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Home on Erik...
Vote for our SXSW panel! If you have a few minutes, you should check out mine and Chris Johnson‘s panel proposal. Go here and...
over a year ago
3
over a year ago
If you have a few minutes, you should check out mine and Chris Johnson‘s panel proposal. Go here and vote: http://panelpicker.sxsw.com/vote/24504 Algorithmic Music Discovery at Spotify ****Spotify crunches hundreds of billions of streams to analyze user's music taste and provide...
Nabeel S. Qureshi
May Updates + New Essay On Moral AI A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my...
a year ago
2
a year ago
A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my mind: “the long term goal is to build AGI that loves people the way parents love their children”.
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
2
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Vitalik Buterin's...
Understanding PLONK
over a year ago
Old Vintage...
MacLynx beta 5: UTF-8, pull-down menus and more dialogue boxes, oh my! I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System...
a year ago
63
a year ago
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System 7-compatible port of the venerable text browser Lynx for classic 68K Macintoshes (and Power Macs) running A/UX 3.x or System 7.x and later. There's still more to do, but a lot has...
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...
7 months ago
108
7 months 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...
somenice
Cake Hole Whistler Mountain Often inviting. This terrain just off the Whistler peak road can be an enticing sun-swept run of...
3 weeks ago
16
3 weeks ago
Often inviting. This terrain just off the Whistler peak road can be an enticing sun-swept run of untouched powder.Understanding that you need to come back up the same way you go down, can make you question if it’s really worth it.Know before you go. Cake Hole by Andrew...
Lars Lofgren
What Happened After I Outed a Reddit Mod for Affiliate Spam I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate...
3 months ago
2
3 months ago
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate spam. It’s reddit marketing gone awry. The post blew up and got a decent amount of attention. Then I got a front row seat to how deep of a spam filled porta-potty Reddit has become....
Home on Erik...
Microsoft's new marketing strategy: give up I think it's funny how MS at some point realized they are not the cool kids and there's no reason to...
over a year ago
2
over a year ago
I think it's funny how MS at some point realized they are not the cool kids and there's no reason to appeal to that target audience. Their new marketing strategy finally admits what's been long known: the correlation between “business casual” and using Microsoft products:
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
26
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
Arduino Blog
Adding real-time local voice controls to a SMARS Quad Mod robot with an Arduino RP2040 Connect Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools...
4 months ago
43
4 months ago
Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools for learning more about how electronics, mechanics, and software can combine to perform useful tasks in the physical world. And in his latest project, Edge Impulse’s senior...
Posts on Made of...
How I Write Tests The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
2
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
32
over a year ago
Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a dual-core Intel Pentium G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like that, a budget gaming PC was born. My...
Louwrentius
Why VMware vSphere replication is changing the game If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
2
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure. SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
Home on Erik...
Optimizing things: everything is a proxy for a proxy for a proxy Say you build a machine learning model, like a movie recommender system. You need to optimize for...
over a year ago
2
over a year ago
Say you build a machine learning model, like a movie recommender system. You need to optimize for something. You have 1-5 stars as ratings so let's optimize for mean squared error. Great. Then let's say you build a new model.
computers are bad
2024-08-31 ipmi I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home,...
3 months ago
38
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home, here in New Mexico. One of the steps in this process is, of course, purchasing a new server... the current Big Iron is getting rather old (probably about a decade!) and here in...
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
3
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Lighthouse Blog
Updates December 15: Rebranding to Lighthouse and complete redesign
a year ago
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33... The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
22
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
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
2
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...
Jonas Hietala
Ludum Dare 17 - an hour or two into it I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a...
over a year ago
2
over a year ago
I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a massage course (which by the way was pretty darn good), and about halfway there this is what I’ve done: Chockingly… ugly All is not what meets the eye though, I’ve got the basics done...
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
Home on Erik...
MLConf 2014 Just spent a day at MLConf where I was talking about how we do music recommendations. There was a...
over a year ago
2
over a year ago
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself). Here are my slides:
Louwrentius
'A Moment Of Silence: OpenSolaris Is Dead' The last release of OpenSolaris dates back to July 2009. The next release was scheduled for March...
over a year ago
2
over a year ago
The last release of OpenSolaris dates back to July 2009. The next release was scheduled for March 2010, but Oracle did not release anything. It is dead silent around OpenSolaris. On 12 July 2010, the OpenSolaris Government Board sent out an ultimatum to Oracle: "please...
Jonas Hietala
Why Cryptocurrencies? is now available in print Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve...
over a year ago
2
over a year ago
Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve undertaken. My book ‘Why Cryptocurrencies?’ is released in print today! It’s my attempt to explain what cryptocurrencies are and what problems they solve, in a simple and...
GitButler
Git Merge 2024 Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
2 months ago
Vitalik Buterin's...
[Mirror] Zk-SNARKs: Under the Hood
over a year ago
Christian Selig
Curing Mac mini M4 fomo with 3D printing Spoiler: 3D printed! The colored ports really sell the effect If you’re anything like me, you’ve...
a month ago
19
a month ago
Spoiler: 3D printed! The colored ports really sell the effect If you’re anything like me, you’ve found the new, tinier Mac mini to be absolutely adorable. But you might also be like me that you either already have an awesome M1 Mac mini that you have no real reason to replace,...
Home on Erik...
Why conversion matters: a toy model There are often close relationships between top level business metrics. For instance, it's well...
over a year ago
2
over a year ago
There are often close relationships between top level business metrics. For instance, it's well known that retention has a super strong impact on the valuation of a subscription business. Or that the % of occupied seats is super important for an airline.
Computer Ads from...
IBM RISC System/6000 Family Just when PowerSeeker thought they had nowhere to go...
7 months ago
Willem's Blog
Realtime service uptime monitoring Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to...
over a year ago
2
over a year ago
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to discover problems as soon as possible! Know about problems before your customers do!
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
2
over a year ago
This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough. The apt-get install debian-zfs command would just hang. I noticed a...
computers are bad
2024-11-23 cablesoft As an American, I often feel an intense jealousy of Ceefax, one of several commercially successful...
