All The library Shit | Ciprian Mandache Mostly writing code that does stuff... Mon, 17 Aug 2026 20:19:00 +0000 en-US hourly 1 https://ciprian.51k.eu/upld/2019/02/cropped-terminal-icon-32x32.pngAll The library Shit | Ciprian Mandache 32 32 ctxscope: Stop Threading request_id Through Every Function Signaturehttps://ciprian.51k.eu/ctxscope-context-scoped-log-attributes-go/ Sat, 08 Aug 2026 20:00:42 +0000 https://ciprian.51k.eu/ctxscope-context-scoped-log-attributes-go/Here’s the code everybody writes. A request comes in, you generate an id, and something a few calls down needs to log it: func handleOrder(ctx context.Context, requestID string, o Order) ...]]> slogging: Delete Twenty Lines of slog Boilerplate With One Blank Importhttps://ciprian.51k.eu/slogging-configure-search-ship-slog/ Sat, 08 Aug 2026 09:20:58 +0000 https://ciprian.51k.eu/?p=1385Go 1.21 shipped log/slog and it’s good. What it doesn’t ship is any way to configure it, so every service starts with a version of this: var level slog.Level switch ...]]> essessey: Stream a Turn Anywhere Without Rewriting Ithttps://ciprian.51k.eu/essessey-stream-a-turn-anywhere-without-rewriting-it/ Wed, 05 Aug 2026 15:52:01 +0000 https://ciprian.51k.eu/?p=1364The first version streamed over SSE. Then something needed the same turn over NATS, and I found out I’d built the framing into the wrong layer. event: / data: / ...]]> elelem: Say It Out Loud, You’ll Get Ithttps://ciprian.51k.eu/elelem-say-it-out-loud-youll-get-it/ Tue, 04 Aug 2026 23:53:53 +0000 https://ciprian.51k.eu/elelem-say-it-out-loud-youll-get-it/The moment that decides what kind of library you’re writing is the one where a human has to approve a tool call. Everything is lovely right up until then. The ...]]> aichteeteapee: A Go HTTP Library Named By Someone Who Thinks Spelling Things Out Is Funnyhttps://ciprian.51k.eu/aichteeteapee-a-go-http-library-named-by-someone-who-thinks-spelling-things-out-is-funny/ Sat, 18 Apr 2026 04:24:37 +0000 https://ciprian.51k.eu/?p=1161Say it out loud: aichteeteapee. Go on. Sound it out. Aitch-tee-tee-pee. Yeah. That’s HTTP. I named my Go HTTP library by spelling “HTTP” phonetically and published it with a straight ...]]> goenv: Three Functions, One Env Var, Zero Fucks Givenhttps://ciprian.51k.eu/goenv-three-functions-one-env-var-zero-fucks-given/ Mon, 16 Mar 2026 09:00:00 +0000 https://ciprian.51k.eu/goenv-three-functions-one-env-var-zero-fucks-given/Every service I write needs exactly one piece of information before it does anything else: is this thing running in prod, or is some poor bastard (me, at 2am, half ...]]> gorpitx: Twelve Ways to Turn a Raspberry Pi Into a Broadcast Tower (and a Legal Problem)https://ciprian.51k.eu/gorpitx-twelve-ways-to-turn-a-raspberry-pi-into-a-broadcast-tower-and-a-legal-problem/ Fri, 12 Sep 2025 09:00:00 +0000 https://ciprian.51k.eu/gorpitx-twelve-ways-to-turn-a-raspberry-pi-into-a-broadcast-tower-and-a-legal-problem/When I was building PIrateRF, I had two options. Option one: shell out to a pile of C binaries from rpitx every time I wanted to key up a transmitter, ...]]> ctxerrors: Because Go’s Error Handling Doesn’t Have to Be Complete Shithttps://ciprian.51k.eu/ctxerrors-because-gos-error-handling-doesnt-have-to-be-complete-shit/ Sun, 07 Sep 2025 15:20:44 +0000 https://ciprian.51k.eu/?p=945Look, I’m gonna be straight with you. Go’s error handling is fucking verbose, and debugging without context is like trying to find your keys in a pitch-black room while drunk. ...]]>