HN user
first, what is your site address? make donate with Paypal available
Your visitor should coming from US,Russia,German or western
consider to use flattr.com and Google adsense(many developer use it)
From Indonesia Github.io is OK
book:
http://www.lulu.com/shop/ivan-savov/no-bullshit-guide-to-mat...
world.mathigon.org
mathworld.wolfram.com
good luck!
Have you another passion in your heart?
I think you have(like drawing,painting,etc).
I ever felt like this before I'm a painter but suddenly I like philosophy.
And now i hate painting!
Ruby and python is expensive.
platform or website for what
blog