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Computer Ads from...
Comics from 1982/08 Commodore Computing International Mag Time for some humor
5 months ago
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
2
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4 Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
34
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
29
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Louwrentius
Lustre and the risk of Serious Data Loss Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was...
over a year ago
2
over a year ago
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was thinking about how you would setup a large, scalable storage infrastructure. How should such a thing work? Very simple: you should be able just to add hosts with some bad-ass huge...
Louwrentius
Why I still won't switch to Linux and keep my Mac The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to...
over a year ago
2
over a year ago
The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to admit that the Linux desktop is really becoming a nice, user-friendly environment. I'm truly starting to like what I see. I considered whiping Mac OS X from my macbook, but there...
Louwrentius
Cryptocurrencies are detrimental to society Want to listen to this article? audio element. Introduction How would you explain the inner...
over a year ago
2
over a year ago
Want to listen to this article? audio element. Introduction How would you explain the inner workings of bitcoin to a person in simple, understandable terms? source This explanation seems perfect to me because it illustrates some seriously problematic aspects of...
Home on Erik...
Model benchmarks A lot of people have asked me what models we use for recommendations at Spotify so I wanted to share...
over a year ago
2
over a year ago
A lot of people have asked me what models we use for recommendations at Spotify so I wanted to share some insights. Here's benchmarks for some models. Note that we don't use all of them in production.
Neil Madden
Towards a standard for bearer token URLs In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
2
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Jonas Hietala
10 Games in 10 Languages For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
2
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
3
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look. Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
Posts on Made of...
Property-Based Testing Is Fuzzing “Property-based testing” refers to the idea of writing statements that should be true of your code...
over a year ago
2
over a year ago
“Property-based testing” refers to the idea of writing statements that should be true of your code (“properties”), and then using automated tooling to generate test inputs (typically, randomly-generated inputs of an appropriate type), and observe whether the properties hold for...
Christian Selig
Theming Apps on iOS is Hard Theming apps (the ability to change up the color scheme for an app from say, a white background with...
over a year ago
39
over a year ago
Theming apps (the ability to change up the color scheme for an app from say, a white background with blue links to a light green background with green links) is a pretty common feature across a lot of apps. It’s one of the core features of the new “Twitter Blue” subscription,...
Odds and Ends of...
Why we need seven bins It's time for some #binchat
6 days ago
Posts on Made of...
Some thoughts on Quora With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation,...
over a year ago
2
over a year ago
With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation, there’s been an awful lot of attention on Quora. I’ve had an account there and wanted to write up some of my initial thoughts. If you haven’t heard about Quora, it’s yet another...
Birchtree
I’m Not a Panda Person Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web...
2 days ago
7
2 days ago
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web apps. Watch it on YouTube or listen in your favorite podcast app!
Ken Shirriff's blog
Inside a ferroelectric RAM chip Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special...
3 months ago
3
3 months ago
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special "ferroelectric" material. Ferroelectric memory is nonvolatile like flash memory, able to hold its data for decades. But, unlike flash, ferroelectric memory can write data...
Good Enough
The Element of Surprise Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is...
a year ago
3
a year ago
Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is best, but rather as a side effect of how we all happened to meet each other. We met remotely, we did not end up all moving into some commune, and so to work together we must work...
Notes on software...
Writing a SQL database from scratch in Go: 4. a database/sql driver Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions...
over a year ago
2
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions and WHERE filters 3. indexes In this post, we'll extend gosql to implement the database/sql driver interface. This will allow us to interact with gosql the same way we would...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Jonas Hietala
Default audio card in linux There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
2
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me. I had three separate problems: Getting sound Playing sound from multiple sources at the same time Audio card getting different numbers on reboot Getting sound Here I...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
9 months ago
2
9 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the dominance of the x86 architecture that continues to the present.1 One...
./techtipsy
How to fix ZFS pool not importing at boot Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
23
over a year ago
Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using zpool import poolname or zpool import -a. In...
Louwrentius
'Tip of the day: Scrolling in GNU screen' Just the answer: By default, on Debian, the scroll back buffer is about 1K lines. This can...
over a year ago
3
over a year ago
Just the answer: By default, on Debian, the scroll back buffer is about 1K lines. This can be changed in the .screenrc file in your home directory. The following example sets the scroll back buffer to 5K lines. defscrollback 5000 Set the scroll back buffer on the fly with: First...
Lighthouse Blog
Updates August 12
4 months ago
Arduino Blog
7 powerful ways to integrate Collaborative Coding into education with the Arduino Cloud Collaborative coding in education can be a game-changer for students, providing them with real-world...
2 months ago
19
2 months ago
Collaborative coding in education can be a game-changer for students, providing them with real-world skills in communication, teamwork, and problem-solving. With the new collaborating coding feature of the Arduino Cloud, students can collaborate in real time on coding projects,...
Vitalik Buterin's...
The roads not taken
over a year ago
Lighthouse Blog
Updates September 16: Explore all available articles of a feed
3 months ago
Good Enough
TIL: Don’t forget your Web Manifest file We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective...
a year ago
2
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones. As we’re creating and...
Birchtree
The future simply has more computers (members post) Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
10
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
2
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
watchTowr Labs -...
“To live is to fight, to fight is to live! - IBM ODM Remote Code Execution In previous blogs, we’ve discussed some of the big players in the enterprise software space, but...
10 months ago
2
10 months ago
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but there is one that we have not mentioned before, that is - quite frankly - the heavy-weight champion of the world in terms of applications for large enterprises. With over a hundred
Lighthouse Blog
Updates December 08: YouTube support
a year ago
Arduino Blog
DexteriSync lets you walk a mile in the gloves of a user with manual disability Good designers prioritize the user experience — particularly the experience of users with...
a month ago
14
a month ago
Good designers prioritize the user experience — particularly the experience of users with disabilities that affect their perception and fine motor skills. A young person without disabilities, for example, may feel that jars are easy to open, while an elderly person with reduced...
lcamtuf’s thing
Electric chainsaws and the gorge of misery Lithium batteries are great -- so why do mid-size electric power tools suck in 2024?
4 months ago
Arduino Blog
Arduino CLI 1.0 is out! We are excited to share some incredible news with you all! We recently released the Arduino CLI...
3 months ago
17
3 months ago
We are excited to share some incredible news with you all! We recently released the Arduino CLI version 1.0.0, marking a significant milestone for our software. This release is a big deal because it signifies the stabilization of the software API, bringing greater reliability and...
somenice
Matter as a Smart home standard Matter is the name of the smart home standard that promises to bridge IOT devices and different home...
8 months ago
31
8 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
Notes on software...
