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computers are bad
2023-09-03 plastic money You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in...
a year ago
133
a year ago
You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in them. Of course we know that that isn't the case; our modern plastic card payment network relies on online transactions where the balance tracking and authorization decisions happen...
Willem's Blog
Half Marathon Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness -...
a year ago
22
a year ago
Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness - read about my experiences!
Home on Erik...
The eigenvector of "Why we moved from language X to language Y" I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I...
over a year ago
17
over a year ago
I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I forgot which one) and I started wondering if you can generalize it a bit. Is it possible to generate a N * N contingency table of moving from language X to language Y?
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
19
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...
Home on Erik...
Blogroll Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is...
over a year ago
16
over a year ago
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny. I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years.
Willem's Blog
Cash is king, or is it? Is the time right to ditch the wallet?
over a year ago
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...
a year ago
63
a year 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...
Birchtree
Claude finally gets its “thinking” update Anthropic released Claude 3.7 yesterday, and as a bit of a Claude stan myself, it’s fair to say I...
4 months ago
25
4 months ago
Anthropic released Claude 3.7 yesterday, and as a bit of a Claude stan myself, it’s fair to say I was excited to see it. The last few months have seen meaningful updates to GPT and Gemini, and in an industry moving at this rate, Anthropic felt like
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
17
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
Odds and Ends of...
The Lower Thames Crossing, getting mad at boomers and the scourge of Everythingism Plus we're 18,000 homes closer to the, er, 1.5 million homes target
3 months ago
Louwrentius
Release of PPSS - the Parallel Processing Shell Script PPSS is a shell script that processess files or other items in parallel. It is designed to make use...
over a year ago
16
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is designed to make use of the current multi-core CPUs. It will detect the number of available CPUs and start a thread for each CPU core.  This script is build with the goal to be very easy to use. Also,...
Arduino Blog
Alvik Fight Club: A creative twist on coding, competition, and collaboration What happens when you hand an educational robot to a group of developers and ask them to build...
4 days ago
6
4 days ago
What happens when you hand an educational robot to a group of developers and ask them to build something fun? At Arduino, you get a multiplayer robot showdown that’s part battle, part programming lesson, and entirely Alvik. The idea for Alvik Fight Club first came to life during...
Home on Erik...
Momentum strategies Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
15
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
Never Met a Science
"Republic.com 2.0" is a terrible book title we don't always need citations to justify research
6 months ago
./techtipsy
Zimaboard: the closest thing to my dream home server setup I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally...
a year ago
169
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally bought one. In short, Zimaboard is a small single-board computer that is relatively affordable and comes with an interesting selection of ports, which includes an exposed PCI...
Jonas Hietala
Vacation Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and...
over a year ago
19
over a year ago
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and not doing anything. Well, I did get my ass kicked in Terra Mystica and I played a bit of Minecraft, but still. We got some nice food and my in-laws and my parents were nice. I’m...
Louwrentius
ZFS performance on HP Proliant Microserver Gen8 G1610T I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your...
over a year ago
37
over a year ago
I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your own ZFS-based NAS. The benchmarks I've performed seem to confirm this. The Microserver Gen8 has nice features such as: iLO (KVM over IP with dedicated network interface) support...
Posts on Made of...
Measuring Capacity Through Utilization (This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts...
over a year ago
17
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”. By this I mean: If you look at the behavior of a...
Jonas Hietala
2016 Read Books Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel...
over a year ago
17
over a year ago
Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel better I’ll add in some new mangas I’ve read, but I may may have missed some. Fiction Crickets Non-Fiction Getting to Yes Relax into Stretch Thinking, Fast and Slow 59 seconds The...
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
Elevation Lab - Blog
Introducing ElevationDock 5 It's hard to believe it's been 10 years since the original ElevationDock launched on Kickstarter,...
over a year ago
14
over a year ago
It's hard to believe it's been 10 years since the original ElevationDock launched on Kickstarter, breaking crowdfunding records.  ElevationDock 5 is our best version yet - ultra-fast charging with USB-C to Lighting, precision machined ultra-smooth adjustment to perfectly fit your...
Neil Madden
Multiple input MACs When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
26
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Birchtree
Comfort Zone: OLED Dreams and Studio Display Realities Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I...
6 months ago
52
6 months ago
Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I defend a new purchase…oh, and we have some fun with desks that sadly ends in Vision Pro slander. Why does this keep happening?! Watch on YouTube
lcamtuf’s thing
The Rapture It’s fascinating how these vascular bundles, containing xylem and phloem, are arranged in a ring...
3 months ago
29
3 months ago
It’s fascinating how these vascular bundles, containing xylem and phloem, are arranged in a ring located beneath the skin (periderm) and the cortex.
Himanshu Mishra |...
Collection of Linux fortunes ❤ fortune | cowsay This is about how I maintain the space...
over a year ago
12
over a year ago
fortune | cowsay This is about how I maintain the space https://github.com/OrkoHunter/mfdf/blob/master/fortunesfortune is a Unix program…
Jonas Hietala
Dijkstra's Algorithm For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
18
over a year ago
For rust, I’m updating the documentation for the standard library and specifically with the collections. For the priority queue I had the idea to use Dijkstra’s algorithm as a fun example. That idea was well received and that example is now live. At first I wanted to use A* to...
Jonas Hietala
A Four-Eyed Update Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
14
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool. I took home three frames I think and tried them out and I settled some I...
Louwrentius
IKEA $50 VINDSTYRKA vs. $290 Dylos air quality monitor This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with...
a year ago
24
a year ago
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with a $290 air quality monitor made by Dylos to see if it's any good. Context If you care about indoor air quality, you may already own a CO2 to determine if it's time to ventilate...
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Lighthouse Blog
Updates June 07
a year ago
Home on Erik...
My favorite management failures For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
17
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine There is something inherently intriguing about submarines that doesn’t seem to apply to other...
11 months ago
81
11 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Good Enough
TIL: Overriding Permalink Generation in FriendlyId FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails...
10 months ago
20
10 months ago
FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails applications. In Pika we're using it to help with generating permalinks for blog posts and pages as well as slugs for tags. When a customer wrote in with a request to modify the behavior of...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Home on Erik...
hdfs2cass Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
17
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
Arduino Blog
Arduino Days 2025 is almost here! With just a few days to go, Arduino Days 2025 promises to be one of the biggest and most exciting...
4 months ago
33
4 months ago
With just a few days to go, Arduino Days 2025 promises to be one of the biggest and most exciting events in our 20-year history! Join us for two days of live-streamed content on March 21st-22nd, featuring inspiring talks, major product announcements, and community showcases from...
Computer Ads from...
Plus Post: VTech Laser MSX2 The exciting new MSX computer with more features for less money
3 months ago
Lighthouse Blog
How to import feeds in Lighthouse
a year ago
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
17
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
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...
7 months ago
35
7 months 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...
Arduino Blog
Enjoy a perpetual solar eclipse with this machine Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A...
a year ago
76
a year ago
Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A total eclipse will occur somewhere on Earth once every 18 months or so, but that is more likely to track across the middle of the Pacific Ocean than wherever you happen to be....
Birchtree
Oh my gosh, I can try the horse browser! Listen or watch now! Niléane brings a spicy browser extension, Chris works through some iPad...
