The Wiert Corner – irregular stream of stuff

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

  • My badges

    Mastodon

  • Twitter Updates

  • My Flickr Stream

    20140508-Delphi-2007--Project-Options--Cannot-Edit-Application-Title-HelpFile-Icon-Theming20140430-Fiddler-Filter-Actions-Button-Run-Filterset-now20140424-VMware-Fusion-6.0.3.-no-reclaimable
    More Photos

  • Pages

  • All categories

  • Enter your email address to subscribe to this blog and receive notifications of new posts by email.

    Join 1,830 other subscribers

Archive for July 15th, 2026

floating point representation

Posted by jpluimers on 2026/07/15

Like many programmers, in my early days I was totally unaware how floating point values were stored. Even seemingly simple data structures are worth explaining, especially when debugging.

So I was glad getting referenced to [Wayback/Archive] Float Exposed and to [Wayback/Archive] Floating Point Visually Explained which I will quote a few bits below.

About bits: did you notice you can flick on the float.exposed bits to flip them? Try it!

The references came from replies to [Wayback/Archive] Julia Evans on Twitter: “floating point representation”

Read the rest of this entry »

Posted in 8087, Algorithms, Conference Topics, Conferences, Debugging, Development, Event, Floating point handling, Software Development | Leave a Comment »

ASCII Table (Code page 437 – IBM PC) – hexadecimal/decimal – HardwareHacking/ascii.pdf at main · jillesdotcom/HardwareHacking · GitHub

Posted by jpluimers on 2026/07/15

One of the best ASCII tables I have ever come across: [Wayback/Archive] HardwareHacking/ascii.pdf at main · jillesdotcom/HardwareHacking · GitHub is a PDF extended ASCII Table (Code page 437 – IBM PC) – with hexadecimal/decimal markers.

Of course the PDF prints best, but the GitHub [Wayback/Archive] Render below is also quote useful:

Read the rest of this entry »

Posted in ASCII, Development, Encoding, Software Development | Leave a Comment »