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I'm implementing a JSON parser. According to JSON rules, a number can be an integer, a negative number, a decimal, or use exponent notation, like 42, -42, 3.14, 0.5, 1e10, 2.5e-3 I currently have a ...
Score of 2
0 answers
78 views

I am maintaining an internal Go library, which has a pubsub package. Currently, it doesn't support message ordering, but I would like to enable it. I want to make it as simple as possible by using ...
Score of 2
1 answer
103 views

I'm looking at golang library https://gioui.org/ When I run a hello world example: package main import ( "image/color" "log" "os" "gioui.org/app&...
Score of 0
0 answers
87 views

I created a simple method for the app data struct in Go: func (a *app) route(s *store.Storage) *chi.Mux { tokenAuth := jwtauth.New("HS256", []byte(s.JWTSecret), nil) mux := chi....
Score of 1
1 answer
129 views

I need to generate a set of evenly spaced numeric values covering a given range. This is mainly intended for things such as chart axes, scales, thresholds, and similar UI representations. Simply ...
Score of 2
1 answer
109 views

When using the new encoding/json/v2 package, and unmarshaling some JSON, it will potentially return a json.SemanticError error. As far as I can see, json.SemanticError is returned when the JSON is ...
Score of -1
0 answers
129 views

This error puzzles me, and I believe a more in-depth analysis could help clarify the issue: I cannot say for certain whether the behavior described below is legitimate or an actual error in ...
Score of 1
2 answers
126 views

I am working on a web app with the following architecture: The frontend is a React app written in TypeScript. The "backend" is written in Go, and compiled to WASM for distribution with the ...
Score of -1
1 answer
428 views

In a Go program I got this error message: fatal error: concurrent map writes The message is shown in the terminal window of VS Code. But in my log there is nothing, which make sense because log....
Score of 2
2 answers
336 views

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(), ...
Score of 1
1 answer
235 views

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 ...
Score of 4
0 answers
262 views

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 ...
Score of -1
2 answers
199 views

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 ...
Score of 0
4 answers
341 views

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 &...
Score of 1
0 answers
105 views

package browser import ( "context" "log" "os" "os/exec" "time" "sync" "path/filepath" "...

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