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go - Get execution ID for Google Cloud Functions triggered from PubSub event
For Google Cloud Functions triggered from HTTP, it is possible to retrieve the execution id by inspecting the headers ... by a PubSub event? See Question&Answers more detail:os...
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go - Should a Firestore client be created per a request with Google App Engine?
I'm confused on how to approach this. It seems to be that GAE wants every client library to use a context. ... as well in previous iterations... See Question&Answers more detail:os...
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go - Why can't I change the values in a range of type structure?
This is my first post so please "Go" easy on me. :) ... I am quite familiar with many traditional ... Thanks in advance for your advice. See Question&Answers more detail:os...
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go - Sleeping by Fractions of a Time Duration
Can someone tell me why this works: s := time.Hour/73.0 fmt.Println("sleeping: ", s) time.Sleep ... (mismatched types time.Duration and float64) See Question&Answers more detail:os...
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go - How to get the string representation of a type?
Let's say I have the following type defined: type ID uuid.UUID How would I get the type as string in ... it, also from an Interface. See Question&Answers more detail:os...
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go - Undefined err variable
As a Go "newb" I'm not sure why I'm receiving the errors undefined err and undefinded user in the console ... 'm getting errors about the user. See Question&Answers more detail:os...
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go - How to cancel goroutines after certain amount of time
I am making a load testing tool that makes multiple HTTP calls in goroutines, and it works, but now I am ... CALL_TIME_RAN_OUT: return } } } See Question&Answers more detail:os...
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go - Querying mongodb from golang using the _id stored in an array
So here is my question. I have an array which are stored the _ids of mongodbs objects. Whats the right way to ... query).All() Thanks in advance See Question&Answers more detail:os...
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go - Plugin symbol as function return
I'm running into a Go behaviour which I don't understand. My idea is to import a plugin which implements an ... your plugin in such a case? See Question&Answers more detail:os...
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go - Type func with interface parameter incompatible error
I have declared a new type func that takes any value that conforms to interface{}. However, when I invoke a ... in argument to b return } See Question&Answers more detail:os...
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go - Golang pass nil value as an interface through reflection
I have a function with interface argument: func f(e error) { if e == nil { fmt.Println("YEY! NIL") // ... : https://play.golang.org/p/V0bMSPcCKI See Question&Answers more detail:os...
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go - Read log file from the end and get the offset of a particular string
.e.g. 1. logfile Start Line1 Line2 Line3 End I am able to get the seek position of Line1 when I read ... which I think would be more efficient. See Question&Answers more detail:os...
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go - Terminating or aborting an HTTP request
What's the way to abort my API serving with some error message? Link to call my service: http://creative. ... not the caller function (request). See Question&Answers more detail:os...
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go - How to get total size of a drive in Windows
I want to get total size of a drive in Go on windows using standard windows api call; I found this to get ... of special drive for example C: See Question&Answers more detail:os...
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go - Stop json.Marshal() from stripping trailing zero from floating point number
I got the following problem: My golang program converts some information into JSON. For example it results in the ... Value must be a Float See Question&Answers more detail:os...
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go - Compare error message in golang
Let's say I create a new error in golang like so err := errors.New("SOME_COMMON_ERROR_CODE") In java, I'm used ... } How is this done in golang? See Question&Answers more detail:os...
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go - How to Unmarshal an inconsistent JSON field that can be a string *or* an array of string?
I am having trouble Unmarshalling some Json I don't have control over. There is one field that 99% ... MyListItem.display_name of type string See Question&Answers more detail:os...
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go - golang: goroute with select doesn't stop unless I added a fmt.Print()
I tried the Go Tour exercise #71 If it is run like go run 71_hang.go ok, it works fine. However, if you use go ... /golang.org/pkg/", }, }, } See Question&Answers more detail:os...
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go - How to convert hex to float
I have to convert hex, represeneted as strings (e.g. "0xC40C5253") to float values (IEEE-754 conversion). I did ... else { fmt.Println(f) } } See Question&Answers more detail:os...
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go - How do you create a slice of functions with different signatures?
How do you create a slice of functions with different signatures? I tried the code below but its feels hack-ish. Do ... to do too much with Go? See Question&Answers more detail:os...
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go - Appending one element to nil slice increases capacity by two
I have a nil slice: var s1 []int // len(s1) == 0, cap(s1) == 0 Which I append one element to: s2 := append( ... appended to it: [1,0] // s2[0:2] See Question&Answers more detail:os...
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go - json.Unmarshal nested object into string or []byte
I'm trying to Unmarshal some json so that a nested object does not get parsed but just treated as a string ... of type []uint8 playground demo See Question&Answers more detail:os...
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go - import subpackages with golang, by importing parent dir?
I have this main.go file: package main import "one/entities/bar" func main(){ } I have this dir structure: When ... Req.Headers{} log.Fatal(v) } See Question&Answers more detail:os...
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go - Zip content inside folder without the root folder
I want to zip some directory inside content into zip file e.g. assume i've this directory structure dir1 file1. ... way in GO to achieve this? See Question&Answers more detail:os...
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go - Adding Arbitrary fields to json output of an unknown struct
In this stackoverflow post it's explained how to add arbitrary fields to a golang struct by using it as ... JSON output of printStructPointer? See Question&Answers more detail:os...
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go - Default struct values
In Go I get that there are default values for types. Take int in this case which is initialised as a 0. I ... testIntOne: 0} log.Println(s) } See Question&Answers more detail:os...
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go - Reflection: Struct by string
Let's assume I have this struct with a method: package main import ( "fmt" "reflect" ) type MyStruct ... the method on a string: PlayGround See Question&Answers more detail:os...
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go - Persisting custom set data type using GORM golang
I have created a custom Set Data type in go, which i am using to define one to many relationships. For example in ... a.Add(item) } return a } See Question&Answers more detail:os...
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