Recent questions tagged go

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I'm using the hash function murmur2 which returns me an uint64. I want then to store it in PostgreSQL, which ... way that pleases the compiler? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Is it possible to have a struct with multiple JSON tags?

I post a request to a server and get a reply in JSON format. I'm able to unmarshal it to a struct. Then I ... json:"-"` } Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Parse input from HTML <form>

I got something running with the Goji framework: package main import ( "fmt" "net/http" "github.com/zenazn/ ... appreciate any and all help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - How to parse the json array in golang?

package main import ( "encoding/json" "fmt" ) type PublicKey struct { name string price string } type KeysResponse struct { ... :[],"urls":[]}}] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - A channel multiplexer

Note - newbie in Go. I've written a multiplexer that should merge the outputs of an array of channels into one. Happy ... (ch) }() return ch } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Parse JSON HTTP response using golang

I am trying to get the value of say "ip" from my following curl output: { "type":"example", "data":{ "name":" ... to get the value of say "ip". See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - How to Structure Golang Modules and Project structure in the New way

It seems that the way modules are used since 1.11 has changed , and I am trying to understand how to ... use in mondule1 Kind Regards Martin See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - How to wait until buffered channel (semaphore) is empty?

I have a slice of integers, which are manipulated concurrently: ints := []int{1, 2, 3, 4, 5, 6, 7, ... I wait for the buffered channel to drain? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Is it possible to get Enum name without creating String() in Golang

Is it possible to get Enum name without creating func (TheEnum) String() string in Golang? const ( MERCURY = ... or using editor's macro) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Does accessing elements of string as byte perform conversion?

In Go, to access elements of a string, we can write: str := "text" for i, c := range str { // str[i] is of ... , s := range str2 { // use s } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Access random rune element of string without using for ... range

I recently asked this question and the answers increased my understanding, but they didn't solve the actual problem I ... .At(i) for example? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - What does "%b" do in fmt.Printf for float64 and what is Min subnormal positive double in float64 in binary format?

Go doc for Package fmt Floating-point and complex constituents says: Floating-point and complex constituents: %b ... is 4503599627370496p-52? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Reading a slice of maps with Golang Viper

I'm using the excellent viper library from here: https://github.com/spf13/viper I'm trying to read in a config ... so please go easy on me :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - variable declaration in init statement of for loop

Yet another beginner's question for golang: I can write: for i := 0; i < 10; i++ {} But if I want ... here? Is there any explanation for it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Upload a file with POST request golang

I'm new to golang and I'm trying to write a function that uploads a file with a post request to ... ://core.telegram.org/bots/api#sendphoto See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - get notified when http.Server starts listening

When I look at the net/http server interface, I don't see an obvious way to get notified and react when the ... sleeping "enough" to fake it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Initialize const variable

How can I initialize KILO variable with const type? const KILO = math.Pow10(3) Because I have an errror const ... Pow10(3) is not a constant See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Changing pointer type and value under interface with reflection

Is it possible to change pointer type and value of variable defined by interface? I can change pointer value with ... , My name is Ron } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Finding functions that return a specific type

Perhaps this is a silly question, but is there a way to find all functions (in the standard library or GOPATH ... when the type is an interface. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - accessing struct fields from embedded struct

I want to define a method on a struct for validating http request. but I have some problems about accessing ... method like Validate2() method? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - How to parse long hexadecimal string into uint

I'm pulling in data that is in long hexadecimal string form which I need to convert into decimal notation, ... best strategy to attack this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Running code at noon in Golang

Is it possible to execute code at a noon everyday? The program is handling user input the rest of its run ... most effective way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Golang marshal dynamic xml element name

The xml file consists of two elements. Those elements have the same structure except for one element name. I tried to ... string `xml:"ELEM4"` } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - GoLang - termbox: panic: open /dev/tty: no such device or address

I am coding with Go 1.2 on Ubuntu 12.04 LTS machine - using LiteIDE (very pleased with it). I downloaded and ... Any clues would be helpful.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Mutual Exclusion of Concurrent Goroutines

In my code there are three concurrent routines. I try to give a brief overview of my code, Routine 1 { do ... is lots of sending and printing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Refer to constant or package level variable instead of function level variable

package main import "fmt" const name = "Yosua" // or var name string = "James" func main() { name : ... and not the the function level variable? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Avoid using type assertions in the branches of a type switch

I use type switches in Go, e.g. the following one: switch question.(type) { case interfaces.ComputedQuestion: ... pass it to another function? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Unable to get itemCategory info from call GetConfiguration when called from golang

The api call GET https://api.softlayer.com/rest/v3/SoftLayer_Product_Package/257/getConfiguration?objectMask=mask[itemCategory] ... sort": 0 }, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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