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GO QUESTIONS

Can single defer func() be shared by other functions?
Can single defer func() be shared by other functions?
it fixes the issue You can defer any function. Where that function is defined isn't important.This is perfectly valid:
TAG : go
Date : January 11 2021, 05:14 PM , By : Verbal
How to publish to pubsub with Service Account Key JSON vs Service Account JSON
How to publish to pubsub with Service Account Key JSON vs Service Account JSON
it fixes the issue The reason for the error is that you are using the raw output from the API service.projects.serviceAccounts.keys.create.Look at the output in your question. The key privateKeyData contains the base64 encoded value of the service ac
TAG : go
Date : January 11 2021, 03:28 PM , By : Ike
Issue in Go with appending to []byte, writing to file, and reading it
Issue in Go with appending to []byte, writing to file, and reading it
this will help The code does not split the bytes correctly when an IP address ends with a zero byte. Fix by converting the address to 16 byte representation and store 16 byte records with no delimiters.You can efficiently append a mix of v4 and v6 ad
TAG : go
Date : January 11 2021, 03:26 PM , By : user182203
re-slicing 2d slice in go
re-slicing 2d slice in go
hope this fix your issue If your goal to modify the original []int slice elements when using sub, then copy the elements of a to a new slice. The code in the question modifies a directly.
TAG : go
Date : January 11 2021, 11:39 AM , By : CM.
Is it posible to configure Go Task runner to use fileextension yaml?
Is it posible to configure Go Task runner to use fileextension yaml?
hop of those help? Is there a posibility to configure Go Task runner (https://taskfile.dev/) to use files with file extension "yaml" instead of "yml"? , Task author here.The only way to do it currently is by running:
TAG : go
Date : January 10 2021, 02:04 PM , By : dyarborough
package level collection
package level collection
hop of those help? First you have to declare your global variable using pointer variables
TAG : go
Date : January 10 2021, 02:04 PM , By : ranja
Cast Method with return value to a method with interface{}
Cast Method with return value to a method with interface{}
this one helps. You can't. Change signature of Plugin.Do() to return a value of type defined outside of the plugin (e.g. defined in a 3rd package used by both your app and the plugin), or to return e.g. interface{}.See related questions:
TAG : go
Date : January 09 2021, 02:14 PM , By : joshski
nginx 502 errors consistently with no application errors
nginx 502 errors consistently with no application errors
around this issue Looking at the request_length for each request, we figured out that the requests that are being returned 502 are the ones which have POST data size over 200 KB or so. So, we used the config
TAG : go
Date : January 09 2021, 05:38 AM , By : Randoa
Golang OpenGL line being drawn on Linux but not on Windows10
Golang OpenGL line being drawn on Linux but not on Windows10
around this issue Actually I think the problem is simpler than I first thought: you are calling window.SwapBuffers() each time you draw a line, when you really should just be calling it once at the end of a frame.A buffer swap on a modern system mean
TAG : go
Date : January 06 2021, 03:27 AM , By : Nick
How do I run another executable from a Windows service
How do I run another executable from a Windows service
it should still fix some issue OK, that's much clearer now. Well, ideally you should start with some tutorial on what constitutes a Windows service—I bet tihis might have solved the problem for you. But let's try anyway.Some theory
TAG : go
Date : January 02 2021, 10:54 PM , By : Jason Jennings
Make fmt.sprintf not to replace %s in variables
Make fmt.sprintf not to replace %s in variables
I wish this helpful for you If I wanted to do the following:
TAG : go
Date : January 02 2021, 06:48 AM , By : Randoa
Go package selector based on condition
Go package selector based on condition
this one helps. It is very much a pattern - aside from the dynamic import. It is called „Interfaces“.Given an interface definition like
TAG : go
Date : January 02 2021, 06:48 AM , By : user182548
compile a go source file programmatically
compile a go source file programmatically
this will help You can always save the code to disk and use the Go tooling to run the code via the os/exec package. Go would need to be installed.Or you use a docker container with Go to run the code.
TAG : go
Date : January 02 2021, 06:48 AM , By : apple
What is the proper style and usage of golang Context?
What is the proper style and usage of golang Context?
help you fix your problem svc.Instances.Stop(project, zone, v.Name) returns InstanceStopCallBy calling Context(ctx) you are setting the context to be used in this call's Do method. This allows the HTTP request to be aborted if the context is canceled
TAG : go
Date : January 02 2021, 06:48 AM , By : user109285
golang find first element smaller or equal to given element using sort.Search
golang find first element smaller or equal to given element using sort.Search
I wish this helpful for you In your “less” function, implement “more” instead. You may need to adjust the resulting index by 1.
