this one will be less about backend...

http://roberto.open-lab.com/2010/01/30/javascript-grid-editor-i-want-to-be-excel

http://treesaverjs.com/

https://github.com/gcv/appengine-magic clojure on google appengine

http://toroid.org/ams/git-website-howto

http://www.androidpatterns.com ergonomy... kinda...

http://www.designyourway.net/blog/resources/31-css-code-snippets-to-make-you-a-better-coder/ css hacks... meh...

https://github.com/raganwald/nonpareil iiinteresting....

http://amix.dk/blog/post/19414