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Home on Erik...
Luigi success So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github,...
over a year ago
6
over a year ago
So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github, then shortly after passed mrjob as (I think) the most popular Python package to do Hadoop stuff. This is exciting!
Notes on software...
A paper reading club at work; databases and distributed systems research I started a paper reading club this week at work, focused on databases and distributed systems...
9 months ago
7
9 months ago
I started a paper reading club this week at work, focused on databases and distributed systems research. I posted in a general channel about the premise and asked if anyone was interested. I clarified the intended topic and that discussions would be asynchronous over email, run...
Jonas Hietala
Dijkstra's Algorithm For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
6
over a year ago
For rust, I’m updating the documentation for the standard library and specifically with the collections. For the priority queue I had the idea to use Dijkstra’s algorithm as a fun example. That idea was well received and that example is now live. At first I wanted to use A* to...
axio.ms
Mac SE/30 odyssey I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other...
over a year ago
7
over a year ago
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other members of the original “compact Mac” series, but pack in a ton of interesting features that the other compact Macs don’t have. This is the story of my journey to getting to the...
Jonas Hietala
Fixing Problems Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a...
over a year ago
7
over a year ago
Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a nice thread with a great answer. I solved it by forcefully patching libflashplayer.so perl -pi.bak -e 's/libvdpau/lixvdpau/g' libflashplayer.so Worked perfectly! I fixed the...
Birchtree
Apple’s 2024 report card: Vision Pro 👓 This is the fifth and final post in a series of posts reviewing Apple’s 2024 across their major...
a week ago
20
a week ago
This is the fifth and final post in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s Vision Pro report card here. Year one of Vision Pro This is a bit of
Arduino Blog
Arduino Education at Bett 2025: Shaping the future of K-12 and HE Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from...
3 weeks ago
24
3 weeks ago
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from January 22nd-24th at the ExCeL exhibition center in London, Bett is the ultimate global event for educational innovation.  We are attending the stand with our partner CreativeHut...
Good Enough
Why We Built Quack (Beta) Today we're launching a tiny beta tool called Quack. It is a simple utility for you to share a...
a year ago
6
a year ago
Today we're launching a tiny beta tool called Quack. It is a simple utility for you to share a beautifully rendered version of any markdown text. Type away in our simple editor. When you're done writing, click Share to grab the link for sending to others. There are no servers in...
Jonas Hietala
Pushing toward Git The time has come; it’s time for me to move my source out in the open for the first time. Repository...
over a year ago
6
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time. Repository deleted, never became anything Available on Github It’s nothing special really, if you want take a look at the code and help me improve it.
Posts on Made of...
Why node.js is cool (it's not about performance) For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
4
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Jonas Hietala
A * After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
6
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked. I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
./techtipsy
ThinkPad as a server: the follow-up It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home...
a year ago
58
a year ago
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home server. After doing some experiments with my setup a couple of times, it is once again the main server for all my self-hosting needs. However, this time I have made some...
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
25
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...
Vitalik Buterin's...
A Guide to 99% Fault Tolerant Consensus
over a year ago
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
3 weeks ago
20
3 weeks ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Home on Erik...
What's Erik up to? I joined Better in early 2015 because I thought the team was crazy enough to actually change one of...
over a year ago
6
over a year ago
I joined Better in early 2015 because I thought the team was crazy enough to actually change one of the largest industries in the US. For six years, I ran the tech team, hiring 300+ people, probably doing 2,000+ interviews, and according to GitHub I added 646,941 lines of code...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
6
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers. In fact, they weren't displaying in my own feed reader, which routes through Feedly. I was sad. I spent a lot of time troubleshooting this. Compared our feed with a lot of atom...
Louwrentius
Why Debian/Ubuntu Linux is to be preferred There are many Linux distributions around. However, I always come back to just one: Debian. The...
over a year ago
4
over a year ago
There are many Linux distributions around. However, I always come back to just one: Debian. The reason why so many people use Debian is the same reason I like it so much: software management.  With good old apt-get or the new aptitude, software is installed within minutes. Due to...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
8 months ago
6
8 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the success of the x86 architecture. The designers of the IBM PC selected...
Notes on software...
Responsibility and ownership Responsibility is only possible by granting ownership and setting expectations. If you don't turn...
over a year ago
6
over a year ago
Responsibility is only possible by granting ownership and setting expectations. If you don't turn over ownership, don't expect folks to take responsibility. When you grant ownership and set expectations, you'll be astounded what folks will accomplish without you. I am astounded.
Arduino Blog
Introducing Opta Expansions: scalable simplicity! Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and...
8 months ago
50
8 months ago
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and allowed us to reach PLC engineers with a new solution specifically designed for their needs.  To further expand Opta’s capabilities, today the Arduino ecosystem welcomes various...
Nabeel S. Qureshi
How To Sell Sales at a startup is counter-intuitive.
over a year ago
Louwrentius
Linode hacked: the dark side of cloud hosting Linode has released an update about the security incident first reported on April 12, 2013. The...
over a year ago
4
over a year ago
Linode has released an update about the security incident first reported on April 12, 2013. The Linode Manager is the environment where you control your virtual private servers and where you pay for services. This is the environment that got compromised. Linode uses Adobe's...
Willem's Blog
Influencing purchase behaviour For my work I am continuously looking into scientific sources to improve e-commerce performance,...
over a year ago
4
over a year ago
For my work I am continuously looking into scientific sources to improve e-commerce performance, conversion rates and online revenue. Use this useful report to apply behavioural sciences principles to your advantage.
Notes on software...
Exploring Postgres's arena allocator by writing an HTTP server from scratch This is an external post of mine. Click here if you are not redirected.
2 months ago
GitButler
Fixing up Git with Autosquash How can you amend a series of commits automatically to keep a clean history? Let's take a look at...
10 months ago
5
10 months ago
How can you amend a series of commits automatically to keep a clean history? Let's take a look at git autosquash.
latest projects -...
Badge [Hardware] A RISC-V LED matrix
a year ago
Jonas Hietala
Let's create a Tree-sitter grammar One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax...
9 months ago
4
9 months ago
One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters and...
Louwrentius
FFmpeg performance on a Core i7 920 @ 3.6 Ghz The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies)...
over a year ago
6
over a year ago
The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies) to iPod format (640x480 x264). Thread support is enabled, to FFmpeg uses about 250% CPU. That's 2.5 of the 4 cores available. If possible, I would have liked to see it use all four...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
6
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine. I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Computer Ads from...
Comics from 1982/02 Creative Computing Mag Time for some humor
7 months ago
Arduino Blog
This autonomous go-kart only needs a camera to navigate a workshop circuit Autonomous vehicles, and self-driving cars in particular, are probably one of the most enticing...
