A guide through the Golang universe
For an introduction to the world of Go you will find here a few selected links and recommendations.
Tour of Go
If you already know other languages, this tour will teach you the essential features of Go in a very short time.
After the quick start Effective Go explains how you write understandable and idiomatic Go code.
Go Concurrency Patterns
In this talk Rob Pike explains draft samples for concurrent programming with Go.
Go Slices: usage and internals
This contribution from the Go blog sheds more light on slices, arrays and handling them.