Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 912 posts.
Everyone knows that on most systems you can specify IPv4 addresses just 4 decimal numbers separated with periods (dots). Example: 192.168.0.1 Useful when you for example want to ping your local wifi router and similar. "ping 192.168.0.1" Other bases The IPv4 string is usually parsed by the inet_addr() function or at…
On September 30th 2021, Slack had an outage that impacted less than 1% of our online user base, and lasted for 24 hours. This outage was the result of our attempt to enable DNSSEC — an extension intended to secure the DNS protocol, required for FedRAMP Moderate — but which ultimately led to a series of…
To our shareowners:
does your ~/bin spark joy?
A 18-year-old Tennessee man who helped set in motion a fraudulent distress call to police that led to the death of a 60-year-old grandfather in 2020 was sentenced to 60 months in prison today.
On March 15th, 2021, Cloudflare was sued by a patent troll called Sable Networks. Today, we are launching our efforts to fight back.
Dockerfiles are de facto standard for creating container images. In this article I highlight some issues with this approach and I propose building container images with Nix.
I have been seeing this paper by cryptographer Peter Schnorr making the rounds: “Fast Factoring Integers by SVP Algorithms.” It describes a new factoring method, and its abstract ends with the provocative sentence: “This destroys the RSA cryptosystem.” It does not. At best, it’s an improvement in factoring—and I’m not…
Operating what you build, empowered with amazing developer tools
The Minnesota board that regulates engineering licenses is abusing their power in order to stifle the free speech of Charles Marohn and retaliate against the Strong Towns movement for their advocacy on transportation, infrastructure, and engineering reform. Strong Towns has filed suit in federal cou
Affecting Azure Container Instances, Azurescape is the first known cross-account container takeover in the public cloud.
In previous posts I said that the extent to which "Fund people" works will depend on the distribution of scientific talent. Think about the following …
Initial Disclosure: This report represents our opinion, and we encourage every reader to do their own due diligence. Please see our full disclaimer at the bottom of the report. We have no position (short or long) in Clover Health because we think in this moment for public markets, it is more important for people to…
CEO Mark Zuckerberg announced Meta, a new company brand for Facebook apps and technologies.
a guided introduction for first-timers
Bret Devereaux (A Collection of Unmitigated Pedantry)2021119 points14 commentscited by 3History & Retro Computing details
This is the first part of a planned five-part series (I, II, III, IV, V) covering some of the basics of fortifications, from city walls to castles and field fortifications! We are going to discuss …
The Douglas Self Site, steam locomotive, Shay, Climax, Mallet, Garratt, Turbomotive, Reid-Ramsey
In 1999, Lutz Prechelt published a seminal article on the COMMUNICATIONS OF THE ACM (October 1999/Vol. 42, No. 10) called Comparing Java vs. C/C++ Efficiency Differences to Interpersonal Differences , henceforth Java VS C , which seems to have later (March 2000) been expanded into a full paper, An empirical comparison…
This infamous answer [https://stackoverflow.com/a/1732454/7488] on StackOverflow have reached meme status. The question is about finding opening tags in XHTML using a regular expression, and the answer makes it abundantly clear that this is not possible - and you will surely go mad if you try. The
This is a followup to my previous post, prefix sum on Vulkan. Last year, I got a fancy algorithm for this problem running well on one device. This time, I will dive into the question of how to make it work well across a wide range of devices. The short answer is, it can be made to work pretty portably on Vulkan and…
We have finished the first chapter on a long journey of resurrecting Fortran: forming an initial core community of developers and users with enough momentum around the new Fortran website and projects at fortran-lang.org . There is still have a long way to go to, but this was a necessary (although not sufficient)…
It's taken me much longer than I hoped, but I finally have a second version of my patches to build static executables tested and ready to go! This set of patches vastly improves upon the first by reducing the amount of compilation needed at the cost of sacrificing a little purity. Additionally I have created a system…
How the wrong settings on a photocopier has let us have a glimpse at a forbidden image of a modern thermonuclear warhead.
During a recent audit, we discovered that some third-party Chromium based browsers were able to integrate Google features, such as Chrome sy...