4 weeks ago
29
4 weeks ago
As an American, I often feel an intense jealousy of Ceefax, one of several commercially successful teletext services in the UK and Europe. "Teletext" is sometimes a confusing term because of its apparent relation to telecom-industry technologies like the teletypewriter and...
Louwrentius
How to escape file names in bash shell scripts After fighting with Bash for quite some time, I found out that the following code provides a nice...
over a year ago
3
over a year ago
After fighting with Bash for quite some time, I found out that the following code provides a nice basis for escaping special characters. Ofcource it is not complete, but the most important characters are filtered. If anybody has a better solution, please let me know. It works and...
axio.ms
Maths is Fun and Useful but Lasers Are More So Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a...
over a year ago
2
over a year ago
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a perl script for the shape template. For cultural reasons, I wanted to make a gift out of paper and it had to be Heaps Good. I had finally got access to a laser cutter (omgomg)...
Arduino Blog
DIY submersible pump controller helps retrieve well water It might surprise our urban-dwelling readers, but wells are still very common in rural areas where...
6 months ago
38
6 months ago
It might surprise our urban-dwelling readers, but wells are still very common in rural areas where it is difficult or prohibitively expensive to run utilities. The CDC reports that more than 15 million households rely on groundwater and wells — and that’s just in the United...
Jonas Hietala
Geekhack Toxic I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
2
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be? With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard: Woooo If only my GH60 could arrive some time this decade…
Posts on Made of...
My Apollo Bibliography Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
over a year ago
2
over a year ago
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
latest projects -...
Robot Slide Whistle Orchestrion [Hardware] Army of Robot Slide Whistles
8 months ago
Home on Erik...
The hardest challenge about becoming a manager Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I...
over a year ago
2
over a year ago
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I became a manager back in 2009. Being a developer is fun. You have this very tangible way to measure yourself.
Jonas Hietala
Top ten activities that make me happy Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
2
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
over a year ago
Willem's Blog
Assembling a cargo bike How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
2
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Louwrentius
Migrated this blog from blogger.com to blogofile Until now, I was hosting my blog on Google's blogger. I switched to using Blogofile. I wanted to...
over a year ago
2
over a year ago
Until now, I was hosting my blog on Google's blogger. I switched to using Blogofile. I wanted to have more control over my content and the layout. I had many issues with the blogger blog post editor, resulting in ugly posts with too much white space, strange fonts and fonts...
Notes on software...
Leaders, you need to share organization success stories more frequently This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to...
over a year ago
1
over a year ago
This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to share organization success stories with your organization on a regular and frequent basis. Talk about sales wins, talk about new services released, talk about the positive impact of a...
Arduino Blog
These Shattered Space helmet replicas stay video game accurate using an Arduino Nano Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called...
2 months ago
17
2 months ago
Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called “Shattered Space” in which players can don novel weapons and gear to take on the latest challenge. As part of its release, the expansion’s publisher Bethesda reached out to cosplayer...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End...
8 months ago
113
8 months ago
Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End Result Introduction I recently bought a TDS 684B for cheap at a government auction. With 1 GHz BW and 5 Gsps sample rate, it can be used for those cases where my 350 MHz/2Gsps Siglent...
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Willem's Blog
Working with special hardware from China This month I reversed engineered my way into developing software for a Chinese Android device with...
over a year ago
2
over a year ago
This month I reversed engineered my way into developing software for a Chinese Android device with an embedded printer!
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32 In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
22
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
20
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Home on Erik...
Deep learning for… chess (addendum) My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple...
over a year ago
3
over a year ago
My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple of other places. One pretty amazing thing was that the Github repo got 150 stars overnight.
Arduino Blog
Transform trash into treasure with the DIY Bottle Plotter Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline...
3 months ago
39
3 months ago
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline just for that) and some of it can be quite beautiful. But it usually still ends up in the landfill or, at best, in a recycling center. However, if you’re the type of person who can...
Construction Physics
Energy Cheat Sheet Building an intuition about energy
2 days ago
computers are bad
2023-02-07 secret government telephone numbers Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be...
a year ago
55
a year ago
Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be clear, the "secret" here was a joke and these buttons are in fact well documented. The buttons I was talking about were the AUTOVON call precedence buttons, used for a five-level...
Jonas Hietala
Postmortem: A Geek Valentine Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little...
over a year ago
2
over a year ago
Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little programming urge again… This time it’s not Haskell or a new experimental game that’s luring me on, no this time it’s me longing to create this fantastic awesome epic RTS game. Sadly it’s a...
Arduino Blog
Axiom is Arduino’s newest Gold Integration Partner! Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the...
6 months ago
36
6 months ago
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the United States, has recently joined our System Integrators Partnership Program. As Gold-level partners, Axiom will supercharge their mission – to empower manufacturers to rapidly...
Notes on software...
Intercepting and modifying Linux system calls with ptrace How software fails is interesting. But real-world errors can be infrequent to manifest....
a year ago
2
a year ago
How software fails is interesting. But real-world errors can be infrequent to manifest. Fault injection is a formal-sounding term that just means: trying to explicitly trigger errors in the hopes of discovering bad logic, typically during automated tests. Jepsen and ChaosMonkey...
Applied Cartography
PSA: mess around with Keystatic We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
2
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
axio.ms
MicroMac, a Macintosh for under £5 A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building...
6 months ago
2
6 months 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...
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
Willem's Blog
Your own addressbook and calendar cloud You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data...
over a year ago
3
over a year ago
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data and share it between your devices.
Posts on Made of...
6.170, CVS, and SVN I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
2
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
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....
10 months ago
2
10 months 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...
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control (This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
2
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here) For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
Jonas Hietala
The Coinparty hackathon, take two In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
2
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
anderegg.ca
More details on Bluesky’s subscription plan Update: I had missed this, but the Bluesky team had already announced a subscription model was on...
2 weeks ago
6
2 weeks ago
Update: I had missed this, but the Bluesky team had already announced a subscription model was on the way. I had written this article assuming that was the news. What is new is the work happening on their official apps, which contains details on features and potential pricing. An...
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...
7 months ago
84
7 months 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...
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
2
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.
