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Tony Finch
Personal blog · fanf.dreamwidth.orgsystemsprogramming
Tony Finch's personal blog at fanf.dreamwidth.org covers systems and programming. Since 2018, 8 different Hacker News readers have linked it 23 times, most often “Leap second hiatus”. It is still writing: the last post was on 2026-09-17, and you can follow it by feed.
Most-linked posts?
- Leap second hiatus2 people · 3 mentions · first linked 2020-11-13
- What Is a Subdomain?2 people · 2 mentions · first linked 2021-03-01
- A Curious Perl Quine2 people · 2 mentions · first linked 2019-04-04
What Hacker News says?
If you use BIND you can set an UPDATE ACL that allows your web server access to change acme challenges only: https://fanf.dreamwidth.org/123294.html
Comment linking /123294.html
on “Let's Encrypt Root Trusted by All Major Root Programs”Submitted Leap second hiatus as a story · 183 points
HN discussionIt is slightly more complicated than that :-) https://fanf.dreamwidth.org/131318.html the actual parse is division->Illegal( zero->by( ((“at” / “tmp”) / “quine”) . line->pl(1.0) ))
Comment linking /131318.html
on “93% of Paint Splatters Are Valid Perl Programs”Submitted Vanishing zeroes for geometric algebra in Rust as a story · 57 points
HN discussionHere’s a bit of clock-related JS animation I did many years ago, which helps to explain how the LED hands work on the Corpus chronophage clock: https://dotat.at/random/clock.html more words on my blog: https://fanf.dreamwidth.org/93037.html I also wrote some notes on a talk given by John Taylor on how he made the Corpus clock https://fanf.dreamwidth.org/96948.html The Wikipedia page asserts that the clock is purely…
Comment linking /96948.html
on “Corpus Clock”Submitted Against /Tmp as a story · 14 points
HN discussionErlang's bitstring syntax has some weird endianness behaviour: it's biased to big-endian and can do weird things with non-byte-aligned little-endian strings. Here's an example based on the old 26-bit ARM program counter - https://fanf.dreamwidth.org/77938.html Some years ago there was some nice work on adding bitdata support to Haskell, aimed at the kinds of things operating systems need to do with hardware (rather…
Comment linking /132484.html
on “Bitstring Matching and Construction in OCaml”Submitted Tolower() in Bulk at Speed as a story · 9 points
HN discussionPreviously on my blog: https://fanf.dreamwidth.org/133823.html Discussion: https://news.ycombinator.com/item?id=25145870
Comment linking /133823.html
on “Earth is whipping around quicker than it has in a half-century”Submitted Leap Second Hiatus as a story · 4 points
HN discussionSubmitted Faster DNS Name Decompression as a story · 3 points
HN discussionSubmitted What Is a Subdomain? as a story · 3 points
HN discussionSubmitted First-class merges and cover letters as a story · 2 points
HN discussionSubmitted Sudon't as a story · 2 points
HN discussionSubmitted Compacting a Qp-Trie (for BIND) as a story · 2 points
HN discussionSubmitted What Is a Subdomain? as a story · 2 points
HN discussionSubmitted Open Source as a Byproduct as a story · 2 points
HN discussionSubmitted DNS-OARC Amsterdam day 2 as a story · 2 points
HN discussionSubmitted An Update on Leap Seconds as a story · 1 points
HN discussionSubmitted Uplift from SCCS to Git (2014) as a story · 1 points
HN discussionSubmitted A Curious Perl Quine as a story · 1 points
HN discussion