The latest blog posts to take off on Hacker News. 80,857 posts.
The ESP32 is a popular microcontroller to use for do-it-yourself home automation, sensors, and a variety of other bits and bobs that you might want to take care of around the house. It’s the successor to the venerable ESP8266 which has found its way into many of our WiFi connected devices (seriously, open up a device…
Don't try to reform science. Not yet. Not in your PhD. In grad school, you'll start complaining about the publishing...
Critical authentication bypass vulnerabilities were discovered in ruby-saml up to version 1.17.0. See how they were uncovered.
As I’m getting older I look back on all the things I’ve done as a creative developer, and I see so many cool projects! But I never wrote down any development
The sinister side of rock 'n' roll
This post illustrates a key lemma that is used in proving the fundamental theorem of Galois theory (FTGT). Note that FTGT is not covered in this post. The focus of this post is on understanding and proving this lemma only. Here is the lemma from the book Galois Theory , 5th ed. by Stewart (2023):
We ten to consider Kanban as (digital) whiteboards with columns and sticky notes, while its original meaning was just (any) visual signal.
You’ve got a monopoly on lemonade because you pay all the grocery stores to be the default lemonade. So we’re going to force you sell your car. What’s with the weird redirect? If …
Popular GitHub Action tj-actions/changed-files has been compromised with a payload that appears to attempt to dump secrets, impacting thousands of CI pipelines.
tj-actions/changed-files
I recently helped a company recover their data from the Akira ransomware without paying the ransom. I'm sharing how I did it, along with the full source code. Update: since this article was written, a new version of Akira ransomware has appeared that can't be decrypted with this method The c
Your grandpa probably really did walk 5 miles to school in a foot of snow. A look at the changing numbers for how American students get to school.
We document that, after remaining almost constant for almost 30 years, real labor productivity at U.S. restaurants surged over 15% during the COVID pandemic. This surge has persisted even as many conditions have returned to pre-pandemic levels. Using mobile phone data tracking visits and spending at more than 100,000…
A war story of manually sharding Postgres across 6 databases under load, and the case for automating the process with a proxy instead of weeks of engineering effort.
An indie project for early 2010s internet addicts
I was recently interviewed for a piece in the Times on why the philosophy of stoicism has become very popular in the Silicon Valley tech crowd. Only a sliver of my thoughts made it into the article, but the question from Nellie Bowles was very stimulating so I wanted to share more of my thoughts.
An important requirement to ensure you can fully access your data in cloud apps forever is making the backend sync server available for local self-hosting. That's what EJECTABLE apps are about.
The “Exo 2” language allows programmers to write “schedules” that explicitly control how the compiler generates code. This allows performance engineers to transform simple programs into complex programs that do the same thing as the specification, but faster.
From simple object storage to sophisticated table management, builders have always shaped S3's evolution. Andy Warfield discusses why making complex systems simple remains our north star at AWS.
Listen in on Jane Street’s Ron Minsky as he has conversations with engineers working on everything from clock synchronization to reliable multicast, build systems to reconfigurable hardware. Get a peek at how Jane Street approaches problems, and how those ideas relate to tech more broadly.
This post describes how we successfully migrated our serverless offering from AWS US-East to OVHCloud North America, reducing our monthly spend from...
In the world of AI agents, the ability to understand and analyze structured data is a game-changer. While large language models excel at understanding natural...
HTTP/3 has been in development since at least 2016, while QUIC (the protocol beneath it) was first introduced by Google way back in 2013. Both are now...
On December 30th, while most of us were preparing for a New Year’s Eve celebration, the US Treasury was prepping a notice to lawmakers to notify them that their systems, which (obviously) contain highly sensitive, confidential data, had been compromised.
TinyKVM can be used to sandbox regular Linux programs or programs with specialized APIs embedded into your servers.
A few years ago, we bought a church building. Since then, every time I mention it online and/or on social media, someone always responds, “wait, you bought a church, what” and then asks…
libexpat is a fast streaming XML parser. Alongside libxml2, Expat is one of the most widely used software libre XML parsers written in C, specifically C99. It is cross-platform and licensed under the MIT license .
In the comments on my recent post on books on the history of maths Fernando Q. Gouvêa jumped in to draw attention to the book Math Through the Ages: A Gentle History for Teachers and Othe…
Take an interactive journey through the history of IO devices, and learn how IO device latency affects performance.
