Go Code Snippets

Learn basic techniques for encoding and decoding data in Go using built-in and standard libraries.

Learn how to utilize the defer statement in Go for resource management and cleanup tasks.

Learn how to effectively use environment variables in Go applications for configuration management

Learn how to create, use, and manipulate maps in Go, including best practices and performance tips.

An essential guide to using slices in Go, covering slice creation, manipulation, and performance tips

Learn how to initialize variables, data structures, and packages effectively in Go

Learn how to perform input validation in Go to ensure data integrity and security.

Learn about interfaces in Go, how to use them effectively, and some common use cases

Understand how to use panic and recover to handle unexpected errors in Go applications

Learn about pointers in Go, including allocation and dereferencing, with examples and best practices.

Learn how to read user inputs from the console in Go using the bufio package and other standard approaches

Learn how to effectively use switch statements in Go, a versatile control structure for decision making

Learn how to utilize type embedding in Go to compose behavior and enhance code flexibility.

Learn how to use reflection in Go to inspect and manipulate types and values

Learn how to use structure annotations in Go to control JSON marshalling and database interactions

Learn how to use build tags in Go to control build processes for different environments and configurations

Learn how to embed static files into Go binaries using the embed package introduced in Go 1.16

Techniques and best practices for reducing build sizes in Go applications.

Learn how to build command-line interface (CLI) applications in Go using built-in and external libraries

Learn how to use go generate to automate code generation in Go projects

Learn how to generate Go code using text templates for dynamic content and code generation tasks.

Explore how to use reflection in Go for generating code dynamically

Explore how to create and manipulate arrays in Go, including various operations such as accessing elements, iterating, and slicing.

Learn how to implement and use Bloom filters in Go.

Implement double-ended queues (dequeues) in Go using slices and demonstrate their functionality.

Learn how to implement graph data structures in Go using adjacency list and matrix representations

Learn how to utilize heaps in Go using the container/heap package for efficient priority queue management

Explore how to implement and use linked lists in Go with code examples and best practices

Learn how to effectively use maps in Go for various tasks, including creation, access, and iteration.

Implement priority queues in Go using the container/heap package.

Learn how to create and use queue data structures effectively in Go with examples from built-in and standard libraries.

Learn how to create and manipulate sets in Go using basic data structures and packages

Discover how to implement Skip Lists in Go for efficient data structure operations

Learn how to implement and use stack data structures in Go

Learn how to implement and use Trie data structures in Go for efficient prefix-based searches

Learn how to use atomic types in Go for safe concurrent programming with the sync/atomic package.

Understand how to use channels to communicate between goroutines in Go.

Explore concurrency strategies with data structures in Go to achieve safe and efficient access and modifications.

Understand how to use contexts in Go to manage and control concurrent operations effectively

Learn how to leverage goroutines for concurrent execution in Go

Learn how to use mutexes in Go for synchronizing shared resources

Learn how to identify and handle race conditions in Go using standard library tools.

Learn how to use select statements in Go to manage multiple channel operations concurrently.

Learn how to implement semaphores in Go for concurrency control using channels.

Learn how to manage goroutine synchronization effectively using wait groups in Go

Understand and implement worker pools in Go for efficient concurrent processing.

Learn how to effectively use context chains in Go to manage cancellations and timeouts across goroutines

Implementing graceful shutdowns in Go to ensure smooth termination of applications by cleaning up resources efficiently.

Learn how to manage timeouts in Go using the context package for more efficient and scalable applications.

Learn how to use Go contexts to propagate values within your application

Learn how to implement checksums in Go using standard libraries to ensure data integrity.

Learn how to generate and verify digital signatures in Go using the crypto package

Learn how to perform encryption and decryption in Go.

Learn how to use hashing algorithms in Go using the built-in crypto package

Implement secure key exchange using the crypto/ecdh package for establishing shared secrets

Learn secure password handling in Go using bcrypt for hashing and validation

Learn how to generate random numbers in Go using the crypto and math packages for cryptographic and non-cryptographic purposes

Learn how to use SQL databases in Go using the database/sql package

Learn how to interact with SQLite databases in Go using the modernc.org/sqlite/driver package

Learn how to analyze memory allocations in Go to optimize performance and find potential issues

Discover how to use CPU profiling to optimize Go applications using built-in pprof support.

Learn how to effectively debug Go applications using the Delve debugger with practical examples.

Learn techniques and tools to identify performance bottlenecks in Go applications.

Understand how to read and analyze stack traces from Go applications to troubleshoot effectively

Learn how to efficiently trace Go programs for debugging using Go’s built-in tracing tools and packages.

