# Undo-Redo and Persistent State with Tom Ballinger Page: https://stenobird.com/podcast/software-unscripted-5320480/undo-redo-and-persistent-state-with-tom-ballinger Text version: https://stenobird.com/podcast/software-unscripted-5320480/undo-redo-and-persistent-state-with-tom-ballinger.md Podcast: [Software Unscripted](https://stenobird.com/podcast/software-unscripted-5320480) Published: 2024-07-12T04:46:25+00:00 Episode link: https://shows.acast.com/software-unscripted/episodes/undo-redo-and-persistent-state-with-tom-ballinger Audio file: https://sphinx.acast.com/p/open/s/664fde3eda02bb0012bad909/e/6690add59155232601815057/media.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/software-unscripted-5320480/episodes/undo-redo-and-persistent-state-with-tom-ballinger Duration seconds: 3568 ## Resource Richard talks with Tom Ballinger about undo and redo in the context of REPLs and running effects, stateful systems in general, hot code loading, and database query planning. Hosted on Acast. See acast.com/privacy for more information. ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/software-unscripted-5320480/episodes/undo-redo-and-persistent-state-with-tom-ballinger/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/software-unscripted-5320480/undo-redo-and-persistent-state-with-tom-ballinger.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.