a resource for future-me
dev.gf.cx
dev.gf.cx is a resource for future-me — a roadmap for thinking and exercises, and the tools, how-tos, debug recipes, methods, and services I keep reaching for. A place to fold in what I'd otherwise re-derive.
Holding page — seeded and filling in over time. ○ marks a slot waiting for its page.
Tools
- jwt.iodecode & verify JSON Web Tokens
- regex101regex tester + live explainer
- CyberChefencode / decode / crypto swiss-army
- crontab.gurucron expression editor
- transform.toolsJSON ⇄ TS ⇄ schema converters
How-tos
- Seek-safe video re-encode
-bf 0+ faststart — dodges Chrome MediaError 4 on seek - Bunny zone-wide purgeper-URL purge silently fails on a poisoned slice-cache
- Turnstile inside
<dialog>explicitrender()+ gate submit on token - Deploy to CF Pages
wrangler pages deploy .— not git-connected
Debug
- Live Function logs
wrangler pages deployment tail <uuid> - Keyframe / b-frame probe
ffprobe -select_streams v -skip_frame nokey - Resend token vs secret
siteverify—invalid-input-response= secret OK - DNS + HTTP timing
dig +short·curl -w
Methods
- Antifragile ops baselinesix rows every unattended job ships
- Surface baselinefive layers every surface is born with
- Built-with provenanceone shared footer, no drift
- Deep-link foldingdefuse pages — fold items into anchored sections
Services
- home.gf.cxpersonal operating system
- assets.gf.cxshared shelf — cards, media, made-with
- status.gf.cxfleet status hub
- Bunny CDN · Cloudflare · Resendthe externals in rotation
Thinking / exercises
- Design katassmall repeatable exercises for future-me
- Prompt patternswhat reliably gets good work out
- Open questionsthe roadmap — things worth returning to
dev.gf.cx · a resource for future-me · seeded 2026-07-31 · scaffolded by
gfcx_subdomain_new.py,
retrofitted to the assets.gf.cx/new-page template · ○ slots fill in over time