advanced topicsOct 11, 2026
How once Caches Command Output in Go: Unix Sockets, HMAC Keys, and Wall-Clock Expiry
A walkthrough of alex0ptr/once, a Go CLI that caches stdout in a background daemon over a Unix socket, with HMAC cache keys and wall-clock expiry.
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advanced topicsOct 9, 2026
How godiff Parses Large Git Patches Fast in Go
A look at godiff's Go internals: bufio.Scanner buffer limits, single-pass patch parsing, and bounded word-level diffs.
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advanced topicsOct 8, 2026
kube-bmc: Modeling Server Hardware as Kubernetes CRDs in Go
How kube-bmc exposes IPMI and Redfish baseboard controllers as Kubernetes objects, and which Go API patterns transfer well to other operators.
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advanced topicsOct 7, 2026
Testing a Stellar Corridor Monitor in Go: Snapshots, Injected Clocks, and Exit Codes
Three tricks stellar-pathfinder uses to keep a Stellar corridor monitor testable in Go: recorded HTTP snapshots with hashes, clocks passed as arguments, and exit codes that mean something.
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advanced topicsOct 6, 2026
How uptimy/agent Builds Its HTTP API with net/http, ServeMux Patterns, and Context Keys
No router library, no framework. Just net/http and a few patterns from uptimy/agent worth copying: method-aware routes, a typed context key, a login that does the same expensive password work for unknown users, and one blank import that saves you a production bug.
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advanced topicsOct 5, 2026
How Gemini-Config-Checker Uses Go to Find and Drive a Chromium Browser
The Go patterns behind Gemini-Config-Checker: injecting os.Getenv and exec.LookPath so path discovery is unit-testable, build tags for the registry lookup, and why the configs stay as maps.
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