advanced topicsOct 4, 2026
Serving RFC 9110 Range Requests in Go Without an io.ReadSeeker
How kofiadeyemiq/byterange parses HTTP Range headers, caps range counts so a tiny request can't trigger a huge multipart response, and serves 206s from any Open(offset, length) source.
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advanced topicsOct 3, 2026
Arch-Specific SIMD in Go 1.27: Using the archsimd Package
Go 1.27 extends the archsimd experiment to arm64 and wasm. Picking the right intrinsic is the easy part; the Go you write around it is what decides whether the thing is fast.
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advanced topicsOct 1, 2026
Agentbox: the Go CLI patterns behind a self-hosted Claude Code and Codex workspace
How agentbox dispatches subcommands before flag.Parse, guards key rotation with syscall.Flock, and hides Claude Code and Codex behind one Go interface.
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advanced topicsSep 29, 2026
How gchat-go Structures a WebSocket Hub in Go
A walkthrough of akkovman/gchat-go: two goroutines per connection, ping-pong deadlines, and why http.Server.Shutdown leaves WebSockets running.
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advanced topicsSep 28, 2026
Agent Tincan in Go: Cobra Exit Codes, Context Deadlines, and MCP Config Discovery
A read through agent-tincan's Go CLI: typed errors mapped to exit codes, best-effort network calls capped at 5 seconds, and config sniffing that reads before it parses.
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advanced topicsSep 26, 2026
Go 1.27 Size-Specialized Allocation: Why Small Allocations Got Faster
Go 1.27 ships specialized mallocgc functions for allocations of 80 bytes or fewer. How size classes work, why 80 was the cutoff, and what the change means in practice.
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