More important than total popularity is the popularity in a particular category. What's the most popular language for a certain type of task? C is certainly n

More important than total popularity is the popularity in a particular category. What's the most popular language for a certain type of task? C is certainly not exactly ideal for quickly setting up a dynamic website, and no sane person is going to use something like Java to write a video encoder. A better question would be, when there is a reasonable choice between many languages for a given task, what is the relative popularity of those languages?