3 months ago
25
3 months ago
Listen or watch now! Niléane brings a spicy browser extension, Chris works through some iPad feelings, and Matt made the gang decide what app they consider "undefeated". We want to hear from you! How would you have done our challenges? How would you answer the question
Jonas Hietala
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
over a year ago
15
over a year ago
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
Louwrentius
'Zabbix Security: client-server communication seems insecure' Zabbix is a populair tool for monitoring servers, services and network equipment. For monitoring...
over a year ago
19
over a year ago
Zabbix is a populair tool for monitoring servers, services and network equipment. For monitoring hosts, Zabbix provides an agent that can be installed on the hosts that must be monitored. Based on the supplied documentation and some remarks on the internets, the 'security' of...
Birchtree
OpenAI is early Googling late-stage Google Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From...
6 months ago
48
6 months ago
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From the 2000s In order for Google to keep its crown, it needs to remember what it was in the 2000s and a bit of luck. Seeing Google grow from the
Odds and Ends of...
Odds and Ends #51: Transport for London made a terrible decision and I hope they reverse it Plus Britain's broken car market, what the LibDems should do next and how some lefty institutions...
6 months ago
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
21
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...
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
10 months ago
76
10 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
Arduino Blog
Using a racing sim rig with a real RC car Most of us will never get a chance to drive a Ferrari F50 around the Nürburgring in real life, but...
3 months ago
30
3 months ago
Most of us will never get a chance to drive a Ferrari F50 around the Nürburgring in real life, but we can all do so in a racing sim. To get the most out of that experience, many people build serious and elaborate racing sim rigs. What if one could use their racing sim rig […] The...
Matt Blewitt
Point and Call It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter...
over a year ago
18
over a year ago
It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter Expert (SME) for. Sleepy, you load up the playbook for when the SplineReticulatorBlocked alert has gone off, and start executing. The Incident Commander (IC) is vaguely aware of what...
Birchtree
NVIDIA finally gets some competition Tom Warren for The Verge: AMD Radeon RX 9070 / 9070 XT Review and Benchmarks The RX 9070 is around...
4 months ago
25
4 months ago
Tom Warren for The Verge: AMD Radeon RX 9070 / 9070 XT Review and Benchmarks The RX 9070 is around 17 percent faster than Nvidia’s RTX 5070 in 4K without upscaling enabled, cruising past Nvidia’s card for the same price. The RX 9070 XT is as fast
Posts on Made of...
Three kinds of memory leaks So, you’ve got a program that’s using more and more over time as it runs. Probably you can...
over a year ago
18
over a year ago
So, you’ve got a program that’s using more and more over time as it runs. Probably you can immediately identify this as a likely symptom of a memory leak. But when we say “memory leak”, what do we actually mean? In my experience, apparent memory leaks divide into three broad...
Jonas Hietala
2021 in review A new year is always a good time to review the past year. Funny how this is already the 12th year...
over a year ago
18
over a year ago
A new year is always a good time to review the past year. Funny how this is already the 12th year I’ve done this kind of quick review… Time sure flies. 2021 Non-Geek Achievements Started strength training using a strength coach from Kabuki. I got inspired by the book Peak that...
Abishek Muthian
Pricing Bone Health Tracker Premium Track your bone health, Monitor the progress of your treatments. Get...
4 months ago
39
4 months ago
Bone Health Tracker Premium Track your bone health, Monitor the progress of your treatments. Get more reports and cloud sync for just ₹1,332.21/year Free Premium Parsed BMD reports ✓ ✓ Skeleton visualization ✓ ✓ T-Score chart ✓ ✓ Z-Score chart ✓ ✓ Submit reports without private...
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
a year ago
13
a year ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
Posts on Made of...
Two kinds of testing While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
21
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Willem's Blog
Protecting VMware ESXi In response to a possible security breach on a VMware ESXi host machine, I search for a way to...
over a year ago
19
over a year ago
In response to a possible security breach on a VMware ESXi host machine, I search for a way to improve security of the management console using NGINX and a firewall
Vitalik Buterin's...
Multidimensional gas pricing
a year ago
Notes on software...
What's the big deal about key-value databases like FoundationDB and RocksDB? Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document...
over a year ago
19
over a year ago
Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document databases like MongoDB and Elasticsearch. You probably know Redis too. But you're hearing more and more about embedded key-value stores like RocksDB, LevelDB, PebbleDB, and so on....
./techtipsy
Oops, I published my drafts! Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
a year ago
118
a year ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time I published my FOSDEM 2024 post. Oops. I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Louwrentius
Linux RAID 6 performance using software RAID So after toying around with RAID 0 just for fun, time to get serious. I created a RAID 6 of 10 x 1...
over a year ago
16
over a year ago
So after toying around with RAID 0 just for fun, time to get serious. I created a RAID 6 of 10 x 1 TB disks. This gives me raw device read speeds of 850 MB/s and write speeds of 300 MB/s. I think this is exactly what should be expected, but boy it is damn fast. Especially the...
Willem's Blog
Hospitalised with MCADD This week our son was hospitalised because a regular illness caused him to keep vomiting, a...
over a year ago
16
over a year ago
This week our son was hospitalised because a regular illness caused him to keep vomiting, a dangerous situation if you're diagnosed with MCADD.
./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
61
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...
Never Met a Science
in the belly of the MrBeast what does MrBeast mean?
6 months ago
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...
a year ago
58
a year 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
Why filtering DHCP traffic is not always possible with iptables When configuring my new firewall using iptables, I noticed something very peculiar. Even if all...
over a year ago
17
over a year ago
When configuring my new firewall using iptables, I noticed something very peculiar. Even if all input, forward and output traffic was dropped, DHCP traffic to and from my DHCP server was not blocked even if there were no rules permitting this traffic. I even flushed all rules,...
Avestura's Blog
Problems of C, and how Zig addresses them What are the problems of C, and how Zig addresses them?
over a year ago
computers are bad
2024-08-19 mining for meteors Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading...
11 months ago
98
11 months ago
Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading Post, a small store a few miles out of Joseph City, would hardly be remembered were it not for its billboards spanning four states. The tradition of far-advance billboards is still...
Computer Ads from...
Apple IIe and IIc Design Manager Peter Quinn Interviewed by BYTE's Gregg Williams A behind-the-scenes look at the development of the Apple IIe and IIc.
a year ago
Old Vintage...
So thieves broke into your storage unit - again If you've been wondering why entries have been a little slow lately, let me tell you a story. All...
9 months ago
14
9 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story. All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
The Pragmatic...
How does ChatGPT work? As explained by the ChatGPT team. For those of us who have not spent the past few years building ChatGPT from the ground up, how does...
a year ago
123
a year ago
For those of us who have not spent the past few years building ChatGPT from the ground up, how does it work? From Evan Morikawa, who leads the Applied engineering team at OpenAI
The New Oil
Nowhere to Go When The Sky is the Limit
2 months ago
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
15
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
Louwrentius
Statistics showing relevance of caching proxy In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe...
over a year ago
16
over a year ago
In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe that the answer could be: quite! I have installed a caching proxy server based on Squid, which is now used within my company. It also does content scanning using squidclamav and...
Applied Cartography
Improving Django's default pagination performance Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
11 months ago
17
11 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can. The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
Neil Madden
Regular JSON For better or worse, depending on your perspective, JSON has become a dominant data format and shows...
over a year ago
19
over a year ago
For better or worse, depending on your perspective, JSON has become a dominant data format and shows no signs of being replaced any time soon. There are good reasons for that: on the face of it, it provides a very simple format with just enough features to cover a lot of...
