Human folly for 02022-09-16

older newer index

• (eng.libretexts.org):

  #FFT #algorithms #performance with blocking and cache-oblivious approaches

• Rope science (xi-editor.io):

  #Raph Levien’s treatise on #algorithms with #ropes and their #performance in his #editor Xi

• Understanding gzip (blog.za3k.com):

  #gzip #compression #algorithms and file format in depth

• Feldspar (zlib.net):

  the confusing parts of the #gzip and #deflate #compression #algorithms

• Zstd compression format (github.com):

  #zstd #compression #algorithms and file format

• (nitter.net):

  zeynep’s embarrassing error claiming that Canada’s #covid omicron mortality rate was five times that of the US

• The wetware crisis the themocline of truth (brucefwebster.com):

  The "Thermocline of Truth", the level in a hierarchy above which truth cannot rise

• My first billg review (joelonsoftware.com):

  Joel Spolsky on why non-programmers shouldn’t manage programming organizations

• Can your static type system handle linear algebra (yosefk.com):

  Yossi Kreinin on the difficulty of expressing the type of things like matrix multiplication in a static type system

• Install (ftp.openbsd.org):

  #OpenBSD runs on #SuperH 4

• Install (ftp.openbsd.org):

  also #OpenBSD runs on the Motorola 88000

• Daily images (d-i.debian.org):

  but #Debian only runs on arm, arm64, s390x, i386, amd64, mips, mips64, powerpc, and ppc64; even RISC-V isn’t getting daily images built yet

• (buildd.debian.org):

  but #Debian autobuilds for alpha, amd64, arc (!?), arm64, hppa, i386, ia64, m68k, mips, mips64, ppc, ppc64, rv64 (#RISC-V), s390x, sh4, and sparc64, plus some endianness variants

• (j-core.org):

  the #J2 is a free #SuperH clone that can run Linux, unrelated to the J1, J1A, and J1B. Seems dead since 02016 though.

• VT52 FPGA (github.com):

  Andres Navarro’s GPL-licensed #VT52 #terminal #gateware in Verilog, 2000 LUTs including USB, PS/2, and VGA, with no processor; buildable with Icestorm #retrocomputing

• (gigatron.io):

  The Gigatron TTL implements an 8-bit computer in 39 chips (mostly CMOS rather than TTL, including one microcontroller); one 8-bit operation per 6.25 MHz cycle. #retrocomputing #hardware

• Index (robkalmeijer.nl):

  an article from 01953 on building a #radio around a point-contact germanium transistor, by George M. Rose, K2AH, who built the first radio transmitter using one. “the tiny devices that may revolutionize the electronic art” #hardware

• Sign git with SSH (calebhearth.com):

  signing #git commits with #ssh keys. #crypto

• Bazel build (earthly.dev):

  when to use #Bazel? #builds

• Optar (ronja.twibright.com):

  Twibright "Optar", a printable #barcode for #archival on paper: 200 kB per page. “The printer, although having 600dpi nominal resolution, cannot reliably print individual white and black dots with 600dpi. The practical limit is at 200dpi, i. e. 3x3 pixel squares.”

• FAQ (github.com):

  another #barcode #archival system, "qr-backup", which uses ordinary QR codes

• A change of direction for Sparkfun (hackster.io):

  #interview about on #Sparkfun’s creation of the #Artemis module for low-power computation using #Ambiq #Apollo3

• (digikey.be):

  more on the #Artemis #Ambiq #Apollo3 module, including recommended footprints, overview of marketing feature list, notes on the reset circuit, and #tutorial screenshots of the Arduino IDE to guide you through getting started

• Arduino Apollo3 (github.com):

  the #Sparkfun #Artemis #Ambiq #Apollo3 module support files for #Arduino

• All (learn.sparkfun.com):

  in-depth notes on the #Sparkfun non-Artemis #Apollo3 board and getting it working with either the #Arduino IDE or with the #Ambiq Suite SDK; #tutorial including speech recognition and image recognition

• Item (news.ycombinator.com):

  #Mudge got fired from #Twitter and testified before #USA Congress about its #security malpractice; New Yorker article

• X86 calling conventions (en.wikipedia.org):

  #amd64 and #i386 calling conventions

• Why we Cant move a 64 bit immediate value to memory (stackoverflow.com):

  the movabsq instruction in #amd64 is needed to load a 64-bit immediate

• Futurist predictions (danluu.com):

  #futurism and incompetence in #predictions