Introduction
Go is a statically typed language for scalable web and cloud applications.
Read more →Welcome to Go Coder Hub - Your Go Programming Resource
Discover Go Coder Hub, your go-to resource for free Go tutorials and coding guides. Perfect for beginners and intermediate learners!
Basics
Installation
Go installation sets up the latest version with go command for development.
Read more →Running Code
Go programs run via go run or go build with .go files.
Read more →Syntax
Go syntax uses concise declarations and no semicolons for clean code.
Read more →Variables
Go variables use var or := with static typing for clarity.
Read more →Data Types
Go data types include int string and bool with explicit typing.
Read more →Type Inference
Go type inference uses := to assign types automatically.
Read more →Constants
Go constants use const for immutable values with type inference.
Read more →Operators
Go operators include arithmetic and logical with strict type rules.
Read more →If Else
Go if-else statements control flow with simple syntax.
Read more →Switch
Go switch statements handle cases with type switching support.
Read more →Loops
Go loops use for with break and continue for iteration.
Read more →Comments
Go comments use // and /* */ for code documentation.
Read more →Errors
Go errors use error interface with explicit error checking.
Read more →Debugging
Go debugging uses fmt and delve for breakpoints and tracing.
Read more →Best Practices
Go best practices include explicit errors, minimal dependencies.
Read more →Security Basics
Go security ensures safe input handling and HTTPS for APIs.
Read more →Packages
Go packages organize code with import and package declarations.
Read more →Workspaces
Go workspaces manage dependencies with go.mod for projects.
Read more →fmt
Go fmt package formats and prints output with Sprintf.
Read more →log
Go log package provides basic logging with customizable output.
Read more →defer
Go defer delays function calls until surrounding function returns.
Read more →panic and recover
Go panic and recover manage runtime errors with recovery.
Read more →Functions
Functions
Go functions use func with typed parameters and returns.
Read more →Multiple Returns
Go multiple returns allow returning several values with error handling.
Read more →Named Returns
Go named returns define return variables in function signatures.
Read more →Anonymous Functions
Go anonymous functions enable closures with immediate invocation.
Read more →Variadic Functions
Go variadic functions use ... for variable argument lists.
Read more →Closures
Go closures capture variables creating stateful functions.
Read more →Recursion
Go recursive functions call themselves with base case checks.
Read more →Function Types
Go function types define signatures for typed callbacks.
Read more →Interfaces
Interfaces
Go interfaces define behavior with implicit implementation.
Read more →Empty Interface
Go empty interface accepts any type similar to any.
Read more →Type Assertions
Go type assertions extract underlying types from interfaces.
Read more →Type Switches
Go type switches handle multiple types in interface values.
Read more →Structs
Structs
Go structs define custom types with fields and methods.
Read more →Struct Methods
Go struct methods attach functions to structs with receivers.
Read more →Struct Embedding
Go struct embedding composes types for code reuse.
Read more →Struct Tags
Go struct tags add metadata for JSON or database mapping.
Read more →Data Structures
Arrays
Go arrays are fixed-length typed sequences with zero-based indexing.
Read more →Slices
Go slices are dynamic views over arrays with append.
Read more →Maps
Go maps store key-value pairs with make for initialization.
Read more →Concurrency
Channels
Go channels enable goroutine communication with buffered options.
Read more →Goroutines
Go goroutines run concurrent functions with lightweight threads.
Read more →Select
Go select handles multiple channel operations with non-blocking logic.
Read more →Mutex
Go mutex ensures thread-safe access with Lock and Unlock.
Read more →WaitGroup
Go WaitGroup synchronizes goroutines with Add and Wait.
Read more →Atomic Operations
Go atomic operations provide thread-safe updates without locks.
Read more →File I/O
File Reading
Go file reading uses os and ioutil with error handling.
Read more →File Writing
Go file writing uses os.WriteFile with buffered writers.
Read more →File Paths
Go file paths use filepath for cross-platform path handling.
Read more →File Deletion
Go file deletion uses os.Remove with error checks.
Read more →HTTP
HTTP Server
Go HTTP server uses net/http with http.HandleFunc.
