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A comment on The missing semester of CS education. Parent comment

Re:The missing semester of CS education by msaharia on Monday February 03, 2020 @09:47PM (#22231877)
Hi, how are you getting the keystrokes you type in to overlay on the video? Is there a tool you're using for this? Would be very helpful if you could make it.
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Re:The missing semester of CS education by anishathalye on Monday February 03, 2020 @10:07PM (#22231973)
On macOS, we used this excellent open-source software called KeyCastr: https://github.com/keycastr/keycastr (we used this e.g. in the text editors lecture)
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