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Artificial Intelligence (AI) is transforming the way we build, debug, and optimize code, and it’s happening at an unprecedented pace. As a long-time Ruby and Rails developer, I’m participating in these developments with excitement via my startup and my new book and open-source projects.The good news I want to share ...

Ruby was conceived by a man who worked a lot in Perl and Unix. This is very much transparent from the language itself. If you are a Unix professional you will know at least half of of these names/symbols by heart:` `, $?, STDIN, STDOUT, STDERR, ${}, ARGV, $$ ... # shell-isms%Q, %q, %x, -e, -F, -wnlp, / /, $VAR, @VAR...