Repetitive tasks should be done using as many shortcuts as possible. You are not doing anything new and hence not even an extra minute should be spent on doing the same. This post refers to the shortcuts that come in handy when working on the vi/vim editor.

This is ...

When deploying R codes across the cluster, many a times the reason for the failure of the task is unavailability of a particular package across all nodes of the cluster. We wait for someone to get the package installed across all the nodes. This may take some days. Do we ...