Arduino Blog
Elevate your IoT with ultra-wideband: Meet Arduino Stella and Portenta UWB Shield! We are proud to announce two groundbreaking additions to the Arduino Pro portfolio: the Arduino...
a month ago
16
a month ago
We are proud to announce two groundbreaking additions to the Arduino Pro portfolio: the Arduino Stella and Portenta UWB Shield, developed in partnership with Truesense. These advanced tools leverage ultra-wideband (UWB) technology to redefine precision tracking, indoor...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
9 months ago
Louwrentius
Creating configuration backups of HP procurve switches I've created a tool called procurve-watch. It creates a backup of the running switch configuration...
over a year ago
15
over a year ago
I've created a tool called procurve-watch. It creates a backup of the running switch configuration through secure shell (using scp). It also diffs backed up configurations against older versions, in order to keep track of changes. If you run the script from cron every hour or...
Willem's Blog
Open-Sourcing Gran Fondo I am open-sourcing the Gran Fondo app that tracks runs and rides, designed for privacy and freedom...
4 months ago
31
4 months ago
I am open-sourcing the Gran Fondo app that tracks runs and rides, designed for privacy and freedom in mind.
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
18
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
Louwrentius
Most Technical debt is just bullshit Introduction I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
33
over a year ago
Introduction I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to: cover up bad code cover up unfinished work source1 Calling...
Jonas Hietala
Getting Comfortable So I physically built the computer and now I’ve been using it a while, configuring stuff and getting...
over a year ago
15
over a year ago
So I physically built the computer and now I’ve been using it a while, configuring stuff and getting used to my new screens. I think they’re about three times wide as my old laptop and now I have this one huge vertical space which is absolutely wonderful for surfing forums and...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home Ask your friends about their favorite games at the arcade and the most common answer will likely be...
a year ago
120
a year ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Abort Retry Fail
The Birth of Windows Gaming Software is a fluid that expands to fill its container
a year ago
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
9 months ago
75
9 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
Birchtree
A lot changed for LLMs in 2024 I thought this was a fascinating post by Simon Willison: Things We Learned About LLMs in 2024 This...
6 months ago
51
6 months ago
I thought this was a fascinating post by Simon Willison: Things We Learned About LLMs in 2024 This increase in efficiency and reduction in price is my single favourite trend from 2024. I want the utility of LLMs at a fraction of the energy cost and it looks like that&
Computer Ads from...
Anchor Pad Two experts want your computer. Which one will get to it first?
4 months ago
Birchtree
Here we go… Jay Peters reporting on yesterday's Epic vs Apple trial decision: Epic Games v. Apple judge Yvonne...
2 months ago
7
2 months ago
Jay Peters reporting on yesterday's Epic vs Apple trial decision: Epic Games v. Apple judge Yvonne Gonzalez Rogers just ruled that, effective immediately, Apple is no longer allowed to collect fees on purchases made outside apps and blocks the company from restricting how...
Lighthouse Blog
What I want to achieve with Lighthouse
a year ago
Arduino Blog
Arduino’s Alvik Robot shortlisted for the Bett Awards 2025 in the AV, VR/AR, Robotics, and Digital... We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025,...
8 months ago
57
8 months ago
We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025, this time in the AV, VR/AR, Robotics, or Digital Device category with our Alvik robot! This recognition highlights our dedication to innovation, inclusivity, and the advancement of...
Abort Retry Fail
The Tandy Corporation, Part 2 Trash-80s get Colorful, and Trash-80s get into your pockets
a month ago
Engineers Need Art
VPX Scripting - Part 5 (DOF) Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
a year ago
./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...
11 months ago
82
11 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...
Good Enough
TIL: Turbo Frames DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed....
over a year ago
17
over a year ago
DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed. As we have updated libraries, including Rails, the API has changed. In order to get the calendar navigation working again, I had to pull out some old hacks that made use of...
Jonas Hietala
How I did the layout for my self-published book This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
a year ago
18
a year ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version. I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things. Web page I started...
Greater Still by...
Good Things Take Time A crypto whitepill with Bridget Harris
11 months ago
Neil Madden
Galois/Counter Mode and random nonces It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain...
a year ago
32
a year ago
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
a year ago
115
a year ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
Himanshu Mishra |...
Python's easter eggs and hidden jokes Just when you thought, Python could not be more fun. Read on GitHub...
over a year ago
12
over a year ago
Just when you thought, Python could not be more fun. Read on GitHub https://github.com/OrkoHunter/python-easter-eggs 1. Hello World 2. The…
Willem's Blog
Cyber security: 5 easy tips to protect your server against hackers These 5 practical cyber security measures will improve the safety of server, website and data.
over a year ago
Christian Selig
Juno 1.1 If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was...
a year ago
65
a year ago
If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was such a cool feeling to release an app on day one of the Apple Vision Pro’s launch, and having people be so excited about it and have such great feedback made it that much better....
Himanshu Mishra |...
#DeleteFacebook After letting Facebook Inc. build a vast profile of me for 9 years, I deleted my facebook account....
over a year ago
12
over a year ago
After letting Facebook Inc. build a vast profile of me for 9 years, I deleted my facebook account. Privacy is not my only concern, but I…
Neil Madden
API Security in Action handed over to production After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
23
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
Ken Shirriff's blog
The origin and unexpected evolution of the word "mainframe" What is the origin of the word "mainframe", referring to a large, complex computer? Most sources...
5 months ago
61
5 months ago
What is the origin of the word "mainframe", referring to a large, complex computer? Most sources agree that the term is related to the frames that held early computers, but the details are vague.1 It turns out that the history is more interesting and complicated than you'd...
Applied Cartography
Globals in Histoire Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to...
a year ago
19
a year ago
Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to Storybook — a little bit uglier, with worse documentation and a couple rough edges, but much more tightly integrated with Vue and Vite. [1] One thing that was not particularly...
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
17
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Home on Erik...
Top posts These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page...
over a year ago
16
over a year ago
These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page views): 2024 It's hard to write code for computers, but it's even harder to write code for humans 2023 Simple sabotage for software 2022 We are still early with the cloud: why...
Jorge Arango
Why Website Taxonomies Drift (and What to Do about It) AI is everywhere, but most websites are still managed manually by humans using content management...
4 months ago
28
4 months ago
AI is everywhere, but most websites are still managed manually by humans using content management systems like WordPress and Drupal. These systems provide means for tagging and categorizing content. But over time, these structures degrade. Without vigilance and maintenance,...
Jonas Hietala
Hearthstone on Wine I like Hearthstone and recently the next expansion Goblins vs Gnomes so I wanted to install and play...
over a year ago
14
over a year ago
I like Hearthstone and recently the next expansion Goblins vs Gnomes so I wanted to install and play it. It didn’t work in vanilla wine, with a “time out error”, but I found a bug report which makes it work. Here’s a short summary: Get wine source from git. My version was...
Willem's Blog
Go Viral on X Learn how to go viral on X using simple logic in creating engaging posts.
8 months ago
Jorge Arango
AI Needs Architects – That’s Why I’m Pivoting In over thirty years in business, two technological shifts have fundamentally changed my work. The...
5 months ago
36
5 months ago
In over thirty years in business, two technological shifts have fundamentally changed my work. The first was the web in the mid 1990s, which led me to leave architecture and focus on what we now call UX. The second is happening now – and it may be bigger. AI is poised to reshape...
Louwrentius
How to setup a local or private Ubuntu Mirror Preface In this article I provide instructions on how to setup a local Ubuntu mirror using...
over a year ago
75
over a year ago
Preface In this article I provide instructions on how to setup a local Ubuntu mirror using debmirror. To set expectations: the mirror will work as intended and distribute packages and updates, but a do-release upgrade from one major version of Ubuntu to the next won't...
