Searching for a Magic Square of Squares
I've wanted to try running software on the GPU for a couple years now, and had been considering ideas like drawing fractals or running neural networks. But after watching a recent Numberphile video on YouTube, I just had to see if I could apply the power to the GPU to searching for magic squares.
Tracing Dependent Cells in Apple Numbers Spreadsheets with AppleScript
I recently needed a way to find which spreadsheet cells, in Apple's desktop Numbers.app, reference a particular cell in their formulas. I would think this formula "trace dependents" feature would be needed often enough for Apple to implement it in their desktop spreadsheet software, as Microsoft does with Excel, but apparently not.
Apple does however provide a scripting interface, via AppleScript, for Numbers.app. Using a quick back and forth chat with ChatGPT, I was able to get an AppleScript solution working.
continue reading...Harvey: 2009-2025
He was the kindest soul in the Universe. He was a good boy.
Some JavaScript Toys Added in 2024
This post lists a collection of small JavaScript apps I've added to this site this year.
Counting Birds in a Photo
In a recent photo gallery, I shared images of thousands of Vaux's Swifts gathering at their roosting chimney in the evening. While it was clear there were thousands of them, it was hard to visually estimate a count since they were flying quickly at times and swirling all around.
In this post I'll share a bit of code I used to count the birds in a photo I took. This helped me get a sense for how many birds I saw.
continue reading...