collaborative Filtering eingehen. Das Item-Based Collaborative Filtering wurde ursprünglich von Amazon entwickelt. “Traditionelles” Collaborative Filtering, besser … read more …