Studying foreign languages with inbox zero The only time I've been able to seriously, rapidly improve my ability to speak a foreign language...
over a year ago
3
over a year ago
The only time I've been able to seriously, rapidly improve my ability to speak a foreign language was through intensive language courses in college. I was forced to actively speak, read, and write Chinese for 6-8 hours a week (1-2 hours every day). Then study another 5-10 hours a...
Lighthouse Blog
Hidden features
6 months ago
Louwrentius
Is storage really that cheap? Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box,...
over a year ago
3
over a year ago
Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box, which is already 50% full. However, although it is to some degree fault-tollerant by using RAID 6, one mistake or catastrophic hardware faillure and all data is lost. And that's...
Old Vintage...
Pretty pictures, bootable floppy disks, and the first Canon Cat demo? Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to...
5 months ago
73
5 months ago
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to get into the operating system and pull some tricks. from our historical discussion of the Canon Cat, the Cat was designed by Jef Raskin as a sophisticated user-centric computer...
Simply Explained
Securely access home network with Cloudflare Tunnel and WARP When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to...
over a year ago
3
over a year ago
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to strengthen the security of my Home Assistant instance. Until now, I have been using Cloudflare's CDN to connect to my HA instance, but that required opening ports on my router and...
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
2
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Applied Cartography
Is cool enough? Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL...
9 months ago
3
9 months ago
Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory glances at the hodgepodge of janky URL manipulation code that I wrote for...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA) When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
2
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Birchtree
How Flight Simulator helped my flying anxiety (members post) It turns out video games really can impact how you view the world.
2 weeks ago
Engineers Need Art
Tom Dowdy Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
66
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
Computer Ads from...
Flash Sale and a Slight Change to Subscriptions Time for a little business
3 months ago
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
2
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
36
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output...
over a year ago
2
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output is written to a file or disk. Only when Nmap is finished, is all output written to the output file. Often, I want to start processing results of hosts that have already been...
Willem's Blog
No, I Won't Build That! Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
9 months ago
2
9 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
62
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
lcamtuf’s thing
The untimely demise of an image upscaler ML-based image enhancement models are great. Unfortunately, some of them are great only once.
3 months ago
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID Just a quick link: Some person build basically the same setup, including identical...
over a year ago
2
over a year ago
Just a quick link: Some person build basically the same setup, including identical controller, providing 28 TB of storage: Take a look here The main difference is that this person uses 1.5 TB disk, thus achieving more storage.
Notes on software...
The limitations of LLMs, or why are we doing RAG? This is an external post of mine. Click here if you are not redirected.
6 months ago
Arduino Blog
Giving a teenage pet turtle a synthetic pizza-ordering voice If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of...
3 months ago
33
3 months ago
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of some degree of training. Training is really just taking advantage of an animal’s natural inclination to adapt for survival, which is something all living organisms do. With that in...
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
Home on Erik...
The power of ensembles From my presentation at MLConf, one of the points I think is worth stressing again is how extremely...
over a year ago
2
over a year ago
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works. In this case, we're training machine learning algorithms on different data sets (playlists, play counts, sessions) and different...
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
9 months ago
2
9 months ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
over a year ago
2
over a year ago
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. an x86 upgrade In this post we'll extend the ulisp compiler's LLVM backend to support printing integers to...
Construction Physics
How China Is Like the 19th Century U.S. I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
a month ago
33
a month ago
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
Willem's Blog
Snake '97 High Scores Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was...
over a year ago
1
over a year ago
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was totally WOW!
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary In this post we'll stumble toward a working emulator for a barebones C program compiled for...
over a year ago
2
over a year ago
In this post we'll stumble toward a working emulator for a barebones C program compiled for linux/AMD64. The approach will be slightly more so based on observation than by following a spec; a great way to quickly become familiar with a topic, and a bad way to...
Willem's Blog
The Same, Differently
a year ago
Applied Cartography
Migrating to Django 5 The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was...
2 months ago
4
2 months ago
The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was incentivized to do so because our search right now is quite slow, and the lowest hanging piece of fruit is to move some of the tsvector generation out of band, and I'd rather do that using...
Old Vintage...
So long, Z80 You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
82
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
Notes on software...
Reviewing the Surface Book 2 The first few paragraphs cover what I was looking for and what I considered. Then the review. Why...
over a year ago
2
over a year ago
The first few paragraphs cover what I was looking for and what I considered. Then the review. Why the Surface Book 2 I used a Macbook throughout my professional career until I had the choice a few years ago when I started my current job. Here, I ran Gentoo, then FreeBSD, then...
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
39
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
Willem's Blog
Your own addressbook and calendar cloud You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data...
over a year ago
3
over a year ago
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data and share it between your devices.
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
54
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Electronics etc…
Setting Up a Symmetricom SyncServer S200 Network Time Protocol Server Introduction What was the SyncServer S200 Supposed to be Used For? IMPORTANT: Use the Right GPS...
5 months ago
66
5 months ago
Introduction What was the SyncServer S200 Supposed to be Used For? IMPORTANT: Use the Right GPS Antenna! The SyncServer S200 Outside and Inside Installing the Missing BNC Connectors Setting Up a SyncServer S200 from Scratch Opening up the SyncServer S200 The SyncServer File...
Posts on Made of...
Using X forwarding with screen by proxying $DISPLAY If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a...
over a year ago
2
over a year ago
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a long-running session going on a server somewhere, and log in and resume my session without losing any state. I also love X-forwarding. I love being able to log into a remote server...
Arduino Blog
Making a car more secure with the Arduino Nicla Vision Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
4 months ago
36
4 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
Notes on software...
Writing a minimal Lua implementation with a virtual machine from scratch in Rust By the end of this guide we'll have a minimal, working implementation of a small part of Lua from...
over a year ago
3
over a year ago
By the end of this guide we'll have a minimal, working implementation of a small part of Lua from scratch. It will be able to run the following program (among others): function fib(n) if n < 2 then return n; end local n1 = fib(n-1); local n2 = fib(n-2); ...
Computer Ads from...
Sundial Systems' Relish The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
2 months ago
watchTowr Labs -...
Where There’s Smoke, There’s Fire - Mitel MiCollab CVE-2024-35286, CVE-2024-41713 And An 0day It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't...
2 weeks ago
6
2 weeks ago
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't overstate the consequences of an attacker crossing the boundary from the 'computer system' to the 'telephone system'. We've seen attackers realise this in 2024,
Good Enough
Our ChatGPT Mission Statement What follows is an edited transcript of my interaction with ChatGPT to help craft a mission...
a year ago
2
a year ago
What follows is an edited transcript of my interaction with ChatGPT to help craft a mission statement for Good Enough. The resulting mission statement was surprisingly good and I had some literal LOLs along the way. Though I think we'll leave out the haiku. You are an expert at...
lcamtuf’s thing
Shining light on photodiodes Photodiodes are incredibly versatile, but commonly misused and misunderstood.
