Latest · AI Engineering
How to Test Go Code That Calls an LLM
Non-determinism does not have to mean untestable. Wrapping the model behind an interface, faking it in unit tests, golden files for prompt assembly, and the small…
4 articles
Error Handling
Practical Go and web development tutorials: concurrency, performance, backend architecture, testing and DevOps — with runnable code examples.
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AI Engineering
Calling an LLM from Go: Streaming, Timeouts and the Parts That Bite
A practical guide to wiring Claude into a Go service with the official SDK: content blocks, adaptive thinking, streaming, context deadlines, typed errors and the…
Go Programming
Worker Pools in Go: Bounded Concurrency with errgroup
Stop spawning unbounded goroutines. A practical guide to worker pools in Go using channels, sync.WaitGroup and errgroup.SetLimit — with error propagation,…
Go Programming
Error Handling in Go: Wrapping, Sentinel Errors and errors.Is/As
A practical guide to Go error handling — wrapping with %w, sentinel errors, custom error types, errors.Is and errors.As, and where each one belongs in a real…