snippets
Checking if a File or Directory Exists in Go
Learn how to check if a file or directory exists in Go using os.Stat and os.IsNotExist.
Checking if a Slice Contains an Element in Go
Learn how to check whether a Go slice contains a specific element using loops and the slices.Contains function from Go …
Counting Occurrences Using a Map in Go
How to count word occurrences and frequency using maps in Go.
Creating HTTP Middleware in Go
Learn how to create reusable HTTP middleware in Go by wrapping http.HandlerFunc.
Custom JSON Marshaling and Unmarshaling in Go
Learn how to implement custom MarshalJSON and UnmarshalJSON methods for complex types in Go.
Deep Copying Structs in Go
How to create deep copies of structs with nested fields in Go.
Difference Between make() and new() in Go
Understanding the differences between make() and new() functions in Go and when to use each.
Extracting a Substring in Go
Learn how to extract substrings from strings in Go using slice syntax and rune conversion for Unicode-safe operations.
Fan-Out Fan-In Concurrency Pattern in Go
Learn the fan-out fan-in pattern for distributing work to multiple goroutines and collecting results.
Filtering Slice Elements in Go
Learn how to filter slice elements in Go based on a condition, collecting only the matching elements.