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I Built a Lightweight Macro Recorder in Rust (Mostly with an AI Agent)

I got tired of closed-source macro tools. Most of them store macros in binary formats, have poor DPI awareness, and install global keyboard hooks. For a tool that essentially injects input, closed source felt uncomfortable. So I wrote my own. What it is Single ~7 MB .exe , no installer MIT license Macros are plain JSON (easy to edit and diff) Small scripting layer on top: If / While , variables,…

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Storing Customer VAT IDs in PostgreSQL

Originally published at vatnode.dev . The version on vatnode.dev is the canonical source — refer to it for the latest content.

  • Store current VAT ID in mutable column for latest value
  • Log historical validation checks in append-only log
  • Normalize VAT IDs by uppercasing, stripping whitespace

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