74,472 questions
Score of 2
1 answer
73 views
How can I implement Java-like enums in Go?
Unlike Go's iota-based enums, Java enums are singleton objects. Each enum constant is a unique instance that can carry additional state and behavior, while also providing name(), ordinal(), values(), ...
- reputation score 21360
Score of 1
0 answers
119 views
Supabase Go: invalid character 'B' looking for beginning of value
I am working on a web crawler using Go and Supabase. This section of code throws an error when the length of the newLinks slice is above a certain number -- I haven't been able to determine what that ...
- reputation score 137
Score of 2
0 answers
101 views
I have an fs.FS, and use WalkDir. How can I get the "real" full path to an entry it finds?
In the past I've used the version of WalkDir that is not based on fs.FS, but I recently tried changing to the fs.FS-based one so that I could more cleanly do unit testing. But now I feel like I'm not ...
- reputation score 1271
Advice
0
votes
3
replies
168
views
How do I make web interactive maps with GO and React?
I am making pet-project with Go and React. I want to make web app, that for start, shows your location on a interactive world map. How should I make app logic with Go and React, so it would be ...
- reputation score 11
Advice
0
votes
4
replies
192
views
How can I check whether a string contains only digits in Go?
In Python, I can use the str.isdigit() method to check whether a string contains only numeric characters.
For example:
"12345".isdigit() # True
"123a".isdigit() # False
&...
- reputation score 1
Score of 1
0 answers
52 views
Chromedp initialization fails on warmup with "chrome failed to start" in Windows
package browser
import (
"context"
"log"
"os"
"os/exec"
"time"
"sync"
"path/filepath"
"...
- reputation score 39
Score of 2
1 answer
98 views
How to convert to a different type depending on architecture?
I am trying to fix the compilation of file overlay/tun_freebsd.go in module github.com/slackhq/nebula on armv7 FreeBSD. This file uses the syscall.Iovec structure, which is defined as
type Iovec ...
- reputation score 95153
Score of -3
0 answers
52 views
Go SDK "Cannot recognize the token" when calling upsert with a custom function
I'm writing daily k-line data to DolphinDB DFS through the Go SDK. I have a custom function defined on the server side for batch upserting:
def dayKlineUpsertBatch(t, data) {
return t.upsert!(data,...
- reputation score 1
Score of -1
0 answers
81 views
Electron.js + React + Go (Fiber) build issue: React UI blank screen when backend is bundled, but works when running backend separately
I am building a desktop application using Electron.js with a React frontend and a Go (Fiber) backend.
During development (npm run dev), everything works perfectly. However, I am facing an issue when ...
- reputation score 1
Score of 1
1 answer
172 views
Goroutines leaking after context cancellation in fan-out/fan-in worker pool
I have a fan-out/fan-in worker pool that's supposed to stop all workers when the context is cancelled, but under heavy load with short timeouts, the goroutine count keeps climbing and never recovers.
...
- reputation score 3477
Advice
0
votes
3
replies
193
views
httpclient and (decorating) middleware in golang
I am trying to grasp (and sofar failing) to exactly grasp how the following code example works. It wraps (decorates) a standard http.client with 2 middleware functions (Logger and BasicAuth) that are ...
- reputation score 61
Tooling
0
votes
0
replies
109
views
How to watch files in Go with debouncing and glob pattern support?
When using fsnotify directly in Go, saving a single file triggers 4 to 5 raw events per save. For example saving a file in VSCode produces WRITE, CHMOD, WRITE, RENAME and CREATE events all from one ...
- reputation score 1
Score of 1
1 answer
136 views
Error when running a .exe Go program if I add a line break in the import
I'm running into a strange error when running the .exe that I built from a simple Go script I'm making, when I try to run the .exe it gives the following error and deletes the .exe file:
Translation: ...
- reputation score 47
Score of -1
1 answer
101 views
Compile code from executed command in code
I'm developing a hacking system that involves compiling hacking scripts to be injected in a CTF server. My goal is to compile each script from executing go build from Go code because the CTF server ...
- reputation score 361
Score of 2
1 answer
94 views
Gotk4 NewMessageDialog doesn't take the message_format argument
I use github.com/diamondburned/gotk4/pkg/gtk/v4. I'd like to create a modal dialog, like this:
dialog := gtk.NewMessageDialog(
&window.Window,
gtk.DialogModal|gtk.DialogDestroyWithParent,
...
- reputation score 106
