Learning Club 16: Genetic Algorithms

Some time ago I published a blog post with the title Know your data structures!. In this previous post I explained how I improved the running time of a genetic algorithm. I promised to go more into detail about other noteworthy things in the code in a separate article since not everything was straightforward when … Continue reading Learning Club 16: Genetic Algorithms

Wasserkefir – so geht’s!

Übergabeplatz: Pfarrplatz, Linz. Erkennungszeichen: gelber Regenmantel. Was nach einem schlechten Drogendeal klingt sollte der Beginn meiner Beziehung mit Wasserkefir werden. tschoerda, die mich auf instagram mit Fotos und Videos von ihrer Wasserkefir-Produktion auf das erfrischende Getränk aufmerksam machte erklärte sich freundlicherweise bereit den schnell wachsenden Pilz mit mir zu teilen. Mein Gegenangebot: Eine Tomatenpflanze. Ich … Continue reading Wasserkefir – so geht’s!

May 1st in Austria

Besides the International Workers’ day (also called May Day) Austrians (and also people from some other countries) use May 1st to erect a maypole and celebrate! All my Austrian and German blog readers know the tradition, so I thought I’d share the impressions of this years maypole event in English on my blog. The tradition … Continue reading May 1st in Austria

Copy environment variables between SSIS catalogues on different servers

Problem Usually when developing SSIS packages, you want the project to run on different servers, e.g. development, test and production server. If you have many environment variables creating all of them is tedious and unnecessary work. I’ll show you how you can copy environment variables between SSIS catalogues that are located on different servers. Solution … Continue reading Copy environment variables between SSIS catalogues on different servers

Der Möbelhaus-Marathon und was wir dabei gelernt haben

Jeder, der schon mal eine Wohnung oder ein Haus eingerichtet hat, kennt ihn: den Möbelhaus-Marathon! Da wir rund 1,5 Jahre Zeit hatten uns auf unsere Wohnung vorzubereiten und alles sehr durchdacht machen wollten, kann man unsere Möbelhausbesuche nicht mehr an einer Hand abzählen. Bei unseren Touren durch IKEA, Lutz, Möbelix und Kika haben wir aber … Continue reading Der Möbelhaus-Marathon und was wir dabei gelernt haben

Accessing MSSQL Server with R (RSQLServer with dplyr)

Recently I have been starting to use dplyr for handling my data in R. It makes everything a lot smoother! My previous workflow – running an SQL query, storing the results as CSV, loading it in RStudio – is now history. With dplyr you can directly query data from many different databases in a very … Continue reading Accessing MSSQL Server with R (RSQLServer with dplyr)

Sushi-Kurs im Izakaya

Ich liebe Fisch und Sushi, doch leider kommen wir nicht so oft nach Linz wie es mir lieb wäre. Was ist also die Alternative? Sushi selber machen! Mein erster Sushi-Versuch hat schon gar nicht so schlecht geklappt, doch es ist definitiv verbesserungswürdig. Wenn man nicht bei jedem Schritt genau weiß was man tut, dauert es … Continue reading Sushi-Kurs im Izakaya

Fix the display of maps marker lists in twentyfifteen

In this blog post I’ll show you how to fix a problem I had with displaying the list of markers below a map. The table that lists the markers was formatted completely wrong. For me this problem came up with Maps Marker (Pro) but it can also happen if you embed Google Maps. I’m using … Continue reading Fix the display of maps marker lists in twentyfifteen

Learning Club 05-07: Starting to love rmarkdown (Naive Bayes, Clustering, Linear Regression)

I remember when I had an R course at university I was really not a fan of rmarkdown and knitr. But since I participate in a Learning Club, where people are encouraged to document and present their code, data and results, I started to love it. Prior to that I’ve always documented my assignments at the university either … Continue reading Learning Club 05-07: Starting to love rmarkdown (Naive Bayes, Clustering, Linear Regression)

Netflix Socks Part 1: Set up the Arduino

Some weeks ago Netflix posted a cool project on their website, Netflix socks that will pause your show when you fall asleep. Since I fall asleep a lot during watching TV, I thought this was a cool idea for a small project. In this post I’ll show you how to set up the Arduino for … Continue reading Netflix Socks Part 1: Set up the Arduino