TAG : go
Date : January 02 2021, 06:48 AM , By : mtnmuncher
deadlock in golang
deadlock in golang
wish helps you The channel c is unbuffered. Communication on an unbuffered channel does not proceed until the sender and receiver are both ready. The program deadlocks because no receiver is ready when the main goroutine executes the send operation.
TAG : go
Date : January 02 2021, 06:48 AM , By : anov
Unable to unmarshal AWS SQS message in GO
Unable to unmarshal AWS SQS message in GO
will be helpful for those in need Folks, , For those who stumble upon this...
TAG : go
Date : January 02 2021, 06:48 AM , By : Guid
When does a channel block a goroutine
When does a channel block a goroutine
Any of those help Sending to a channel with no available buffer space blocks the sender until the send can complete; receiving from a channel with no available messages blocks the receiver until the receive can complete. An unbuffered channel never h
TAG : go
Date : January 02 2021, 06:48 AM , By : user181345
Why code in loop not executed when I have two go-routines
Why code in loop not executed when I have two go-routines
wish help you to fix your issue I'm facing a problem in golang , You have a race condition, run your program with -race flag
TAG : go
Date : January 02 2021, 06:48 AM , By : potix2
Read uint8 from []byte without creating a bytes.Buffer
Read uint8 from []byte without creating a bytes.Buffer
wish of those help Us an index expression to get an single uint8 from a slice.
TAG : go
Date : January 02 2021, 06:48 AM , By : Michael
Args and passing args from position[1] (not position 0)
Args and passing args from position[1] (not position 0)
this one helps. If the values coming it from the config file are in a format executable by shell, you're going to run into a host of problems just splitting on spaces (e.g. quoted arguments containing spaces). If you want to take in a command line th
TAG : go
Date : January 02 2021, 06:48 AM , By : Der Ketzer
How to keep single AWS S3 session in app?
How to keep single AWS S3 session in app?
help you fix your problem bigS3 := s3.New(sess) assigns the value to a new variable local to the function, not the one you want. Change it to:
TAG : go
Date : January 02 2021, 06:48 AM , By : Jµ.
How to convert int16 to hex-encoded string in Golang
How to convert int16 to hex-encoded string in Golang
I think the issue was by ths following , Since fmt.Println doesn't accept format flags, it prints each variable depending on its type.crc16.Checksum returns an int16, so fmt.Println will display the integer value of your hexadecimal string, which is
TAG : go
Date : January 02 2021, 06:48 AM , By : Alex Bartzas
Not able to encrypt using public key in golang
Not able to encrypt using public key in golang
wish helps you In the playground link you shared, your PEM key string is not formatted properly, it needs to be exactly like this:
TAG : go
Date : January 02 2021, 06:48 AM , By : Nosayaba
Go 1.12 modules: local import in non-local import
Go 1.12 modules: local import in non-local import
hope this fix your issue From "Do modules work with relative imports like import "./subdir"?"
TAG : go
Date : January 02 2021, 06:48 AM , By : jgood
How to set a constant to negative value in Go
How to set a constant to negative value in Go
it should still fix some issue I am writing code in Go to call some of the Windows trust and crypt dlls to verify file signatures. There are many constants in wincrypt.h that I have tried to port over verbatim but i've hit some issues with integer ov
TAG : go
Date : January 02 2021, 06:48 AM , By : Don Changer
how to add new currency support to golang.org/x/text/currency
how to add new currency support to golang.org/x/text/currency
this one helps. Considering the Currency Unit represents ISO_4217, and seems fairly complete, you can't extend it directly.You would need to go:
TAG : go
Date : January 02 2021, 06:48 AM , By : user183345
HTTP PUT request handler using go
HTTP PUT request handler using go
like below fixes the issue From https://golang.org/pkg/net/http/ServeMux:
TAG : go
Date : January 02 2021, 06:48 AM , By : Bharath
How to defer an anonymous function returned by a function
How to defer an anonymous function returned by a function
Any of those help Let’s say you have a function that sets up your application server and returns a function that should be run right before your application exits. , Your code does exactly what is expected:
TAG : go
Date : January 02 2021, 06:48 AM , By : Steve M
Correct way of handling an error when implementing Less()
Correct way of handling an error when implementing Less()
it fixes the issue You can't; the closest solution would be to use sort.Slice instead, with a closure you can use to trap the error(s) in the outer scope:
TAG : go
Date : January 02 2021, 06:48 AM , By : anon
golang time.Format() gives different results for the same unix timestamp
golang time.Format() gives different results for the same unix timestamp
wish help you to fix your issue The printed dates are different because they have different timezones.time.Unix() returns the local Time, while time.Parse():
TAG : go
Date : January 02 2021, 06:48 AM , By : user113409
How to make a function received different type as a string
How to make a function received different type as a string
I wish this help you No, you cannot. But for your purpose, you should implement a custom interface.
