Caching data. If you are a developer you must have heard about it somewhere. Is it really that important? There is only one thing I can say to that: yes!
There are a lot of reasons why you should start caching data that has been calculated. The most common reason is to keep the owner of the data happy, saving him/her bandwidth and server capacity.
In this article I will be telling you how to cache data given from an external service, but can also be used to save local results.