A great hummingbird shot such as this one is the result of having

the right equipment
at the right place
at the right time
with the right setup
with the right knowledge
with the right bird
and a LOT of LUCK.
I will be addressing many of these factors on this website.
Of course you can't photograph Hummingbirds unless you can attract them to where you are shooting. So the first subject that I am going to address is Hummingbird Feeders
For more a more detailed and thorough knowledge of Hummingbird Photography, see The Hummingbird Guide.