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An EPYC escape: Case-study of a KVM breakout
Posted by Felix Wilhelm, Project ZeroIntroduction KVM (for Kernel-based Virtual Machine) is the ...
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 912 posts.
602
The Web3 Fraud
By now effectively all ;login:’s readers have heard the term “web3” and “dapps” bandied about as if they are some great revolution. They are not. The technical underpinnings are so terrible that it is clear they exist only to hype the underlying cryptocurrencies. The actual utility of these “decentralized” systems is…
603
Plan 9 Desktop Guide
Briefly, Plan 9 from Bell Labs is a computer operating system developed by the original UNIX design team. After decades of work on Research UNIX in the late 80's, the team decided to write a new operating system from scratch, Plan 9 was finally released in 1992, and a few years later they released yet another…
604
Fast Rust Builds
It's common knowledge that Rust code is slow to compile. But I have a strong gut feeling that most Rust code out there compiles much slower than it could.
605
Data-oriented design or why you might shoot yourself in the foot with OOP (2009)
Picture this: Toward the end of the development cycle, your game crawls, but you don’t see any obvious hotspots in the profiler. The culprit? Random memory access patterns and constant cache misses. In an attempt to improve performance, you try to parallelize parts of the code, but it takes heroic efforts, and, in the…
606
js;dr = JavaScript required; Didn’t Read.
js;dr = JavaScript required; Didn’t Read. Pages that are empty without JS: dead to history (archive-org), unreliable for search results (despite any search engine claims of JS support, check it yourself), and thus ignorable. No need to waste time reading or responding. Also known as, if it’s not curlable, it’s not on…
607
The Dangers of Low Head Dams (2019)
Dams serve a wide variety of purposes from hydropower to flood control to storage of water for municipal and industrials uses. But when a dam’s useful purpose fades away, the structure itself still remains. Dams come in all shapes and sizes, but contrary to what you might think, the most dangerous d
608
A Proposal for Adding Generics to Go
Generics is entering the language change proposal process
609
Functional programming is not popular because it is weird (2016)
I’ve seen people be genuinely puzzled about why functional programming is not more popular. For example I’m currently reading “Out of the Tar Pit” where after arguing for fu…
610
Startup Ideas
Proposals for new technologies, businesses, startups, satirical or serious.
611
How strong would a magnetic field have to be to kill you?
There’s a great joke in Futurama, the cartoon comedy show, about a horror movie for robots. In the movie, a planet of robots is terrorized by a giant “non-metallic being” (a mons…
612
Post-SSRI sexual dysfunction
Post-SSRI sexual dysfunction (PSSD) is a condition in which sexual function does not return to normal after the use of SSRIs and related antidepressants.
613
A bug related to handling of authenticated sessions
On the evening of March 8, we invalidated all authenticated sessions on GitHub.com created prior to 12:03 UTC on March 8 out of an abundance of caution.
614
The Time Everyone “Corrected” the World’s Smartest Woman (2015)
In 1990, Marilyn vos Savant correctly answered a probability puzzle in her column for Parade Magazine. And then, the world called her an idiot.
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Codecov Bash Uploader compromised
Update 4/29/2021 3PM PT : Through our investigation, we now have additional information concerning what environment variables may have been obtained without authorization and how they may have been used. Affected users can view details within the Codecov application. Additionally, we have posted our most up-to-date…
617
Online text to diagram tools (2020)
List of text to diagram tools
618
Parser generators vs. handwritten parsers: surveying major languages in 2021
Parser generators vs. handwritten parsers: surveying major language implementations in 2021
619
Why I’ll never create modules for VCV Rack anymore–and what I’ll make instead
An old article, now removed due to being an old time capsule.
620
Linux x86 program start up – How the heck do we get to main()? (2011)
This is for people who want to understand how programs get loaded under linux. In particular it talks about dynamically loaded x86 ELF files. The information you learn will let you understand how to debug problems that occur in your program before main starts up. Everything I tell you is true, but some things will be…
621
An Update on SolarWinds
We’d like to provide a further update to our customers in regards to the SolarWinds breach. At this point we reiterate the message we posted yesterday – we have not played any role in this breach, nor are we aware of any vulnerabilities in TeamCity that may have led to this breach, as we are also not aware of any…
622
Racket Compiler and Runtime Status
posted by Matthew Flatt With the upcoming version 8.0 release, Racket on Chez Scheme (Racket CS) will become the default implementation of Racket. This report discusses the implications of that change, continuing a series that was originally about Racket...
623
New Machine Learning Gems for Ruby
In August, I set out to improve the machine learning ecosystem for Ruby and wasn’t sure where it would go. Over the next 5 months, I ended up...
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Managing Dotfiles with GNU Stow (2016)
How to organise and deploy dotfiles using GNU stow.
626
Facts don’t change our minds (2018)
Why don't facts change our minds? This article explains the logic of false beliefs and proposes a better system for constructive conversation.
627
Student Surveillance Vendor Proctorio Files SLAPP Lawsuit to Silence a Critic
During the pandemic, a dangerous business has prospered: invading students’ privacy with proctoring software and apps. In the last year, we’ve seen universities compel students to download apps that collect their face images, driver’s license data, and network information. Students who want to move...
628
An opinionated map of incremental and streaming systems
Disclaimer: I used to work for Materialize which is one of the systems being compared in this post.
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Products vs. Protocols: What Signal got right
There is a significant difference between developing and promoting a protocol (such as XMPP) and a product (such as Signal). Both approaches have their advantages and disadvantages. This post details how and why Snikket aims to strike a balance between the two.