2 weeks ago
24
2 weeks ago
Autonomous vehicles, and self-driving cars in particular, are probably one of the most enticing technologies of the 21st century. But despite a great deal of R&D and even more speculation, we have yet to see a self-driving car that can actually operate on real public roads...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
45
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
Willem's Blog
Building the blog... in style! Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
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
11
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
anderegg.ca
The trouble with openness Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
a month ago
10
a month ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time. One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Neil Madden
Galois/Counter Mode and random nonces It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain...
7 months ago
7
7 months ago
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
4
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
Lighthouse Blog
A primer on view management
7 months ago
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...
4 months ago
6
4 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...
On Life and Lisp
Vulkan 1.3 on the M1 in 1 month u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the...
7 months ago
66
7 months ago
u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the M1! The new “Honeykrisp” driver is the first conformant Vulkan® for Apple hardware on any operating system, implementing the full 1.3 spec without “portability”...
Matt Blewitt
Logical Replication Guardrails I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few...
7 months ago
4
7 months ago
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few thoughts on how to implement some guardrails to make things easier on operators.
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
39
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
computers are bad
2024-03-17 wilhelm haller and photocopier accounting In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first...
9 months ago
93
9 months ago
In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first practical method of mass-duplicating text. After various other projects, he applied his press to the production of the Bible, yielding over one hundred copies of a text that...
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation! Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
68
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions to...
Simply Explained
How I Built an NFC Movie Library for my Kids When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to...
a year ago
8
a year ago
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to today, and my children's movie collection is vastly different. It's completely digital and dispersed across services. I wanted to recreate the tangible magic of my childhood for them.
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
7
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
lcamtuf’s thing
The 101 of analog signal filtering Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
6 months ago
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
7
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal: $ ls .cabal/bin/ xmonad@ But still when I...
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E) I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
6
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Louwrentius
The 'hidden' cost of using ZFS for your home NAS Introduction Update December 2023: In June, it was announced that iXsystems would sponsor...
over a year ago
6
over a year ago
Introduction Update December 2023: In June, it was announced that iXsystems would sponsor implementing the VDEV expansion feature. A new pr has been created for this effort. The feature was merged into the code base, but may not be available to the general public before the end...
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
2
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...
Jonas Hietala
Up like a Sun, Down like a Pancake I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
6
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
Arduino Blog
7 powerful ways to integrate Collaborative Coding into education with the Arduino Cloud Collaborative coding in education can be a game-changer for students, providing them with real-world...
2 months ago
26
2 months ago
Collaborative coding in education can be a game-changer for students, providing them with real-world skills in communication, teamwork, and problem-solving. With the new collaborating coding feature of the Arduino Cloud, students can collaborate in real time on coding projects,...
./techtipsy
My very first Dungeons and Dragons campaign In December 2024, I did something that I had never done before: I participated in a short (~6 hours)...
a week ago
24
a week ago
In December 2024, I did something that I had never done before: I participated in a short (~6 hours) Dungeons and Dragons campaign. It was the nerdiest thing ever, and I loved it! The setting After another day of keeping a critical production service up, the whole team met up at...
Arduino Blog
Innovative new tactile sensor helps assess fine motor skills Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s...
7 months ago
69
7 months ago
Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s motor skills can be critical in diagnosing and treating a variety of conditions. But objective evaluation has been a challenge, as suitable sensors weren’t available. To help...
Birchtree
Starship is a late contender for favorite new things in 2024 I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the...
2 weeks ago
14
2 weeks ago
I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the cartridge all these years later, but it's not as big a part of my childhood as Ocarina of Time was. That said, the Ocarina
Louwrentius
Benchmark results of Random I/O performance of different RAID levels Introduction I have performed some benchmarks to determine how different RAID levels perform when...
over a year ago
4
over a year ago
Introduction I have performed some benchmarks to determine how different RAID levels perform when handling a 100% random workload of 4K requests. This is a worst-case scenario for almost every storage subsystem. Normal day-to-day workloads may not be that harsh in a real-life...
Notes on software...
Delightful, production-grade replication for Postgres This is an external post of mine. Click here if you are not redirected.
5 months ago
Ian's Blog
GitHub Notification Emails Hijacked to Send Malware As an open source developer I frequently get emails from GitHub, most of these emails are...
3 months ago
7
3 months ago
As an open source developer I frequently get emails from GitHub, most of these emails are notifications sent on behalf of GitHub users to let me know that somebody has interacted with something and requires my attention. Perhaps somebody has created a new issue on one of my...
lcamtuf’s thing
The marvelous disappearing capacitor The performance of photodiode amplifiers can be improved in a clever way.
a month ago
Jonas Hietala
Beginning Programming I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
6
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points: Too long Too many examples like “Hello World!” No answers to exercises. Nr 1 is a pretty curious one. Even though I think a book is good,...
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
64
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...
Home on Erik...
Fermat's principle I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
6
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
Louwrentius
'Tip of the day for every Linux or Unix user: brace expantion' Searching the web I discovered some really nice feature of the unix shell, which I didn't know...
over a year ago
4
over a year ago
Searching the web I discovered some really nice feature of the unix shell, which I didn't know about. Try this: touch foobar.conf Now try this: cp foobar.conf{,.bak} It is equivalent to: cp foobar.conf foobar.conf.bak This is also the easiest way to create sequences. Do not use...
Louwrentius
Benchmarking a 1.44 MB floppy drive I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its...
over a year ago
6
over a year ago
I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its random I/O performance. I have no real reason for doing this. I just thought it was funny. I've run a benchmark against the floppy drives for different queue depths. The results are...
Louwrentius
'Improved' image gallery for Blogofile This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports...
over a year ago
7
over a year ago
This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports a small image gallery that has been written to illustrate how to create your own 'controllers' or Blogofile plugins. My Python skills are horrible buy I managed to improve a bit...
Posts on Made of...
Finding near-duplicates with Jaccard similarity and MinHash Suppose we have a large collection of documents, and we wish you identify which documents are...
6 months ago
7
6 months ago
Suppose we have a large collection of documents, and we wish you identify which documents are approximately the same as each other. For instance, we may have crawled the web over some period of time, and expect to have fetched the “same page” several times, but to see slight...
Notes on software...
Interview With Phil of DataStation This is an external interview. Click here if you are not redirected.
over a year ago
Jonas Hietala
Ludum Dare 22 results! The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was...
over a year ago
6
over a year ago
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was quite happy with it. #24 Community 3.71 #40 Fun 3.38 #49 Theme 3.69 #65 Overall 3.42 #95 Humor 2.82 #167 Mood 2.92 #247 Innovation 2.69 #338 Audio 2.23 #340 Graphics 2.62 #376...
