16 articles
Practical Go and web development tutorials: concurrency, performance, backend architecture, testing and DevOps — with runnable code examples.
Latest · Go Programming
Go 1.27 finally adds generic methods to the language, promotes encoding/json/v2 into the standard library, ships a uuid package, and makes goroutine leak profiles…
AI Engineering
Prompt caching is a prefix match, and one stray timestamp can silently disable it. How cache breakpoints, TTLs and the usage fields actually work — and how to build…
AI Engineering
How LLM tool use really works in Go: the agentic loop, the SDK's tool runner, parallel tool calls, bounded concurrency, returning errors as tool results, and the…
AI Engineering
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
Protect your Go HTTP APIs with token bucket rate limiting: per-client limiters, middleware, the standard rate limit headers, client-side throttling and when to move…
Go Programming
Stop spawning unbounded goroutines. A practical guide to worker pools in Go using channels, sync.WaitGroup and errgroup.SetLimit — with error propagation,…
Go Programming
How to shut down a Go HTTP server without dropping in-flight requests: signal.NotifyContext, Server.Shutdown, draining background workers, and the timeouts that make…
Go Programming
Replace fmt-style logging with Go's built-in log/slog package: JSON handlers, levels, context-aware loggers, grouped attributes and request-scoped fields, with…
Go Programming
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…
Go Programming
Wondering why use Golang? Explore nine practical reasons — speed, concurrency, tooling and more — that make Go a top choice for modern back-end systems.