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A comment on 38% of bugs at Airbnb could have been prevented by using types. Parent comment

Re:38% of bugs at Airbnb could have been prevented by using ... by jashmatthews on Monday February 11, 2019 @04:22AM (#19133081)
The GIL still allows for parallel IO so typical applications never need async. Modern Ruby just runs one process per core much like NodeJS in clustered mode or on JRuby with no GIL.
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