Notes on software...
The year in books: 2022 In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the...
a year ago
7
a year ago
In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the number of pages. 3 fiction and 17 non-fiction. Another ~30 started but not finished. I had a hard time reading books while I was trying to start my own company. But I also...
Buck on Software
Thinking incrementally about SaaS An overview of the key output of the growth software machine
over a year ago
Home on Erik...
Home
over a year ago
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
7
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430 I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2...
over a year ago
37
over a year ago
I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that they purchased from AliExpress. The adapter has a similar purpose to the one designed by thinkmods.store, with the added bonus that it could fit longer NVMe...
Jonas Hietala
Rewriting my blog in Rust for fun and profit Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
7
over a year ago
Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far. But all good...
Old Vintage...
The Living Computers Museum finally isn't First off, apologies for a quiet month as I've been dealing with family matters which hopefully are...
6 months ago
85
6 months ago
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are now on a better footing (more articles are in the hopper). Unfortunately, the same apparently can't be said for the once-great Living Computers Museum + Labs in Seattle,...
Willem's Blog
Building a product platform Leverage platform capabilities to quickly launch new products, designing for reusability,...
over a year ago
7
over a year ago
Leverage platform capabilities to quickly launch new products, designing for reusability, flexibility and extensibility.
Opsbros
Pro-tip for Baristas If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup,...
over a year ago
7
over a year ago
If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup, you've definitely come across the issue that when it's 'overfilled' it will overflow when the lid is put back on. There is a
./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...
11 months ago
88
11 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...
./techtipsy
Fairphone 5: my heavily biased overview after 58 days of use (and counting) After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The...
10 months ago
125
10 months ago
After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The fact that iPhone X stopped receiving major iOS updates certainly helped make that decision. “But why? My Xiaomi/Oneplus/Samsung/other glued-together device is like so much cheaper and...
Jonas Hietala
A Week of Headache This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had...
over a year ago
6
over a year ago
This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had this big headache all week, and some the week before and it’s gotten pretty bad so I can’t really concentrate on anything really. The electronics assignment was a bitch and it took a...
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a...
over a year ago
7
over a year ago
Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a builtin imperative programming language called PL/pgSQL. I used to think this language was scary because it has a bit more adornment than your usual language does. But looking deeper,...
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
6
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.
Home on Erik...
Benchmarking nearest neighbor libraries in Python Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in...
over a year ago
7
over a year ago
Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in Python. This is exciting, because one of the libraries he's covering, annoy, was built by me. After introducing the problem, he goes through the list of contestants and sticks with...
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
4
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?
Vitalik Buterin's...
My 40-liter backpack travel guide
over a year ago
Simply Explained
Static webhosting benchmark: AWS, Google, Firebase, Netlify, GitHub & Cloudflare Static websites are still a hot topic. They are fast, and they're incredibly secure because there...
over a year ago
4
over a year ago
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static website hosting provider in 2020?...
computers are bad
2023-11-25 the curse of docker I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza...
a year ago
77
a year ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker. Packaging software is one of those fundamental...
Applied Cartography
Typesafe routes in Vue I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
5
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted. I built out and...
On Life and Lisp
Conformant OpenGL 4.6 on the M1 For years, the M1 has only supported OpenGL 4.1. That changes today – with our release of full...
11 months ago
31
11 months ago
For years, the M1 has only supported OpenGL 4.1. That changes today – with our release of full OpenGL® 4.6 and OpenGL® ES 3.2! Install Fedora for the latest M1/M2-series drivers. Already installed? Just dnf –refresh upgrade. Unlike the vendor’s non-conformant 4.1 drivers, our...
Neil Madden
CVE-2022-21449: Psychic Signatures in Java The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
7
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
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...
3 months ago
40
3 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...
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
70
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.
Jonas Hietala
Getting the book into my hands Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?....
over a year ago
4
over a year ago
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?. I took the cheapest shipping option at IngramSpark, without tracking and, apparently, without customs declarations as it got stuck in customs for several weeks. But it’s here...
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
6
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...
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
4
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,...
Construction Physics
The Influence of Bell Labs We’ve talked previously about Bell Labs’ long, storied history as an innovation engine and a...
a month ago
39
a month ago
We’ve talked previously about Bell Labs’ long, storied history as an innovation engine and a generator of new technology.
./techtipsy
I've reached the self-hosting endgame Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim...
over a year ago
30
over a year ago
Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim to my imagination and completely changed my self-hosting setup. Again. Here it is, in all its glory: Well, at least that’s what’s on the table. This machine is a true all-in-one:...
Lighthouse Blog
Updates April 12
9 months ago
Jonas Hietala
Long Term Goals I have a lot of things I want to do. Right now I want to go to the kids training tomorrow and also...
over a year ago
7
over a year ago
I have a lot of things I want to do. Right now I want to go to the kids training tomorrow and also to our training time. I haven’t trained a lot lately so it feels good to do something again and training the kids is very rewarding. On Monday I have the next graph theory lecture...
Willem's Blog
Backup Rotation Scheme Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync,...
a year ago
6
a year ago
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync, creating and maintaining multiple recovery points from your backups.
Arduino Blog
Amassing a mobile Minion militia Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the...
4 months ago
37
4 months ago
Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the public in local shopping malls. Building one minion robot is, in theory, pretty straightforward. That is especially true when, like these, that robot isn’t actually bipedal and...
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
3 months ago
44
3 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
Notes on software...
Bootloader basics I spent a few days playing around with bootloaders for the first time. This post builds up to a text...
over a year ago
7
over a year ago
I spent a few days playing around with bootloaders for the first time. This post builds up to a text editor with a few keyboard shortcuts. I'll be giving a virtual talk based on this work at Hacker Nights on Jan 27. There are a definitely bugs. But it's hard to find...
Vitalik Buterin's...
How do layer 2s really differ from execution sharding?
7 months ago
Willem's Blog
Six months with MCADD It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
7
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Jonas Hietala
Goals for Autumn 2016 Every once and a while I like to redo my priorities and set new goals for myself. I recently read...
over a year ago
4
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself. I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Jonas Hietala
Microfeatures in my blog xkcd: Nerd sniping A while I ago I encountered a blog post called Microfeatures I Love in Blogs and...
6 months ago
7
6 months ago
xkcd: Nerd sniping A while I ago I encountered a blog post called Microfeatures I Love in Blogs and Personal Websites, and together with the related Hacker News discussion I got nerd sniped. (I spent more time than I care to admit implementing new and exciting microfeatures for...
Home on Erik...
