A blog about current topics in computer science and media, maintained by students of the Hochschule der Medien Stuttgart (Stuttgart Media University).
Recent Posts
Web server with user registration and guestbook with image upload
Overview The users access the website where they have the option to the view the guest book, register or log in. To register the user has to provide a username, an email address and a secure password (more than 8 characters, upper and lowercase characters, numbers and special characters). Then an email with a verification…

Blockchain Risks and Chances – An 2018 Overview on Public and Private Blockchain, Smart Contracts, DAOs and ICOs
A few years ago, talking about Blockchain was largely consistent with talking about the technology behind Bitcoin. In contrast, Blockchain nowadays comprises a whole technology branch, whereby the Blockchain itself can be implemented in lots of various ways. Not a year ago, on December 17, 2018, the peak of the Bitcoin hype was reached by…
How to build an Alexa Skill to get information about your timetable 2018 Version
Imagine a student who just got up. He knows exactly that he has lectures today, but he does not remember which one or even when it begins. So, he asks his Alexa device: “Alexa, which classes do I have today?’” His Alexa device is able to look into his timetable and answers: “You have five…
Parsing all Open Source Elm Code
This project was originally inspired by a talk Felipe Hoffa gave at the Github Universe conference last year. He talked about how we can analyse the code hosted on Github at a large scale to learn interesting things. I’m always excited about learning new programming languages, at the moment my favourite new langue is Elm,…
YourTube – A simple video platform in you personal amazon cloud
During the Dev4Cloud Levture i created a simple static webpage that uses Amazons S3 service for Hosting and video storage and amazons cognito for user authentification and role managemant.
Tweets by Donnie - Building a serverless sentiment analysis application with the twitter streaming API, Lambda and Kinesis
tweets-by-donnie dashboard Thinking of Trumps tweets it’s pretty obvious that they are controversial. Trying to gain insights of how controversial his tweets really are, we created tweets-by-donnie. “It’s freezing and snowing in New York — we need global warming!” Donald J. Trump You decide if it’s meant as a joke or not. But wouldn’t it be…

Using the power of google cloud API: A dockerized node app counting words in prasentations.
For the Dev4Cloud lecture at HdM Stuttgart, we created a simple Go/NodeJS/React App, which helps people to keep track of often used words during presentations. In a presentation setting, most people tend to use too many fill words and to train against this, we want to introduce our presentation counter to you.
Building a Serverless Web Service For Music Fingerprinting
Building serverless architectures is hard. At least it was to me in my first attempt to design a loosely coupled system that should, in the long term, mean a good bye to my all-time aversion towards system maintenance. Music information retrieval is also hard. It is when you attempt to start to grasp the underlying…

Safety Culture – Improve “the way we do things around here”
The safety culture of an organization is the key indication of its performance related to safety. It incorporates the visible rules, norms and practices as well as the implicit factors such as values, beliefs and assumptions. That is why the safety culture reflects “the way we do things around here” which is the most precise…
Smart Meter
Smart meters are a controversial topic in Germany. Still there are no certified products available although the roll out was planned at the beginning of 2018. Security breaches can affect customer data as well as the safety of the energy net. That’s why there are very strict security guidelines provided by the BSI. Several smart…
Buzzwords
AI Amazon Web Services architecture artificial intelligence AWS AWS Lambda Ci-Pipeline CI/CD Cloud Cloud-Computing Cloud Computing Containers Continuous Integration deep learning DevOps distributed systems Docker Enterprise IT Git gitlab Gitlab CI IBM Bluemix Jenkins Kubernetes Linux loadbalancing machine learning Microservices Monitoring Node.js Python scaling secure systems security serverless social media Sustainability System Engineering System Engineering and Management Terraform Test-Driven Development Testing ULS ultra large scale systems Web Performance
