This is a pretty cool website with lots of YouTube clips from TED talks, documentaries, etc. that show the pronunciation of each word in real-usage context. (It also shows the IPA in many cases, though not for "hacker" for some reason.)

They also have it for a bunch of other languages, eg.

https://youglish.com/french

https://youglish.com/chinese

https://youglish.com/spanish