2 months ago
Matt Blewitt
Corporate Legibility for Software Engineers Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those...
over a year ago
2
over a year ago
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those not directly involved. I’ll help you understand why this is an important thing to be aware of and how to use it to help your career.
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
11 months ago
2
11 months ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring' The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like...
over a year ago
2
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special than those. Because iftop lets you monitor the speed of individual TCP / UDP connections. Basically, you will be able to determine...
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The...
over a year ago
2
over a year ago
Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Home on Erik...
Luigi talk tomorrow At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed –...
over a year ago
2
over a year ago
At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed – check out the meetup web page for a link tomorrow.
Applied Cartography
Typesafe routes in Vue I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
2
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted. I built out and...
Louwrentius
Creating a basic ZFS file system on Linux Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm...
over a year ago
2
over a year ago
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm documenting the scenario where I just want to create a file system that can tollerate at least a single drive failure and can be shared over NFS. Identify the drives you want to use for the...
computers are bad
2023-04-30 los alamos - compound to county pt II Where we left off, Los Alamos had become a county, but the town itself continued to be directly...
a year ago
67
a year ago
Where we left off, Los Alamos had become a county, but the town itself continued to be directly administered by the Atomic Energy Commission (AEC). The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the towns it owned by transferring the property to private...
computers are bad
2024-06-02 consumer electronics control In a previous episode, I discussed audio transports and mention that they have become a much less...
6 months ago
79
6 months ago
In a previous episode, I discussed audio transports and mention that they have become a much less important part of the modern home theater landscape. One reason is the broad decline of the component system: most consumers aren't buying a television, home theater receiver,...
Applied Cartography
Mass renaming files in fish on macOS One of many two-liners to come as I migrate things from the old site onto Obsidian: brew install...
a year ago
3
a year ago
One of many two-liners to come as I migrate things from the old site onto Obsidian: brew install rename rename "s/.mdx/.md/" **.md
computers are bad
2023-08-19 meanwhile elsewhere I had meant to write something today, but I'm just getting over a case of the COVID and had a hard...
a year ago
75
a year ago
I had meant to write something today, but I'm just getting over a case of the COVID and had a hard time getting to it. Instead I did the yard work, edited and uploaded a YouTube video, and then spewed out a Cohost thread as long as a blog post. So in lieu of your regularly...
Arduino Blog
Shop vac becomes a Roomba on steroids A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and...
7 months ago
61
7 months ago
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and sweep your own floors, you have a little maid robot to do the job for you. But these devices have very little power and capacity, which makes them useless for anything other than...
Neil Madden
From KEMs to protocols This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
2
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
Jonas Hietala
A Geek Valentine Yes! I made it! It’s 22:22 on the very last day of February and I’ve been programming virtually...
over a year ago
2
over a year ago
Yes! I made it! It’s 22:22 on the very last day of February and I’ve been programming virtually non-stop for the past two days, my brain feels like mashed potatoes. A Geek Valentine Controls Use spacebar to: Build the time machine Buy and place traps (Just face an empty square...
Opsbros
Nix Windows Feedback There turns out to be a far easier way to disable the 'Win+F' Windows Feedback app.
over a year ago
computers are bad
2024-01-16 the tacnet tracker Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled time in mobile...
11 months ago
74
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled time in mobile computing." Today, I want to share a little example. Over the last few weeks, for various personal reasons, I have been doing a lot of reading about embedded operating systems and ISAs for...
Engineers Need Art
Building Quarter-Cab - Phase I Lets build a simple virtual pinball controller to bring more immersion to your game.
7 months ago
computers are bad
2023-01-16 huff-duff We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an...
a year ago
56
a year ago
We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an extremely useful property of HF radio here is that HF frequencies can reflect off of the upper layers of the atmosphere, causing them to rebound towards earth at a range much further...
Louwrentius
'Linux: unattended installation with Debian preseeding' Debian Linux provides a mechanism to install the operating system without user intervention. This...
over a year ago
3
over a year ago
Debian Linux provides a mechanism to install the operating system without user intervention. This mechanism is called 'preseeding' and is similar to Red Hat Kick Start and Sun Solaris Jump Start. The basic idea is that the installer is fed a recipe, according to which the system...
Arduino Blog
This Strandbeest-style coffee table can deliver drinks More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
32
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
4 months ago
2
4 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
22
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Louwrentius
Why I Do Use ZFS as a File System for My NAS On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
2
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS. You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
Willem's Blog
Is the Apple Watch the modern tool watch? I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
over a year ago
2
over a year ago
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Jonas Hietala
Resurrection Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not...
over a year ago
2
over a year ago
Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not having to make lunch and dinner every day is such a relief, and if you do slip up food with grandma or Veronica’s parents is only a phone call away. I watched TV, played...
Home on Erik...
Analyzing 50k fonts using deep neural networks For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
2
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
Willem's Blog
Creating the ultimate commuter bike Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
over a year ago
Notes on software...
Book Review: ANSI Common Lisp Score: 4.5 / 5 Paul Graham and his editor(s) are excellent. His prose is light and easy to follow....
over a year ago
2
over a year ago
Score: 4.5 / 5 Paul Graham and his editor(s) are excellent. His prose is light and easy to follow. The only awkward component of the book's organization is that he tends to use a concept one section before explicitly introducing and defining that concept. I'm not sure yet if this...
Christian Selig
Waterfield's weirdly compact Apple Vision Pro Case Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a...
8 months ago
80
8 months ago
Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a deep-down, subconscious level, but I won’t say anything that I don’t truly believe. Unlike a phone or laptop, the Vision Pro is one of those products that is particularly tricky...
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Buck on Software
Thinking incrementally about SaaS An overview of the key output of the growth software machine
over a year ago
Jonas Hietala
Laying off Pintos Exam period is here which means all courses should be wrapping up and a week or so ago we finished...
over a year ago
3
over a year ago
Exam period is here which means all courses should be wrapping up and a week or so ago we finished up our lab series about pintos. The labs were among the best I’ve had yet and I learned a ton. We didn’t follow the official instructions but we had our own assigmnets....
Simply Explained
How I Built an NFC Movie Library for my Kids When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to...
a year ago
2
a year ago
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to today, and my children's movie collection is vastly different. It's completely digital and dispersed across services. I wanted to recreate the tangible magic of my childhood for them.