Engineers Need Art
Tom Dowdy Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
66
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
Push to Prod
One Key Aspect of Optimizing Computational Throughput When optimizing throughput, think carefully about how many CPUs you have when adding threads or...
3 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
2
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,...
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
54
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Arduino Blog
Finally, you can DIY your own espresso machine Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the...
3 months ago
32
3 months ago
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the world of espresso machines. To satisfy enthusiasts, an espresso machine needs to provide precise control over temperature, pressure, and flow to enable the perfect pull. But if...
Vitalik Buterin's...
What kind of layer 3s make sense?
over a year ago
Home on Erik...
Annoying blog post I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which...
over a year ago
3
over a year ago
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which is an open source C++/Python library for Approximate Nearest Neighbor search. I set up Travis-CI integration and spent some time on one of the issues that multiple people had...
./techtipsy
My cat water fountain comes with a spicy USB power adapter It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit...
a year ago
75
a year ago
It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit Flower Fountain for my two adorable cats. The idea of a water fountain for cats may sound odd, but having one really helps with cats staying hydrated and that alone avoids all sorts...
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
2
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
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...
a month ago
4
a month 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
Gwern.net Newsletter
September 2020 News September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
2
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
Jonas Hietala
Let's build a VORON: More mods The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and...
9 months ago
2
9 months ago
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and personalize it. There a tons of mods you can do, and while I’ve done a few there are lots more that I’d like to do some day. It’s a wonderful feeling to augment the printer with...
Vitalik Buterin's...
「网络国家」之我见
over a year ago
Applied Cartography
Klarna: nineteen years, twenty billion kroner I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
3 weeks ago
5
3 weeks ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Louwrentius
Convert dos file to linux format wit vim If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end...
over a year ago
2
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end with ^M. To fix this, you can use the tool dos2unix. If however this tool is not at your disposal, you may have a problem. If vim is available, you do not have a problem: The trick...
Jonas Hietala
Laying off Pintos Exam period is here which means all courses should be wrapping up and a week or so ago we finished...
over a year ago
3
over a year ago
Exam period is here which means all courses should be wrapping up and a week or so ago we finished up our lab series about pintos. The labs were among the best I’ve had yet and I learned a ton. We didn’t follow the official instructions but we had our own assigmnets....
Notes on software...
Transparency and communication on small teams I saw a post on dev.to that talks about dysfunctional teams. This is a response that...
over a year ago
1
over a year ago
I saw a post on dev.to that talks about dysfunctional teams. This is a response that focuses specifically on how to prevent burnout from overworking. This is aimed at senior/lead engineers and engineering/project managers -- because everyone in a leadership role is responsible...
Applied Cartography
Keeping a technical edge Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss...
3 months ago
3
3 months ago
Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss of being at a large company, which is dealing with deeply cutting-edge technical problems, but my ability to analyze information, make decisions, and perform at a high-level has...
Willem's Blog
From tree to table Creating a night stand from a raw slab of chestnut wood.
over a year ago
Louwrentius
Laptop or netbook as router? If you want a router for distribution of internet to your computers at home, there are several...
over a year ago
2
over a year ago
If you want a router for distribution of internet to your computers at home, there are several options. buy some embedded device from Linksys, Draytek, Asus, 3com, ZyXtel or netgear This type of hardware is cheap, economical, and gets you up and running in a few minutes. The...
Applied Cartography
Peak Newsletter A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to...
5 months ago
3
5 months ago
A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to admit this (I don't want more competition lol) but I think we're still probably a year or two away from Peak Newsletter. It's just a really good distribution mechanism for certain...
somenice
August Photo Highlights
3 months ago
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Jonas Hietala
Going down Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and...
over a year ago
2
over a year ago
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and mario bros kinda stuff. Well now I’m not so upbeat anymore, I’ve worked on this game for 7 days now and it’s not playable at all. With seven days I don’t mean a week, I’ve had a big...
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
2
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...
Vitalik Buterin's...
The Three Transitions
a year ago
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty (This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
3
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here) In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Vitalik Buterin's...
STARKs, Part 3: Into the Weeds
over a year ago
Jonas Hietala
5 Kup After a season with very bad attendence, I blame school and lack of motivation, I still went to...
over a year ago
2
over a year ago
After a season with very bad attendence, I blame school and lack of motivation, I still went to grading. I slept well but I was super stressed all weekend so I had to constantly run to the bathroom and I couldn’t eat lunch or breakfast properly, and I don’t usually get...
./techtipsy
ASRock X570M Pro4 motherboard overview Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC....
over a year ago
53
over a year ago
Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC. That meant moving from an mITX-based build to something that had a bit more expandability. Since I already had a Fractal Meshify C Mini, I decided to go for an mATX motherboard. And...
Jonas Hietala
Plans for Summer of Code My first summer job is now over, and after a weekend of rest, it is now time to plan for my second...
over a year ago
2
over a year ago
My first summer job is now over, and after a weekend of rest, it is now time to plan for my second summer job: IDA Summer of Code. I will work a month, or 4 weeks, with contributing to rust! The only issue is, I have no idea where to start. I didn’t have a strict plan or a vision...
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
2
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
4 months ago
3
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
Good Enough
TIL: Victory Symbol We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than...
a year ago
3
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: ︎. So ✌︎ renders...
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
3
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...
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 days ago
8
3 days ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Home on Erik...
Google diversity memo, global warming, Pascal's wager, and other stuff There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple...
over a year ago
2
over a year ago
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple of weeks ago. I think the case for any biological difference is pretty weak, and it bothers me when people refer to an “interest gap” as anything else than caused by the...
Arduino Blog
Enhance your IoT dashboards with Arduino Cloud’s new Image widget At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited...
3 months ago
25
3 months ago
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited to announce a new feature for Arduino Cloud that will allow you to enhance your IoT dashboards: the Image widget. The new Image widget The Image widget is a simple yet powerful...
Push to Prod
Metrics Are The Map, Not The Territory We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
4 months ago
2
4 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
Applied Cartography
October, 2024 Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
4
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought): On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
Bryan Braun - Blog
Setting up your /now page with an RSS feed I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now...
a month ago
4
a month ago
I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes. The problem is that RSS feeds aren’t...
