Sorry for the language guys, but guess we all know someone like that boss!
It's not that hard when you're single but the things are totally different when you had a family and kids. The situation can drag you to any point when it comes to a hungry brother, sister or children. I know, I've been there (thank god it's a history now).
But the good news is, you are really valuable. I mean, you are a ruby developer. You'd be having £400/£450 per day if you were a contractor in London/UK.
So don't give up yet! Check the links other users provided and open a linkedin account as suggested as well as job site accounts and upload your CV. Just hold on couple of weeks and I am sure things will be better.
Hacker News is a great community. So keep us updated and let us see what we can do about it.
Also it might be useful if you can tell us where are you based (I may have missed that if it's already in the article).