Caching for dummies
Caching is one of the things recommended whenever something is slow — “Your [database, website, server]? Well, duh! You need a cache!”. All things aside, it’s not always easy to cache stuff. I find myself often in situations where I can’t cache at all or where a caching solution is complex as hell to implement. All of the sudden you need to dissect your page and lazy load half of it with Ajax — bah....