Willem's Blog
Escaping the flat tires Finding the answer to the question how resilient a puncture-proof tire really is took me quite some...
over a year ago
2
over a year ago
Finding the answer to the question how resilient a puncture-proof tire really is took me quite some time, but alas - here it is!
Louwrentius
8 TB RAID 6 Linux software RAID using EXT4 Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID...
over a year ago
2
over a year ago
Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID 2314 (16x poorten) PSU: CooMas Silent Pro M 600W ATX2 (definitely not overkill) HD: Samsung 1 TB SAT2 HD103UJ (10x) OS: Debian Lenny with custom kernel (backported) FS: EXT4 RAID...
Jonas Hietala
Ores Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added...
over a year ago
2
over a year ago
Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added some ores which makes the game look a bit less boring. I realize I’ve spent all my time on these little things and I still don’t have a game! But it doesn’t matter, maybe I can...
Ken Shirriff's blog
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962 What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from...
10 months ago
2
10 months ago
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974? Perhaps the lesser-known Micral N (1973) or Q1 (1972)? How about the Arma Micro Computer from way back in 1962. The Arma Micro Computer was a compact 20-pound transistorized...
Good Enough
TIL: Rails Testing I had to figure out how to run browser-based tests in Rails again. In part that meant working around...
a year ago
2
a year ago
I had to figure out how to run browser-based tests in Rails again. In part that meant working around my lack of Chrome. Rails System Tests with Safari. I also had some problems with Rails Turbo Drive taking over EVERYTHING, which required me to figure out how to deal with a Rails...
Vitalik Buterin's...
From prediction markets to info finance
a month ago
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
3
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences. Some Background You...
Louwrentius
Core i7 920 @ 3,6 Ghz is a true beast! Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a...
over a year ago
2
over a year ago
Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a different kind. First, it is not only clocked at a higher speed (default 2,8 Ghz), it is also a quad-core processor. Thanks to the re- introduction of hyperthreading, this processor...
Computer Ads from...
ProHance Technologies' Power Mouse Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
Good Enough
Season 3, Issue 3: Cosmic Maelstrom 1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say...
a year ago
2
a year ago
1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say it's in the cloud, but even clouds are now looked down upon as dirtyish things that should not be enjoyed. And not because of air pollution per se, though perhaps because of...
GitButler
Fearless Rebasing GitButler now supports first class conflicts, which makes rebasing much less annoying. What is...
2 months ago
4
2 months ago
GitButler now supports first class conflicts, which makes rebasing much less annoying. What is "fearless rebasing"?
Applied Cartography
Order, Tailwind, DRY (Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating...
4 days ago
12
4 days ago
(Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating some higher-traffic, higher-leverage parts of Buttondown's admin UI away from the autogenerated Django admin and into some more bespoke components. Take, for instance, this rather...
Matt Mullenweg
Where is Lee Wittlinger? Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
2 months ago
3
2 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
computers are bad
2023-06-02 the reinvention of owens lake Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a...
a year ago
41
a year ago
Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a functional necessity to appease early-stage investor demands for "engagement")¸ I am launching a Matrix room for CAB readers. You can join it! Do whatever you do to join rooms in...
Arduino Blog
Light up the holiday season, with a new Plug and Make Kit tutorial! Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make...
2 weeks ago
16
2 weeks ago
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make Kit, you can build an interactive LED light installation that reacts when someone walks by – perfect for spreading cheer and adding a high-tech twist to your decorations. This...
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...
3 months ago
36
3 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...
Posts on Made of...
A Very Subtle Bug 6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
2
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
Engineers Need Art
Kim-1 User Manual For sale: a few KIM-1 User Manuals I printed up.
a year ago
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
99
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...
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
3
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...
Computer Ads from...
UNIX Review Magazine Interviews Larry Tesler They discuss Tesler's involvement with Xerox, Apple and office automation with Unix.
3 months ago
watchTowr Labs -...
Check Point - Wrong Check Point (CVE-2024-24919) Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
6 months ago
2
6 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze. Check Point, for those unaware, is the vendor responsible for...
Lighthouse Blog
How to organize content
6 months 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
2
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...
Arduino Blog
Control your Raspberry Pi GPIOs with Arduino Cloud using Python | Part II As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs...
7 months ago
66
7 months ago
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs remotely. Well, you have landed in the right place.  This article builds upon our previous introduction to “Visualize your Raspberry Pi data with Arduino Cloud | Part I.” Now, we’ll...
Louwrentius
Monitoring HP MSA P2000 G3 I/O latency with Nagios At work we have a couple of HP MSA P2000 G3 SANs. These are entry-level SANs that still seem to have...
over a year ago
2
over a year ago
At work we have a couple of HP MSA P2000 G3 SANs. These are entry-level SANs that still seem to have almost all features you might want from a SAN, except for official SSD-support. It seems that the new MSA 2040 adds support for SSDs and also provides 4 GB cache per controller...
Posts on Made of...
A Go/C Polyglot Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
2
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
Willem's Blog
Scalable application design without magic I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
2
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Good Enough
Grassroots TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
3
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff! As we’ve been...
Vitalik Buterin's...
Updating my blog: a quick GPT chatbot coding experiment
over a year ago
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
a month ago
4
a month ago
You want to check for strict consistency (linearizability) for your project but you don't want to have to deal with the JVM. Porcupine, used by a number of real-world systems like etcd and TiDB, has you covered! Importantly, neither Jepsen projects nor Porcupine can...
Louwrentius
Why security is all about defense in depth Many people asume that if you regularly update your computer, you are safe from hackers. But nothing...
over a year ago
3
over a year ago
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing could be further from the truth. Keeping your systems up-to-date only protects you against exploits for publicly known vulnerabilities. Your systems are still not protected...
Louwrentius
The ZFS Event Daemon on Linux If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the...
over a year ago
2
over a year ago
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the MDADM daemon took care of that. With the release of ZoL 0.6.3, a brand new 'ZFS Event Daemon' or ZED has been introduced. I could not find much information about it, so consider...
