I see my fair share of poorly-asked technical questions. Zell Liew's advice:
The onus is on you to craft questions that others can understand and reply quickly.
Reminds me of two excellent sentences by Pamela Marie:
Golden rule asking a question: imagine trying to answer it
Golden rule in answering: imagine getting your answer
— Chris Coyier (@chriscoyier) August 21, 2015
And also: Reduced Test Cases