Arduino Blog
This frighteningly realistic animatronic head features expressive silicone skin The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of...
a week ago
19
a week ago
The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of ways. Some of that is utilitarian — your jaw muscles are good for chewing, after all. But a lot of it seems to be the result of evolution giving us fantastic non-verbal...
Vitalik Buterin's...
A Prehistory of the Ethereum Protocol
over a year ago
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Avestura's Blog
Versioning microservices in GitLab monorepos and polyrepos What are some possible options to version projects for a microservices project in Gitlab?
over a year ago
Applied Cartography
Letters to a Young Bartender Every straight white male is forced, character-creation-screen-style, to choose one overtly...
2 weeks ago
5
2 weeks ago
Every straight white male is forced, character-creation-screen-style, to choose one overtly consumptive hobby that in some small part defines their twenties and – God willing — their enduring adulthood. Some choose sourdough; many choose barbecue; I chose mixology. (A...
Applied Cartography
Two weeks of parenthood We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about...
2 months ago
4
2 months ago
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about parenthood. (In all seriousness, consider the below descriptive and not prescriptive: mostly, it's a notepad filled with things that were remarkable or surprising or divergent from...
Jonas Hietala
Eduroam for wicd in Linkoping's University So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
3
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost. Save the following as /etc/wicd/encryption/templates/ttls-80211: name = TTLS for Wireless author =...
Buck on Software
The Software Slog As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
Willem's Blog
Health and fitness data Exploring the balance between health data and intuition, this blog post delves into how personal...
11 months ago
2
11 months ago
Exploring the balance between health data and intuition, this blog post delves into how personal well-being and fitness goals shape our relationship with technology and self-awareness.
Matt Blewitt
Shunn The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
6 months ago
3
6 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Gwern.net Newsletter
July 2020 gwern.net newsletter Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
over a year ago
latest projects -...
Simsim Pendant [Concept] Mercurial Medallion
9 months ago
Jonas Hietala
Doing Stuff The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left...
over a year ago
2
over a year ago
The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left the standard math course behind a bit. Actually more than a bit but hopefully I’ll correct things later. No my life is going along just fine, it almost feels like my life is runing...
Louwrentius
Additional proof that Apple is ditching the optical drive I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
2
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present. In my life, I never see people use the optical...
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
2
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
Applied Cartography
Applied Cartography × Val Town Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If...
a month ago
4
a month ago
Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If you haven't used Val, well, watch the stream — think live, zero-deploy code snippets that can be arbitrarily extended and executed.) Reflecting on the experience, the most exciting...
./techtipsy
The best laptop is the one somebody else had In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I...
a month ago
38
a month ago
In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I ended up picking an ASUS Eee PC 1201PN. It was new and the first computer in my life that was 100% mine, but awfully slow for a lot of tasks. It was so slow that I ended up giving...
Applied Cartography
Fathom I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly...
2 weeks ago
5
2 weeks ago
I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly good reason to do so until the news broke that Paul Jarvis was selling his share of the company to Jack Ellis, the technical co-founder. [1] Anyway, the two thoughts: I think Fathom...
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp...
over a year ago
2
over a year ago
In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp specifically), I tried to get a simple (but realistic) web app running. After four days and a patch to ABCL I got something working. The code I had in mind would look something like...
Construction Physics
Do U.S. Ports Need More Automation? On October 1st, 47,000 members of the International Longshoremen's Association (ILA), primarily...
2 months ago
43
2 months ago
On October 1st, 47,000 members of the International Longshoremen's Association (ILA), primarily dockworkers on East and Gulf Coast ports, went on strike after failing to agree contract terms with USMX, an alliance of port operators and employers.
Willem's Blog
Tudor Black Bay 36 long-term review For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
2
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
Jonas Hietala
The current T-34 keyboard layout I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is...
over a year ago
2
over a year ago
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is constantly changing it’s been difficult to piece together how the layout currently looks like, so this post tries to show how the layout looks right now in it’s entirety. If you want to...
Posts on Made of...
Conkeror I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension,...
over a year ago
2
over a year ago
I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension, but nowadays it’s a standalone app built on top of Mozilla’s xulrunner, so it uses the Gecko rendering engine. What it is, is an emacs implemented in Javascript, for the web. This...
Computer Ads from...
T/Maker: Tiny Software Company Takes on the Giants (Interview) An interesting look at a company with less than 20 employees playing with the big boys
2 months ago
detreville
This is "detreville" It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
a year ago
Opsbros
JSON and PowerShell Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will...
over a year ago
2
over a year ago
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will allow you to manipulate these objects efficiently.
Lighthouse Blog
Updates March 15
9 months ago
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
2 weeks ago
5
2 weeks ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version. In it, there’s a song I really love that plays on the level select screen called Gate of Your...
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
2
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
Home on Erik...
The software engineering rule of 3 Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
2
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*. This is what I've noticed: Don't factor out shared code between two classes.
Home on Erik...
Optimizing for iteration speed I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
2
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Jonas Hietala
November Theme: Art Game Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
2
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
anderegg.ca
Anzu Castle Gracula Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy...
a month ago
4
a month ago
Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy oddity, this game is extremely well made and quite fun! Lots of Castlevania II vibes going on here. Check out Anzu Castle Gracula on Steam, or give it a shot on Itch.io.
Arduino Blog
Arduino Education at Bett 2025: Shaping the future of K-12 and HE Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from...
5 days ago
8
5 days ago
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from January 22nd-24th at the ExCeL exhibition center in London, Bett is the ultimate global event for educational innovation.  We are attending the stand with our partner CreativeHut...
Arduino Blog
Introducing Opta Expansions: scalable simplicity! Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and...
7 months ago
46
7 months ago
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and allowed us to reach PLC engineers with a new solution specifically designed for their needs.  To further expand Opta’s capabilities, today the Arduino ecosystem welcomes various...
Arduino Blog
Circuit Canvas can help you quickly create illustrated wiring diagrams Good documentation is extremely useful when conceiving, building, or sharing electronic circuit...
5 months ago
33
5 months ago
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit designs, but traditional schematics and technical drawings are difficult for non-professionals to interpret and create. Makers can benefit from intuitive illustrations that look good...
Louwrentius
Script that shows relevant disk information I wrote a small Python script called 'showdisks' that displays relevant information about any...
over a year ago
3
over a year ago
I wrote a small Python script called 'showdisks' that displays relevant information about any physical storage devices supported by hdparm. Information such as model and capacity are shown, but also controller and device path. This script only requires python and hdparm. I hope...
Lighthouse Blog
Updates April 05
8 months ago
Willem's Blog
Optical vs chest strap heart rate monitors Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
over a year ago
./techtipsy
The IKEA-powered homelab on a wall I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of...
a year ago
74
a year ago
I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of extras. During my self-hosting journey having to figure out the best place for putting all my compute stuff to has always been at the back of my mind, especially due to limited...
