The Most Popular Programming Languages - 1965/2020

http://www.businessinsider.com/report-snapchat-buys-zenly-2017-6 origin - http://www.pipiscrew.com/2017/06/snapchat-reportedly-paid-over-250-million-for-an-app-that-lets-you-track-your-friends/ sn...

http://www.zdnet.com/article/wannacry-reportedly-hitting-speed-cameras-in-victoria/ origin - http://www.pipiscrew.com/2017/06/wannacry-reportedly-hitting-speed-cameras-in-victoria/ wannacry-report...

A command line, place is to the root folder where contains all your PRJ folders, save is as backup.bat download 7-Zip Command Line Version from http://www.7-zip.org/download.html 7z a mybackup.7z...