This might be caused by another process using that port. I had the same issue and was able to solve it by listing all the processes on port :8080: $ sudo lsof -i :8080 and then killing all of them one by one by typing: $ kill {PID of the process} After that, my app … Read more
tl;dr: We take a look at the Swift language reference, and sure enough, the usage of this backslash-dot notation is called a key-path-expression. (The question has been sufficiently answered, by this point.) A more hands-on approach on how to get to that piece of buried documentation: As you can see from the code you posted, … Read more
Update: As of December 2020 and beyond, brew switch does not work, so use the other answer by @angabriel: brew install rbenv/tap/openssl@1.0 ln -sfn /usr/local/Cellar/openssl@1.0/1.0.2t /usr/local/opt/openssl Original Answer: Switch to an older openssl package brew switch openssl 1.0.2s Or, depending on your exact system configuration, you may need to switch to a different version. Check … Read more