Arduino Blog
Hey Google! Meet Arduino Cloud We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
a year ago
114
a year ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions.  This new...
Posts on Made of...
todo.pl ratmenu broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t...
over a year ago
16
over a year ago
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t use a mac, but I don’t see why linux users shouldn’t get fun toys to. So I hacked up the following two-liner that uses todo.pl and ratmenu to pop up a list of tasks, and mark one...
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
15
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
lcamtuf’s thing
Random objects: Guycot & Jarre Early repeating handguns, or another unnecessary excursion into the bowels of history.
a year ago
Willem's Blog
Business in a bag After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
over a year ago
18
over a year ago
After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
Notes on software...
Extending gosql to supporting LIMIT and OFFSET It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface...
over a year ago
18
over a year ago
It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface for data stored in S3. But one missing critical feature in gosql is LIMIT and OFFSET support. This post walks through the few key changes to gosql to support LIMIT and OFFSET. You...
Applied Cartography
Are monopolies bad, actually? One of the more interesting theses advanced by Zero to One [1] is that monopolies are good to the...
a year ago
18
a year ago
One of the more interesting theses advanced by Zero to One [1] is that monopolies are good to the extent that they afford companies the agency and comfort to engage in long-term activities: Monopolists can think about things other than making money; non-monopolists can’t. In...
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.
8 months ago
./techtipsy
You can use almost anything as a key file for your encrypted storage device Imagine that you have an unencrypted drive containing your private data and one day it starts...
8 months ago
74
8 months ago
Imagine that you have an unencrypted drive containing your private data and one day it starts throwing a bunch of errors. You have backups of the data so you’ve got that part covered, but would you feel comfortable sending the drive in to be warrantied? You have no control over...
Good Enough
TIL: Victory Symbol We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than...
over a year ago
18
over a year ago
We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than Safari––it was playing smart and rendered the unicode character as an emoji. Lettini found a fix though! Append this string of code to the symbol: &#xFE0E;. So &#9996;&#xFE0E; renders...
Computer Ads from...
Applied Analytics' MicroSPEED Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
a year ago
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh,...
9 months ago
99
9 months ago
I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh, big deal! It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box. It also ships with a fresh Linux kernel version1,...
Krebs on Security
U.S. Soldier Charged in AT&T Hack Searched “Can Hacking Be Treason” A U.S. Army soldier who pleaded guilty last week to leaking phone records for high-ranking U.S....
4 months ago
17
4 months ago
A U.S. Army soldier who pleaded guilty last week to leaking phone records for high-ranking U.S. government officials searched online for non-extradition countries and for an answer to the question "can hacking be treason?" prosecutors in the case said Wednesday. The government...
Construction Physics
Energy Cheat Sheet Building an intuition about energy
7 months ago
Matt Mullenweg
Hash tables “You didn’t just come up with a cool hash table,” he remembers telling Krapivin. “You’ve actually...
5 months ago
34
5 months ago
“You didn’t just come up with a cool hash table,” he remembers telling Krapivin. “You’ve actually completely wiped out a 40-year-old conjecture!” There’s a delightful article on an undergraduate discovering an optimization in a very basic computer science principle.
Arduino Blog
Monitoring the weather with an Arduino MKR WiFi 1010-based station Being able to monitor the weather in real-time is great for education, research, or simply to...
a year ago
126
a year ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
./techtipsy
I held a talk about my self-hosting adventure! There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
over a year ago
89
over a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about that in the future). The talk took place on May 25th 2023 at...
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Jonas Hietala
Drawing a self portrait Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m...
over a year ago
17
over a year ago
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m really slow so I stopped a bit before it really was finished. Obviously I’d like it to be a bit better, but I’m still a little happy about the glasses and the eyebrows. The mouth...
Krebs on Security
DOGE to Fired CISA Staff: Email Us Your Personal Data A message posted on Monday to the homepage of the U.S. Cybersecurity & Infrastructure Security...
4 months ago
38
4 months ago
A message posted on Monday to the homepage of the U.S. Cybersecurity & Infrastructure Security Agency (CISA) is the latest exhibit in the Trump administration's continued disregard for basic cybersecurity protections. The message instructed recently-fired CISA employees to get in...
Posts on Made of...
Lab Notebooking for the Software Engineer A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition...
over a year ago
18
over a year ago
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition to just documenting things after the fact. Today, I’m going to share the techniques that I’ve found useful to try to get in the habit of lab-notebooking my work, even though I...
Krebs on Security
When Getting Phished Puts You in Mortal Danger Many successful phishing attacks result in a financial loss or malware infection. But falling for...
3 months ago
33
3 months ago
Many successful phishing attacks result in a financial loss or malware infection. But falling for some phishing scams, like those currently targeting Russians searching online for organizations that are fighting the Kremlin war machine, can cost you your freedom or your life.
Odds and Ends of...
Odds and Ends #47: I think this YouTube video just changed my life Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
7 months ago
Posts on Made of...
Why scons is cool I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
16
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Lighthouse Blog
Lighthouse now integrates with mobile reader apps
a year ago
Abort Retry Fail
The History of Windows XP NT Vincit Omnia
6 days ago
Home on Erik...
Are data sets the new server rooms? This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a...
over a year ago
17
over a year ago
This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a ton of money to go get really proprietary awesome data as a competitive moat. Because once you have the data, you can build a better product, and no one can copy it (at least not...
computers are bad
2023-05-07 electrical characteristics of telephone lines Let's take a break from our boring topic of regional history to focus instead on an even more boring...
over a year ago
90
over a year ago
Let's take a break from our boring topic of regional history to focus instead on an even more boring topic: implementation details of telephone lines. The conventional "copper pair" analog telephone line is fading away. The FCC has begun to authorize abandonment of copper outside...
Arduino Blog
Meet Real Robot One V2: A mini DIY industrial robot arm Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s...
a year ago
71
a year ago
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s Real Robot One (RR1) project is a fully-featured 6+1-axis robot arm based on 3D-printed parts and widely available electronics. The initial release was constructed with PETG...
Applied Cartography
Tailwind black magic: styling paragraphs within tables The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's...
a year ago
16
a year ago
The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's typography plugin — which makes it really easy to author beautiful docs in plaintext. We ran into one small issue, which is that the Markdoc renderer likes to place paragraph tags in table...
Vitalik Buterin's...
Na colusão
over a year ago
Krebs on Security
Pakistani Firm Shipped Fentanyl Analogs, Scams to US A Texas firm recently charged with conspiring to distribute synthetic opioids in the United States...
2 months ago
23
2 months ago
A Texas firm recently charged with conspiring to distribute synthetic opioids in the United States is at the center of a vast network of companies in the U.S. and Pakistan whose employees are accused of using online ads to scam westerners seeking help with trademarks, book...
Odds and Ends of...
Four big US election takes: Yes, it was the woke stuff. Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump...
8 months ago
29
8 months ago
Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump might do, and why the polls were right
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Applied Cartography
Why should a company? For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my...
a year ago
17
a year ago
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my first paying customer so I know it's not a fake product"; "I want to hit a thousand dollars in revenue so I know it's not just friends humoring me"; "I want to make $10K/mo or else I...
Willem's Blog
Saving a MacBook Air with exploded battery Saving a MacBook Air with a swollen battery pack.
over a year ago
Jonas Hietala
First impressions of Pollen After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
14
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it. What I like The first thing I really like is Pollen enables...
