In the fields of chronology and periodization, an epoch is an instant in time chosen as the origin of a particular era. The "epoch" then serves as a reference point from which time is measured. Time measurement units are counted from the epoch so that the date and time of events can be specified unambiguously.
Events taking place before the epoch can be dated by counting negatively from the epoch, though in pragmatic periodization practice, epochs are defined for the past, and another epoch is used to start the next era, therefore serving as the ending of the older preceding era. The whole purpose...
If people use password to log in to a UNIX server, then it could be forced to expire the password, then they change it.
If people use ssh key and have no passwords, no password expirity, then nothing forces them to change their SSH key regurarly.
Question: Which solution is more secure? Why d...
Where's the balance? code-golf
Task
Given a grid of 1 digit numbers, calculate where the center of mass is.
Finding the center of mass
Explanation coming. I know how it works for 1d (Balance a set of weights on a seesaw), but don't know how to explain it for 2d.
Input
Input will be a padded...