Posts on Made of...
Lightweight Linux Kernel Development with KVM I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and...
over a year ago
1
over a year ago
I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and picked up a number of useful techniques for doing kernel development in a relatively painless fashion. This blog post is a writeup of the tools and techniques I use when developing...
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
2
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!
Simply Explained
EZStore: a tiny serverless datastore for IoT data (DynamoDB + Lambda) I've been working on a few IoT projects recently, and while prototyping, I need a simple but...
over a year ago
3
over a year ago
I've been working on a few IoT projects recently, and while prototyping, I need a simple but flexible data store. I just want to push data to an API and query and visualize it later on.There are many solutions for this, but most are expensive or very limited. So I set out to...
Louwrentius
Automated install of Debian Linux based on PXE net booting Every honest and good system administrator is continue bussy with automating his work. For two...
over a year ago
2
over a year ago
Every honest and good system administrator is continue bussy with automating his work. For two reasons: Repeating the same task over and over again is friggin boring. A system administrator has better things to do, such as drinking coffee. Humans make mistakes, especially if...
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module' I have two systems that use the w83627ehf driver for hardware monitoring. However, if this driver is...
over a year ago
2
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring. However, if this driver is installed with a regular modprobe like: modprobe w83627ehf The result will be: FATAL: Error inserting w83627ehf (/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
Jonas Hietala
Food vacation in Japan Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
over a year ago
2
over a year ago
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
Matt Blewitt
Software Sprezzatura Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
2
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
Good Enough
That time Marvel secretly endorsed my podcast with “the greatest comic book cover of all time” This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a...
a year ago
2
a year ago
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a record of this somewhere on the internet!” and I don’t have my own blog. Years ago my friend and I ran a radio show called Gorilla Madness, which we also spun out into a podcast after...
Jonas Hietala
Faster than Light So I returned to Faster than Light again this weekend, this time for real. I bought it when it came...
over a year ago
2
over a year ago
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came out and I played it only in passing, but this weekend I played it a ton. Aaahh a new beginning in FTL. Will it be death once more I generally don’t like games where you have to...
Neil Madden
Making things I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
2
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Lighthouse Blog
Deep dive into finding RSS feeds
2 weeks ago
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
56
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Vitalik Buterin's...
The Revenue-Evil Curve: a different way to think about prioritizing public goods funding
over 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...
2 months ago
35
2 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...
Louwrentius
The iPad will be the death of Flash So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that...
over a year ago
2
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that it lacks support for Adobe Flash. The iPhone does not support Flash either, and since the iPad is based on the iPhone OS, this should not come as a surprise. Now many people see...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
44
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Lighthouse Blog
Overview of content
6 months ago
Willem's Blog
Helping people with free software This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
over a year ago
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
2
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and... We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
a month ago
31
a month ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Vitalik Buterin's...
Gitcoin Grants Round 6 Retrospective
over a year ago
Computer Ads from...
Comics from 1982/02 Creative Computing Mag Time for some humor
6 months ago
Posts on Made of...
Indices point between elements If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
2
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this: In this post, I want to persuade you to replace that image, or,...
Buck on Software
Don't be foie gras If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
over a year ago
2
over a year ago
If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
Home on Erik...
Luigi conquering the world I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself...
over a year ago
3
over a year ago
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself a Luigi costume a month in advance. Only to realize I was going to be out of town the whole weekend.
Posts on Made of...
Property Testing Like AFL In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
3
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
latest projects -...
Talking Tines [Concept] Tuning forks that talk
5 months ago
Applied Cartography
Bozos Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple: No Bozos....
a month ago
4
a month ago
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple: No Bozos. Simple policy. No exceptions. You know it when you see it. Every founder has a story about the time that they ignored the red flags and bent over backwards for a particularly...
Louwrentius
The future of ZFS now that OpenSolaris is dead With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very...
over a year ago
2
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very popular and very advanced Zetabyte File System (ZFS) The only open source platform that actively supports ZFS is FreeBSD. And they just 'copied' the code from OpenSolaris. Are they...
Willem's Blog
Updating Snake '97 This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
3
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Home on Erik...
Benchmark of Approximate Nearest Neighbor libraries Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you...
over a year ago
3
over a year ago
Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you have a high (1-1000) dimensional space with points in it, and you want to find the nearest neighbors to some point.
Willem's Blog
Some thoughts on touch screen user interface design I am working on a new app involving personal health that requires a natural intuitive interface that...
over a year ago
2
over a year ago
I am working on a new app involving personal health that requires a natural intuitive interface that works well on touch screens. It's good to check out some best practices for touch UI design
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 months ago
Posts on Made of...
Property-Based Testing Is Fuzzing “Property-based testing” refers to the idea of writing statements that should be true of your code...
over a year ago
2
over a year ago
“Property-based testing” refers to the idea of writing statements that should be true of your code (“properties”), and then using automated tooling to generate test inputs (typically, randomly-generated inputs of an appropriate type), and observe whether the properties hold for...
Computer Ads from...
The Grand Stand Joystick Stabilizer Support & Score Enhancer
a month ago
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library! Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
2 months ago
26
2 months ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
Jonas Hietala
Breaking the rule of three It’s pretty darn stressful making a game in a week, especially when you have this big great vision...
over a year ago
3
over a year ago
It’s pretty darn stressful making a game in a week, especially when you have this big great vision on how your game should be (which is always grand). For me making Balls, Black and White and Jonas IceCream Stand where truly stressful, MenuCity and Bugger not so much but...
Jonas Hietala
Bitcoin Cash needs a Specification I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a...
over a year ago
2
over a year ago
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a bunch of heated debates between the different Bitcoin Cash developer teams. Something that stood out from all the noise was problems with communications and a lack of specification...
Jonas Hietala
Let's build a VORON: Wrap-up It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
9 months ago
3
9 months ago
It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective. Building the printer was really fun and rewarding I’ve always seen...
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...
4 months ago
49
4 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...
Lighthouse Blog
Updates November 10
a year ago
Jonas Hietala
September theme: Failure I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
3
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site. Let’s rock!!