The relationship between commit size and commit message size Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's...
over a year ago
5
over a year ago
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's my rationale: When I update one line of code I feel like I have to put in a long explanation about its side effects, why it's fully backwards compatible, and why it fixes some...
Home on Erik...
More Luigi: Presentation from OSCON I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about...
over a year ago
5
over a year ago
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about Luigi: Next week I'm presenting at the NYC Predictive Analytics meetup together with Blake Shaw from Foursquare.
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
7
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...
Louwrentius
Why I do not use ZFS as a file system for my NAS Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I...
over a year ago
4
over a year ago
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I have multpile reasons why I do not use ZFS and probably never will. ** A lot has changed since this article was first published. I do now recommend using ZFS. I've also based my...
Louwrentius
Finding a good blu-ray player for Mac OS X I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
6
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare. To play a Blu-ray movie, you have to perform these steps: right-click on the BDMV file choose 'show packet contents' go to...
Nabeel S. Qureshi
The Serendipity Machine Notes on Using Twitter
11 months ago
Jonas Hietala
Competition Feedback The voting is over and I got a few ratings I want to comment on. You can view all ratings and...
over a year ago
4
over a year ago
The voting is over and I got a few ratings I want to comment on. You can view all ratings and comments here. They’re all from 1 to 5. Innovation: 3.75 Fun: 3.29 Theme: 3.17 Graphics: 2.54 Audio: 2.14 Humor: 2.54 that ugly. Overall: 3.13 something playable out of this. Community:...
watchTowr Labs
Pots and Pans, AKA an SSLVPN - Palo Alto PAN-OS CVE-2024-0012 and CVE-2024-9474 It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been...
a month ago
8
a month ago
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been tough for SSLVPN appliances. Anyhow, there are new vulnerabilities (well, two of them) that are being exploited in the Palo Alto Networks firewall and SSLVPN offering, and as ever,...
computers are bad
2024-01-21 multi-channel audio part 1 Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of...
11 months ago
81
11 months ago
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of pieces of consumer audio reproduction equipment as "a stereo." As you might imagine, this is a relatively modern phenomenon. While stereo audio in concept dates to the late 19th...
Vitalik Buterin's...
What I would love to see in a wallet
a month ago
Posts on Made of...
The Window Manager I Want Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window...
over a year ago
6
over a year ago
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window managers, going through, over the years, StumpWM, Ion 3, and finally XMonad. They've all had various strengths and weaknesses, but I've never been totally happy with any of them. This...
Notes on software...
A write-ahead log is not a universal part of durability A database does not need a write-ahead log (WAL) to achieve durability. A database can write its...
6 months ago
7
6 months ago
A database does not need a write-ahead log (WAL) to achieve durability. A database can write its long-term data structure durably to disk before returning to a client. Granted, this is a bad idea! And granted, a WAL is critical for durability by design in most databases. But I...
Simply Explained
Building a killer NAS with an old Rackable Server Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts,...
over a year ago
7
over a year ago
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts, taking notes, coding projects, and making videos. I'm storing all these files on Google Drive, which has been very reliable but also a bit risky. What if Google closes my account?...
./techtipsy
Can a laptop from 2012 be a viable home server? I’m a man of many ideas. It’s a shame that most of them are quite stupid. This is one of them, but...
over a year ago
42
over a year ago
I’m a man of many ideas. It’s a shame that most of them are quite stupid. This is one of them, but at least it makes for a fun experiment. Intro After adding an UPS to accompany my server, my setup was as complete as it could reasonably be. The server is low power, but packs...
Willem's Blog
Climbing Mount Etna Climbing Mount Etna, an active volcano on Sicily Italy.
over a year ago
./techtipsy
Tech rants: PC-s use way too much power in 2021 Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with...
over a year ago
50
over a year ago
Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with peak power consumption at 296W GPU-s that consume 350-400W of power under normal use At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Matt Blewitt
Table Stakes This is a short post on what I see are table stakes for any new user-facing service, security-wise....
over a year ago
6
over a year ago
This is a short post on what I see are table stakes for any new user-facing service, security-wise. Mostly focused on user-focused, rather than intra-service, considerations.
Notes on software...
Walking through a basic Racket web service Racket is an impressive language and ecosystem. Compared to Python, Racket (an evolution of Scheme...
over a year ago
4
over a year ago
Racket is an impressive language and ecosystem. Compared to Python, Racket (an evolution of Scheme R5RS is three years younger. It is as concise and expressive as Python but with much more reasonable syntax and semantics. Racket is also faster in many cases due in part to: JIT...
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...
5 months ago
55
5 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...
lcamtuf’s thing
Weekend projects: getting silly with C C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
6 months ago
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
a month ago
35
a month ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Willem's Blog
The value of notifications It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the...
over a year ago
6
over a year ago
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the time to set them up correctly, notifications can actually save you time!
Jonas Hietala
Habits to start I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
7
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
computers are bad
2024-08-19 mining for meteors Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading...
4 months ago
62
4 months ago
Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading Post, a small store a few miles out of Joseph City, would hardly be remembered were it not for its billboards spanning four states. The tradition of far-advance billboards is still...
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
7
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Matt Mullenweg
Observer Article Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
13
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Simply Explained
How I Structure My ESPHome Config Files I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
7
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
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
70
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...
somenice
Russet Lake Early Summer An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was...
3 months ago
41
3 months ago
An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was still a bit of ice on the lake and the mountain tops are covered with snow. The painting is framed in western red cedar. Russet Lake Early Summer by Andrew SmithAcrylic on canvas10...
Christian Selig
My little Apple Vision Pro stand I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s...
10 months ago
81
10 months ago
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s beautiful stands that exist out there, but I was looking for something more compact and vertical so it would take up less room on my desk. So I opened Fusion 360 (which I am still...
Louwrentius
Linux Mac Mini - temperature monitoring with lm-sensors This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using...
over a year ago
6
over a year ago
This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using Debian Lenny, out of the box, lm-sensors is not working. No sensors can be found. This is how temperature monitoring and fan speed monitoring can be made to work: modprobe applesmc If...
Jonas Hietala
Blogging in Djot instead of Markdown What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
11 months ago
5
11 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec? John Macfarlane, Beyond Markdown I recently...
Jonas Hietala
Long Term Goals Update During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing...
over a year ago
6
over a year ago
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing intensity. They were mostly thoughts about not having accomplished anything and that the future looks bleak and meaningless and it’s not worth to do anything. As usual they are...
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
8 months ago
82
8 months ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
Lighthouse Blog
Rules improvement: filter based on content
a month ago
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
5
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...
Home on Erik...
Snakebite Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
7
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf. Spotify's developer blog features a nice blog post outlining what...
