I believe that's called punycode, and it's a common way to encode Unicode as ASCII. It also means you can use emojis in your domain. https://en.m.wikipedia.org/wiki/Punycode https://xn--i-7iq.ws. - Source: Hacker News / 11 months ago

Emoji domain names exist, so I'm pretty sure you can put anything you want in your URL. Displaying the URL might differ though. https://xn--i-7iq.ws/. - Source: Hacker News / over 1 year ago

Which is more common, that or people doing stupid shit? Source: over 1 year ago

You can have a real emoji domain in every web browser: domainoji.com or i❤️.ws. Source: over 2 years ago

Domains with emojis will be coming somepoint soon, but they are already up for buying and many companies have purchased a lot of them https://xn--i-7iq.ws/. Source: almost 3 years ago

According to the 'Server' response header, Cowboy is the customer facing web server Https://github.com/ninenines/cowboy. Source: over 2 years ago

===> sh(git clone -n https://github.com/ninenines/cowboy .tmp_dir636214859401) Failed with return code 128 and the following output: Cloning into '.tmp_dir636214859401'... Fatal: unable to access 'https://github.com/ninenines/cowboy/': SSL certificate problem: unable to get local issuer certificate. Source: over 2 years ago

RE: HTTP/Web Sockets/TCP/UDP/etc. - check out NineNines libraries: Ranch (TCP Socket Acceptor), Cowboy (HTTP Server), Gun (HTTP client), and CowLib (General HTTP/SPDY library) are pretty good from what I hear. Source: over 2 years ago

Ranch is a pretty well optimized and battle hardened tcp acceptor. It powers the Cowboy/Phoenix server which scales to extreme level of concurrency and low latency. Cowboy uses ranch to pool and accept connections and I believe it uses {active,once}. https://github.com/ninenines/cowboy https://github.com/ninenines/ranch. - Source: Hacker News / over 2 years ago

I have a web application which uses cowboy and cachex every so often cachex errors, which means my server returns a 500. Source: over 2 years ago