When online documentation is nonexistent but everyone expects you to use the technology.

Well alright then!

I agree. Any particular tech you have in mind?

@Jumpshot44 I don't remember any particular off the top of my head, but it's happened a few times.
The official documentation being terrible at best, unusable at worst.
Nobody makes tutorials on how to use it. So instead I'm forced to spend hours trying to piece together the intention and interaction behind the individual pieces of the library/whatever to get something that sorta works