Louwrentius
A 12.48 inch (1304x984) three-color e-paper display by Waveshare Introduction Update September 2023: A small horizontal and large vertical row of pixels died. Demo...
over a year ago
2
over a year ago
Introduction Update September 2023: A small horizontal and large vertical row of pixels died. Demo of defective display here. I'm running a solar-powered blog and I wanted to add a low-power display to show the daily solar 'harvest'1 and maybe some additional information. So I...
Willem's Blog
Beast of the Green Hell Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
over a year ago
Willem's Blog
Snake '97 High Scores Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was...
over a year ago
1
over a year ago
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was totally WOW!
Vitalik Buterin's...
What in the Ethereum application ecosystem excites me
over a year ago
On Life and Lisp
The Apple GPU and the Impossible Bug In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
6
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Jonas Hietala
Being Productive School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all...
over a year ago
2
over a year ago
School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all going so fast, week after week is disappearing and I don’t know where they go but I know that I’m at least not wasting them like I did most of last year! Last year I managed school...
Avestura's Blog
What is the type of Type? Should type of `Type` be also `Type`? Or is there an alternative?
over a year ago
Good Enough
Cool URLs Don’t Die If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
3
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers. This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
Jonas Hietala
A simple timeline using CSS flexbox As I added a /now page to the site I also decided to refresh my /about page and I figured it would...
3 months ago
2
3 months ago
As I added a /now page to the site I also decided to refresh my /about page and I figured it would be neat to have timeline element where I could list some of the larger events in my life. To my surprise it wasn’t too difficult to create one that looks pretty clean—the flexbox...
Yazin Alirhayim
The Meem app: it sucks If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
2
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch. That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
Applied Cartography
You should use Helpscout Was digging through old issues of the personal site and found this draft snippet: I was evaluating...
10 months ago
2
10 months ago
Was digging through old issues of the personal site and found this draft snippet: I was evaluating HelpScout as a potential first step in a series of many, many steps to onboard a dedicated support engineer for Buttondown, and it turns out that the process of adding custom...
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
39
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
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...
10 months ago
64
10 months 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...
Home on Erik...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
2
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system Your service cannot process events fast enough during peak hours. There is no obvious quick and...
a year ago
73
a year ago
Your service cannot process events fast enough during peak hours. There is no obvious quick and dirty fix. Refactoring would take ages. People have been unhappy for a while now. What the hell do you do? Background I had the pleasure of working with a legacy backend system...
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
2
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Arduino Blog
Simplifying IoT for smarter manufacturing: Join the chat with Arduino, AWS, and Atlas Machine We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes...
2 weeks ago
12
2 weeks ago
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes feel daunting. But what if you could simplify the process and start seeing results quickly? That’s exactly what we’re going to explore in our upcoming Arduino Cloud Café webinar on...
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May! Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
7 months ago
84
7 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Jonas Hietala
Postmortem: Sat-E This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The...
over a year ago
2
over a year ago
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The Good Motivation I was really motivated for this dare and it showed in the game and outside it. It’s super hard to make a game in only 48 hours but this time it went pretty well. My...
Notes on software...
Implementing the Raft distributed consensus protocol in Go As part of bringing myself up-to-speed after joining TigerBeetle, I wanted some background on how...
a year ago
3
a year ago
As part of bringing myself up-to-speed after joining TigerBeetle, I wanted some background on how distributed consensus and replicated state machines protocols work. TigerBeetle uses Viewstamped Replication. But I wanted to understand all popular protocols and I decided to start...
Notes on software...
Building a fast SCSS-like rule expander for CSS using fuzzy parsing This is an external post of mine. Click here if you are not redirected.
over a year ago
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
29
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Style over Substance
Review of the 2-dial TTArtisan Light Meter My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
66
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024 I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I...
4 months ago
50
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later. Oops. I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
Birchtree
The future simply has more computers (members post) Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
10
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
Christian Selig
Announcing Juno 2.0 Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
5 months ago
75
5 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it. Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
./techtipsy
The optimization treadmill: why I keep changing my computing setup all the time I have a bad habit of changing my computing setups all the time. I tend to see new gear, then I...
a year ago
136
a year ago
I have a bad habit of changing my computing setups all the time. I tend to see new gear, then I get some new ideas, and then I obsessively think about it for weeks and months until I just buy it. And then the cycle repeats. I’ve had time to think about why that keeps happening...
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989) Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
Avestura's Blog
Explaining The Postgres Meme Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
a year ago
Notes on software...
Generating a REST API from a database I recently published an alpha version of a code generation tool, DBCore, that reads a...
over a year ago
2
over a year ago
I recently published an alpha version of a code generation tool, DBCore, that reads a database schema from PostgreSQL or MySQL and generates an entire Go API with CRUD operations, pagination, filtering, and authentication. But more than just generating code like xo/xo or...
Jonas Hietala
An intriguing new puzzle Here’s another game made for the experimental gameplay project: Slidoku which is a sort of mix...
over a year ago
2
over a year ago
Here’s another game made for the experimental gameplay project: Slidoku which is a sort of mix between Rubik’s cube and sudoku. I enjoy puzzles like those and I really enjoyed this one too - it took me a while to beat it but I just love the feeling when you do. If you like...
Jonas Hietala
Ludum Dare 29 Entry After months of procrastination it is time for me to enter Ludum Dare again! I am totally...
over a year ago
2
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again! I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something. Repository: https://github.com/treeman/LD29. Going for C++ this...
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
3
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A...
Willem's Blog
CAPTCHA Alternative If you're looking for a user-friendly alternative for CAPTCHA's you should check this post out where...
over a year ago
2
over a year ago
If you're looking for a user-friendly alternative for CAPTCHA's you should check this post out where I outline how I protect web forms against malicious actors and spammers.
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
3
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...
Louwrentius
Understanding Windows KMS and MAK volume license activation Introduction If you have to administer a large number of PCs running Windows, you will end up...
over a year ago
3
over a year ago
Introduction If you have to administer a large number of PCs running Windows, you will end up creating an automated deployment platform for your Windows clients. You may implement something like Windows Deployment Services. I used WDS to create a fully automated installation of...