TAG : go
Date : January 02 2021, 06:48 AM , By : Rohii
How to compile a golang program within the golang code?
How to compile a golang program within the golang code?
I wish this help you Unfortunately I think using exec.Command is your best bet to harness the tools written by the Go community in order to compile your go programs within a go program.
TAG : go
Date : January 02 2021, 06:48 AM , By : Frank Rotolo
Find location of Golang application
Find location of Golang application
it helps some times Use os.Executable to find the path to the executable.
TAG : go
Date : January 02 2021, 06:48 AM , By : Dave M
Created a type alias for big.Int - but I can't Set it using its pointer receiver?
Created a type alias for big.Int - but I can't Set it using its pointer receiver?
will help you That isn't a type alias, it's a new type, and therefor has none of the methods of the underlying big.Int type. A type alias would be type BigInt = big.Int, but then you couldn't define new methods on it. A type's methods are locked to i
TAG : go
Date : January 02 2021, 06:48 AM , By : Novi Indrayani
Should a developer commit Go generated code?
Should a developer commit Go generated code?
With these it helps In general, yes.The reasoning is simple: if I'm a downstream user of your code—that is, I want to merely include your library as a dependency or build your application,—there is no point in creating additional burden on me for bui
TAG : go
Date : January 02 2021, 06:48 AM , By : ap.
Go atomic store followed by atomic load is behaving erratically across routines
Go atomic store followed by atomic load is behaving erratically across routines
hope this fix your issue Because the Set method has a value receiver, the receiver value and any changes to the value are discarded when the method returns. Fix the problem by using pointer receivers.
TAG : go
Date : January 02 2021, 06:48 AM , By : user181706
Two go files having package declaration main inside a package
Two go files having package declaration main inside a package
wish help you to fix your issue You don't have to import app! you're in the same package which is main package.just remove the extra import, and use FunctionOne() no need for app
TAG : go
Date : January 02 2021, 06:48 AM , By : user185283
Will go get command update the package in my local machine
Will go get command update the package in my local machine
I wish this help you The go get command will not update the local copy if there is already a local copy installed.The go get documentation says:
TAG : go
Date : January 02 2021, 06:48 AM , By : user157654
Is the following implementation making my code parallel?
Is the following implementation making my code parallel?
around this issue Your code does run concurrently*, but not necessarily in a very optimal way. You've essentially split your workload into two, and you're running both halves concurrently.
TAG : go
Date : January 02 2021, 06:48 AM , By : Bjørn Lyngwa
Is it possible to compile go code without builtin library that can run on a machine without operating system
Is it possible to compile go code without builtin library that can run on a machine without operating system
it should still fix some issue Simple answer is no. Go relies on the operating system (Windows, linux, macOS, BSD). Go has a runtime designed to work on specific environments https://github.com/golang/go/wiki/MinimumRequirements.There are some open s
TAG : go
Date : January 02 2021, 06:48 AM , By : barefootChild
Can I use an pointer to "error" to catch the return error?
Can I use an pointer to "error" to catch the return error?
Any of those help The parameters to a deferred function are immediately evaluated when defer is reached. Thats why you have to use a pointer if you defer End itself.Instead you can use a closure. Your Bar() function would look like this:
TAG : go
Date : January 02 2021, 06:48 AM , By : jumpingmattflash
Constant global user type values in Go
Constant global user type values in Go
it should still fix some issue No, there is not. Variables are called that because their values can be changed. In Go there is no "final" or similar modifier. Simplicity of the language.Only way to guard a variable from being changed from the outside
TAG : go
Date : January 02 2021, 06:48 AM , By : user143729
shouldn't unreachable code after os.Exit be flagged
shouldn't unreachable code after os.Exit be flagged
help you fix your problem os.Exit() is just like any other function, the compiler should not know it terminates the app and so the rest of the code that follows is unreachable. os.Exit() is just one example and there are more, e.g.log.Fatal() (which
TAG : go
Date : January 02 2021, 06:48 AM , By : cameron
How expensive is os.Getenv?
