In the previous article, I introduced what project we're going to address in the following weeks: how to build a cross-platform search engine with encryption capabilities. Today, we'll have a look at the first technical challenge: how to store things on disk.You might be thinking that we start with a simple topic, to warm up and get ready for the serious parts. That's both right and wrong at the same time. Writing on the filesystem from a mobile application or a desktop application is an easy ta...