by David Boreham | Oct 21, 2024 | Programming, Uncategorized
Online education coding platforms such as CodeAcademy have existed for years but I’ve always found them to provide a rather artificial sandboxed environment that doesn’t easily translate to real world coding. Meanwhile a new category of sites that allow...
by David Boreham | Oct 16, 2024 | Uncategorized
Through a post on Hacker News, and via its cited article, I found myself transported back to the days when we wrote locking primitive implementations, tussling with the challenges of porting across many CPU architectures and operating systems. I worked on code like...
by David Boreham | Dec 1, 2023 | Performance
I noticed this talk by my former colleague (at Netscape and AOL) Jim Roskind, who now works at Amazon.com. He gives a great introduction to the phenomenon of congestion collapse in complex queueing systems. His examples include familiar scenarios such as busy...
by David Boreham | Jul 27, 2018 | Security
I noticed some amazing work published earlier this week by researches from EUROCOM, and to be presented at ACM CCS 2018. They were able to recover encryption keys from an IoT type SoC from noise leaked onto the chip’s Bluetooth radio’s RF output. This...
by David Boreham | Jan 18, 2018 | Security
One of those “war stories to tell your grandkids”. David Wragg details his investigation into seemingly random segmentation faults on the Cloudflare Blog. These amazingly enough turned out to be due to a microcode bug in a specific Intel CPU design....
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