Matt Mullenweg
Where is Lee Wittlinger? Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
2 months ago
4
2 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
Louwrentius
ZFS on Linux: monitor cache hit ratio I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust...
over a year ago
2
over a year ago
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust the numbers I got, I wanted to know how many of the IOPs I got were due to cache hits rather than disk hits. This is why I wrote a small shell script called archhitratio. Sample...
./techtipsy
What changing the CPU on a laptop looks like This post illustrates something that is not common on modern laptops: changing the...
over a year ago
31
over a year ago
This post illustrates something that is not common on modern laptops: changing the CPU. Background One of the modifications that you can do to a ThinkPad T430 laptop is changing the CPU to a more powerful quad core model. That’s exactly what I did back in 2017, but due to the...
Push to Prod
How Would You Design Amazon S3? One of my favorite system design questions from a few years ago and a fascinating thing I learned...
2 months ago
5
2 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
computers are bad
2024-10-19 land art and isolation Prescript: I originally started writing this with the intent to send it out to my supporter's...
2 months ago
34
2 months ago
Prescript: I originally started writing this with the intent to send it out to my supporter's newsletter, EYES ONLY, but it got to be long and took basically all day so I feel like it deserves wider circulation. You will have to tolerate that it begins in the more conversational...
Posts on Made of...
Distributed cloud builds for everyone CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
2
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Avestura's Blog
Explaining The Postgres Meme Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
a year ago
Willem's Blog
Abandoning my own tablet OS After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro...
over a year ago
3
over a year ago
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
a month ago
4
a month ago
You want to check for strict consistency (linearizability) for your project but you don't want to have to deal with the JVM. Porcupine, used by a number of real-world systems like etcd and TiDB, has you covered! Importantly, neither Jepsen projects nor Porcupine can...
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
28
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Arduino Blog
An ultra-affordable DIY underwater ROV ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
70
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
Willem's Blog
Wearing WHOOP 4.0 Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror...
over a year ago
2
over a year ago
Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror - it's so powerful, that I don't take mine off!
Jonas Hietala
5 Years at Linköping's University I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
3
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
Home on Erik...
Books I read in 2015 Early last year when I left Spotify I decided to do more reading. I was planning to read at least...
over a year ago
2
over a year ago
Early last year when I left Spotify I decided to do more reading. I was planning to read at least one book per week and in particular I wanted to brush up on management, economics, and technology.
computers are bad
2024-09-14 the national warning system Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and...
3 months ago
39
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and telephone operating companies sold as private lines. One of the interesting properties of private line systems is that they can be ordered as four-wire. Internally, the telephone network...
Vitalik Buterin's...
Governance, Part 2: Plutocracy Is Still Bad
over a year ago
Louwrentius
Unattended automatic installation of Linux nvidia binary driver As part of an unattended installation, it was necessary to install a binary nvidia graphics driver....
over a year ago
3
over a year ago
As part of an unattended installation, it was necessary to install a binary nvidia graphics driver. This is a manual proces by default. However, it can be done fully automatic: prerequisite: install xserver-xorg-dev package or similar xorg development package. sh NVIDIA-.run -q...
Louwrentius
The iPad will be the death of Flash So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that...
over a year ago
2
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that it lacks support for Adobe Flash. The iPhone does not support Flash either, and since the iPad is based on the iPhone OS, this should not come as a surprise. Now many people see...
Jonas Hietala
Christmas break So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
2
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Jonas Hietala
A Christmas Game I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly...
over a year ago
2
over a year ago
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly one thing on my wishlist for this christmas for my little brother: Ticket to Ride: Nordic Countries. Guess what? I got something from my wishlist! This was our 5th or 6th game (or...
Jonas Hietala
Design for Hackers I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific...
over a year ago
2
over a year ago
I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific thing. It happened again yesterday (or was it the day before I don’t know) when I saw this post on hackernews. It’s a book this time, again, but this is something a little different -...
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
2
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Good Enough
Grassroots TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
3
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff! As we’ve been...
Neil Madden
Hybrid encryption and the KEM/DEM paradigm If you know a bit about public key cryptography, you probably know that you don’t directly encrypt a...
over a year ago
2
over a year ago
If you know a bit about public key cryptography, you probably know that you don’t directly encrypt a message with a public key encryption algorithm like RSA. This is for many reasons, one of which being that it is incredibly slow. Instead you do what’s called hybrid encryption:...
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
35
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Arduino Blog
Team Ikaro scores success with the Arduino Nano RP2040 Connect! Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in...
3 months ago
35
3 months ago
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in Rome, sharing a strong passion for electronics and turning heads in the world of robotics! Specializing in Soccer Lightweight games (where robot-soccer players compete to score goals...
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years...
10 months ago
2
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years since the web version was done, and 3 since the physical copy was available… Which can hardly be called a success. Things happened, so let’s do a quick retrospective to, maybe, learn...
Willem's Blog
Designing my own watch Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical...
over a year ago
1
over a year ago
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical annual calendar designed to be understated and true to the metal.
Nabeel S. Qureshi
Films + Books, Q1 2023 What I watched and read
a year ago
Arduino Blog
Machine-to-machine communication is easier than ever: Opta now supports OPC UA OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine...
a month ago
18
a month ago
OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine communication protocol for industrial automation. It was developed by the Open Platform Communications (OPC) Foundation and is defined in detail in the IEC 62541 standard. With the...
Jonas Hietala
Changes A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but...
over a year ago
2
over a year ago
A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but there are things I’d like to change after the exam period this week. Program more! nothing since christmas or someting. I need to finish: Ada project for school. Can’t believe I...
Jonas Hietala
Death to the Forum Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It...
over a year ago
2
over a year ago
Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It was mainly a test to see if I could do it and I’m really proud of my styling of it but it’s deader than in a grave, which isn’t really surprising, and it bothered me that I didn’t...
Good Enough
TIL: Managing Raspberry Pi software with a bit less pain For the printer project I'm working on, most of the software behind it runs "in the cloud", but...
a year ago
2
a year ago
For the printer project I'm working on, most of the software behind it runs "in the cloud", but there's some software that needs to run beside each printer, to check for new things to print and manage the process of downloading and sending those things to the printer component...
Arduino Blog
Magnus is an electromagnetic exoskeleton for your hands One of the primary goals of wearable technology is to provide the user with capabilities and data...
5 months ago
37
5 months ago
One of the primary goals of wearable technology is to provide the user with capabilities and data that exceed their current abilities. And for motion, this has traditionally existed in the form of electrical muscle stimulation (EMS), where current is applied via electrodes to...
