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

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Archive for September 9th, 2025

Excel: sorting an array on 3 different columns using functions

Posted by jpluimers on 2025/09/09

Given Excel is the most popular functional language (see the video under my post “Everybody should have an obsession with Lisp-like language at least once in their life” @KevlinHenney), this post is on sorting with Excel functions.

I had an array in Excel starting at row 2 (to exclude the headings) where I had to sort on 3 different columns: C, A, B (or numerically 3, 1, 2) so [Wayback/Archive] sorting – How to multi level sort an array in excel, using formulas? I am aware about the way, using SORT button on DATA tab – Stack Overflow (thanks [Wayback/Archive] Armaan Gohil and [Wayback/Archive] Jos Woolley) didn’t fully apply but did put me on the right track as I wasn’t aware that the SORT function allows to specify multiple columns using an embedded array argument.

The functions that worked:

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Posted in Development, Excel, Functional Programming, Office, Power User, Reddit, SocialMedia, Software Development | Tagged: | Leave a Comment »

vx-underground (@vxunderground) / Twitter

Posted by jpluimers on 2025/09/09

I thought I had been living under a stone for decades when I bumped into vx-underground (@vxunderground) / Twitter

The largest collection of malware source code, samples, and papers on the internet.

Password: infected

That appeared to be untrue as vx-underground, ran by a team of volunteers, started in 2019 ([Archive] web.archive.org/web//vx-underground.org) right when a few crisis in my life came together at the same time.

So here are the links for my archive as they are great content for both Red Teams and Blue Teams on many things cyber security related:

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Posted in Blue team, Pen Testing, Power User, Red team, Security | Leave a Comment »