Mattn-san,
If I wanted to learn Go, is there a recommended English book/ tutorial? And what will be a good relatively complex project to learn it?
(I have a background in CS but am a very mediocre programmer, more interested in backend).
Discussion
* Learning Go
But I'm thinking most of people can learn Go using only internet resources.
https://www.oreilly.com/library/view/learning-go/9781492077206/
* Effective Go
https://go.dev/doc/effective_go
Probably, this is enough to learn basically most of Go.
* Concurrency in Go
If you want to learn Go's goroutine/channel:
https://www.oreilly.com/library/view/concurrency-in-go/9781491941294/