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024 I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I...
4 months ago
50
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later. Oops. I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
Jonas Hietala
Understanding the Computer When I discovered programming it felt like a whole new world opened up for me with endless...
over a year ago
2
over a year ago
When I discovered programming it felt like a whole new world opened up for me with endless possibilities. It granted unlimited power and I could create virtually anything and it explained so much to me - how did a program work? How could you make a game or a website? But there...
Gwern.net Newsletter
April 2020 gwern.net newsletter This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
over a year ago
Computer Ads from...
Dipco's Easy Reader "Sight for Sore Eyes"
a month ago
Bryan Braun - Blog
Links #11 Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
2 weeks ago
5
2 weeks ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy! Selfishness & Therapy Culture Earlier this year, there was a post in the New York Times called “Sometimes,...
Posts on Made of...
The architecture of declarative configuration management With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing...
over a year ago
2
over a year ago
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture and internal...
./techtipsy
Cool links This is an unsorted list of links that I find to be cool. slow roads sit back, relax and let the AI...
a year ago
36
a year ago
This is an unsorted list of links that I find to be cool. slow roads sit back, relax and let the AI do all the driving or don’t, I’m not your dad
Willem's Blog
Programming on Apple Watch Programming with VIM over SSH on Apple Watch using a bluetooth keyboard
over a year ago
Home on Erik...
Why I went into the mortgage industry I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
1
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Birchtree
AI, self-driving, and evolving your opinions on new tech over time Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can...
2 weeks ago
5
2 weeks ago
Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can demonstrate the reality of AI, though, is to describe how it is already being used today. Not in speculative sci-fi scenarios, but in everyday offices and laboratories and schoolrooms....
computers are bad
2024-12-21 something over New Jersey There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of...
yesterday
8
yesterday
There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of press accounts finds that some 100,000 people were reported to have witnessed aerial intruders. Despite the scant details associated with most reports, an eager press repeated the...
Matt Mullenweg
DrupalCon Singapore This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform...
a week ago
4
a week ago
This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform creators, developers, and supporters.  Last year, I had the chance to share the stage with Dries Buytaert, the founder of Drupal, and the conversation stuck with me. It highlighted the...
Simply Explained
Year in review: 2022 Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my...
a year ago
2
a year ago
Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my YouTube channel and newsletter, but there are personal reflections in here as well. Last year was an off year for me, and I'm gearing up to make up for lost time in 2023.
Odds and Ends of...
Nobody knows what the National Data Library is (not even the government) A policy wrapped in a mystery inside an enigma
a month ago
Louwrentius
'Gzip with parallel compression support: pigz' The speed at which files are compressed with gzip is currently almost always determined by the speed...
over a year ago
2
over a year ago
The speed at which files are compressed with gzip is currently almost always determined by the speed of the CPU. However, standard unix gzip is single- threaded and only uses a single CPU (core). However, the maintainer of the zlib library has released 'pigz' or 'pig-zee' whichs...
Notes on software...
AOT-compilation of Javascript with V8 tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed...
over a year ago
3
over a year ago
tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed programming languages have implementations that compile to native binaries: Python: Cython Common Lisp: SBCL Scheme: Chicken Scheme The benefits of compiling dynamically typed...
csvbase blog
Client libraries are better when they have no API fsspec is secretly everywhere, and boss
8 months ago
Odds and Ends of...
WATCH: Talking trains with Jonn Elledge! The new Overground names, why the north always loses out, and more!
3 weeks ago
Abort Retry Fail
The History of Microsoft Encarta Searchable Human Knowledge
a year ago
Jonas Hietala
Writing lessons learned after writing a book A good writer isn’t born; a good writer is created It may sound dumb, but one of my reasons for...
a year ago
3
a year ago
A good writer isn’t born; a good writer is created It may sound dumb, but one of my reasons for writing a book was to improve my writing ability. Maybe I could’ve practiced on the blog instead, but putting things on paper gave it some added weight I don’t think I would’ve gotten...
Jonas Hietala
My Dream Game: The RTS Even if there are a million great games there’s one that has a very special place in my heart:...
over a year ago
2
over a year ago
Even if there are a million great games there’s one that has a very special place in my heart: Supreme Commander. It’s not the game I’ve played the most and there might even be games which are better and more fun but supcom was the game that introduced me to competitive gaming...
Lighthouse Blog
How to combine multiple RSS feeds in one view
6 months ago
Matt Mullenweg
On with Theo / T3.gg On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled...
2 months ago
5
2 months ago
On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled This might be the end of WordPress. It was very harsh. In that video you’ll hear him say about me, “he’s a chronic hater” (7:55), “seems like he’s been a pretty petty bastard for a...
Louwrentius
A practical understanding of lead acid batteries Introduction The goal of this article is to give you a practical understanding Lead Acid batteries....
over a year ago
2
over a year ago
Introduction The goal of this article is to give you a practical understanding Lead Acid batteries. We won't address the underlying chemistry, we'll treat them as a black-box and we will discover their characteristics and how to keep them healthy. Disclaimer I'm an amateur. I...
Home on Erik...
I'm featured in Mashable This article from today in Mashable describes some of the fun stuff I get to work with: Erik...
over a year ago
2
over a year ago
This article from today in Mashable describes some of the fun stuff I get to work with: Erik Bernhardsson is technical lead at Spotify, where he helped to build a music recommendation system based on large-scale machine learning algorithms, mainly matrix factorization of big...
seangoedecke.com RSS...
Building LLM-driven agents If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just...
a year ago
2
a year ago
If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just ask it. Writing out a single prompt…
Jonas Hietala
Postmortem: A Geek Valentine Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little...
over a year ago
2
over a year ago
Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little programming urge again… This time it’s not Haskell or a new experimental game that’s luring me on, no this time it’s me longing to create this fantastic awesome epic RTS game. Sadly it’s a...
Posts on Made of...
CVE-2007-4573: The Anatomy of a Kernel Exploit CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It...
over a year ago
2
over a year ago
CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It was a local privilege-escalation vulnerability on all x86_64 kernels prior to v2.6.22.7. It’s very simple to understand with a little bit of background, and the exploit is...
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
4 months ago
50
4 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
2
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation. I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different circuits...
Home on Erik...
Welcome Echo Nest! In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been...
over a year ago
2
over a year ago
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been obsessed with understanding music for the past 8 years since it was founded by Brian Whitman and Tristan Jehan out of MIT Medialab.
Vitalik Buterin's...
Zmowa
over a year ago
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
4 days ago
6
4 days ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
seangoedecke.com RSS...