Read more →HTTP Client
Go HTTP client uses http.Get for external API calls.
Read more →HTTP Routing
Go HTTP routing uses mux or chi for custom routes.
Read more →HTTP Middleware
Go HTTP middleware chains handlers for logging and auth.
Read more →JSON
JSON Handling
Go JSON handling uses encoding/json for marshaling.
Read more →JSON Encoding
Go JSON encoding uses json.Marshal with struct tags.
Read more →JSON Decoding
Go JSON decoding uses json.Unmarshal with typed structs.
Read more →Web Development
Web Frameworks
Go web frameworks like Gin and Echo simplify API development.
Read more →Gin Framework
Go Gin framework provides fast routing and middleware for APIs.
Read more →Echo Framework
Go Echo framework supports typed routing and REST APIs.
Read more →REST APIs
Go REST APIs use Gin or Echo with JSON responses.
Read more →GraphQL APIs
Go GraphQL APIs use gqlgen for typed queries and resolvers.
Read more →WebSockets
Go WebSockets use gorilla/websocket for real-time apps.
Read more →Authentication
Go authentication uses JWT or OAuth for secure APIs.
Read more →Environment Variables
Go environment variables use os.Getenv for configuration.
Read more →CORS
Go CORS enables cross-origin requests with middleware.
Read more →Logging
Logging
Go logging uses log or zerolog for structured logs.
Read more →Error Logging
Go error logging captures errors with zerolog or logrus.
Read more →Request Logging
Go request logging tracks API calls with middleware.
Read more →Testing
Testing
Go testing uses testing package with TestMain for setup.
Read more →Unit Testing
Go unit testing uses t.Run for organized test cases.
Read more →Integration Testing
Go integration testing validates APIs with httptest.
Read more →Mocking
Go mocking uses gomock for isolated unit tests.
Read more →Benchmarking
Go benchmarking uses testing.B for performance tests.
Read more →Databases
Database Integration
Go database integration uses sql.DB for connection pooling.
Read more →PostgreSQL
Go PostgreSQL uses pgx for typed queries and transactions.
Read more →MongoDB
Go MongoDB uses mongo-driver for document-based data.
Read more →Redis
Go Redis uses go-redis for caching and sessions.
Read more →Database Transactions
Go database transactions use Begin and Commit for integrity.
Read more →ORM
Go ORMs like GORM simplify database queries with structs.
Read more →Examples
REST API
Go REST API with Gin handles CRUD with JSON responses.
Read more →GraphQL API
Go GraphQL API with gqlgen supports typed queries.
Read more →Real-Time Chat
Go real-time chat uses WebSockets with gorilla/websocket.
Read more →File Server
Go file server serves static files with http.FileServer.
Read more →Authentication API
Go authentication API uses JWT for secure endpoints.
Read more →Database CRUD
Go database CRUD with PostgreSQL handles data operations.
Read more →Concurrent Tasks
Go concurrent tasks use goroutines and channels for parallelism.
Read more →API Testing
Go API testing with httptest validates REST endpoints.
Read more →Logging Setup
Go logging setup with zerolog logs requests and errors.
Read more →Dockerized App
Go Dockerized app uses Dockerfile for containerized deployment.
Read more →Explore Our Tools
Go Code Commenter
This page provides the Go Code Commenter tool. Utilize it for your tasks.
Go to tool →Go Code Formatter
This page provides the Go Code Formatter tool. Utilize it for your tasks.
Go to tool →Go Code Snippet Explainer
This page provides the Go Code Snippet Explainer tool. Utilize it for your tasks.
Go to tool →Go Code to Diagram Converter
This page provides the Go Code to Diagram Converter tool. Utilize it for your tasks.
Go to tool →Go Error Explainer
This page provides the Go Error Explainer tool. Utilize it for your tasks.
Go to tool →Go Import Organizer
This page provides the Go Import Organizer tool. Utilize it for your tasks.
Go to tool →Go Struct Tag Generator
This page provides the Go Struct Tag Generator tool. Utilize it for your tasks.
Go to tool →Go Type Reference
This page provides the Go Type Reference tool. Utilize it for your tasks.
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