Combine column to remove NA’s

I have some columns in R and for each row there will only ever be a value in one of them, the rest will be NA’s. I want to combine these into one column with the non-NA value. Does anyone know of an …

Changing git conflict markers

Is it possible to change the conflict markers to something user defined?

Motivation:

It has happened several times to me that, due to hasty and not very careful merging of several branches, there …