Arduino Blog
Kick off the Monaco Grand Prix weekend with these Formula 1-inspired Arduino projects The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the...
7 months ago
89
7 months ago
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the season. While most fans can’t participate directly — except as spectators — they can celebrate their passion through DIY projects. That’s why we’ve scoured the community to find the...
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
3
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...
Nabeel S. Qureshi
Notes on Puzzles 1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a...
a year ago
2
a year ago
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a way I don’t like — but one habit I’ve retained is solving puzzles.
Willem's Blog
Wearing Grand Seiko I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship,...
over a year ago
2
over a year ago
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship, innovation and practicality.
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
2
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Notes on software...
Book Review: ANSI Common Lisp Score: 4.5 / 5 Paul Graham and his editor(s) are excellent. His prose is light and easy to follow....
over a year ago
2
over a year ago
Score: 4.5 / 5 Paul Graham and his editor(s) are excellent. His prose is light and easy to follow. The only awkward component of the book's organization is that he tends to use a concept one section before explicitly introducing and defining that concept. I'm not sure yet if this...
Arduino Blog
Exploring fungal intelligence with biohybrid robots powered by Arduino At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking...
a month ago
17
a month ago
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking research that brings together the fields of robotics, biology, and engineering. Their recent experiments, published in Science, explore how fungal mycelia can be used to control robots....
Old Vintage...
Cracking DesignWare's The Grammar Examiner on the C64 It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This...
a year ago
67
a year ago
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This weekend I had a reason to. The Grammar Examiner from 1984, something like a mashup between a board game and Strunk and White's Elements of Style, where you get to edit a fictional...
Computer Ads from...
Salamander Software's Franklin's Tomb My name is Diamond, Dan Diamond. I'm a private cop.
9 months ago
Matt Blewitt
Service Objects in Rails Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects,...
over a year ago
3
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects, in the context of Rails.
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output...
over a year ago
2
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output is written to a file or disk. Only when Nmap is finished, is all output written to the output file. Often, I want to start processing results of hosts that have already been...
On Life and Lisp
Software freedom isn't about licenses -- it's about power. A restrictive end-user license agreement is one way a company can exert power over the user. When...
over a year ago
6
over a year ago
A restrictive end-user license agreement is one way a company can exert power over the user. When the free software movement was founded thirty years ago, these restrictive licenses were the primary user-hostile power dynamic, so permissive and copyleft licenses emerged as...
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...
a year ago
2
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!
Abort Retry Fail
The History of Slackware The Oldest Surviving Linux Distribution
a year ago
Louwrentius
Affordable server with server-grade hardware part II If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
2
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic. It is recommended to read the old post first. In this new post, I only show new...
Push to Prod
When Overwhelmed, Make a List of Questions In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
4 months ago
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
Vitalik Buterin's...
[Mirror] Central Planning as Overfitting
over a year ago
Willem's Blog
The Problem With Bitcoin Some thoughts on the long term viability of Bitcoin's rising value.
a week ago
Jonas Hietala
How I wrote a book using Pollen I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my...
over a year ago
3
over a year ago
I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my first impressions of it, but as the book is now completed I think I can summarize some implementation details in more detail with this post. I really like the markup language and...
Posts on Made of...
Some thoughts on Quora With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation,...
over a year ago
2
over a year ago
With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation, there’s been an awful lot of attention on Quora. I’ve had an account there and wanted to write up some of my initial thoughts. If you haven’t heard about Quora, it’s yet another...
Jonas Hietala
2017 in Review In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got...
over a year ago
2
over a year ago
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got a child in October! It really alters your perspectives and other things suddenly feel a little less important and of course there’s less time to do other stuff. A little late and...
Arduino Blog
Zoo elephants get a musical toy to enrich their lives Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
2 weeks ago
7
2 weeks ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
Willem's Blog
The Same, Differently
a year ago
Jonas Hietala
Motivation is Valuable It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
2
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Christian Selig
Theming Apps on iOS is Hard Theming apps (the ability to change up the color scheme for an app from say, a white background with...
over a year ago
39
over a year ago
Theming apps (the ability to change up the color scheme for an app from say, a white background with blue links to a light green background with green links) is a pretty common feature across a lot of apps. It’s one of the core features of the new “Twitter Blue” subscription,...
Notes on software...
Lessons learned streaming building a Scheme-like interpreter in Go I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like...
a year ago
2
a year ago
I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like language (minus macros and arrays and tons of stuff). I picked this simple topic because I wanted a low-stakes way to learn what I did not know about making videos. Here was the...
Notes on software...
What makes a great technical blog I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely...
8 months ago
3
8 months ago
I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely about non-corporate tech blogs. So this post is too. I'll have to make another list for favorite corporate tech blogs. In short, they: Tackle hard and confusing topics Show working...
Vitalik Buterin's...
DAOs are not corporations: where decentralization in autonomous organizations matters
over a year ago
Computer Ads from...
Maxell's MF 2-DD Floppies The Gold Standard
3 weeks ago
latest projects -...
Light comms on the 003 [Hardware] Tiny terrahertz transmissions
4 months ago
seangoedecke.com RSS...
Talking to ChatGPT costs 5ml of water, not 500ml There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50...
a month ago
4
a month ago
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50 responses. Here are some randomly-chosen…
Jonas Hietala
Starcraft 2 Keycaps When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
3
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
Neil Madden
Some incomplete thoughts about Gödel I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve...
over a year ago
3
over a year ago
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve wanted to write about for some time. Although many articles do a decent job in giving an idea of what the big deal is (and this one is pretty good), they can sometimes give a...
Jonas Hietala
Friend of the Tree I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
3
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
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
2
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.
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
Home on Erik...
Installing TensorFlow on AWS Curious about Google's newly released TensorFlow? I don't have a beefy GPU machine, so I spent some...
over a year ago
3
over a year ago
Curious about Google's newly released TensorFlow? I don't have a beefy GPU machine, so I spent some time getting it to run on EC2. The steps on how to reproduce it are pretty brutal and I wouldn't recommend going through it unless you want to waste five hours of your live.
