Krunal Lathiya

The go test flag: flag provided but not defined error is raised when you’ve provided a command-line flag to go test that it doesn’t recognize. This error message usually occurs when you try to use a flag that has not been defined. One possible reason for this error is that you are using an outdated version … Read more

The go get: warning: modules disabled by GO111MODULE=auto in GOPATH/src warning is raised when you encounter related to the Go module system and your GOPATH. Starting from Go 1.16, Go modules are enabled by default, but your current setup seems to have GO111MODULE set to auto. When set to auto, Go uses the old GOPATH mode … Read more

Go raises panic: runtime error: index out of range when you try to access an element in a slice or an array using an index that is either less than 0 or greater than or equal to the length of the slice/array. package main import “fmt” func main() { numbers := []int{1, 2, 3} fmt.Println(numbers[3]) } … Read more

The panic: sql: unknown driver “postgres” occurs in Go when you try to use the “postgres” driver in your SQL-related code, but the driver cannot be found. This is likely because the PostgreSQL driver for your programming language has not been installed or imported correctly. To fix the panic: sql: unknown driver “postgres”, you need to … Read more

To subtract time.Duration from time.Time value in Golang, you can use the Add() method with a negative duration. The AddDate() function is not suitable for subtracting a time.Duration from a time.Time value because it works with years, months, and days, not durations like hours, minutes, or seconds. package main import ( “fmt” “time” ) func … Read more

The “Cannot find package” error occurs in Go when you run the go build command even though your GOPATH is set, it’s possible that you’re not using Go modules, and your package import paths or directory structure may be incorrect. Here are some steps to help you troubleshoot and fix the issue. Step 1: Make sure … Read more

Go Modules feature simplifies package management and allows you to import local packages without GOPATH. You can organize your project and its dependencies more streamlined using Go Modules. To import local packages using Go Modules, follow the below steps. Step 1: Initialize a new Go module To initialize a new Go module, use the following … Read more