Sample code for developer happiness blog post

express.js

var app = express.createServer();

app.get('/', function(req, res){
    res.send('Hello World');
});

app.listen(3000);

ruby_examples.rb

a, b, c, d = 1, 2, 3, 4

case year    
  when 1970..1979: "Seventies"    
  when 1980..1989: "Eighties"    
  when 1990..1999: "Nineties"  
end

today = Time.now 
yesterday = today.yesterday

ruby_hello_world.rb

puts "Hello World!"

server.js

var http = require('http');

http.createServer(function (request, response) {
  response.writeHead(200, {'Content-Type': 'text/plain'});
  response.end('Hello World\n');
}).listen(8124);

console.log('Server running at http://127.0.0.1:8124/');