jlouiss

# uninstall postgresql if necessary
$ sudo pacman -R postgresql postgresql-libs

# remove postgres files
$ sudo rm -rfv /var/lib/postgres

# proceed with the installation
$ sudo pacman -S postgresql postgresql-libs
# setup password for postgres
$ sudo passwd postgres

jlouiss

Web Development Sites

Tudo

https://pluralsight.com (pago) acho que é o melhor de todos e vale a pena (eu arrumei o meu emprego atual aprendendo angular no pluralsight)

https://hackr.io

https://codecademy.com