How expensive is os.Getenv?
may help you . You can benchmark os.Getenv and see how fast it is. By looking at its implementation here, it costs:
TAG : go
Date : January 02 2021, 06:48 AM , By : Lior
Conditional (Dynamic) Struct Tags
Conditional (Dynamic) Struct Tags
will help you You use different types to unmarshal. Basically, you write the unmarshaling code twice and either run the first version or the second. There is no dynamic solution to this.
TAG : go
Date : January 02 2021, 06:48 AM , By : Menno
How to get info about last called func in Go?
How to get info about last called func in Go?
seems to work fine Is it possible to get name of the last called function and args that were passed to?
TAG : go
Date : January 02 2021, 06:48 AM , By : Helpful Dude
Golang not incrementing by 0.1
Golang not incrementing by 0.1
I wish this help you A binary floating-point number can't hold 1/10 exactly, just like a decimal number with a finite number of digits can't hold 1/3 exactly. When you keep adding 0.1 repeatedly, the errors add up to enough that they show up in your
TAG : go
Date : January 02 2021, 06:48 AM , By : James Lupiani
How to set unique at struct Beego
How to set unique at struct Beego
it should still fix some issue According to the documentation, you just add the word "unique" to the tag:
TAG : go
Date : January 02 2021, 06:48 AM , By : boonchew
How to use go importer
How to use go importer
this one helps. Go importer will not download the package for you. You can use dep or go modules to handle your dependencies, but an easy fix would be downloading the package directly to your gopath using go get:
TAG : go
Date : January 02 2021, 06:48 AM , By : Skee
Output from benchmem
Output from benchmem
To fix the issue you can do The benchmark results are gathered in a value of type testing.BenchmarkResult:
TAG : go
Date : January 02 2021, 06:48 AM , By : Pitmairen
Generic panic recovering in go programs
Generic panic recovering in go programs
this one helps. You have to "inject" some code into the function that is launched as a new goroutine: you have to call a deferred function in which you call recover(). This is the only way to recover from a panicing state. See related: Why does `defe
TAG : go
Date : January 02 2021, 06:48 AM , By : user94076
Should database connections be opened and closed in every CRUD method?
Should database connections be opened and closed in every CRUD method?
Does that help You should reuse a DB connection as much as you can. Also gorm has a built-in connection pool, so, you don't need to manage the db handle. Simply share it amongst all goroutines and they can share the handle safely, allocating new conn
TAG : go
Date : January 02 2021, 06:48 AM , By : JackIT
Migrating your App Engine app from Go 1.9 to Go 1.11
Migrating your App Engine app from Go 1.9 to Go 1.11
Does that help The migration document states that App Engine specific uflfetch package is superseded by the net/http package.Replace this code:
TAG : go
Date : January 02 2021, 06:48 AM , By : tayles
How can I get the user's AppData folder path with golang?
How can I get the user's AppData folder path with golang?
like below fixes the issue It resides in user home folder, so you can get user folder and append AppData:
TAG : go
Date : January 02 2021, 06:48 AM , By : MK.
Does delve support hot swapping of changes or some variant?
Does delve support hot swapping of changes or some variant?
hope this fix your issue Delve is an amazing debugger. Does delve support hot swapping of changes or something similar like the java jvm? It takes me a lot of time to copy my code into docker's build vm, then build all the files, then build deploy d
TAG : go
Date : January 02 2021, 06:48 AM , By : BooTeK
Address of Function Receiver Varies Between Methods
Address of Function Receiver Varies Between Methods
help you fix your problem That's simple: when you have var ms myStruct somewhere, calling ms.returnAddress() would pass the address of the ms variable to returnAddress, and that address would always be the same (this is easily verifyable — try it its
TAG : go
Date : January 02 2021, 06:48 AM , By : SA.
How to parse variable depth arrays into a struct from JSON
How to parse variable depth arrays into a struct from JSON
Does that help Use json.RawMessage to capture the value that varies by geometry type:
TAG : go
Date : January 02 2021, 06:48 AM , By : Paulh
Building a small Go program for MIPS with no hardware floating point (softfloat required)
Building a small Go program for MIPS with no hardware floating point (softfloat required)
it helps some times I had to run Go on MIPS one time, and solved the problem by building the kernel with floating point emulation. It's slow but it works.
TAG : go
Date : January 02 2021, 06:48 AM , By : Martin Kopp
Go Interface property is undefined
Go Interface property is undefined
Hope that helps There are a couple of problems here:You can't call a method on an empty interface (interface{}) because the empty interface has no methods defined.
TAG : go
Date : January 02 2021, 06:48 AM , By : Der Ketzer

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