Unusual instruments in Vietnam
by The nose flute The Duo A’Reng, a primitive talkbox!
Author: kostas
Getting back into operations research
For the last five years, I have been fascinated with machine learning techniques, but that fascination is slowly running out. I increasingly consider ML a …
Good Book, Bad Program
Programming is like writing a book. Both programs and books are written in a language, e.g. Datalog or Tagalog, but the similarity goes deeper than …
Comparing the Corona outbreak in Scandinavia and South/South-East Asia
I have read the WHO’s sitreps on CoViD-19 daily since the end of January 2020, where I was visiting Viet Nam. I now live in …
Our Sagawind 20
Through hulls on Sagawind 20 This year we bought an old sail boat from 1979 – a Sagawind 20. My first order of concern is …
How to compute and plot Bollinger Bands® in Python
The aim is to produce a plot like this. The orange line is your data, the green line is the upper "bollinger" band, the blue …
See who is hosting a website
To see who is hosting a website (e.g. netflix.com), you will need the IP address of the website and the WHOIS record for that IP …
How to chat between computers using netcat on Mac and Linux
In our home we have a mix of Mac and Linux computers. My children have a Raspberry Pi in their room and I have a …
How to discover devices on your network (Mac/Linux)
There are several ways to check what devices are currently logged on to your network (e.g. WiFi at home). The first option is to use …