Jonas Hietala
Postmortem: Balls So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one...
over a year ago
14
over a year ago
So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one single game?! Well now I’m not counting the visual basic nightmare mastermind I made a long time ago but a real game. Whatever that means. I’ve had these monster-projects; Point...
Louwrentius
ZFS: Performance and capacity impact of ashift=9 on 4K sector drives Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance...
over a year ago
15
over a year ago
Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance deteriorated from 1.1 GB/s to 830 MB/s with just 16 TB of data on the pool. Also I noticed that resilvering was very slow. This is why I decided to abandon my 24 drive RAIDZ3...
Willem's Blog
Riding with Omata One If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
19
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Home on Erik...
Plotting author statistics for Git repos using Git of Theseus I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I...
over a year ago
23
over a year ago
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I have a couple of blog posts in the pipeline about various updates. First up, I made a number of fixes to Git of Theseus which is a tool (written in Python) that generates...
Jonas Hietala
Mailto: links with FastMail in Firefox You can change the application to handle mailto: links in Firefox in Preferences -> Applications....
over a year ago
16
over a year ago
You can change the application to handle mailto: links in Firefox in Preferences -> Applications. The problem is that you can’t input custom urls and some email providers, like hotmail or fastmail, aren’t supported. I managed to fix it with the plugin MailtoWebmails. It annoys me...
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
tim.sh
Everyone knows your location: tracking myself down through in-app ads How I tracked myself down using leaked location data in the in-app ads, and what I found along the...
5 months ago
Applied Cartography
Notes on Zed I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
a year ago
19
a year ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
8 months ago
36
8 months ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers. Intel, on the other hand, seems to be taking things in a much different, much...
Notes on software...
On NYC, Tokyo and Seoul I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a...
over a year ago
17
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a rural community a few hours west of there. My wife is South Korean and last week concluded my second trip to the suburbs of Seoul to visit her family. We finished up that trip with a...
Buck on Software
Winds of Change Software is maybe, just maybe about to get exciting
a year ago
The New Oil
Life Without a SIM Card
4 months ago
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
17
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
Jonas Hietala
Beginning Programming I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
18
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points: Too long Too many examples like “Hello World!” No answers to exercises. Nr 1 is a pretty curious one. Even though I think a book is good,...
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Home on Erik...
In defense of false positives (why you can't fail with A/B tests) Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the...
over a year ago
19
over a year ago
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the metrics for the two groups. The group with the highest conversion rate wins, right?
Greater Still by...
Finance, Fairer Sharing our investment in Jia, which turns crypto liquidity into working capital for small...
over a year ago
13
over a year ago
Sharing our investment in Jia, which turns crypto liquidity into working capital for small businesses in every corner of the world.
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
24
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...
Home on Erik...
About
over a year ago
Jonas Hietala
Rewriting my blog in Rust for fun and profit Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
16
over a year ago
Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far. But all good...
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
10 months ago
34
10 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong. Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood). Zero drive failures in ten years, how is that...
computers are bad
2024-04-26 microsoft at work I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to...
a year ago
126
a year ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to apologize, but I do feel a little bad. Part of it is just that I've been busy, with work and travel and events. Part of it is that I've embarked on a couple of writing projects only to...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in...
over a year ago
58
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in 2012. It’s not the fastest laptop out there, but it is plenty fast for a number of tasks, even most software development work. I also try to keep my machines up to date and properly...
lcamtuf’s thing
Investigating an "evil" RJ45 dongle Reverse-engineering hardware can be difficult -- but sometimes, all you need is a comfy armchair and...
6 months ago
66
6 months ago
Reverse-engineering hardware can be difficult -- but sometimes, all you need is a comfy armchair and some Google Translate.
Willem's Blog
Search like a pro: Google search operators Read along for a comprehensive list of advanced Google search operators that allow you to filter...
over a year ago
15
over a year ago
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
./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...
8 months ago
72
8 months 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...
Vitalik Buterin's...
The end of my childhood
a year ago
Birchtree
The Snow Leopard we've built up in our heads Nick Heer: linking to Jeff Johnson's The myth and reality of Mac OS X Snow Leopard I read an article...
3 months ago
34
3 months ago
Nick Heer: linking to Jeff Johnson's The myth and reality of Mac OS X Snow Leopard I read an article today from yet another person pining for a mythical Snow Leopard-style MacOS release. While I sympathize with the intent of their argument, it is largely fictional and, as
Applied Cartography
44% If you spend enough time digesting hackneyed business or self-improvement advice, you've probably...
a year ago
15
a year ago
If you spend enough time digesting hackneyed business or self-improvement advice, you've probably seen someone wax poetic about the following image: This is meant to be an illustration of the power of incrementalism (often referred to as kaizen when the writer is trying to be...
Birchtree
Nintendo's financial results are actually pretty interesting Nintendo's fiscal year just ended on March 31, and their annual results report has some goodies in...
2 months ago
29
2 months ago
Nintendo's fiscal year just ended on March 31, and their annual results report has some goodies in there I thought were worth shouting out. First up, the company made a lot less money than in the previous year, with 30% lower revenue and 46% lower profits. As someone
computers are bad
2025-05-11 air traffic control Air traffic control has been in the news lately, on account of my country's declining ability to do...
2 months ago
34
2 months ago
Air traffic control has been in the news lately, on account of my country's declining ability to do it. Well, that's a long-term trend, resulting from decades of under-investment, severe capture by our increasingly incompetent defense-industrial complex, no small degree of...
Jonas Hietala
Let's build a VORON 0 About 1.5 years ago I ventured into 3D printing by building a VORON Trident. It was a very fun...
3 months ago
40
3 months ago
About 1.5 years ago I ventured into 3D printing by building a VORON Trident. It was a very fun project and I’ve even used the printer quite a bit. Naturally, I had to build another one and this time I opted for the cute VORON 0. Why another printer? I really like my VORON Trident...
Arduino Blog
Controlling a drum machine with the Arduino Opta Makers have long asked the question “why bother with an expensive PLC when I can just use an...
a year ago
102
a year ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit  The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
7 months ago
66
7 months ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
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
105
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...
Construction Physics
What Learning by Doing Looks Like The evolution of polycrystalline diamond drill bits
7 months ago
Home on Erik...
Building a data team at a mid-stage startup: a short story I guess I should really call this a parable. The backdrop is: you have been brought in to grow a...
over a year ago
16
over a year ago
I guess I should really call this a parable. The backdrop is: you have been brought in to grow a tiny data team (~4 people) at a mid-stage startup (~$10M annual revenue), although this story could take place at many different types of companies.
Ian's Blog
Having a Website Used to Be Fun According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
8 months ago
33
8 months ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Gwern.net Newsletter
May Gwern.net Newsletter Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
17
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses gears...
a year ago
16
a year ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters, computing airspeed, Mach number, and other "air data". The rotating...
Vitalik Buterin's...
The Revenue-Evil Curve: a different way to think about prioritizing public goods funding
over a year ago
Electronics etc…
Tesla’s FSD - First and Last Impressions TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach...
a year ago
162
a year ago
TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach to Truckee (11 miles) Test Ride 2: I-80 from Truckee to Blue Canyon (36 miles) Test Ride 3: from West-Valley College to I-85 Entrance (1 mile) Conclusion Introduction In the past...
Computer Ads from...
Black Friday - Happy Birthday sale Let's mix things up!
