Very useful Javascript feature that can prevent a user from losing the data they are entering in an entry field or text editor in case of unintentional leaving of a page.
FTP is a file transfer protocol for exchanging and manipulating files over computer network. We will use FileZilla software to build our own FTP server that actually works.
In this tutorial, i will show you how to create invisible folder. Very useful for users, which like to hide secret folders from other users on computer.