Learn how to leverage the GODEBUG environment variable for debugging Go applications

Learn how to implement distributed locks in Go using various techniques.

Learn how to implement leader election in distributed systems using Go with an example

Learn how to define and use custom error types in Go to improve error handling and clarity.

Understand how to handle errors effectively in Go with idiomatic approaches and examples

Dive into error wrapping techniques in Go for better error handling and debugging.

Understand how to work with errors in Go using errors.As and errors.Is for type and value comparison.

Create and extract archives using Go archive/tar and archive/zip packages

Learn how to create directories in Go using the os package

Learn how to retrieve and list files in a directory using Go

Learn how to read from and write to files in Go using the os and io packages

Learn how to write to and read from CSV files in Go using the encoding/csv package

Learn how to efficiently write and read JSON files in Go using the encoding/json package

Learn how to write to and read from XML files in Go using the encoding/xml package

Learn how to write and read YAML files in Go using the go-yaml package

Explore how to implement comparable and ordered interfaces using generics in Go, enhancing code type safety and reusability.

Explore how to implement generic data structures using Go generics, introduced in Go 1.18.

Explore how to use Go generics to write type-safe, reusable code with examples and best practices.

Learn how to handle HTTP errors in Go using the net/http package

Learn how to build RESTful APIs in Go using the net/http package

Learn how to make HTTP calls in Go using the net/http package and understand best practices and performance tips

Learn how to route HTTP requests using both the enhanced standard library and third-party libraries in Go.

Learn how to serve static files using Go with the net/http package

Learn how to set request timeouts for HTTP clients in Go, ensuring that your application handles network delays gracefully.

Explore the uses of the blank identifier in Go for effective coding and error handling

Learn how to define and use constants in Go, and understand immutability with examples.

Learn how to use Go iota for creating enumerations efficiently.

Learn how to utilize multiple return values in Go functions for cleaner and more informative code.

Understand and use named return values for improved code clarity and handling of multiple values in Go functions.

Learn about type parameters in Go and how to use them effectively in generic programming.

Learn how to handle different character encodings in Go using standard and third-party packages

Learn how to format dates and numbers in Go for localization using standard libraries.

Learn how to localize strings in Go applications using the go-i18n library.

Learn how to handle pluralization in internationalized Go applications, ensuring accurate translations across languages.

Learn how to manage language packs in Go for application localization

Understanding and configuring logging levels in Go for effective application logging

Learn how to log messages to files in Go using standard libraries and best practices

Learn how to implement structured logging with context in Go applications for better traceability and debugging

Learn how to implement structured logging in Go using the built-in slog package.

Understand how to profile Go programs for memory usage using the runtime/pprof package.

Understand how Go handles memory management and learn practical examples of its usage.

Reduce memory usage by canonicalizing comparable values using the unique package

Use the weak package to build memory-efficient caches and canonicalized value maps

Learn how to create and manage Go modules effectively in your development workflow

Learn how to properly version Go modules using semantic versioning and the Go command line tools.

Learn how to perform DNS queries and resolve domain names in Go using the net package

Learn how to interact with FTP servers in Go using the goftp library.

Learn how to implement an NTP client in Go to synchronize time with an NTP server.

Learn how to implement SSL and TLS in Go for secure network communications using the crypto/tls package

Learn how to implement TCP clients and servers in Go using the net package

Learn how to use the UDP protocol in Go for network communication

Learn how to implement WebSockets in Go using the gorilla/websocket package for real-time communication.

Learn how to write platform-specific code in Go using build constraints and other techniques.

Learn how to manipulate Abstract Syntax Trees (AST) in Go using the go/ast and go/token packages

Explore some of the commonly used built-in functions in Go for fundamental operations

Learn how to use CGO to call C libraries and functions from Go code, along with best practices and common pitfalls.

Learn how to work with assembly code in Go using the asm package

Explore Go compiler directives to influence compilation and behavior of your Go programs.

Learn about the Go memory model, its importance, and how it affects concurrency in Go applications.

Learn how to use function closures effectively in Go programming to maintain state and encapsulate logic

Explore how to use functional options to create flexible and maintainable APIs in Go

Use Go iterators and the iter package for functional programming patterns and efficient data processing

Learn how to create and use variadic functions in Go for flexible function arguments.

Optimize garbage collection in Go programs for improved performance

Explore methods for performance optimization in Go using built-in compiler features and techniques.

Learn how to manage GOMAXPROCS in Go for optimal performance in concurrent applications.

Optimize JSON parsing and serialization in Go with tips and practical code snippets

Learn how to efficiently preallocate slices in Go for improved performance and memory management

Learn techniques to minimize memory allocations in Go applications for improved performance.

