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Recent questions tagged go
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go - What does a function without body mean?
I'm reading the code that package time, and then I want to know how the func After(d Duration) <-chan Time ... of Go wrote it like this Thanks! See Question&Answers more detail:os...
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go - Is it possible get information about caller function in Golang?
Is it possible get information about caller function in Golang? For example if I have func foo() { ... to use CallerMemberName class attribute) See Question&Answers more detail:os...
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go - Instance new Type (Golang)
Can anyone tell me how to create a new instance of Type from a string? Reflect? There are examples but they are ... ) of the language [:(] See Question&Answers more detail:os...
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go - Map with concurrent access
When you use a map in a program with concurrent access, is there any need to use a mutex in functions to read values? See Question&Answers more detail:os...
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Oct 17, 2021
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go - Why are interfaces needed in Golang?
In Golang, we use structs with receiver methods. everything is perfect up to here. I'm not sure what interfaces ... why I need an interface? See Question&Answers more detail:os...
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Oct 17, 2021
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645
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go - How to reduce compiled file size?
Lets compare c and go: Hello_world.c : #include<stdio.h> int main(){ printf("Hello world!"); } Hello_world.go ... (strip Hello_go -> 893K only) See Question&Answers more detail:os...
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814
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go - Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the ... background, duration: 600ms Done See Question&Answers more detail:os...
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Oct 17, 2021
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go
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697
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go - How to get Type representation from name via reflection?
Is there a way to use the reflection libraries in Go to go from the name of a type to its Type ... just get representation from the name? See Question&Answers more detail:os...
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Oct 17, 2021
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606
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go - Why do these goroutines not scale their performance from more concurrent executions?
Background I am currently working on my bachelor thesis and basically my task is to optimise a given code ... benchmarkMoving_avg_concurrent2(b, 261*10, 1) } func BenchmarkMoving...
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Oct 17, 2021
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go - How to collect values from N goroutines executed in a specific order?
Below is a struct of type Stuff. It has three ints. A Number, its Double and its Power. Let's pretend that ... / powers belong to what numbers. See Question&Answers more detail:os...
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go - package's type cannot be used as the vendored package's type
I'm trying to use this Golang Yelp API package. In some of its structs, it uses types defined in guregu's null ... Any Ideas on how to fix this? See Question&Answers more detail:os...
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go
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go - Strange type definition syntax in Golang (name, then type, then string literal)
I've been trying to find out how to use mgo (MongoDB driver for Go) and I came across this struct ... know how to google this either. See Question&Answers more detail:os...
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Oct 17, 2021
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759
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go - How to escape back ticks
MySQL requires tables that shadow reserved words to be back ticked. I have a table Role which is a reserved word, ... (err) } fmt.Println(roles) See Question&Answers more detail:os...
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Oct 17, 2021
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go
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go - Why does fmt.Println inside a goroutine not print a line?
I have the following code: package main import "net" import "fmt" import "bufio" func main() { conn, _ := ... . Can someone explain why that is? See Question&Answers more detail:os...
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Oct 17, 2021
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go
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800
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go - Golang defer behavior
Effective Go states the following regarding defer: The arguments to the deferred function (which include the ... missing something here? See Question&Answers more detail:os...
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Oct 17, 2021
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go
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915
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go - What could happen if I don't close response.Body?
In Go, I have some http responses and I sometimes forget to call: resp.Body.Close() What happens in this case? ... resp or resp.Body be nil? See Question&Answers more detail:os...
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Oct 17, 2021
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go
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857
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go - Access struct property by name
Here is a simple go program that is not working : package main import "fmt" type Vertex struct { X int Y int } ... me how to make this work ? See Question&Answers more detail:os...
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Oct 17, 2021
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go
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go - Max number of goroutines
How many goroutines can I use painless? For example wikipedia says, in Erlang 20 million processes can be created without ... costs 4 - 4.5 KB See Question&Answers more detail:os...
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Oct 17, 2021
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go
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757
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go - Collect values in order, each containing a map
When iterating through the returned map in the code, returned by the topic function, the keys are not appearing in ... ? Here is the code. See Question&Answers more detail:os...
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go
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go - How to stop http.ListenAndServe()
I am using the Mux library from Gorilla Web Toolkit along with the bundled Go http server. The problem is that ... Are there any new solutions? See Question&Answers more detail:os...
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Oct 17, 2021
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go
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936
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go - range over interface{} which stores a slice
Given the scenario where you have a function which accepts t interface{}. If it is determined that the t is ... ://play.golang.org/p/DNldAlNShB See Question&Answers more detail:os...
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Oct 17, 2021
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go
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985
views
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go - How to compare if two structs, slices or maps are equal?
I want to check if two structs, slices and maps are equal. But I'm running into problems with the following ... ://play.golang.org/p/AZIzW2WunI See Question&Answers more detail:os...
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go
0
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839
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1
answer
go - how to listen to N channels? (dynamic select statement)
to start an endless loop of executing two goroutines, I can use the code below: after receiving the msg it will start ... go DoStuff(c2, 9) } } See Question&Answers more detail:os...
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go
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702
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go - Application auto build versioning
Is it possible to increment a minor version number automatically each time a Go app is compiled? I would like to ... . Is this possible in Go? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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go
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814
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go - Accessing struct fields inside a map value (without copying)
Assuming the following type User struct { name string } users := make(map[int]User) users[5] = User{"Steve"} ... don't want to do that either. See Question&Answers more detail:os...
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go
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775
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go - `append` complexity
What is the computational complexity of this loop in the Go programming language? var a []int for i := 0 ... in many languages are implemnted)? See Question&Answers more detail:os...
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go
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921
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go - Using positive-lookahead (?=regex) with re2
Since I'm a bit new with re2, I'm trying to figure out how to use positive-lookahead (?=regex) like JS, C++ ... match 'foo bar ' Thanks a lot. See Question&Answers more detail:os...
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go - How to ignore nulls while unmarshalling a MongoDB document?
I would like to know if there's any approach that would allow me to ignore null types while unmarshalling a ... -go-driver for this problem? See Question&Answers more detail:os...
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