This method removes all variants of the cached content.
Fetches requested content from the application, even if cached content is available.
In such a case, a processor changes a memory location and then invalidates the cached values of that memory location across the rest of the computer system.
Cache invalidation can be used to push new content to a client.
) A sensitive child who is repeatedly invalidated becomes confused and begins to distrust his own emotions. Now I am wondering,..someone says, "Don't think so much," how does one do that?