Fix “This video format is not supported” on YouTube TV
Setting up a new computer is bliss — no old, unused apps and the machine performs much better than the previous. Unfortunately, you may encounter new problems based on the new hardware. One such issue I encountered with my new MacBook was a “This video format is not supported” message when I went to YouTube […]
The post Fix “This video format is not supported” on YouTube TV appeared first on David Walsh Blog.
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November 17, 2025
Bicyclic Matrix-Matrix Multiplication in Fully Homomorphic Encryption
In an earlier article, I covered the basic technique for performing matrix-vector multiplication in fully homomorphic encryption (FHE), known as the Halevi-Shoup diagonal method. This article covers a more recent method for matrix-matrix multiplication known as the bicyclic method.
The code implementing this method is in the same GitHub repository as the previous article, and the bicyclic method is in a file called bicyclic.py.
The previous article linked above covers the general concepts behind...
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November 17, 2025
How can I detect that Windows is running in S-Mode, redux
Doing it on hard mode.
The post How can I detect that Windows is running in S-Mode, redux appeared first on The Old New Thing....
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November 17, 2025
Windsurf x Metalab: Building a New Brand for the Future of AI Coding
How Metalab partnered with Windsurf to build a brand that led to a $2.4 billion deal with Google and Cognition....
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November 17, 2025
Representative Line: In the Zone
Robert R picked up a bug in his company's event scheduling app. Sometimes, events were getting reported a day off from when they actually were.
It didn't take too long to find the culprit, and as is so often the case, the culprit was handling dates with strings.
const dateAsString = event.toISOString().substr(0,10);
return new Date(dateAsString);
toISOString returns a "simplified" ISO8601 string, which looks like this: YYYY-MM-DDTHH:mm:ss.sssZ. The substr pops off the first ten characters, gi...
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November 17, 2025
Pinning GitHub Actions
If you’re using GitHub Actions in your projects, you should be pinning your
actions to specific commit SHAs instead of using tags or branches....
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November 17, 2025
Burnout is about moving forward
Feeling burned out? The solution isn't rest—it's momentum. Making progress in any area of your life can break the burnout cycle and get you moving forward again....
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November 17, 2025