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Jack Wrenn

Personal blog · jack.wrenn.fyi/blog · on HN as jswrennprogrammingsystems

Jack Wrenn's personal blog at jack.wrenn.fyi covers programming and systems. Since 2020, 7 different Hacker News readers have linked it 21 times, most often “Native Reflection in Rust”. It is still writing: the last post was on 2026-03-09, and you can follow it by feed.

Visit the blog
21mentions?
7HN people?
2020–2026first – last linked?
Links on Hacker News per year · peak 7 in 2020

Rust and bikes. But not rusty bikes.

The author on HN?

jswrenn · 953 karma · member since 2015

jack.wrenn.fyi [ my public key: https://keybase.io/jsw; my proof: https://keybase.io/jsw/sigs/5ksJvZggatSVHFut1Re-QCnEWoPMSWaUvHRHU8hqr5A ]

From their public HN profile, which links to this site.

Most-linked posts?

  1. Native Reflection in Rust
    2 people · 3 mentions · first linked 2022-12-15
  2. JavaScript Generators, Meet XPath
    2 people · 2 mentions · first linked 2020-08-23
  3. Typesetting a Resume with HTML and CSS (2021)
    2 people · 2 mentions · first linked 2021-04-27
  4. Safety Goggles for Alchemists
    2 people · 2 mentions · first linked 2024-09-30
  5. The Three Basic Rules of Safety Hygiene
    2 people · 2 mentions · first linked 2025-02-06

What Hacker News says?

  1. I think this title needs a '(2016)' appended to it. Between print stylesheets and paged media, CSS has become one of my favorite ways to typeset documents documents where the layout of individual pages matters greatly. (LaTeX remains my prefered choice for documents where text flows between pages.) I recently wrote up my experience typesetting my resume in HTML/CSS: https://jack.wrenn.fyi/blog/pdf-resume-from-html/

    Comment linking /blog/pdf-resume-from-html/

    on “I forgot about print style sheets (2016)”
  2. Submitted How does Brown University know where you are? as a story · 205 points

    HN discussion
  3. It's an area of active development! I'm hopeful the situation will improve significantly this year. For tracing suspended Futures, I've worked on a few approaches: 1. If you don't mind annotating your async functions, you can use the async-backtrace crate, which provides pretty-printing out-of-the-box: https://crates.io/crates/async-backtrace 2. If you are already using the `tracing` ecosystem, you can use the traci…

    Comment linking /blog/deflect/

    on “Pretty Rust backtraces in raw terminal mode”
  4. Submitted JavaScript Generators, Meet XPath as a story · 101 points

    HN discussion
  5. Submitted Safety Goggles for Alchemists as a story · 46 points

    HN discussion
  6. Submitted Native Reflection in Rust as a story · 29 points

    HN discussion
  7. Submitted JavaScript Generators, Meet XPath as a story · 4 points

    HN discussion
  8. Submitted Safety Goggles for Alchemists: The Path Towards a Safer Transmute for Rust as a story · 3 points

    HN discussion
  9. Submitted Rust's SemVer Snares: `Repr(transparent)` Super-Cut as a story · 3 points

    HN discussion
  10. Submitted Typesetting a Resume with HTML and CSS (2021) as a story · 2 points

    HN discussion
  11. Submitted Three basic rules of safety hygiene in Rust as a story · 2 points

    HN discussion
  12. Submitted The Three Basic Rules of Safety Hygiene as a story · 2 points

    HN discussion
  13. Submitted Rust's SemVer snares: sizedness and size as a story · 2 points

    HN discussion
  14. Submitted Taming Nalgebra's Rustdoc as a story · 2 points

    HN discussion
  15. Submitted Price-Checking Zerocopy's Zero Cost Abstractions as a story · 1 points

    HN discussion
  16. Submitted Rust's SemVer snares: sizedness and size as a story · 1 points

    HN discussion
  17. Submitted Native Reflection in Rust (2022) as a story · 1 points

    HN discussion
  18. Submitted Oh the Crates You’ll Go! A 2022 Rust Retrospective as a story · 1 points

    HN discussion
  19. Submitted Scoped Trait Implementations as a story · 1 points

    HN discussion
  20. Submitted Private methods on a public trait in Rust as a story · 1 points

    HN discussion
  21. Submitted Fixing Include_bytes as a story · 1 points

    HN discussion

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