Once you are dealing with a plethora of files on your disk, with each file replicated across various snapshots of the data;  sooner or later you need to be able to take diffs and merge various version of the files. This just not only applies to files in source code if you are a programmer but is also applicable for different text files in general. Sometimes a small problem in a file (which can be easily identified by taking the right diff) can prevent you from making progress on a….. Read More