Jordan’s Substack
Coming soon This is Jordan’s Substack.
a month ago
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
40
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...
Applied Cartography
Is cool enough? Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL...
9 months ago
4
9 months ago
Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory glances at the hodgepodge of janky URL manipulation code that I wrote for...
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
2 months ago
39
2 months ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Matt Mullenweg
Studio Sync WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz....
2 days ago
13
2 days ago
WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz. Studio is our free and open source app for local WordPress development, enabling you to spin up unlimited WordPress sites on your personal computer. Through its newest feature, Studio...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
78
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
Applied Cartography
Postgres batch enqueuing in ten lines of Django It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count =...
a year ago
5
a year ago
It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count = queryset.count() if count == 0: time.sleep(10) return with transaction.atomic(): batch = list( queryset.select_for_update(of=("self",),...
Abort Retry Fail
The History of the IBM 5100 IBM's First Personal Computer
a year ago
Posts on Made of...
Towards solving Ultimate Tic Tac Toe Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey...
over a year ago
8
over a year ago
Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey into interesting algorithms and high-performance parallel programming in Rust. Backstory Starting around the beginning of the COVID-19 lockdown, I’ve gotten myself deeply nerdsniped...
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
4
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!!
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
5
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...
axio.ms
Axio.ms site refresh This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4...
over a year ago
5
over a year ago
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4 years, I’m still alive”. The original axio.ms site was a very HTML1.0 affair and while this was kind of intentional-tongue-in-cheek-chic, it was also a PITA to update. It wasn’t...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
10 months ago
7
10 months ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
Home on Erik...
NYC Machine Learning meetup From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly....
over a year ago
4
over a year ago
From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Old Vintage...
Scenes from the Solbourne Computer corporate video, March 1992 Solbourne Computer, which for a number of years was probably Sun's most significant early competitor...
a year ago
69
a year ago
Solbourne Computer, which for a number of years was probably Sun's most significant early competitor in SPARC-based systems. Solbourne was the first to market in 1989 with multiprocessing SPARC servers based on their custom circuit-switched 108MB/s KBus interconnect, running a...
Willem's Blog
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
Simply Explained
Preventing Cumulative Layout Shifts with lazy loaded images (Eleventy + markdown-it) There's nothing more annoying than a website shifting down just as you're about to click on a button...
over a year ago
7
over a year ago
There's nothing more annoying than a website shifting down just as you're about to click on a button or link. This is called a layout shift, and Google has declared war on them. They've added layout shifts to the Core Web Vitals, and if your website has a lot of them, it will get...
Vitalik Buterin's...
Crypto Cities
over a year ago
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
6
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...
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
77
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Louwrentius
HP Proliant Microserver Gen10 as router or NAS Introduction In the summer of 2017, HP released the Proliant Microserver Gen10. This machine...
over a year ago
7
over a year ago
Introduction In the summer of 2017, HP released the Proliant Microserver Gen10. This machine replaces the older Gen8 model. For hobbyists, the Microserver always has been an interesting device for a custom home NAS build or as a router. Let's find out if this is still the case....
Posts on Made of...
Disable Transparent Hugepages tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
8
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications...
Willem's Blog
Listen to your body Using health data gathered by sensors and wearables I learned to listen to my body. Now I have...
over a year ago
7
over a year ago
Using health data gathered by sensors and wearables I learned to listen to my body. Now I have stopped using bluetooth sensors all together.
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
9 months ago
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
Notes on software...
Controlled HTML select element in React has weird default UX This is an external post of mine. Click here if you are not redirected.
over a year ago
Computer Ads from...
Small Systems Engineering's PETSPEED Fast Enough for the Human Race
6 months ago
Simply Explained
Impact of Adblockers on Google Analytics (vs. Plausible) Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have...
over a year ago
4
over a year ago
Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have one installed. Not only do they block advertisements, but also analytics scripts (like Google Analytics, Matomo, etc.)So that begs the question: what is the impact of these...
Birchtree
Matt is a Mean Guy (hey!) Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created...
4 weeks ago
11
4 weeks ago
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created a sticky note-based task manager, and everyone gives the iPad some much needed love. Or watch it on YouTube. Weekly Topics Raycast CleanShot X Final Cut Pro Google...
Louwrentius
Things you should consider when building a ZFS NAS ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many...
over a year ago
4
over a year ago
ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many features of ZFS also appeal to home NAS builders and with good reason. But not all features are relevant or necessary for home use. I believe that most home users building their...
Neil Madden
A few clarifications about CVE-2022-21449 Just a few quick notes/updates to correct some potentially inaccurate statements that are floating...
over a year ago
6
over a year ago
Just a few quick notes/updates to correct some potentially inaccurate statements that are floating around on Reddit/Twitter etc: The bug only impacts Java 15 and above. The original advisory from Oracle incorrectly listed earlier versions (like 7, 8 and 11) as being impacted....
seangoedecke.com RSS...
What makes strong engineers strong? As I’ve written about before, what defines a strong engineer is the ability to do tasks that weaker...
yesterday
9
yesterday
As I’ve written about before, what defines a strong engineer is the ability to do tasks that weaker engineers can’t, even with near…
Neil Madden
Multiple input MACs When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
7
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Yazin Alirhayim
Tracking where a WhatsApp user came from At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
7
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”. A problem we faced really early on when connecting to WhatsApp was that...
Notes on software...
The year in books: 11 to recommend in 2021 Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction....
over a year ago
6
over a year ago
Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction. Another 30 started but not finished. Non-fiction It seems I was pretty focused on business history books and history of tech. The 8 non-fiction books I liked the most: Designing...
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Louwrentius
How to determine which process causes IO ? There is a nifty little program called 'iotop'. Iotop is part of Debian or Ubuntu and can be...
over a year ago
8
over a year ago
There is a nifty little program called 'iotop'. Iotop is part of Debian or Ubuntu and can be installed with a simple apt-get. Once you have determined with 'top' that the system is waiting on IO-access, It is nice to know which process is responsibe for this IO. Therefore, you...
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP...
over a year ago
4
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP connection. UPDATE July 2011 Due to hardware problems, I was not able to achieve transfer speeds beyond 150 MB/s. By replacing a network card with one from another vendor (HP...
Home on Erik...
Presentation about Luigi I like the editing!
over a year ago
Simply Explained
I Built a CO2 Sensor and It Terrifies Me Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is...
over a year ago
7
over a year ago
Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is equally important for our health and even our cognitive performance.In this blog post we'll look at a DIY CO2 sensor: how it runs ESPHome, how it integrates with Home Assistant, how it...
Posts on Made of...
