python

django, wsgi, apache: error 500

Post author:Emil O. W. Kirkegaard
Post published:22. January 2016
Post category:Programming

The problem Apache gives an error 500 (internal server error) when trying to access website running django 1.9 using wsgi based on the tutorial given at https://www.digitalocean.com/community/tutorials/how-to-serve-django-applications-with-apache-and-mod_wsgi-on-ubuntu-14-04. Running the server…

python, virtualenv, pip and sudo/permissions

Post author:Emil O. W. Kirkegaard
Post published:21. January 2016
Post category:Uncategorized

The problem: To install a virtualenv (virtual environment for python) under a common (not user) folder, so that it is accessible to other users. If we try without using sudo,…

Error handling in R is odd

Post author:Emil O. W. Kirkegaard
Post published:27. April 2015
Post category:Uncategorized

So you want to run some code that may throw an error? This is somewhat less common with R than with e.g. php. It is quite simple in Python: The…