Grails on Ubuntu 13.04 Raring Ringtail

If you add grails ppa to your sources you still won't install grails. There's no packages ready yet.

Instead of crying you could (temporarily) edit your apt sources and install packages for 12.10 Quantal Quetzal. So do this:

sudo add-apt-repository ppa:groovy-dev/grails

sudo vim /etc/apt/sources.list.d/groovy-dev-grails-raring.list
and change path to
deb http://ppa.launchpad.net/groovy-dev/grails/ubuntu quantal main

sudo apt-get update
sudo apt-get install grails-VERSION

If after typing grails if you press the tab key then it will show all available grails versions from 1.2.5 to 2.2.0 and beyond.

Remember that you can install several versions of grails and switch between them with

 sudo update-alternatives --config grails

Prezentacja jQuery z 4developers

Prezentacja z konferencji 4developers jest całkiem interaktywna. Nie ma dema (gry Jeżyk), ale może kiedyś uda mi się je wrzucić.
http://zdanek.github.io/jquery.html