Iron Blogger: Blogging for Beer So, you may have noticed that I suddenly started updating this blog for the first time in a while....
over a year ago
6
over a year ago
So, you may have noticed that I suddenly started updating this blog for the first time in a while. The reason is that I’ve recently started an ongoing event with a whole bunch of friends around here to encourage us to blog more. Like so many good ideas, it all started with a...
Computer Ads from...
ViaGrafix Computer Training Videos Learn...by Simply Watching TV
2 months ago
Arduino Blog
Why is STEAM education important for kids? 6 activity tips School’s out for summer – at least for most of us. While the majority of children (and teachers!)...
6 months ago
58
6 months ago
School’s out for summer – at least for most of us. While the majority of children (and teachers!) will probably be breathing a huge sigh of relief, parents face a new challenge: how to keep kids engaged during the long break. Of course, downtime is important, but there are also...
OH8HUB’s Substack
A quick visit to Vaajasalo island Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred....
a year ago
68
a year ago
Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred. There’s also a winery called Alahovi Berry Wine Farm. They produce berry wines, cider, beer and liqueur. The temptation to visit them was huge, but I was on tight schedule. Maybe...
Jonas Hietala
My book 'Why Cryptocurrencies?' is done My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later...
over a year ago
8
over a year ago
My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later and 1006 more commits I’m finally done! Well, I’m done with the online version at least. I still plan to create an e-book, a PDF and a paperback and who knows how long that will...
Opsbros
Saibah Securitah It's always okay to buy the domain for the meme!
over a year ago
Jonas Hietala
Stereotypes I read a great essay or article about stereotypical programmers called The Little Printf. I really...
over a year ago
6
over a year ago
I read a great essay or article about stereotypical programmers called The Little Printf. I really couldn’t do it justice so do yourself a favor and go read it. It touches on several types of programmers or rather traits of programmers I recognize in my surroundings and also...
Home on Erik...
3D Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the...
over a year ago
6
over a year ago
Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the iframe but check out the link). It's based on a LDA model with 200 topics, so the artists tend to stick to clusters where each cluster is a topic.
Matt Blewitt
Riding the Risk Railway When building and operating a user-facing system, especially one that is open to the public, it is...
over a year ago
4
over a year ago
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Notes on software...
Extending gosql to supporting LIMIT and OFFSET It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface...
over a year ago
7
over a year ago
It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface for data stored in S3. But one missing critical feature in gosql is LIMIT and OFFSET support. This post walks through the few key changes to gosql to support LIMIT and OFFSET. You...
Computer Ads from...
Page 6 Magazine Interviews the Godfather of Adventure Games, Scott Adams Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
5 months ago
Notes on software...
How to get better at recursion tldr; reimplement standard library functions in your favorite language without loops. Background For...
over a year ago
5
over a year ago
tldr; reimplement standard library functions in your favorite language without loops. Background For a few years after college I spent a lot of free time doing projects in Standard ML and Scheme. As a result I got really comfortable doing recursion. The two big reasons for this...
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
4
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”.
computers are bad
2023-10-22 cooler screens Audible even over the squeal of an HVAC blower with a suffering belt, the whine of small, high...
a year ago
74
a year ago
Audible even over the squeal of an HVAC blower with a suffering belt, the whine of small, high velocity fans pervades the grocery side of this Walgreens. Were they always this loud? I'm not sure; some of the fans sound distinctly unhealthy. Still, it's a familiar kind of noise to...
Jonas Hietala
Autumn 2016 Goals Retrospective Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few...
over a year ago
6
over a year ago
Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few things and I failed others. Exercise and Health Eat more strict LCHF for 1 month ok Train BJJ or MMA for 1 month ok 2 months of lifting at the gym ok Powerlifting 100 kg deadlift 5x5...
Good Enough
Season 1, Issue 1: The Loneliest Number 1. Confirmed Positive After two years of running from reality, it has finally happened for my...
over a year ago
4
over a year ago
1. Confirmed Positive After two years of running from reality, it has finally happened for my family. I have tested positive for SARS Coronavirus-2, the virus that causes COVID-19. For this honor, I would like to thank our society’s collective tiring of virus mitigation. It truly...
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
6 months ago
Louwrentius
My solar-powered blog is now on Lithium Iron Phosphate In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi -...
a year ago
7
a year ago
In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi - escalated into a full-blown off-grid solar setup, large enough to power the computer I use at the moment to write this update1. In this update, I want to discuss my battery...
Applied Cartography
Finding null JSON values in Postgres Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the...
8 months ago
7
8 months ago
Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the Django ORM into SQL to do weird things, the syntax strikes me as confusing and arcane. As such, when I need to do esoteric things it takes me longer time than I'd like, and in hopes...
Avestura's Blog
Oversimplified ideas of the great philosophers of all times Ideas of the great philosophers of all times explained in a few lines
a year ago
Jonas Hietala
October theme says: Numbers New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
4
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
49
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Jonas Hietala
The T-34/1 keyboard layout This is the revision of the T-34 keyboard layout that I use as my primary driver. I’ve used this...
over a year ago
5
over a year ago
This is the revision of the T-34 keyboard layout that I use as my primary driver. I’ve used this particular version without any major changes for almost 3 months, so I’d say it’s a good improvement over the last revision. There are two large changes from T-34/0: swapping o and...
Good Enough
Having Trouble Getting Started? Pair Up! A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on...
a year ago
7
a year ago
A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton I often find that just getting started is the hardest part of doing something. This is especially true when the project is large or...
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
6
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
GitButler
GitButler is now Fair Source GitButler is now officially one of the first members of the Fair Source movement, helping to shift...
5 months ago
2
5 months ago
GitButler is now officially one of the first members of the Fair Source movement, helping to shift closed source to publicly available software by default.
Home on Erik...
What I have been working on: Modal Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
4
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
lcamtuf’s thing
Weekend projects: Sketchy Sketch Making a nicer version of a forgotten, electronic Etch-A-Sketch toy.
4 days ago
./techtipsy
Overcoming hardware limitations: the time-to-sleep script As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in...
over a year ago
40
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in 2012. It’s not the fastest laptop out there, but it is plenty fast for a number of tasks, even most software development work. I also try to keep my machines up to date and properly...
Arduino Blog
Magnus is an electromagnetic exoskeleton for your hands One of the primary goals of wearable technology is to provide the user with capabilities and data...
5 months ago
39
5 months ago
One of the primary goals of wearable technology is to provide the user with capabilities and data that exceed their current abilities. And for motion, this has traditionally existed in the form of electrical muscle stimulation (EMS), where current is applied via electrodes to...
Home on Erik...
Music recommendations using cover images (part 1) Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in...
over a year ago
2
over a year ago
Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in fact a fairly strong visual proxy for what kind of content you can expect from it. I started wondering if the album cover can in fact be used for recommendations.