7 months ago
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
18
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
Bryan Braun - Blog
Goodbye Evernote, Hello Obsidian I use note-taking software every day. I use it for journaling, blogging, capturing ideas,...
a year ago
19
a year ago
I use note-taking software every day. I use it for journaling, blogging, capturing ideas, researching technologies, managing my projects, and many other things. Writing is how I think through problems, and note-taking software makes all that thinking easy to search and...
Jonas Hietala
My Minions So I think I made it! It became a pretty different game from what I set out to create, but I’m glad...
over a year ago
13
over a year ago
So I think I made it! It became a pretty different game from what I set out to create, but I’m glad with how it turned out. My Minions Instructions Build a pathway and then place objects or release minions on it, everything must be on a path. Place musical objects or make the...
./techtipsy
Shrinkflation, SanDisk style 2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that...
over a year ago
91
over a year ago
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that you notice after formatting the device in an OS. Please read the article in full before making inaccurate comments online. For many years, I have used two SanDisk Ultra 16 GB USB flash...
Opsbros
The past lives again! I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
21
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
Home on Erik...
What is the right level of specialization? For data teams and anyone else. This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this...
over a year ago
19
over a year ago
This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this specialization of data teams into 99 different roles (data scientist, data engineer, analytics engineer, ML engineer etc) is generally a bad thing driven by the fact that tools are...
Home on Erik...
What's up with music recommendations? I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
19
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies. Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
Home on Erik...
Implicit data and collaborative filtering A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
19
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings. While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
14
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Good Enough
Fixing Things In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
16
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,...
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...
11 months ago
96
11 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...
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
14
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
Arduino Blog
Solar upgrades the Nebulophone synthesizer to enhance playability  Woodwinds and brass are so 19th century. We’re living in the future and now it is synthesizers all...
3 months ago
30
3 months ago
Woodwinds and brass are so 19th century. We’re living in the future and now it is synthesizers all the way down. There are many to choose from and the Bleep Labs Nebulophone is a neat example that was sold from 2012 to 2016, with the design files now available on GitHub for...
axio.ms
MicroMac, a Macintosh for under £5 A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building...
a year ago
26
a year ago
A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh. The original Macintosh was...
Jonas Hietala
Home office renovation When we moved back to our childhood community and bought a house I had one pretty big requirement: I...
over a year ago
18
over a year ago
When we moved back to our childhood community and bought a house I had one pretty big requirement: I had to have a home office as I need to work remote. There simply isn’t any software development work for me here. So the later part of 2018 and early 2019 we’ve renovated an old...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
a year ago
18
a year ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
Applied Cartography
Tailwind black magic: swallowing all pointer events I wrote two days ago about a real and useful application of Tailwind black magic; here's...
a year ago
16
a year ago
I wrote two days ago about a real and useful application of Tailwind black magic; here's another. Buttondown has a dropzone component lets folks drag-and-drop items or click on it to get a file-picker. It's used for importing images, archives, CSVs, the works: because it's so...
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
8 months ago
23
8 months 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...
Lighthouse Blog
Updates May 31
a year ago
Arduino Blog
This Flip-Pelt wearable concept enables ultra-fast thermal feedback in VR Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on...
8 months ago
48
8 months ago
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on your arm? Or the cold of chilly water? Engineers around the world have been trying to make that happen, but there is a big problem: temperature changes are slow. The immersive...
Arduino Blog
What can you do with Arduino and a new 3D printer? When 3D printing matured from an industrial edge case to a mainstream commercial technology in the...
a month ago
22
a month ago
When 3D printing matured from an industrial edge case to a mainstream commercial technology in the 2010s, it captured the imaginations of everyone from schoolteachers to fashion designers. But if there’s one group that really, really got excited about 3D printing, it was makers....
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
49
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Style over Substance
My Home Assistant setup (2023 edition) For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
over a year ago
167
over a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
Willem's Blog
Space travelling from El Teide On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a...
over a year ago
20
over a year ago
On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a perfect altitude for stargazing.
Willem's Blog
Building a product platform Leverage platform capabilities to quickly launch new products, designing for reusability,...
over a year ago
20
over a year ago
Leverage platform capabilities to quickly launch new products, designing for reusability, flexibility and extensibility.
Abishek Muthian
Accessibility hack for keyboard and trackpad I keep my soft RPi keyboard rested at angle on the close laptop which itself is at an angle on a...
over a year ago
12
over a year ago
I keep my soft RPi keyboard rested at angle on the close laptop which itself is at an angle on a laptop stand. This helps me to rest my wrists rest flat on the table while typing on the keyboard. But the trackpad (wacom) sits flat on the table causing me to reach out a bit and...
Lighthouse Blog
What is OPML?
2 months ago
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
16
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing. You can see this for...
Style over Substance
Peak Design quick-connect Leash and Cuff straps My camera collection has been growing steadily over the years, but it’s been expanding even faster...
over a year ago
107
over a year ago
My camera collection has been growing steadily over the years, but it’s been expanding even faster during the COVID-19 lockdowns. Online shopping therapy keeps me sane while I’m cooped up at home, and with easy access to eBay and other auction sites my GAS – photographers...
Jonas Hietala
A small LED Cube As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I...
over a year ago
21
over a year ago
As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I got started a little with soldering by constructing a small 3x3x3 LED cube. Although extremely hard to see in this picture it actually worked without a hitch! It’s not the...
Matt Blewitt
A Love Letter to Giant Robots Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first...
a year ago
14
a year ago
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first exposure to them was probably through 1994’s BattleTech animated series, where Adam Steiner piloted an AXM-2N Axman, in its frankly ridiculous neon green and purple paint job. And from...
./techtipsy
How I treat my urge to hoard data The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized...
over a year ago
55
over a year ago
The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized that the pursuit to hoard all the things will just keep on consuming more and more of my time and money. Storage is cheap up until to a point, once you find yourself tracking hard...
Birchtree
You did not put a lot of time into this Chris has an external drive faster than you’ve ever seen, Matt has a new email app he swears isn’t...
3 months ago
36
3 months ago
Chris has an external drive faster than you’ve ever seen, Matt has a new email app he swears isn’t his new favorite cult, and the whole gang does their best to redesign iOS and iPadOS. Check it out in audio or video! Weekly Topics ACASIS 80Gbps
Engineers Need Art
VPX Scripting - Part 1 (Teacher's Pet) The first in a series of posts about scripting Visual Pinball tables.
a year ago
Arduino Blog
This 1D camera captures 2D images of things it can’t see Yes, the title of this article sounds pretty crazy. But not only is it entirely possible through the...
3 weeks ago
13
3 weeks ago
Yes, the title of this article sounds pretty crazy. But not only is it entirely possible through the lens of physics, but it is also practical to achieve in the real world using affordable parts. Jon Bumstead pulled it off with an Arduino, a photoresistor, and an inexpensive...
Good Enough
Issue 0: Collector's Item 1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s...
over a year ago
21
over a year ago
1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s item in your hands: the very first Good Enough Newsletter. This is the beginning of what we (Barry Hess & Shawn Liu) hope to be a years-long series of communiqués with our rabid...
lcamtuf’s thing
But good sir, what is electricity? A quick look at the physics of conductors, insulators, and electric charges.
4 months ago
Louwrentius
Wake On Lan not working with realtek r8168 card After messing around with different kernels on Debian Lenny, I noticed that my system did no longer...
over a year ago
16
over a year ago
After messing around with different kernels on Debian Lenny, I noticed that my system did no longer respond to WOL packets. The system is using an on-board Realtek R8168 chip which supports wake on lan. After searching and reading i found the problem. The system is using an...
