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  • ./jq Tutorial
    jq is a lightweight and flexible command-line JSON processor.
    Tue Oct 29 11:38:25 2024 - permalink -
    - https://jqlang.github.io/jq/tutorial/
    JSON lic:MIT tool
  • Complex floats and some big root-finding speedups
    The statement "I've found that Aberth performs worse [than Weierstrass-Durand-Kerner] on most examples as its faster convergence is offset by the slower evaluation." is interesting.
    Fredrik Johansson is the author of https://mpmath.org/, https://arblib.org/ and https://flintlib.org/ arbitrary-precision libraries and of the Mathematical Functions Grimoire https://fungrim.org/
    Mon Oct 28 12:17:41 2024 - permalink -
    - https://fredrikj.net/blog/2024/06/complex-floats-and-some-big-root-finding-speedups/
    blog mathematics polynomial root-finding software
  • Overview - statichost.eu
    statichost.eu is a place for publishing your static websites in a privacy- respecting manner. We do not collect, store or process any personal information related to website visits.
    Found on Björn Lindström's page https://elektrubadur.se/about_page/
    Mon Oct 28 11:11:09 2024 - permalink -
    - https://www.statichost.eu/docs/#how-it-works
    politics tool web
  • Orgro: A mobile Org Mode file editor and viewer
    Another Android/iOS app for viewing and editing org-mode files.
    + LaTeX rendering sounds interesting
    Thu Oct 24 14:17:31 2024 - permalink -
    - https://orgro.org/
    Android editor FOSS lic:GPL3 org-mode
  • The Common Lisp Cookbook
    The CL Cookbook aims to tackle all sort of topics, for the beginner as for the more advanced developer. Found on vindarel's blog
    https://lisp-journey.gitlab.io/blog/running-my-4th-lisp-script-in-production/
    Thu Oct 24 12:30:53 2024 - permalink -
    - https://lispcookbook.github.io/cl-cookbook/
    common-lisp lisp reading
  • GitHub - rtrppl/website2org: Turn any website into a minimal Orgmode buffer or .org file.
    website2org.el downloads a website, transforms it into minimalist Orgmode, and presents the results as either a temporary Orgmode buffer or creates an .org file in a specified directory.
    Might be useful for conversion of my few HTML pages to Orgmode.
    Wed Oct 23 15:29:37 2024 - permalink -
    - https://github.com/rtrppl/website2org
    emacs FOSS HTML lic:GPL3 org-mode tool web
  • LTwiki-Wiki for LTspice
    LTwiki is for LTspice, SPICE, and Electronics help.
    Wed Oct 23 12:59:07 2024 - permalink -
    - https://ltwiki.org/index.php?title=Main_Page
    electronics simulation SPICE wiki
  • eugeneandrienko.github.io/README.org - another static site generator based on org-mode
    Found on Sacha Chua's blog https://sachachua.com/blog/2024/10/2024-10-14-emacs-news/, where the link text states
    "Building a blog from Org Mode files using only Emacs". I am not sure whether this is correct, the emacs lisp file has the description
    "org-jekyll.el --- Custom Emacs plugin to operate with my OrgMode+Jekyll blog". Does it need Jekyll?
    His web site https://eugene-andrienko.com/en/ has a "Powered by Jekyll" link.
    Wed Oct 16 17:21:27 2024 - permalink -
    - https://github.com/eugeneandrienko/eugeneandrienko.github.io/blob/master/README.org
    HTML org-mode tool
  • Bob Pease's 4701 VFC (slightly simplified) - CircuitLab
    http://www.philbrickarchive.org/1982_Philbrick_4701-4713-4725.pdf is the data sheet of the Teledyne Philbrick 4701 V/F converter.
    Mon Oct 14 15:35:48 2024 - permalink -
    - https://www.circuitlab.com/circuit/898ha5/bob-peases-4701-vfc-slightly-simplified/
    electronics hardware simulation
  • The Strong Law of Small Numbers
    Examples of patterns which appear in 35 sequences, not all of them hold true as the sequence is extended.
    Found on the MoHP forum, https://www.hpmuseum.org/forum/thread-22461-post-193094.html#pid193094
    Mon Oct 14 13:34:38 2024 - permalink -
    - http://mathsisfun.byethost6.com/k02/k0208xx/Law-of-Small-Numbers.pdf?i=1
    for:mp mathematics reading
  • Reading Jim Williams - Precision instrumentation, vintage oscilloscopes, and monkeys at the zoo.
    Review of Jim Williams' application notes and books.
    Sun Oct 13 12:41:16 2024 - permalink -
    - https://readingjimwilliams.blogspot.com/
    blog electronics Tektronix
  • Standalone port of Rc shell written by Tom Duff with edit, history and completion support.
    Announced on the 9fans mailing list https://marc.info/?l=9fans&m=154827964823547&w=2
    Fri Oct 11 23:42:11 2024 - permalink -
    - https://github.com/benavento/rc
    FOSS plan9 shell software
  • HP Calculator Literature
    Large collection of manuals, handbooks etc. for Hewlett-Packard calculators. Found on a post on the MoHP forum https://www.hpmuseum.org/forum/thread-19886-post-176204.html#pid176204
    Tue Oct 8 15:21:25 2024 - permalink -
    - https://literature.hpcalc.org/
    calculator Hewlett manual Packard reading
  • How to Design a Chip for Under $1,000 (Part 1): Book Recommendations
    First part of a series describing how an ASIC can be designed for the https://efabless.com/tinytapeout project, by Andy Turudic.
    See also the article https://www.electronicdesign.com/blogs/nonlinearities/article/55134043/electronic-design-sothe-z80-is-rising-from-the-deadwith-an-on-chip-dac
    Fri Oct 4 21:01:44 2024 - permalink -
    - https://www.electronicdesign.com/blogs/nonlinearities/article/55140130/electronic-design-how-to-design-a-chip-for-under-1000-part-1-book-recommendations
    ASIC blog book electronics reading TODO
  • Dena Kaffee
    Vietnamese coffee roaster, found in an article in "Standard", 2024-09-28.
    Fri Oct 4 17:27:20 2024 - permalink -
    - https://dena.at/
    coffee german
  • Schematics as Documentation – How to Use Symbols and Annotations Effectively
    Tips for better circuit diagrams, found on https://github.com/iic-jku/Circuit-Designers-Etiquette
    Thu Oct 3 18:49:11 2024 - permalink -
    - https://circuit-artists.com/schematics-as-documentation-how-to-use-symbols-and-annotations-effectively/
    electronics for:me reading TODO
  • Bell Systems Letters and Memos
    Mentioned on the TUHS mailing list https://www.tuhs.org/pipermail/tuhs/2024-September/030872.html
    Some interesting documents are
    There Is No Royal Road to Programs - A Trilogy on Raster Ellipses and Programming Methodology (M. Douglas McIlroy)
    MM 67-4734-7 1967-05-15 2.54 MB An Introduction to the Available Programs and Other Design Aids for the Design of Filters, Equalizers and Other Networks
    MM 67-5311-18 1967-08-29 1.27 MB Notes on the Design of Cosine Roll-Off Filters

    A few days later, Chet Ramey posted https://www.tuhs.org/pipermail/tuhs/2024-October/030946.html the link https://www.telecomarchive.com/bstj.html where the Bell System Technical Journal from 1922 to 1996
    Sun Sep 29 15:34:58 2024 - permalink -
    - https://www.telecomarchive.com/lettermemo.html
    Bell computer history reading
  • Snapshot (computer storage) - Wikipedia
    Learn about LVM snapshots and use them for my backups.
    Found on the tarsnap page https://www.tarsnap.com/snaptime.html
    Wed Sep 25 16:48:01 2024 - permalink -
    - https://en.wikipedia.org/wiki/Snapshot_(computer_storage)
    reading software TODO
  • GitHub - rems-project/sail: Sail architecture definition language
    Sail is a language for defining the instruction-set architecture (ISA) semantics of processors: the architectural specification of the behaviour of machine instructions. Sail is an engineer-friendly language, much like earlier vendor pseudocode, but more precisely defined and with tooling to support a wide range of use-cases.
    Found on the CHERI page https://www.cl.cam.ac.uk/research/security/ctsrd/cheri/
    Wed Sep 25 14:49:22 2024 - permalink -
    - https://github.com/rems-project/sail
    computer hardware language programming
  • Best Practices and Personal Tech Notes by Jeffrey S. Jonas
    Interesting information on hard/symbolic links,file permissions etc.
    Found via the TUHS mailing list https://www.tuhs.org/pipermail/tuhs/2024-September/030853.html
    Wed Sep 25 14:08:29 2024 - permalink -
    - http://ferretronix.com/sut/
    reading Unix
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