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Building a REST API with Go: The Complete TutorialError Handling in Go: Wrapping, Classification, and APIsFan-Out Fan-In in Go: Parallel Work with ChannelsFuzz Testing in Go: Finding Bugs AutomaticallyGeneric Data Structures in Go: Stack, Queue and SetGeneric Functions in Go: Writing Reusable CodeGin in Go: Build and Test a Small JSON APIGo Benchmarking: Measuring Performance with testing.BGo Channel Patterns: Advanced Recipes That WorkGo Channels: Communication Between GoroutinesGo Concurrency Patterns: A Practical CatalogueGo Constraints: comparable, Ordered and Custom SetsGo Context: Cancellation, Deadlines, and Request ValuesGo defer: Cleanup, Ordering, and Common TrapsGo HTTP Client: Timeouts, JSON, and Reliable RequestsGo HTTP Middleware: Build a Production ChainGo Interview Questions: 25 Answers That Show UnderstandingGo Mutex: Protecting Shared State from Race ConditionsGo net/http: Build an HTTP Server from ScratchGo select Statement: Multiplexing Channels ExplainedGo Tools You Need for a Reliable Development LoopGo Tutorial: From First Program to Backend FoundationsGo Type Parameters: Syntax and Constraints ExplainedGo Worker Pool Pattern: Bounded Concurrency at ScaleGo's Garbage Collector Explained: How Memory Is ManagedGo's Type System Deep Dive: Static Typing Done RightGolang Compilation and Execution ExplainedGolang Developer Salary 2026: US, UK and RemoteGolang File Structure for Modules and ApplicationsGolang Hello World and Your First Go ProgramGolang IDEs: Choose an Editor for Your WorkflowGolang Interfaces: What They Are and How to Use ThemGoroutine Leaks in Go: How to Detect and Prevent ThemGoroutines in Go: Concurrency Without LeaksHow to Download and Install Golang SafelyHow to Learn Golang with a Focused Study PlanIntegration Testing in Go: Testing Real BoundariesJSON in Go: Encoding, Decoding, and ValidationLearn Golang with a Practical Beginner CourseMocking in Go: Test Doubles Without Magicsync.WaitGroup in Go: Coordinating Multiple GoroutinesTable-Driven Tests in Go: The Idiomatic WayTesting in Go: Table Tests, HTTP, Fakes, and CoverageWhat Is Go and How Does a Go Program Work?Why Learn Golang and What Is Go Used For?Writing Unit Tests in Go: A Practical Guide
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Go concurrency

Goroutines, channels, synchronization, cancellation, select, and production concurrency patterns.

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Lesson 1 · Tutorial · Go 1.21+

Go Context: Cancellation, Deadlines, and Request Values

Learn Go context with practical cancellation, timeout, HTTP request, and goroutine examples.

Read tutorial Lesson 2 · Tutorial · Go 1.21+

Go Mutex: Protecting Shared State from Race Conditions

A golang mutex tutorial that proves the race first, then teaches Lock/Unlock, RWMutex, the copy bug, atomics, and the frank mutex-vs-channel call.

Read tutorial Lesson 3 · Tutorial · Go 1.21+

sync.WaitGroup in Go: Coordinating Multiple Goroutines

A tested golang waitgroup guide: the Add/Done/Wait counter model, the copy-by-value deadlock, the Add-inside-goroutine race, and Go 1.25's WaitGroup.Go.

Read tutorial Lesson 4 · Tutorial · Go 1.21+

Go select Statement: Multiplexing Channels Explained

Learn Go's select statement with tested code: the random-choice rule, non-blocking default, timeouts, the nil-channel trick, and context cancellation.

Read tutorial Lesson 5 · Tutorial · Go 1.21+

Go Worker Pool Pattern: Bounded Concurrency at Scale

Build a Go worker pool with tested code: bounded concurrency, error propagation, context cancellation, correct channel closing, and how to size the pool.

Read tutorial Lesson 6 · Tutorial · Go 1.21+

Goroutines in Go: Concurrency Without Leaks

Learn how goroutines run, how to wait for them, propagate errors, cancel work, and prevent leaks.

Read tutorial Lesson 7 · Tutorial · Go 1.21+

Go Channels: Communication Between Goroutines

Learn Go channels, buffering, closing, range, ownership, pipelines, and cancellation with practical examples.

Read tutorial Lesson 8 · Tutorial · Go 1.21+

Goroutine Leaks in Go: How to Detect and Prevent Them

Detect and fix golang goroutine leaks with tested code: runtime.NumGoroutine, the pprof goroutine profile, go test leak checks, and per-cause fixes.

Read tutorial Lesson 9 · Tutorial · Go 1.21+

Fan-Out Fan-In in Go: Parallel Work with Channels

Learn Go fan-out fan-in with tested code: parallelize work across workers, merge results, restore order, cancel on failure, and carry per-item errors.

Read tutorial Lesson 10 · Tutorial · Go 1.21+

Go Channel Patterns: Advanced Recipes That Work

Advanced Go channel patterns with tested code and real output: or-done, tee, bridge, semaphores, heartbeats, and exactly when to reach for each.

Read tutorial Lesson 11 · Tutorial · Go 1.21+

Go Concurrency Patterns: A Practical Catalogue

A tested catalogue of Go concurrency patterns: generator, fan-out, pipeline, worker pool, semaphore, or-done, and graceful shutdown, with use-when notes.

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