Fancy a go at building your own operating system? A course teaching the basics of building an OS has been released for the $40 Raspberry Pi computer.

How to make a simple notepad app in Android Studio including how to save and load files, use recycler views and much more.

If you've ever wished you had a quick-access scratchpad in your OS X menubar, there's a quick and easy way to get one with free site-specific browser application Fluid and an HTML document.

With Notepad, however, neither of these features are really necessary. You can bypass any guesswork as to how pasted text will look by stripping its formatting and making it adapt to the styles ...