Explore zero-copy techniques in Go to optimize memory usage and improve performance by minimizing data copying.

Learn how to manage dependencies in Go using the dep tool and Go Modules, the recommended approach for dependency management.

Discover the standard project layout conventions in Go and learn how to organize your Go projects effectively.

Learn to implement gRPC clients in Go, leveraging the popular gRPC library for efficient remote procedure calls.

Learn how to implement gRPC servers in Go using the google.golang.org/grpc package

Explore how the Go scheduler works and how it manages goroutines efficiently.

Explore runtime package utilities in Go for inspecting program behavior at runtime

Learn how to gather and interpret runtime statistics in Go using the runtime package.

Learn how to prevent Cross-site Scripting (XSS) attacks in Go applications using standard libraries.

Learn how to securely configure HTTPS and TLS in Go applications using the crypto/tls package.

Learn how to generate, parse, and validate JSON Web Tokens (JWTs) in Go using the go-jose library

Learn how to secure your Go code by using the gosec tool to find common vulnerabilities.

Learn how to serialize and deserialize data in Go using the gob package

Learn how to serialize and deserialize JSON in Go using the encoding/json package

An introduction to using Protocol Buffers for object serialization in Go using the protobuf Go library

Explore the container package in Go, which provides implementations of fundamental data structures like heaps, linked lists, and rings.

Learn how to manipulate file path operations using the Go filepath package

Learn how to use the fs package to interact with the file system in Go.

Use the maps package for common map operations like cloning, equality checking, and iteration

Explore how to use the os package in Go for interacting with the operating system.

Learn how to parse structured text in Go using the text/scanner package

Understand how to use the reflect package in Go for runtime type reflection.

Learn how to use Go's sort package to sort slices efficiently.

Learn how to use the strconv package in Go for conversions between strings and other types.

Explore the token package in Go for tokenizing text.

Explore the capabilities of the types package in Go for type checking and manipulation

Understand the use of the unsafe package in Go and its implications with practical examples.

Explore how to use the bufio package in Go for efficient I/O operations on large data streams

Learn how to perform character escaping in Go strings efficiently with practical examples.

Explore how to work with regular expressions in Go using the regexp package.

Explore efficient ways to build strings in Go using the strings.Builder and other techniques.

Learn how to compare strings in Go efficiently.

Learn how to efficiently concatenate strings in Go using various methods and best practices.

Learn how to perform string conversions in Go, including basic and advanced use cases.

Learn how to format strings in Go using built-in functions and best practices.

Learn how to split and join strings in Go using built-in functions in the strings package

Understand and implement the Stringer interface in Go to customize string representations of your types.

Learn how to trim leading and trailing space characters from strings in Go using the strings package

Learn how to handle Unicode strings in Go using native string capabilities and standard library functions.

Learn how to handle operating system signals in Go using the os/signal package

Learn how to use memory-mapped files in Go for efficient file I/O operations using the golang.org/x/exp/mmap package.

Learn how to manage system processes in Go, including starting, stopping, and querying process information.

Learn how to make system calls in Go using the syscall and os/exec packages

Discover how to use HTML templates in Go for web development using the html/template package

Learn how to generate and manage text templates in Go using the text/template package

Learn how to use assertions in Go tests to enhance test reliability and readability.

Learn how to benchmark your Go code using the testing package to measure performance and optimize accordingly

Explore how to perform fuzz testing in Go using built-in fuzzing support

Discover how to perform integration testing in Go, focusing on testing multiple package functionalities together with the testing package.

Learn how to use mock objects in Go tests to isolate and test units of code effectively

Learn how to execute tests in parallel in Go to reduce testing time and improve efficiency.

Discover how to use race detection tools in Go to identify and fix data races in concurrent programs.

Learn how to implement table-driven tests in Go for comprehensive and maintainable unit testing.

Learn how to measure and improve test coverage in your Go applications using the `go test` tool.

Test concurrent Go code with virtualized time using the testing/synctest package

Learn how to effectively use subtests in Go for better test organization and clarity.

Learn how to compare and manipulate dates in Go using the time package

Learn how to format time in Go using the time package

Learn how to measure code execution time in Go using the time package

Learn how to parse time strings in Go using the time package.

Learn how to handle time zones efficiently in Go for applications that require date and time manipulation across different regions.

Learn how to effectively document your Go code using the go doc tool for better maintainability and readability.

Explore how to format Go code automatically using the go fmt tool

Explore using Go Lint to improve your Go code quality and standards

Learn about Go telemetry for contributing anonymous usage data to improve the Go toolchain

Learn how to leverage go vet for static code analysis in Go projects