A few weeks ago I introduced my students to the notion of dictionaries in python. The obvious way of teaching them, especially in the context of my module, is to use dictionaries to create word frequency lists. In order to make the students understand better why dictionaries are useful, we discussed other ways to produce frequency lists which use only lists. This prompted me to try to think as many ways as possible to produce frequency lists. I also wanted to see how feasible is to use these methods.
I deal with several projects that are written in PHP using the Symfony framework. One of the regular tasks I have to do is to deploy the applications on the production servers. For more than one year I have been successfully using capifony, which after the initial tweaking worked without a problem till last night. The problem was not because of capifony, but it was caused by composer: