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  • Software Design for Flexibility: How to Avoid Programming Yourself into a Corner : Hanson, Chris, Sussman, Gerald Jay: Amazon.de: Bücher
    It was mentioned on a Lisp-related site or mailing list, I do not recall which one.
    Tue Jun 14 13:31:05 2022 - permalink -
    - https://www.amazon.de/Software-Design-Flexibility-Programming-Yourself/dp/0262045494/ref=sr_1_1?crid=1YPOS25JJZHWR&keywords=software+design+for+flexibility&qid=1655201644&s=books&sprefix=Software+Design+for+Flexibility%2Cstripbooks%2C278&sr=1-1&asin=0262045494&revisionId=&format=4&depth=1
    book lisp programming Scheme
  • RTC Calibration program - SwissMicros Calculator Forum
    Program to determine the calibration value needed to correct for the frequency error of dm42s' RTC.
    Mon Jun 13 15:58:37 2022 - permalink -
    - https://forum.swissmicros.com/viewtopic.php?f=19&t=2212
    calculator Hewlett Packard time TODO tool
  • free42 Random Math Stuff
    Polynomial root finder for {dm,hp}42s using Laguerre's method. Found on https://forum.swissmicros.com/viewtopic.php?p=20091#p20091
    The Emacs tools for {dm,hp}42 code on https://richmit.github.io/hp42/hp42s-meta.html and the
    Lisp library http://www.mitchr.me/SS/mjrcalc/ look interesting too.
    Mon Jun 13 15:52:20 2022 - permalink -
    - https://richmit.github.io/hp42/math.html#org670c9bb
    algorithm calculator common-lisp emacs Hewlett Laguerre lisp numerical org-mode Packard root-finding tool
  • Re: [DNG] fdisk SD card partitioning question
    The best way to use SD-Cards in Linux only environments is to format them with f2fs file system. f2fs was developed by Samsung with internal behavior of embedded MMC memory devices in mind. Which is pretty the same like an SD-Card. With f2fs you also have
    uid/gid as usual and it will help to improve the endurance and
    performance of an SD-Card.
    Mon Jun 13 11:15:01 2022 - permalink -
    - https://lists.dyne.org/lurker/message/20220613.073432.09700b83.en.html
    f2fs filesystem Linux TODO
  • SCCS - The POSIX standard Source Code Control System.
    An open source implementation of SCCS, found via https://www.tuhs.org/pipermail/tuhs/2022-June/025898.html
    The comparison to RCS on http://sccs.sourceforge.net/sccs_vs_rcs.html appears to be one-sided, but then I am probably biased towards RCS, which was the first version control software I have used.
    http://sccs.sourceforge.net/sccs_invention.html sounds like an interesting read.
    The last message on the mailing list https://sourceforge.net/p/sccs/mailman/sccs-devel/?viewmonth=201510 I found had been written 2015-10.
    According to https://de.wikipedia.org/wiki/J%C3%B6rg_Schilling, the author Jörg Schilling passed away on 2021-10-10.
    TODO: find out the license
    Fri Jun 10 13:29:39 2022 - permalink -
    - http://sccs.sourceforge.net/
    FOSS SCCS software TODO version-control
  • Snow - a place to share Scheme programs, libraries and data
    Snow is a place to share Scheme programs, libraries and data. Currently we host only R7RS libraries, though we may expand to more dialects in the future.
    Found via a link on https://weinholt.se/articles/cond-expand-and-ifdef/
    I tried to run the trivial program
     (define ! (n) (if (< n 2) 1 (* n (! (1- n)))))
     (display (! 10))
    on http://chibi-scheme.appspot.com/, but got an error message about not being able to enlarge memory arrays.
    Fri Jun 10 10:23:46 2022 - permalink -
    - https://snow-fort.org/
    lisp on-line Scheme software
  • EFF's New Wordlists for Random Passphrases | Electronic Frontier Foundation
    Improved word lists for dice-generated passphrases, found via https://michael.kjorling.se/password-tips/
    Thu Jun 9 13:55:16 2022 - permalink -
    - https://www.eff.org/deeplinks/2016/07/new-wordlists-random-passphrases
    security TODO tool
  • Real-World Cryptography
    Found on https://crypto.stackexchange.com/questions/71053/soft-question-what-are-examples-of-beautiful-proofs-in-cryptography?
    Tue Jun 7 17:24:27 2022 - permalink -
    - https://www.manning.com/books/real-world-cryptography
    book cryptography
  • Free Whois Lookup - Whois IP Search & Whois Domain Lookup | Whois.com
    Tue Jun 7 11:35:46 2022 - permalink -
    - https://www.whois.com/whois/
    on-line tool
  • rpirtscts is a simple linux command for enabling the hardware flow control pins for the ttyAMA0 serial port on the Raspberry Pi.
    Found on Jamie Zawinsky's blog https://www.jwz.org/blog/2016/10/export-termaaa-60/#comment-169515
    Tue May 31 23:53:30 2022 - permalink -
    - https://github.com/mholling/rpirtscts
    pi raspberry software π
  • ELEKITSORPARTS - Lixie clock
    Found via rtl-sdr.com where the packet radio modem https://elekitsorparts.com/product/npr-70-modem-by-f4hdk-new-packet-radio-over-70cm-band-amateur-radio-packet-radio was mentioned.
    Tue May 31 21:12:44 2022 - permalink -
    - https://elekitsorparts.com/product/the-lixie-clock-new-and-modern-nixie-rgb-led-clock
    electronics hardware radio
  • What is gVisor? - gVisor
    gVisor is an application kernel, written in Go, that implements a substantial portion of the Linux system call interface. It provides an additional layer of isolation between running applications and the host operating system.
    Found on https://marc.info/?l=9fans&m=165401374021100&w=2
    Tue May 31 18:52:17 2022 - permalink -
    - https://gvisor.dev/docs/
    Go Linux operating-system plan9 software
  • Knowledge/Quick_Review_of_RPi_Zero_2_W.md at master · ThomasKaiser/Knowledge · GitHub
    Interesting review of the Raspberry π 2 W, found via a link on Jamie Zawinsky's blog
    https://www.jwz.org/blog/2018/12/advanced-linux-sound-architecture/#comment-195132
    See also the https://ownyourbits.com/2019/02/02/whats-wrong-with-the-raspberry-pi/
    Mon May 30 11:51:32 2022 - permalink -
    - https://github.com/ThomasKaiser/Knowledge/blob/master/articles/Quick_Review_of_RPi_Zero_2_W.md
    hardware pi raspberry reading review software π
  • tym - Time rsYnc Machine
    A backup utility based on rsync with the approach popularized by the Time Machine of Apple. Found on the Wikipedia entry for rsync https://en.wikipedia.org/wiki/Rsync
    See also the following links for rsync-based backup tools
    https://rsnapshot.org/ written in Perl.
    http://www.lbackup.org/
    Mon May 30 11:11:33 2022 - permalink -
    - http://dragoman.org/tym/
    backup rsync shell TODO
  • Polynomial Rootfinder repost
    The HP 48 object listed below in ->ASC form is a high-performance polynomial root finder. Those of you who remember the HP 71B Math Pac will recognize this as the same as the PROOT command from that Pac; it is in fact the same assembly-language code, given an RPL front end to operate in the HP 48.
    Found on https://www.hpmuseum.org/forum/thread-10967-post-160700.html#pid160700
    See also http://www.jeffcalc.hp41.eu/emu71/mathrom.html#src for the uncommented source code of PROOT and other functions of the HP71B math pack.
    Sat May 28 19:20:00 2022 - permalink -
    - https://groups.google.com/g/comp.sys.hp48/c/JD9LSLeIYyE?hl=en&pli=1#f5b79053a9650902
    algorithm Hewlett Laguerre mathematics numerical Packard root-finding
  • Quiver, a graphical editor for commutative and pasting diagrams
    quiver is a modern, graphical editor for commutative and pasting diagrams, capable of rendering high-quality diagrams for screen viewing, and exporting to LaTeX via tikz-cd. See also the github page https://github.com/varkor/quiver
    Fri May 27 11:34:34 2022 - permalink -
    - https://q.uiver.app/
    editor graphical-programming LaTeX tikz tool
  • DuckDuckGo Privacy Browser - Apps on Google Play
    Web browser presumably protecting users' privacy better than Chrome or Firefox.
    Found via https://arstechnica.com/gadgets/2022/04/duckduckgo-announces-a-new-privacy-focused-mac-web-browser/ and https://www.jwz.org/blog/2022/04/contra-chrome/#comment-234265
    Tue May 24 14:10:07 2022 - permalink -
    - https://play.google.com/store/apps/details?id=com.duckduckgo.mobile.android&hl=en_US&gl=US
    Android browser privacy TODO
  • Trix: A rich text editor for everyday writing
    Found on  Jamie Zawinsky's blog https://www.jwz.org/blog/2022/04/wysiwyg-wordpress-comments/
    Tue May 24 11:33:19 2022 - permalink -
    - https://trix-editor.org/
    editor JavaScript on-line web
  • GitHub - x-hw/amazing-qr: 💮 amazing QRCode generator in Python (supporting animated gif) - Python amazing 二维码生成器（支持 gif 动态图片二维码）
    Found on Jamie Zawinsky's blog https://www.jwz.org/blog/2022/04/this-is-magical/
    Tue May 24 11:26:06 2022 - permalink -
    - https://github.com/x-hw/amazing-qr
    humor Python QR-code tool
  • athornton | The UNIX-HATERS Handbook, a review
    Just what it says. The author had read the handbook soon after it came out and has revisited it 25 years later. He also offers interesting comments about most of the competing operating systems. See also
    Making old systems accessible via the web https://athornton.dreamwidth.org/14733.html
    Exploring old unixes https://athornton.dreamwidth.org/14340.html
    Wed May 18 10:00:53 2022 - permalink -
    - https://athornton.dreamwidth.org/14272.html
    book computer history operating-system Unix
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