I don't know how to build software and you don't either Are microservices better than monoliths? Should teams set their own technical direction, or is it...
a month ago
4
a month ago
Are microservices better than monoliths? Should teams set their own technical direction, or is it better to have that dictated by some…
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May! Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
7 months ago
84
7 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Willem's Blog
Back to the University Join me on a special course exploring scientific programming, the perfect moment to learn Python...
a year ago
2
a year ago
Join me on a special course exploring scientific programming, the perfect moment to learn Python with recent advancements in machine learning like ChatGPT!
Abort Retry Fail
The History of Windows 3 Windows becomes competitive
a year ago
Engineers Need Art
SystemSix SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an...
over a year ago
58
over a year ago
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an e-ink display.
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
2
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
Posts on Made of...
What MongoDB got Right MongoDB is perhaps the most-widely-mocked piece of software out there right now. While some of the...
over a year ago
2
over a year ago
MongoDB is perhaps the most-widely-mocked piece of software out there right now. While some of the mockery is out-of-date or rooted in misunderstandings, much of it is well-deserved, and it’s difficult to disagree that much of MongoDB’s engineering is incredibly simplistic,...
computers are bad
2023-02-17 something up there pt II As we discussed previously, the search for UAP is often contextualized in terms of the events of...
a year ago
51
a year ago
As we discussed previously, the search for UAP is often contextualized in terms of the events of 2017: the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow and Tom DeLonge. While widely publicized, these programs seem to have lead to very little. I...
Good Enough
Fixing Things In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
2
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Simply Explained
ESP32 Cam: cropping images on device The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640...
over a year ago
3
over a year ago
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640 sensor has a max resolution of 1600x1200, but sometimes you don't need the entire image.In this post I'll show how to crop the images on the ESP32 itself, before sending it of to...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980) This British inventor speaking about his ZX-80 computer system
2 weeks ago
Neil Madden
CVE-2022-21449: Psychic Signatures in Java The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
2
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
Applied Cartography
How Buttondown uses HAProxy There are few technical decisions I regret more with Buttondown than the decision to combine the...
3 months ago
2
3 months ago
There are few technical decisions I regret more with Buttondown than the decision to combine the author-facing app, the subscriber-facing app, and the marketing site all under a single domain. Most technical decisions are reversible with sufficient grit and dedication; this one...
Birchtree
My favorite (and least favorite) movies of 2024 I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
a week ago
5
a week ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Vitalik Buterin's...
What kind of layer 3s make sense?
over a year ago
./techtipsy
DIY cloud gaming setup with VFIO, Parsec and AMD This is a follow-up to my previous post where I covered the VFIO setup in general. For many people...
over a year ago
36
over a year ago
This is a follow-up to my previous post where I covered the VFIO setup in general. For many people that would have been good enough, but my goal with this setup was to have a powerful gaming setup that I could access from my living room PC with 20 meters of Ethernet cables...
Home on Erik...
Annoy Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm...
over a year ago
3
over a year ago
Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm not trying to compete with existing packages, but Annoy has a couple of features that makes it pretty useful.
Louwrentius
Google DNS - what to think of it? Google now provide an open DNS service. At first I was scared that they use their service to get...
over a year ago
3
over a year ago
Google now provide an open DNS service. At first I was scared that they use their service to get information about users. However, their privacy statement tells us that no personal identifiable information is stored for longer than 48 hours. The permanent logs do not contain such...
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Matt Blewitt
On That Okta LDAP Bug A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance...
a month ago
4
a month ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Odds and Ends of...
Odds and Ends #42: An Elizabeth Line extension, some mad planning law nonsense, and the world's most... Your regular round-up of interesting links
a month ago
./techtipsy
Strangling your service with a Kubernetes misconfiguration This is a quick story about a fun discovery that I made a while ago. For legal reasons, all of this...
over a year ago
40
over a year ago
This is a quick story about a fun discovery that I made a while ago. For legal reasons, all of this is made up and no such service ever existed. Once upon a time, we had this Java service that handled all the backend work that you’d expect to occur for a product with a web...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
2
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Applied Cartography
Keeping a technical edge Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss...
3 months ago
3
3 months ago
Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss of being at a large company, which is dealing with deeply cutting-edge technical problems, but my ability to analyze information, make decisions, and perform at a high-level has...
Computer Ads from...
Black Friday - Happy Birthday sale Let's mix things up!
3 weeks ago
computers are bad
2024-03-17 wilhelm haller and photocopier accounting In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first...
9 months ago
87
9 months ago
In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first practical method of mass-duplicating text. After various other projects, he applied his press to the production of the Bible, yielding over one hundred copies of a text that...
Home on Erik...
Running Theano on EC2 Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning...
over a year ago
2
over a year ago
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), and compiles it down into bytecode to run...
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
4
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Computer Ads from...
Maxell's MF 2-DD Floppies The Gold Standard
3 weeks ago
Construction Physics
How We Got the Lithium-ion Battery It took decades of research, performed around the world, before a practical lithium-ion battery was...
3 weeks ago
Neil Madden
Making things I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
2
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Willem's Blog
How to use rsync to make backups In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
2
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806) In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!-...
6 months ago
3
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl) 13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Jonas Hietala
What's up It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other...
over a year ago
2
over a year ago
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other stuff. I’ve thought about you but I just never really picked up emacs to write to you. I know it’s my fault but I beg of your mercy mr. Blog. You know that I had laid off school for...
Notes on software...
Interview With Phil of DataStation This is an external interview. Click here if you are not redirected.
over a year ago
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
5 months ago
somenice
Painting of Russet Lake Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the...
3 months ago
36
3 months ago
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the natural world is alive with vibrant colours and serene beauty. One of the most stunning scenes unfolds at Russet Lake, where the iconic Fissile Mountain is mirrored perfectly in the...
Home on Erik...
Looking for smart people I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
2
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Notes on software...
Generating a REST API from a database I recently published an alpha version of a code generation tool, DBCore, that reads a...
over a year ago
2
over a year ago
I recently published an alpha version of a code generation tool, DBCore, that reads a database schema from PostgreSQL or MySQL and generates an entire Go API with CRUD operations, pagination, filtering, and authentication. But more than just generating code like xo/xo or...
Applied Cartography
Things take time Things take time. Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi...
7 months ago
2
7 months ago
Things take time. Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi Nintendo & Co., LTD — was established nearly fifty years later, in 1933. They spent forty years selling playing cards, then another decade operating merely as a distributor of...
Good Enough
PEOs are Good Enough (for us) Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
2
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about! If...
