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A comment on Why Lisp macros are cool, a Perl perspective (2005). Parent comment

Re:Why Lisp macros are cool, a Perl perspective (2005) by weare138 on Monday December 16, 2019 @07:13PM (#21809100)
A cool example of this was NASA's Deep Space 1 probe. The control system was written in Lisp. There was a race condition in the code that wasn't detected during ground testing. NASA software engineers were able to remotely debug and patch the code while it was still running.

ti.arc.nasa.gov/m/pub-archive/176h/0176%20(Havelund).pdf

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Re:Why Lisp macros are cool, a Perl perspective (2005) by ragebol on Tuesday December 17, 2019 @03:24AM (#21811706)
Imagine running a REPL with 45 minutes of light-speed delay in the loop. I love to tell this anecdote
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