[mysqld]
character-set-server=utf8
http://www.douban.com/note/34766741/
JS:
http://codeincomplete.com/posts/2011/5/7/bin_packing/
http://incise.org/2d-bin-packing-with-javascript-and-canvas.html
http://pollinimini.net/blog/rectangle-packing/
if('borderRadius' in document.documentElement.style) {
//TODO something..
}