Louwrentius
Determining smartphone market share using wireless sniffing I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most...
over a year ago
2
over a year ago
I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most smartphones support wifi and most people don't bother disabling wifi when they go outdoors1. If wifi is left on, it is possible to detect these smartphones and track their movement. To...
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Old Vintage...
xa (xa65) 2.4.0 - finally xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
60
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
a month ago
22
a month ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
Applied Cartography
Weird test: internal link checking I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
1
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign! const extractInternalLinks = (content: string): string[] => { // Check for internal links only, in the form of [text](/path). const...
Christian Selig
Introducing Tiny Storage: a small, lightweight UserDefaults replacement Hey I'm a developer not an artist Following my last blog post about difficulties surrounding...
2 months ago
43
2 months ago
Hey I'm a developer not an artist Following my last blog post about difficulties surrounding UserDefaults and edge cases that lead to data loss (give it a read if you haven’t, it’s an important precursor to this post!), I wanted to build something small and lightweight that...
Notes on software...
io_uring basics: Writing a file to disk King and I wrote a blog post about building an event-driven cross-platform IO library that...
a year ago
2
a year ago
King and I wrote a blog post about building an event-driven cross-platform IO library that used io_uring on Linux. We sketched out how it works at a high level but I hadn't yet internalized how you actually code with io_uring. So I strapped myself down this week and wrote...
Lighthouse Blog
How to subscribe to content
6 months ago
Applied Cartography
Why your marketing site should be separate In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
3 months ago
3
3 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
Lighthouse Blog
Overview of the reading view
6 months ago
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
30
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Lighthouse Blog
Updates March 22
9 months ago
Jonas Hietala
Recent experiences with Netrunner tournaments After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three...
over a year ago
2
over a year ago
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three tournaments during February - March. After each of these tournaments I started a writeup of them but they fell off my mind a bit but consider this my break with my blogging...
Arduino Blog
Exercise while you game with this interactive treadmill add-on Motion-based controls for games have been around for decades, but even with the latest generation of...
3 months ago
42
3 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
Lighthouse Blog
How to use rules
6 months ago
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary In this post we'll stumble toward a working emulator for a barebones C program compiled for...
over a year ago
2
over a year ago
In this post we'll stumble toward a working emulator for a barebones C program compiled for linux/AMD64. The approach will be slightly more so based on observation than by following a spec; a great way to quickly become familiar with a topic, and a bad way to...
Jonas Hietala
No game this month Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
2
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
4 months ago
2
4 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Jonas Hietala
I beat FTL on Hard with all ships in the game For 2023 I wanted to do something different than usual—I wanted to start playing computer games...
a year ago
3
a year ago
For 2023 I wanted to do something different than usual—I wanted to start playing computer games again. So I gave myself a late Christmas gift and bought a Steam Deck (and like any self-serving gentleman I took care to pitch it as being for my kids) and I started loading it up...
./techtipsy
Life is maintenance, maintenance is life Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
47
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things. When I was still an inexperienced junior developer who barely survived operating in a Linux environment and saw backend development as a black box, I was happy to get...
Louwrentius
Script that shows ETA of RAID rebuild / reshape I made a small script that converts the output of cat /proc/mdstat to an actual date and time...
over a year ago
3
over a year ago
I made a small script that converts the output of cat /proc/mdstat to an actual date and time telling you when the RAID rebuild / reshape is finished. This is the link to the correct version of the script. Example: debian:~# ./raid-rebuild-eta.sh Estimated time of finishing...
./techtipsy
How to start your self-hosting adventure: a high-level overview Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in...
over a year ago
30
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in /r/homelab, storage measured in terabytes (or even petabytes) over at /r/datahoarder, all the different services that people host over at /r/selfhosted. This can be a bit...
Louwrentius
Why I believe the new Mac Pro won't be a great machine for gaming In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking...
over a year ago
3
over a year ago
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking about buying a new Mac Pro for gaming. I believe that gaming on the new Mac Pro will be a mediocre experience. Driver support: as John mentioned himself, the video cards are...
Vitalik Buterin's...
Proof of Stake FAQ
over a year ago
Old Vintage...
Composite and hard reset mods for the Tandyvision One I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
19
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component. The Mattel Intellivision proper originally hails...
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
2
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support. Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download. First,...
Good Enough
You Complete Me When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
2 weeks ago
5
2 weeks ago
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one or two people who were only semi-serious about a business), it was fun to play around with building websites. Shawn and I were truly just playing and exploring, more than anything...
Vitalik Buterin's...
Review of Optimism retro funding round 1
over a year ago
Matt Blewitt
Corporate Legibility for Software Engineers Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those...
over a year ago
2
over a year ago
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those not directly involved. I’ll help you understand why this is an important thing to be aware of and how to use it to help your career.
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
2
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed. So I googled around and found this post...
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
3
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...
Jonas Hietala
Weekend Tournaments This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament...
over a year ago
3
over a year ago
This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament and on Sunday the local Netrunner community hosted a small summer kit tournament. Game of Thrones We’ve had a similar tournament once before when me and my girlfriend invited two of...
computers are bad
2023-03-24 docker Lately I tend to stick to topics that are historic by at least twenty years, and that does have a...
a year ago
62
a year ago
Lately I tend to stick to topics that are historic by at least twenty years, and that does have a lot of advantages. But I am supposedly a DevOps professional, and so I will occasionally indulge in giving DevOps advice... or at least opinions, which are sort of like advice but...
./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...
10 months ago
81
10 months 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...
Home on Erik...
Model benchmarks A lot of people have asked me what models we use for recommendations at Spotify so I wanted to share...
over a year ago
2
over a year ago
A lot of people have asked me what models we use for recommendations at Spotify so I wanted to share some insights. Here's benchmarks for some models. Note that we don't use all of them in production.
Home on Erik...
Scala Data Pipelines for Music Recommendations Chris Johnson‘s presentation from Data Day Texas:
over a year ago
Arduino Blog
Making a car more secure with the Arduino Nicla Vision Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
4 months ago
36
4 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
Abort Retry Fail
The History of Red Hat The Billion Dollar Open Source Company
a year ago