01Word · PowerPoint
How to fix the wrong proofing language in Word and PowerPoint
A practical guide to separating keyboard settings, automatic language detection and proofing-language metadata stored inside Word and PowerPoint documents.
Technical guides
Technical guides for web, software and automation.
Architecture, migration and operations decisions explained through CECO Lab projects and tools, with documented sources and scope limits.
02Windows · GitHub Actions
How to work with GitHub Actions self-hosted runners on Windows
A practical guide to understanding, installing and operating GitHub Actions self-hosted runners on Windows, including queues, local resources and security boundaries.
03WordPress · Astro · SEO
When it makes sense to migrate from WordPress to Astro
A practical guide to deciding whether a WordPress site fits Astro better, mapping content and URLs, planning redirects and reducing SEO migration risk.
04Caddy · Node · GitHub
How to publish static sites and Node apps with Caddy and GitHub
A practical guide to separating build, local serving, Caddy, HTTPS and GitHub deployment when self-hosting static sites or Node applications.
05Excel · CSV · Norma 43
How to convert Excel or CSV bank statements to Norma 43 safely
A practical guide to converting XLS, XLSX or CSV bank statements to Norma 43 without confusing column mapping with balance, currency and file validation.