May 10, 2026 - https://opello.org/A while back at a SLUG (Siouxland Linux Users Group) meeting, an attendee had some Lenovo ThinkCentre small form factor computers to sell at very reasonable prices. They were surplus that I believe a school used as thin clients. It turned out that one of them would not boot and I thought that …Read more →about Lenovo ThinkCentre M720q UEFI/BIOS Recovery
May 6, 2026 - https://trevorarnold.substack.com/Blooming tree in Rock Rapids, IA
A bit of a brain dump for this month, as there have been a couple of major things on my mind over the last month.
Calling / Vocation / Gift The idea of calling or vocation has been on my mind for a long time. I’ve taken several personality assessments, completed …Read more →about Monthly Learning - April 2026
May 4, 2026 - https://mwop.net/I’ve been using the construct sudo run-parts /etc/update-motd.d/ to determine if recent system updates required a reboot.
Today I learned I can simply check for the existence of the file /var/run/reboot-required.
Determining if a reboot is required on Linux was originally published 4 May 2026 …Read more →about Determining if a reboot is required on Linux
April 16, 2026 - https://mwop.net/I was recently building something that was taking date input from an HTML form field, and casting it to a PHP DateTimeImmutable. I was then comparing that to another date, and got thrown off during testing when I compared the resulting instance to new DateTimeImmutable('today'); the instances were …Read more →about PHP DateTimeImmutable::createFromFormat Reset Character
April 8, 2026 - https://mwop.net/I’m doing a little DB work recently, and needing to choose how to represent certain data in the database. For a few fields, ENUM would be the correct choice, but there’s a possibility I would need to expand the ENUM later to add values.
My question: is this safe?
The short answer, in my …Read more →about SQL ENUM Modification
April 6, 2026 - https://trevorarnold.substack.com/Roughlock Falls Trail, Lead, SD
Honestly, I have not been doing great with tracking the things I’ve learned throughout the past couple of months. So for this month’s post and because everyone seems to be talking about AI, I thought I would throw out a couple of my experiences and thoughts on the …Read more →about Monthly Learning - March 2026
April 3, 2026 - https://www.aligneddev.netI’ve had Excel change large numbers to scientific notation and save that way.
I’ve had Excel change a quoted field to “““value”””, instead of “value”.
The happens when I right click copy from SSMS with headers and paste into Excel.
It also happens when I right click save as csv from SSMS. I still …Read more →about Beware When Copying From SSMS to Excel for CSVs