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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for August 19th, 2021

Windows chocolatey Wireshark install: ensure you install nmap too, so you have a pcap interface for capturing!

Posted by jpluimers on 2021/08/19

Wireshark is indispensable when doing network communications development or DevOps.

This is my choco-install-network-tools.bat batch file to install Wireshark and the pcap dependency which nmap provides:

choco install --yes nmap
:: wireshark requires a pcap for capturing; nmap comes with npcap which fulfills this dependency
:: see:
:: - https://chocolatey.org/packages/wireshark
:: - https://chocolatey.org/packages/win10pcap
:: - https://chocolatey.org/packages/WinPcap
:: - https://chocolatey.org/packages/nmap
choco install --yes wireshark

Yes, I know: Windows Subsystem for Linux could have an easier installation, but the above:

See:

–jeroen

Posted in *nix, *nix-tools, Communications Development, Development, Internet protocol suite, nmap, Power User, Software Development, Windows, Windows 10, Windows 8.1, WSL Windows Subsystem for Linux | Leave a Comment »

A storage history thread by @Foone: from USB Floppy drive back to Shugart via UFI/ATAPI/SCSI and everything in between

Posted by jpluimers on 2021/08/19

Quite some interesting bits in [WayBack] Thread by @Foone: “So if you want to use a USB floppy drive, you use a USB protocol called the UFI: Uniform Floppy Interface. What’s UFI? A way to embed ATAPI […]”

Via [WayBack] Kristian Köhntopp on Twitter: “PC Hard drive and floppy disk interfaces, and the people and companies that made them.”

https://twitter.com/isotopp/status/1174609922316783616

–jeroen

Read the rest of this entry »

Posted in Development, Hardware Development, History, Power User | Leave a Comment »

html – How can I scale the content of an iframe? – Stack Overflow

Posted by jpluimers on 2021/08/19

I used [WayBack] html – How can I scale the content of an iframe? – Stack Overflow as starting point to scale some iframes.

In my case, I had to scale up (by a 25% so a factor 1.25) instead of scale down.

What I observed so far in recent Chrome versions is:

  1. The wrapping div is still needed, otherwise the outer size and inner size of the frame mismatches
  2. The wrapping div and the wrapped iframe need to have the same dimensions (so unlike the Stack Overflow answers, no need to scale the width/height of the div; keep the same values as the iframe)

The div uses class calendar_wrap.

The iframe uses class calendar_iframe.

This is part of my CSS:

body {
      margin: 0; /* override browser setting for body `margin: 8px;` */
      overflow: hidden; /* remove scroll bars; does not work for iframes  */
    }

    /* ... */

    iframe {
      border-width: 0; /* override browser setting for iframe `border-width: 2px; */
      height: 100vh;
      width:   50vw;
      overflow: hidden; /* remove scroll bars; does not work for iframes  */
    }

     /* wrap and iframe zoom as per https://stackoverflow.com/questions/166160/how-can-i-scale-the-content-of-an-iframe */
    .calendar_wrap {
      float: left;

      height: 70vh;
      width:  35vw; /* calc(35vw / 1.25); */

      padding: 0;
      background-color: blue;
    }

    .calendar_iframe {
      float: left;

      width:  35vw;

      -ms-transform: scale(1.25);
      -moz-transform: scale(1.25);
      -o-transform: scale(1.25);
      -webkit-transform: scale(1.25);
      transform: scale(1.25);

      -ms-transform-origin: 0 0;
      -moz-transform-origin: 0 0;
      -o-transform-origin: 0 0;
      -webkit-transform-origin: 0 0;
      transform-origin: 0 0;
    }

    /* ... */

–jeroen

Posted in Chrome, CSS, Development, HTML, Power User, Software Development, Web Browsers, Web Development | Leave a Comment »