}

Articles tagged "golang"

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5 min readBeginner

Go error: "imported and not used" — Fix Unused Import Compile Error

Fix the Go compiler error "imported and not used". Learn why Go enforces this rule and the 4 ways to resolve it: remove the import, use it, blank import, or goimports.

6 min readIntermediate

Fix 'nil pointer dereference' Panic in Go (2026)

Fix Go's 'nil pointer dereference' runtime panic. Covers nil pointers, nil interfaces, nil maps, uninitialized structs, stack trace reading, and nil-safe patterns.

6 min readBeginner

Fix 'undefined: functionName' Error in Go (2026)

Fix the Go 'undefined: functionName' compile error. Covers wrong package, unexported names, typos, missing imports, and circular imports with before/after code.

6 min readBeginner

Fix Golang 'undefined: function' Error — All Causes (2026)

Fix the Golang 'undefined: functionName' compile error. Covers missing imports, wrong package, typos, unexported names, and wrong module path with before/after code.

7 min readBeginner

Most Common Golang Errors and How to Fix Them (2026)

The most common Golang errors in 2026 with fixes: undefined function, nil pointer, type mismatch, unused variables, and more. Step-by-step solutions with code.

8 min readBeginner

Most Common Golang Errors and How to Fix Them (2026)

Quick-reference guide to the most common Golang errors in 2026. Table of errors with 1-line fixes, plus deep-dive links for each error type.

11 min readIntermediate

compile: version does not match go tool version — Fix in 60 Seconds

Fix "compile: version does not match go tool version" in Go. Caused by GOROOT mismatch, stale PATH, or multiple Go installs. Copy-paste fix for Linux, macOS, and Windows.

3 min readBeginner

Go Type Conversion Guide: rune to int, string to int, int to string (2026)

Complete Go type conversion guide 2026: rune to int with int(), string to int with strconv.Atoi, int to string with strconv.Itoa, byte to string, int64 conversions. All with working code examples.

3 min readBeginner

Fix Go Error: runtime.main_main·f: function main is undeclared [Solution]

Fix the Go error "runtime.main_main·f: function main is undeclared in the main package". Learn the causes and step-by-step solutions with code examples.

2 min readIntermediate

Using bettercap for wifi wardriving using Raspberry pi

In this tutorial we explain how to configure a raspberry pi to use bettercap for wireless wardriving. In particular we use the caplet airodump.cap. We also recommend which hardware to use for wardriving with a raspberry pi. Following this steps you will be able to install bettercap on a raspberrypi.