I recently came across a function declaration with a Javascript syntax that I had never seen before. !function() { // some logic } This ! bang is called the unary operator. I immediately started playing around in the Node console to try and understand this syntax. Without the bang, this function declaration will actually throw an error: function() { // nothing here } // => SyntaxError: Unexpected token ( Weird right? The reason for this is that the function defined with the ! converts what would normally be a function …
- Bangs (exclamation points) in front of function definitions in Javascript?

In a recent set of Rails services I built, my team wanted to quickly deploy to Heroku for testing. We also keep a YARD documentation server running and up to date for every deploy. Turn out there is not a simple way to do this on Heroku, as you can only run one public-facing HTTP server per application. My solution was to create a second heroku application cd /path/to/your/repo heroku create repo-name-doc git add remote docs git …
- Deploy Yard documentation server to Heroku