1. CLI Arcana: Saved webpage

    A candidate installment of the mostly-only-imagined series Command-line arcana**

    Perhaps the most arcane invocation I regularly direct into a terminal emulator window these last few years is:

    mv !$??* !$

    Those familiar with the intricacies of bash, particularly history expansion and parameter expansion patterns, probably won't be challenged by this very much …

    Tagged as : bash cli
  2. When bits bite

    From a putative but so far mostly just imagined series "Reading The Economist During Pandemic Confinement"

    The Schumpeter column in the July 18, 2020 issue of The Economist, entitled When bits bite enumerates several problems with enterprise software, illustrated with recent examples.

    The through-line example is VW's problems with the …

    Tagged as : Economist IT VW Boeing
  3. Direction, not just magnitude

    A basic concept in mathematical physics is the distinction between a scalar and a vector. The first has a magnitude only, the second has a magnitude and a direction.

    The concept is broadly applicable but a typical example to illustrate the point notes the difference between speed and velocity. Two …

    Tagged as : strategy goals
  4. Digging Debian package paths

    I went to startup vim just now because I wanted to see the charity solicitation message that runs when it starts up. Turns out I don't have vim proper installed.

    $ vim
    
    Command 'vim' not found, but can be installed with:
    
    sudo apt install vim       
    sudo apt install vim-gtk3  
    sudo apt …
  5. Storms, with ice

    Previously I gathered some links about an idiosyncratic collection of storms that I was aware of because of some local connection, or because they had been big enough for me to hear about them when they happened even though they were remote from me.

    I did not include anything about …

  6. Top git commands

    The bot in the #git channel on freenode holds links to recommended reading. A couple of these were invoked in the last week or so not long before I wandered into the channel (via Esc A in irssi) so I was able to notice them.

    One of them is a …

    Tagged as : git cli hfoss
  7. Early encouragement

    From Introduction: Getting Started of the TIMEX User Manual: TIMEX/Sinclair 1000

    by Steven Vickers with revisions by C.F. Durang

    © 1982 Timex Corporation

    © 1982 Sinclair Research Limited

    Welcome to the world of computing. Before you plug in your new Timex/Sinclair 1000, please take a moment to think about …

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