Ken Shirriff's blog
Reverse engineering standard cell logic in the Intel 386 processor The 386 processor (1985) was Intel's most complex processor at the time, with 285,000...
11 months ago
7
11 months ago
The 386 processor (1985) was Intel's most complex processor at the time, with 285,000 transistors. Intel had scheduled 50 person-years to design the processor, but it was falling behind schedule. The design team decided to automate chunks of the layout, developing "automatic...
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
7
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...
Louwrentius
The impact of the MDADM bitmap on RAID performance Introduction I'm aware that most people with intensive storage workloads won't run those workloads...
over a year ago
6
over a year ago
Introduction I'm aware that most people with intensive storage workloads won't run those workloads on hard drives anymore, that ship has sailed a long time ago. SSDs have taken their place (or 'the cloud'). For those few left who do use hard drives in Linux software RAID setups...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
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
37
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...
Buck on Software
Thoughts on SaaS and other things Welcome to Buck on Software!
over a year ago
./techtipsy
Archive
over a year ago
Vitalik Buterin's...
Christmas Special
over a year ago
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the...
11 months ago
83
11 months ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the whole experience. I’ve split this post into three separate sections. overall notes on the conference and the city less technical, but sheds light on the FOSDEM experience the...
Arduino Blog
Export data from Arduino Cloud to AWS S3 Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time...
2 days ago
10
2 days ago
Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time series data straight to AWS S3. With this seamless connection, organizing and analyzing your data is a breeze. In case you don’t know, Arduino Cloud is a robust, integrated platform...
Posts on Made of...
Computers can be understood Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially...
over a year ago
6
over a year ago
Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially all of my work with software. I attempt to articulate this mindset, some of its implications and strengths, and some of the ways in which it’s lead me astray. Software can be...
Arduino Blog
This giant animatronic LEGO minifig zombie is a delight  LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough...
5 months ago
63
5 months ago
LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough constraint to force people to consider their art and design choices. That’s exactly the kind of pressure that Wicked Makers’ Jaimie and Jay thrive under, leading them to build this...
Applied Cartography
The taste of beer Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity. There’s a...
7 months ago
4
7 months ago
Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity. There’s a relatively famous line from Bezos, circulated first at YC in ’08 and then more recently by the folks at Acquired (a great pod!): Jeff uses this analogy for AWS. He talks about...
Old Vintage...
So long, Z80 You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
87
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform Alvik is cute, it’s smart, it’s fun… so what can it actually do?  To answer this question, we...
3 weeks ago
22
3 weeks ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do?  To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
Louwrentius
ZFS: resilver performance of various RAID schemas When building your own DIY home NAS, it is important that you simulate and test drive failures...
over a year ago
4
over a year ago
When building your own DIY home NAS, it is important that you simulate and test drive failures before you put your important data on it. It makes sense to know what to do in case a drive needs to be replaced. I also recommend putting a substantial amount of data on your NAS and...
Good Enough
Season 3, Issue 1: Whale, Hello There! Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work,...
a year ago
6
a year ago
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work, and there’s only so much time we have, and there was the winter break and Shawn kept getting sick—we have many excuses, how much time do you have? Gosh, since July of last year?...
Good Enough
TIL: Deploying a Sinatra app to Render.com This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me,...
a year ago
6
a year ago
This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me, so I figured I’d write down what worked in the end. First, a Gemfile: # Gemfile source 'https://rubygems.org' gem 'sinatra' gem 'sinatra-contrib' gem 'puma' * I’m pretty sure...
Lighthouse Blog
Updates March 08
10 months ago
Willem's Blog
Refining my tablet OS experience Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
over a year ago
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
4 months ago
computers are bad
2023-07-15 underwater ears everywhere Programming note: the subscribe link was broken for a while because I am bad at computers (yet...
a year ago
52
a year ago
Programming note: the subscribe link was broken for a while because I am bad at computers (yet another case of "forgot to enable the systemd unit"). It's fixed now. The unsubscribe link was also broken and is now fixed but, you know, maybe that was a feature. Did wonders for...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one...
over a year ago
40
over a year ago
After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one interesting thing. At least it was interesting to me. Background I had one goal: to try to see if I could turn it into a semi-passive PC by only turning the fan on when the PC was...
Bryan Braun - Blog
Why we prefer computers over consoles when introducing kids to gaming I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing...
10 months ago
4
10 months ago
I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing games with my brothers on those devices. But as my own kids have gotten older, my wife and I have decided to first introduce them to gaming with computers, instead of consoles. The...
On Life and Lisp
OpenGL 3.1 on Asahi Linux Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
9
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
Louwrentius
Google DNS - what to think of it? Google now provide an open DNS service. At first I was scared that they use their service to get...
over a year ago
5
over a year ago
Google now provide an open DNS service. At first I was scared that they use their service to get information about users. However, their privacy statement tells us that no personal identifiable information is stored for longer than 48 hours. The permanent logs do not contain such...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
4
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor. Purpose The...
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...
Willem's Blog
Making my own tablet OS I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to...
over a year ago
6
over a year ago
I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to find out how to do this!
Notes on software...
Effective unemployment and social media Being unemployed can be incredibly depressing. So much rejection. Everything seems to be out of your...
2 months ago
9
2 months ago
Being unemployed can be incredibly depressing. So much rejection. Everything seems to be out of your control. Everything except for one thing: what you produce. You might know that repeatedly posting on social media that you are looking for work is ineffective. That it looks (or...
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post If you are a paid subscriber, voting is open for one week
10 months ago
Posts on Made of...
Some thoughts on Quora With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation,...
over a year ago
7
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...
Lighthouse Blog
How to manage content subscriptions
7 months ago
lcamtuf’s thing
RAM: the forgotten history We owe computers not to Charles Babbage, but to the invention of electronically-controlled working...
2 months ago
8
2 months ago
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
2 months ago
11
2 months ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers. Intel, on the other hand, seems to be taking things in a much different, much...
Birchtree
Comfort Zone: OLED Dreams and Studio Display Realities Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I...
10 hours ago
7
10 hours ago
Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I defend a new purchase…oh, and we have some fun with desks that sadly ends in Vision Pro slander. Why does this keep happening?! Watch on YouTube
Birchtree
I'm just gonna be your YouTube algorithm now It turns out I like sharing the cool YouTube videos I see when there aren't any schedules or rules...
6 days ago
10
6 days ago
It turns out I like sharing the cool YouTube videos I see when there aren't any schedules or rules about how often I share them, so here's another collection I enjoyed recently. An oldie but a goodie, I really loved what Scotty was doing back in
Computer Ads from...