Home on Erik...
3D in D3 I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
19
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon). D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Louwrentius
Configuring, attacking and securing VRRP on Linux The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple...
over a year ago
32
over a year ago
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple routers in an active/passive configuration. If the primary router fails, the backup router takes over almost seamlessly. This is how VRRP works: Clients connect to a virtual...
Vitalik Buterin's...
Analyzing Token Sale Models
over a year ago
Abishek Muthian
Are we worrying more about AI than global warming So, my friend said this — If I may state mine — It’s not we’re more worried about AI, it’s the media...
over a year ago
14
over a year ago
So, my friend said this — If I may state mine — It’s not we’re more worried about AI, it’s the media inducing cognitive biases fuelled by Hollywood when a celebrity speaks about dooms day AI. Let’s discuss some facts, Let’s take prof. Hawing, he’s vocal about the need to keep AI...
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
7 months ago
33
7 months ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Christian Selig
Table of Contents Selector View I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
44
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Louwrentius
Difference of behavior in SATA Solid State Drives Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO....
over a year ago
14
over a year ago
Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO. After further investigation and additional testing, I've found the reason for the strange patterns in the graphs. The 'strange' test results are due to the fact that they were...
Neil Madden
Digital signatures and how to avoid them Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
10 months ago
30
10 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Home on Erik...
Developer experience as a competitive advantage I spent a ton of time looking at different software providers, both as a CTO, and as a nerd...
over a year ago
23
over a year ago
I spent a ton of time looking at different software providers, both as a CTO, and as a nerd “advanced” consumer who builds stuff in my spare time. In the last 10 years, there has been an order of magnitude more products that cater directly to developers, through APIs, SDKs, and...
Ken Shirriff's blog
Intel's $475 million error: the silicon behind the Pentium division bug In 1993, Intel released the high-performance Pentium processor, the start of the long-running...
6 months ago
72
6 months ago
In 1993, Intel released the high-performance Pentium processor, the start of the long-running Pentium line. The Pentium had many improvements over the previous processor, the Intel 486, including a faster floating-point division algorithm. A year later, Professor Nicely, a number...
Arduino Blog
Building a Wi-Fi robot controller that accepts voice commands The whole point of a robot is that it can operate without direct control input from an operator....
a week ago
12
a week ago
The whole point of a robot is that it can operate without direct control input from an operator. Except there are many exceptions and it isn’t uncommon for roboticists and operators to require direct control. The Tinkering Techie needed to add that capability to his rover robot...
Jorge Arango
What’s the Object of Information Architecture? Ironically, information architects haven’t explained how we create value in terms most people...
6 months ago
27
6 months ago
Ironically, information architects haven’t explained how we create value in terms most people understand. If I tell someone at a party that I’m an IA, they won’t know what I do. It’s a problem: if others don’t understand how we can help, they won’t hire us. The main challenge is...
computers are bad
2023-04-27 los alamos - compound to county pt I This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on...
over a year ago
84
over a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on the quality of their software. Clearly this is not the kind of opportunity I would turn down, but I also always take an excuse to drive back up the hill. I only lived in Los...
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...
over a year ago
17
over 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...
Notes on software...
Make small changes and solve the problems you have Two frustrating things that can happen in an organization are 1) big changes and 2) changes that...
over a year ago
23
over a year ago
Two frustrating things that can happen in an organization are 1) big changes and 2) changes that aren’t clearly associated with a known problem. It’s even worse in that order. These situations tend to happen when a problem remain unaddressed for too long. These situations tend to...
Applied Cartography
Migrating to Django 5 The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was...
9 months ago
28
9 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...
Birchtree
How Nintendo's "game-key cards" actually work I've seen a remarkable amount of misunderstanding out there on how Nintendo's game-key cards work....
3 months ago
40
3 months ago
I've seen a remarkable amount of misunderstanding out there on how Nintendo's game-key cards work. People are losing their ever loving minds over all things Switch 2, but this one really gets me because the people who are the most upset about it seem to not
Lighthouse Blog
Deep dive into finding RSS feeds
7 months ago
Matt Mullenweg
Reflecting I know there’s been a lot of frustration directed at me specifically. Some of it, I believe, is...
2 months ago
40
2 months ago
I know there’s been a lot of frustration directed at me specifically. Some of it, I believe, is misplaced—but I also understand where it’s coming from. The passing of Pope Francis has deeply impacted me. While I still disagree with the Church on many issues, he was the Pope who...
Willem's Blog
Realtime human pose recognition through computer vision For an exciting new project I have been experimenting with TensorFlow, enabling realtime pose...
over a year ago
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
19
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...
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
a year ago
Home on Erik...
Home
over a year ago
Krebs on Security
Arrests in Tap-to-Pay Scheme Powered by Phishing Authorities in at least two U.S. states last week independently announced arrests of Chinese...
3 months ago
43
3 months ago
Authorities in at least two U.S. states last week independently announced arrests of Chinese nationals accused of perpetrating a novel form of tap-to-pay fraud using mobile devices. Details released by authorities so far indicate the mobile wallets being used by the scammers were...
Notes on software...
An intuition for distributed consensus in OLTP systems Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days....
a year ago
16
a year ago
Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days. Most often under the hood are variations of log-based Paxos-like algorithms such as MultiPaxos, Viewstamped Replication, or Raft. While there are new variations that come out each...
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
18
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.
The Pragmatic...
Why my new audiobook “The Software Engineer's Guidebook” is everywhere except on Audible Currently, Audible’s position is hurting audiobook authors. My audiobook isn’t on Audible due to a...
7 months ago
101
7 months ago
Currently, Audible’s position is hurting audiobook authors. My audiobook isn’t on Audible due to a mix of their monopolistic pricing practices, and the company’s own complacency in how long they take to approve new titles.
Willem's Blog
Lunch by plane This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
over a year ago
Arduino Blog
Prototype faster and smarter in 2025: Meet the Arduino Pro Portenta Proto Kit Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how...
6 months ago
55
6 months ago
Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how professionals approach prototyping. Designed to empower engineers, designers, and innovators from all walks of life, this kit provides everything you need to turn your ideas into...
computers are bad
2025-04-06 Airfone We've talked before about carphones, and certainly one of the only ways to make phones even more...
3 months ago
28
3 months ago
We've talked before about carphones, and certainly one of the only ways to make phones even more interesting is to put them in modes of transportation. Installing telephones in cars made a lot of sense when radiotelephones were big and required a lot of power; and they faded...
Posts on Made of...
Wordpress tricks: Disabling editing shortcuts One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t...
over a year ago
18
over a year ago
One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t edit text in anything that doesn’t have decent emacs keybindings. Fortunately, on Linux, at least, GTK provides basic emacs keybindings if you add gtk-key-theme-name = "Emacs" to...
Odds and Ends of...
A tale of two theme parks Plus why British Steel turned into a crisis, and how to level up... but do it properly
3 months ago
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
25
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!
Old Vintage...
The "35-cent" Commodore 64 softmodem Rockwell famously used 6502-based cores in modems for many years, but that doesn't mean other 6502s...
6 months ago
23
6 months ago
Rockwell famously used 6502-based cores in modems for many years, but that doesn't mean other 6502s couldn't be used. If only there were a way to connect a Commodore 64's audio output directly to an RJ-11 plug ... Convergent WorkSlate stuff I've got to catalogue. Officially...
