I spotted this blog page from a list I subscribe to the other day, those sensitive to profanity should look away now others can see the stats here...
Amount of profanity in git commit messages per programming language
Given that C# and Java are similar in many ways and are often used for the same things it is amusing that they both induce exactly equal levels of profanity in their developer communities.
The figures for different languages are significantly different (with C++ being the most sweary language to work in it seems) so I feel like this data is trying to tell us something.
And who are the nicest people to program with? PHP developers it seems (with Python not far behind).