go Archives - Page 3 of 5

Convert byte slice to io.Reader

In my project, I have a byte slice from a request’s response. defer resp.Body.Close() if resp.StatusCode != http.StatusOK { log.Println("StatusCode为" + strconv.Itoa(resp.StatusCode)) return ...

May 21, 2022
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What does an underscore in front of an import statement mean?

I saw this example from sqlite3 on GitHub : import ( "database/sql" "fmt" _ "github.com/mattn/go-sqlite3" "log" "os" ) and cannot seem to find ...

May 21, 2022
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Type converting slices of interfaces

I’m curious why Go does’t implicitly convert T to...

May 20, 2022
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How to run test cases in a specified file?

My package test cases are scattered across multiple files, if I run go test <package_name> it runs all test cases in the package. ...

May 19, 2022
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What is a rune?

What is a rune in Go? I’ve been googling but Golang only says in one line: rune is an alias for int32. But ...

May 18, 2022
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Why would I make() or new()?

The introduction documents dedicate many paragraphs to explaining the difference between new() and make(), but in practice, you can create objects within local ...

May 18, 2022
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How to get the directory of the currently running file?

In nodejs I use __dirname . What is the equivalent of this in Golang? I have googled and found out this article http://andrewbrookins.com/tech/golang-get-directory-of-the-current-file/ ...

May 16, 2022
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How to handle configuration in Go [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so ...

May 14, 2022
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Removing packages installed with go get

I ran go get package to download a package before learning that I needed to set my GOPATH otherwise that package sullies my ...

May 13, 2022
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Getting a slice of keys from a map

Is there any simpler/nicer way of getting a slice of keys from a map in Go? Currently I am iterating over the map ...

May 12, 2022
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