Mark Williams' C Programming System What C did for Programming Mark Williams has done for C Programming
4 months 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
60
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...
Louwrentius
Some pretty NAS case designs If you are planning on building your own NAS box, I have some suggestions regarding the case. In my...
over a year ago
2
over a year ago
If you are planning on building your own NAS box, I have some suggestions regarding the case. In my opinion, most computer case designers have absolutely no taste. Antec and Lian Li do create nice cases, but not that spectacular. And Lian Li is just very expensive. A fairly new...
Notes on software...
Favorite compiler and interpreter resources This is an external post of mine. Click here if you are not redirected.
over a year ago
computers are bad
2024-11-09 iron mountain atomic storage I have quipped before about "underground datacenters," and how they never succeed. During the late...
2 months ago
38
2 months ago
I have quipped before about "underground datacenters," and how they never succeed. During the late decades of the Cold War and even into the '00s, the military and (to a lesser extent) the telecommunications industry parted ways with a great number of underground facilities....
Computer Ads from...
Comics from 1982/08 Commodore Computing International Mag Time for some humor
6 months ago
Simply Explained
Multitasking on ESP32 with Arduino and FreeRTOS By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small,...
over a year ago
4
over a year ago
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small, powerful, have a ton of onboard features, and they're relatively easy to program.However, when using it together with Arduino, all your code runs on a single core. That seems a bit...
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
4 months ago
somenice
Matter as a Smart home standard Matter is the name of the smart home standard that promises to bridge IOT devices and different home...
9 months ago
36
9 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
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
7
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...
Jonas Hietala
Let's build a VORON: Toolhead Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt...
a year ago
13
a year ago
Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt are installed Tap is installed The toolhead with Stealthburner + Clockwork 2 is also installed Purple means Pretty. I’ve run into a few problems on the way that I’ll try to...
./techtipsy
So you want to migrate to Kubernetes: observations from a software developer Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1 Common...
3 months ago
53
3 months ago
Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1 Common justifications include better scalability, cost savings, standardization and being super modern and stuff. It’s the future! In my personal experience, Kubernetes is far from the...
Lighthouse Blog
Overview of content
7 months ago
Computer Ads from...
Sundial Systems' Relish The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
3 months ago
Louwrentius
Understanding the Ubuntu 20.04 LTS Server Autoinstaller Introduction Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation...
over a year ago
6
over a year ago
Introduction Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation process. This includes support for 'preseeding' to create unattended (automated) installations of ubuntu. the debian installer With the introduction of Ubuntu Server 20.04 'Focal...
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
4
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
5
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
./techtipsy
I held a talk about my self-hosting adventure! There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
a year ago
63
a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about that in the future). The talk took place on May 25th 2023 at...
Birchtree
A lot changed for LLMs in 2024 I thought this was a fascinating post by Simon Willison: Things We Learned About LLMs in 2024 This...
3 days ago
13
3 days ago
I thought this was a fascinating post by Simon Willison: Things We Learned About LLMs in 2024 This increase in efficiency and reduction in price is my single favourite trend from 2024. I want the utility of LLMs at a fraction of the energy cost and it looks like that&
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
a month ago
Louwrentius
Release of PPSS - the Parallel Processing Shell Script PPSS is a shell script that processess files or other items in parallel. It is designed to make use...
over a year ago
7
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is designed to make use of the current multi-core CPUs. It will detect the number of available CPUs and start a thread for each CPU core.  This script is build with the goal to be very easy to use. Also,...
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Willem's Blog
The Same, Differently
a year ago
Home on Erik...
Why organizations fail One of my favorite business hobbies is to reduce some nasty decision down to its absolute core...
over a year ago
4
over a year ago
One of my favorite business hobbies is to reduce some nasty decision down to its absolute core objective, decide the most basic strategy, and then add more and more modifications as you have to confront the complexity of reality (yes I have very lame hobbies thanks I know).
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Louwrentius
Linux on Mac Mini - boot after power failure When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a...
over a year ago
6
over a year ago
When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a power failure has occurred. User chirhoxi on the ubuntu forum found out how this can be achieved: http://ubuntuforums.org/showthread.php?t=1209576 Basically you need one of these...
Louwrentius
Cannot access Windows guest within VMware Fusion when running vsphere client Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
6
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host. The trouble is that both ESXi...
computers are bad
2023-07-10 the tragedy of beatrice foods Occasionally, research into the history of telephony takes you into some strange places. There are...
a year ago
71
a year ago
Occasionally, research into the history of telephony takes you into some strange places. There are conspiracy theories, of course, and there are people who insist on their version of events so incessantly that details of dates and places can become heated arguments. There is also...
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Notes on software...
Deploying FreeBSD on Linode unattended in minutes I became a FreeBSD user over 2 years ago when I wanted to see what all the fuss was about. I swapped...
over a year ago
7
over a year ago
I became a FreeBSD user over 2 years ago when I wanted to see what all the fuss was about. I swapped my y410p dual-booting Windows / Ubuntu with FreeBSD running Gnome 3. I learned a lot during the transition and came to appreciate FreeBSD as a user. I soon began running...
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos? A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
Lighthouse Blog
Updates May 3
8 months ago
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
Engineers Need Art
Move Fast and Abandon Things For every shareware game I released in the 1990's, another four were partially written but put aside...
3 months ago
44
3 months ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 months ago
36
2 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Arduino Blog
Using Arduino UNO to sync a visual neuroscience lab Common research methods to study the visual system in the laboratory include recording and...
2 months ago
21
2 months ago
Common research methods to study the visual system in the laboratory include recording and monitoring neural activity in the presence of sensory stimuli, to help scientists study how neurons encode and respond, for example, to specific visual inputs.  One of the biggest technical...
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
6
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.
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
6
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...
Lighthouse Blog
Updates June 14
7 months ago
./techtipsy
How to make digital copies of your old video tapes Introduction This is a short overview of one way to take your old video tapes and make digital...
over a year ago
35
over a year ago
Introduction This is a short overview of one way to take your old video tapes and make digital copies of their contents. To get started, you will need the following: old video tapes that you want to make copies of (VHS and its variants) a device that can read analog AV signals...
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
7
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...
Push to Prod
How Would You Design Amazon S3? One of my favorite system design questions from a few years ago and a fascinating thing I learned...
3 months ago
10
3 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
Arduino Blog
This device prevents garage door security breaches Your automatic garage door is almost certainly the most vulnerable access point in your house....
2 months ago
41
2 months ago
Your automatic garage door is almost certainly the most vulnerable access point in your house. Traditional systems are notorious for their susceptibility to replay attacks, but even more sophisticated modern garage door openers and those that lack remote functionality entirely...