In times when computer programing is becoming more and more accessible due to the growing number of coding schools, online resources and bootcamps, this question seems to go viral - which computer language should I learn first or which language should I choose for my use case. This situation is no different for Ruby and Python.
This article aims at reminding the veterans and aiding the beginners in the basics of caching (in Ruby particularly). Starting from the basic question – what is caching – we will move on to when given caching techniques should be used, where cached resources can be stored, what types of cache are available, how to approach cache invalidation, and finally, what risks are imposed.