Earlier quoted context omitted.
I've never found anything of actual use on StackOverflow in my ~decade of doing this professionally. The only time StackOverflow provided useful answers to my questions was during my first year of programming courses in university.
StackOverflow is fine when learning a new language. But indeed, hardly seems to help in real-world problems.
“I have not failed. I've just found 10,000 ways that won't work.” -Thomas Edison
...and it's so much better to learn from others' failures.