Jonas Hietala
Battling burnout Mamma Mia! Here we go again… Once again, I’m finding myself trying to recover from burnout, and...
a year ago
2
a year ago
Mamma Mia! Here we go again… Once again, I’m finding myself trying to recover from burnout, and after about a year I’m finally feeling more like myself. Even though I’ve been here before, it’s a difficult thing to recognize and avoid, so I’m writing this to maybe help you or my...
Lighthouse Blog
Overview of content
6 months ago
Posts on Made of...
6.170, CVS, and SVN I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
2
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
29
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
Construction Physics
Born Sleeping A personal post about the loss of our son
3 months ago
Applied Cartography
October, 2024 Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
4
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought): On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
Louwrentius
Creating storage benchmark charts with FIO and GNUplot Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform...
over a year ago
2
over a year ago
Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform storage IO performance benchmarks. FIO does provide a script called "fio_generate_plots" which generates PNG or JPG based charts based on the data generated by FIO. The charts are...
Good Enough
That time Marvel secretly endorsed my podcast with “the greatest comic book cover of all time” This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a...
a year ago
2
a year ago
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a record of this somewhere on the internet!” and I don’t have my own blog. Years ago my friend and I ran a radio show called Gorilla Madness, which we also spun out into a podcast after...
Lighthouse Blog
How to manage tags
6 months ago
Notes on software...
How I run a software book club I've been running software book clubs almost continuously since last summer, about 12 months ago. We...
6 months ago
2
6 months ago
I've been running software book clubs almost continuously since last summer, about 12 months ago. We read through Designing Data-Intensive Applications, Database Internals, Systems Performance, and we just started Understanding Software Dynamics. The DDIA discussions were...
Good Enough
Strong Prototypes, Weakly Held Excuse any obtuse thoughts that make their way into this writing. I sat down to type with My Life in...
a year ago
1
a year ago
Excuse any obtuse thoughts that make their way into this writing. I sat down to type with My Life in the Bush of Ghosts by Brian Eno and David Byrne as my soundtrack. This is an album I've never listened to before, and apparently I'm supposed to love it or hate it. Mostly the...
Willem's Blog
Rolex DateJust 36 Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
2
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
computers are bad
2024-01-06 usb on the go USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption...
11 months ago
73
11 months ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption until some years later; for most of the '90s RS-232-ish serial and its awkward sibling the parallel port were the norm for external peripheral. It's sort of surprising that USB...
Jonas Hietala
September theme: Failure I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
3
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site. Let’s rock!!
Willem's Blog
Swimming and cycling with Apple Watch This month I tested the newest watchOS while swimming and cycling.
over a year ago
Vitalik Buterin's...
What do I think about network states?
over a year ago
Lars Lofgren
Why I’m Switching Web Hosts Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple....
over a year ago
3
over a year ago
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple. This was before WP Engine was around. At the time, MediaTemple had carved out a nice niche for themselves as the premium web host. Tim Ferriss also raved about them back in the day....
./techtipsy
My experience at the k-space hackerspace hackathon k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in...
a year ago
36
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no expectations about building a business or coming up with an MVP, just come on down to the space and start working on...
Louwrentius
Why security is all about defense in depth Many people asume that if you regularly update your computer, you are safe from hackers. But nothing...
over a year ago
3
over a year ago
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing could be further from the truth. Keeping your systems up-to-date only protects you against exploits for publicly known vulnerabilities. Your systems are still not protected...
Jonas Hietala
Before the Games: The Site I’ve got some things I want to do before I start with my next game and they’re all about improving...
over a year ago
3
over a year ago
I’ve got some things I want to do before I start with my next game and they’re all about improving the site. The last week or so has been extremely productive with me throwing out a lot of wasted code, speeding up the site and adding/removing features and I want to continue with...
Applied Cartography
Stripe Sessions 2024 Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
3
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
Home on Erik...
How to hire smarter than the market: a toy model Let's consider a toy model where you're hiring for two things and that those are equally valuable....
over a year ago
2
over a year ago
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
Arduino Blog
These Shattered Space helmet replicas stay video game accurate using an Arduino Nano Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called...
2 months ago
17
2 months ago
Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called “Shattered Space” in which players can don novel weapons and gear to take on the latest challenge. As part of its release, the expansion’s publisher Bethesda reached out to cosplayer...
anderegg.ca
Using WordPress is risky It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the...
a month ago
4
a month ago
It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the background, but I’ve been trying to ignore it. This morning I read a story that bothered me enough to require another round of therapy-by-blog-post. First up, a couple of things that...
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Posts on Made of...
Write yourself an strace in 70 lines of code Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
2
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Arduino Blog
Amassing a mobile Minion militia Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the...
4 months ago
31
4 months ago
Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the public in local shopping malls. Building one minion robot is, in theory, pretty straightforward. That is especially true when, like these, that robot isn’t actually bipedal and...
Home on Erik...
I already found the best gifs Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From...
over a year ago
2
over a year ago
Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
lcamtuf’s thing
Deep dive: the (in)stability of op-amps A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
a month ago
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Notes on software...
What makes a great technical blog I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely...
8 months ago
3
8 months ago
I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely about non-corporate tech blogs. So this post is too. I'll have to make another list for favorite corporate tech blogs. In short, they: Tackle hard and confusing topics Show working...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
Jonas Hietala
Making a Game Again? I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my...
over a year ago
2
over a year ago
I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my glasses-missing headaches and I’m going to Ikea and some other shops for, you guessed it, shopping! Sure it’s fun and sure I need to do these things but the only thing on my mind now is...
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
3
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Louwrentius
Improving iSCSI Native Multi Pathing Round Robin performance 10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must...
over a year ago
2
over a year ago
10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must also upgrade your network hardware as well. You may even need to replace existing fiber optic cabling if it's not rated for 10 Gbit. So I decided to still just go for plain old 1...
Willem's Blog
Rescuing photos from a crashed iMac This week I attempted to recover two decades of personal photo history from a crashed iMac.
over a year ago
Arduino Blog
“Catch me if you can!” — How Alvik learns to dodge trouble with AI, featuring Roni Bandini Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make...
3 months ago
28
3 months ago
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make for an awesome project”? That’s exactly what happened to Roni Bandini, maker, writer, electronics artist – and Arduino Alvik Star!  Bandini began coding at 10 years old, and has...
GitButler
Git Merge 2024 Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
2 months ago
Louwrentius
Tracking down a faulty Storage Array Controller with ZFS One day, I lost two virtual machines on our DR environment after a storage vMotion. Further...
over a year ago
3
over a year ago
One day, I lost two virtual machines on our DR environment after a storage vMotion. Further investigation uncovered that any storage vMotion of a virtual machine residing on our DR storage array would corrupt the virtual machine's disks. I could easily restore the affected...
Home on Erik...
Simple sabotage for software CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
2
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...