favicon-interceptor.js

## favicon-interceptor.js
// early experiments with node had mysterious double requests
// turned out these were for the stoopid favicon
// here's how to short-circuit those requests
// and stop seeing 404 errors in your client console

var http = require('http');

http.createServer(function (q, r) {

  // control for favicon

  if (q.url === '/favicon.ico') {
    r.writeHead(200, {'Content-Type': 'image/x-icon'} );
    r.end();
    console.log('favicon requested');
    return;
  }

  // not the favicon? say hai
  console.log('hello');
  r.writeHead(200, {'Content-Type': 'text/plain'} );
  r.write('Hello, world!');
  r.end();

}).listen(8000);

console.log('Server running at http://127.0.0.1:8000/');