Source of 2011-07-19

 > yoya@awm.jp:~/src/js/node-v0.4.9$ node
 > console.log("Hello World!\n");
 Hello World!

- http://bateru.com/news/2011/03/javascript-binary-operations-the-easy-way/

- http://www.jma.go.jp/jp/warn/1310300.html