Joining in Pandas

Python has Pandas its tool to handle matrices, also known as dataframes in Pyhon speak. It is possible to join dataframes, much like joining tables. I found a nice example […]

Dates in SQL server

SQL Server is has several possibilities to calculate elapsed time (such as age). Two approaches are possible. The first idea is to calculate the number of hours and divide this […]

Python cgi-bin

I recently added a cgi-bin programme to my website (see van-maanen.com/cgi-bin/test.py). It allows me to add functionality to the website that cannot be achieved with standard html. Most web servers […]