choose a platform/technology, download the sdk or any other dependencies, then start looking at sample code. If you know c++ then you at least have a grasp on how a computer carries out tasks pro-grammatically, its all the same in principle so jump in head first and dont beat about the bush!
If web stuff is where you interest lies then you should follow every tutorial on w3cschools and by the time you have gone through that you will be primed
Guys take a look at this new job board it is free to post / find work and you dont even have to register. It is great for devs, designers and copywriters. http://facingworlds.co.uk
It depends, you can sign up to many different freelance job websites such as freelancer, elance or peopleperhour.
If you are looking for a site to post a job with no registration/verification/hassle then take a look at http://facingworlds.co.uk it is a free and open job board I found recently, pretty cool for picking up odd dev/design jobs.
If web stuff is where you interest lies then you should follow every tutorial on w3cschools and by the time you have gone through that you will be primed