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A new RISC-V version of uLisp
The RISC-V version of uLisp is designed to support microcontroller boards based on the RISC-V processor.
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How the ARM32 Linux kernel decompresses
ARM traditionally uses compressed kernels. This is done for two major reasons: It saves space on the flash memory or other storage media...
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Linux kernel heap quarantine versus use-after-free exploits
It's 2020. Quarantines are everywhere – and here I'm writing about one, too. But this quarantine is of a different kind. In this article I'll describe the Linux Kernel Heap Quarantine that I developed for mitigating kernel use-after-free exploitation.
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EFF to Supreme Court: Violating Terms of Service Isn’t a Crime Under the CFAA
Washington, D.C.—The Electronic Frontier Foundation (EFF) and leading cybersecurity experts today urged the Supreme Court to rein in the scope of the Computer Fraud and Abuse Act (CFAA)—and protect the security research we all rely on to keep us safe—by holding that accessing computers in ways that...
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The formula for pi buried in a hydrogen atom
When most people think about pi, they associate the mathematical constant with arcs and circles. Mathematicians, however, are accustomed to seeing it in a variety of fields. But two University physicists were still surprised to find it lurking in a quantum mechanics formula for the energy states of the hydrogen atom.
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Die shrink: How Intel scaled down the 8086 processor
The revolutionary Intel 8086 microprocessor was introduced 42 years ago this month so I've been studying its die. 1 I came across two 8...
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Diffing Coronaviruses
Comparing the genome sequences of the Wuhan coronavirus and a bat coronavirus using `diff` and NCBI BLAST reveals an 89% similarity.
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Why Lobste.rs Is Better Than Hacker News
Lobste.rs is WAY better than Hacker News (in my opinion). Here's why...
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Last Phase of the Desktop Wars?
The two most intriguing developments in the recent evolution of the Microsoft Windows operating system are Windows System for Linux (WSL) and the porting of their Microsoft Edge browser to Ubuntu.
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What I think what we need to do to keep FreeBSD relevant (2019)
Since I participate in the FreeBSD project there are from time to time some voices which say FreeBSD is dead, Linux is the way to go. Most of the time those voices are trolls, or people which do not really know what FreeBSD has to offer. Sometimes those voices wear blinders, they only see their
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Ray Tracing Essentials Part 7: Denoising for Ray Tracing
This post is about the seventh and final video in this series, Denoising for Ray Tracing.
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I Still Use Vim
The Stack Overflow blog recently published Modern IDEs are magic. Why are so many coders still using Vim and Emacs? Posts about Vim vs Emacs vs IDEs are...
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If It’s Not “Cancel Culture,” What Kind of Culture Is It?
Another long week in the all-stick, no-carrot revolution
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The chronic suffering of the VB.NET community
I’d originally planned to write on this particular topic in response to increasing outreach to me personally, through my blog and other places, unsolicited, and independently from multiple communit…
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Booting an M1 Mac from an external disk
If you’ve been unable to create a bootable external disk to use with your M1 Mac, this explains what you need and its limitations and quirks.
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Prestige in US Today
Lauren A.
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Open Source, SaaS and Monetization
My thoughts on monetizing open source SaaS businesses from my experience at Sentry.
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AWS Managed Workflows for Apache Airflow
As the volume and complexity of your data processing pipelines increase, you can simplify the overall process by decomposing it into a series of smaller tasks and coordinate the execution of these tasks as part of a workflow. To do so, many developers and data engineers use Apache Airflow, a platform created by the…
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Remembering what you Read: Zettelkasten vs. P.A.R.A
I spent over a year researching better ways to take notes and remember what I read. Here's what I found.
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Myths about USB NKRO and how USB HID works
A common myth about USB keyboards is that they can only support 6-key rollover, and not report more than 6 keys being pressed at a time. In fact, this is wholly untrue; the USB HID device class can support full N-key rollover (NKRO). While keyboards which purport to support USB NKRO are now common, some of them have…
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