Willem's Blog
The birth of a child Witnessing the birth of a child changes a man, for science and curiosity I wore a biometric sensor...
over a year ago
20
over a year ago
Witnessing the birth of a child changes a man, for science and curiosity I wore a biometric sensor capturing the impact of birth on yours truly.
Christian Selig
Qi2 is kinda underwhelming Using MagSafe for portable battery packs has so many niceties versus Qi1: Increased communication...
a year ago
119
a year ago
Using MagSafe for portable battery packs has so many niceties versus Qi1: Increased communication with the device, allowing for better efficiency due to better thermal management and charging Easily view the charge percentage of the external battery when first attaching it, and...
Lighthouse Blog
Updates February 02
a year ago
Louwrentius
Switching away from Debian to Ubuntu LTS Over the last couple of years, Debian Linux has released new stable versions about every two years....
over a year ago
14
over a year ago
Over the last couple of years, Debian Linux has released new stable versions about every two years. This pace is great for progress, but there is a serious problem. This problem is related to their support for older Debian stable versions. If you read the quote below from the...
Jonas Hietala
An update on my book 'Why Cryptocurrencies?' Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to...
over a year ago
14
over a year ago
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to finish the book. Sorry that’s a bit of a lie, I’ve had a nice long vacation where I didn’t work on the book and I’m also on part-time parental leave. And believe me there’s not a...
Louwrentius
Belkin Gigabit USB 2.0 adapter works perfectly with Linux My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my...
over a year ago
17
over a year ago
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my internet router. As you may be aware, the mini has only one network interface, so I added a second interface using a USB to ethernet adapter. This adapter was limited to 100 Mbit, so...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti) Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
over a year ago
89
over a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
Willem's Blog
Working Offline First Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise...
over a year ago
27
over a year ago
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise your workflow – join my cloud-free adventure today!
Jonas Hietala
Coconut Cauliflower Curry Mash It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with,...
over a year ago
17
over a year ago
It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with, but a simple salad had to do: It was okay. Girlfriend gave it 5/10 and I gave it a 6/10, a higher rating would be possible if there was something else to eat it with.
Computer Ads from...
Manx's Aztec C Leap into a new dimension with Aztec C
4 months ago
Birchtree
Apple hits a major milestone in greenhouse emissions Apple Newsroom: Apple Surpasses 60 Percent Reduction in Global Greenhouse Gas Emissions Apple today...
3 months ago
22
3 months ago
Apple Newsroom: Apple Surpasses 60 Percent Reduction in Global Greenhouse Gas Emissions Apple today announced that the company has surpassed a 60 percent reduction in its global greenhouse gas emissions compared to 2015 levels, as part of its Apple 2030 goal to become carbon...
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
9 months ago
54
9 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
heavymeta.org
Revisiting LLM Geolocation Two Years Later In 2023 Bellingcat published “Can AI Chatbots Be Used for Geolocation?”. In that article, they...
3 months ago
11
3 months ago
In 2023 Bellingcat published “Can AI Chatbots Be Used for Geolocation?”. In that article, they examine the ability of LLMs to geolocate photos. They gave Microsoft Bing and Google Bard three photos of locations in Canada: the Edmonton City Hall Churchill Square, also in...
Christian Selig
First on New Blog Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will...
over a year ago
72
over a year ago
Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will remove. This goat’s name is apparently Gubgub, and very cute.
Birchtree
That time Apple made Auido Hijack way worse, but eventually made it better for everyone Paul Kafasis: The Developers Who Came in From the Cold I’m delighted to say that we have completed...
6 months ago
37
6 months ago
Paul Kafasis: The Developers Who Came in From the Cold I’m delighted to say that we have completed our transition to ARK, and it now powers all of our audio capture apps on MacOS 14 and higher. Our glorious hassle-free future has finally arrived, and you can get
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
22
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.
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
13
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...
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
19
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...
Posts on Made of...
Getting carried away with hack value Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of...
over a year ago
20
over a year ago
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of BarnOwl into perl code, instead of C (BarnOwl is written in an unholy mix of C and perl code that call each other back and forth obsessively). Moving code into perl has many...
Jonas Hietala
The Arty Timeline While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
17
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are: And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Notes on software...
Interview with the D Language Blog: BSDScheme This is an external post of mine. Click here if you are not redirected.
over a year ago
Greater Still by...
Enjoying the Journey Reflections on training for a marathon and a lesson from my late Uncle Murray
a year ago
Arduino Blog
SeaPerch II introduces students to underwater ROV exploration While professionals around the world take advantage of Arduino products and the extensive ecosystem,...
4 months ago
34
4 months ago
While professionals around the world take advantage of Arduino products and the extensive ecosystem, the core Arduino philosophy is to simplify complex technology. A bare microcontroller is intimidating to the uninitiated, but an Arduino development board is friendly and...
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?
11 months ago
Good Enough
Asking the Right Question Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've...
over a year ago
15
over a year ago
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've spread the word enough that there's now a steady stream of new users coming in each day. So, what's next? Portrait of the author pondering My first impulse was to answer this...
Arduino Blog
DIY micro lab analyzes ammonia levels in blood and urine Cirrhosis of the liver is an extremely serious condition that requires extensive medical monitoring...
4 months ago
31
4 months ago
Cirrhosis of the liver is an extremely serious condition that requires extensive medical monitoring and often intervention. Progression of the condition can be fatal, so even if caught early it must be monitored closely. But, like most things in medicine, that gets expensive....
GitButler
Git Merge 2024 Talks are Up All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
8 months ago
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the...
a year ago
112
a year ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the whole experience. I’ve split this post into three separate sections. overall notes on the conference and the city less technical, but sheds light on the FOSDEM experience the...
Lighthouse Blog
Updates September 9: Feed finding
10 months ago
Old Vintage...
Thou shalt follow these Vintage Computing Commandments Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote...
a year ago
16
a year ago
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote and release smoke. This is sometimes very hard to judge without a load, but they should be somewhere in the ballpark, verily, and you should get in the habit of checking any new...
./techtipsy
No HDMI port on the ThinkPad T430? No problem! The ThinkPad T430 has a few options for running it with an external display: VGA port, which is...
a year ago
116
a year ago
The ThinkPad T430 has a few options for running it with an external display: VGA port, which is pretty much obsolete at this point mini DisplayPort connector on the laptop itself DVI or DisplayPort on a dock The mini DisplayPort port has annoyed me for as long as I’ve had this...
Jonas Hietala
The T-34/0 keyboard layout This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While...
over a year ago
20
over a year ago
This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While there are more changes I’d like to try, I’m quite pleased with these changes so I figured I might as well immortalize them before I explore further. (And I do have a bunch of big...
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
15
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!!
Abishek Muthian
Auto suspend and resume KVM Virtual Machine with the host When the host machine is suspended while the KVM through QEMU is running lead to issues like display...
over a year ago
13
over a year ago
When the host machine is suspended while the KVM through QEMU is running lead to issues like display unable to wake up when resuming suspend. Suspending and resuming the Virtual Machine when the host machine is suspended using hooks in systemd and resumed fixes this...
Abishek Muthian
Butt Pomodoro - A butt triggered pomodoro timer A need gap of Remind me to take break when working from home was recently posted. Forgetting to take...
over a year ago
13
over a year ago
A need gap of Remind me to take break when working from home was recently posted. Forgetting to take regular breaks when immersed with work in front of a computer is a common problem, especially when working from home. On the flip side, getting distracted from completing a task...