This is a list of tutorials I've made in a variety of languages. Though it's not just limited to languages.
It can be any technical thing, like linux shell usage, MYSQL idiosyncrasies, why this, why that, etc.
If you have a question or suggestion for a tutorial, head on over to the suggestion box, and in a timely manner, I'll do my best to write the tutorial.
When I have the tutorial done, I'll shoot you an email with a summary and a link to the tutorial.
This process should be done within 24 - 48 hours, depending on how busy I am.