--- title: This Week I Learned: 2022W43 | daily.dev description: A collection of weekly learnings covering Neovim's terminal mode and buffer management, Rust's type inference system that analyzes future code usage,... canonical: https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: This Week I Learned: 2022W43 | daily.dev og:description: A collection of weekly learnings covering Neovim's terminal mode and buffer management, Rust's type inference system that analyzes future code usage,... og:url: https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc og:image: https://api.daily.dev/og/posts/x02trtfvc.png og:image:alt: This Week I Learned: 2022W43 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # This Week I Learned: 2022W43 **[Einenlum - Coding amongst alpacas and pinball machines](https://daily.dev/sources/einenlum)** · 3 min read · 0 upvotes · 0 comments ## Summary A collection of weekly learnings covering Neovim's terminal mode and buffer management, Rust's type inference system that analyzes future code usage, containerization tools including Singularity, Unix security practices around PATH variables, and the tr command for string splitting. Includes practical configuration examples for remapping terminal mode exit keys in Vim and demonstrates how Rust's compiler infers types based on downstream usage patterns. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#devtools](https://daily.dev/tags/devtools), [#docker](https://daily.dev/tags/docker), [#rust](https://daily.dev/tags/rust), [#unix](https://daily.dev/tags/unix), [#vim](https://daily.dev/tags/vim) [View this post on daily.dev](https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"This Week I Learned: 2022W43","url":"https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc"},"datePublished":"2026-02-01T08:36:55.475Z","dateModified":"2026-03-15T03:22:50.317Z","description":"A collection of weekly learnings covering Neovim's terminal mode and buffer management, Rust's type inference system that analyzes future code usage,...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e3165bb200ed206ea1b6d8a4cc4ebe6a?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e3165bb200ed206ea1b6d8a4cc4ebe6a?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"Einenlum - Coding amongst alpacas and pinball machines","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Einenlum - Coding amongst alpacas and pinball machines","logo":"https://media.daily.dev/image/upload/s--QoeVvEJY--/f_auto,q_auto/v1769934130/logos/einenlum","url":"https://daily.dev/sources/einenlum"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/this-week-i-learned-2022w43-x02trtfvc","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"devtools,docker,rust,unix,vim","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Einenlum - Coding amongst alpacas and pinball machines","item":"https://daily.dev/sources/einenlum"},{"@type":"ListItem","position":3,"name":"This Week I Learned: 2022W43"}]} ```