> As soon as possible, show a working demo or screenshot of what the reader will create by the end of your tutorial. For this reason I am building a new way of

> As soon as possible, show a working demo or screenshot of what the reader will create by the end of your tutorial. For this reason I am building a new way of writing coding tutorials, with the possibility of writing and running code snippets into the web browser including graphical apps: https://exalib.com https://exalib.com