To learn about XML, people may actually find some guides, information, and assistance from the internet. There are many things people can learn about XML there, and the best thing is that most of these sources provide the information for free. With little extra efforts, people can actually get free programming courses from internet, but they have to deal with the hassles of collecting information and guides provided by those websites.
If you’re lucky, the site you visited would also equipped with comprehensive guides to assist beginners doing their XML tasks or even provide the online consultation, so you may try them for some solutions on your problem. Sites where you may find live consultation to share or ask for solutions would be like those online forums. Most of these forums are accessible for anyone to try, which even some offer free membership to new people to enter it.
The fact is that many people out there find themselves really helped with all information provided by these sites. They realize that at some points, those people can find more information and guides they cannot learn things on colleges or real courses. Well, I bet the college will never teach you about jquery xml parsing, right?