Home on Erik...
Welcome Echo Nest!
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been...
over a year ago
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been obsessed with understanding music for the past 8 years since it was founded by Brian Whitman and Tristan Jehan out of MIT Medialab.
Abort Retry Fail
The History of Windows 3
Windows becomes competitive
a year ago
Windows becomes competitive
Christian Selig
Announcing Juno 2.0
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
5 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it.
Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
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
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...
./techtipsy
Things I've learned during my self-hosting adventure
This is a list of lessons that I’ve learned while playing around with my computer setup during the...
over a year ago
This is a list of lessons that I’ve learned while playing around with my computer setup during the last 6-7 years or so.
USB connected storage is a bad idea when you are using BTRFS.
USB connected storage is still a bad idea when you are using ZFS, but it is at least much more...
Good Enough
Grassroots
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff!
As we’ve been...
Good Enough
Cool Songs Don’t Die
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing...
a year ago
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing 22 years ago and ran for 5 seasons and was a pretty big hit and launched the careers of two bonafide movie stars and featured a cast of very well known supporting actors. So yeah,...
Matt Blewitt
Control Loops and Rice Cookers
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my...
over a year ago
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my regular diet, and it completely removes the stress of preparing rice. They also operate on a simple principle that can help us operate cloud infrastructure – the control loop.
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed.
So I googled around and found this post...
Matt Blewitt
Service Objects in Rails
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects,...
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects, in the context of Rails.
Good Enough
How We Built Unique Social Preview Images for Pika
One of the goals of Pika,
the happy blogging software that we recently launched,
is to help you find...
10 months ago
One of the goals of Pika,
the happy blogging software that we recently launched,
is to help you find your own place on the internet.
Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home,
which you've likely taken...
Home on Erik...
statself.com
Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Arduino Blog
Axiom is Arduino’s newest Gold Integration Partner!
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the...
6 months ago
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the United States, has recently joined our System Integrators Partnership Program. As Gold-level partners, Axiom will supercharge their mission – to empower manufacturers to rapidly...
computers are bad
2023-06-07 something up there - nasa and uaps
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I am
not addressing the recent claims by David Grusch. This is for a couple of
reasons. First, I am skeptical of Grusch. He is not the first seemingly
well-positioned former...
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
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...
Notes on software...
On NYC, Tokyo and Seoul
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a...
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a rural community a few hours west of
there. My wife is South Korean and last week concluded my second trip
to the suburbs of Seoul to visit her family. We finished up that trip
with a...
Louwrentius
Which file system for a large storage array under Linux?
There are many file systems available under Linux, however only a few of them
can be used for a...
over a year ago
There are many file systems available under Linux, however only a few of them
can be used for a large storage array.
I am assuming that you want to create a single file system. I don't care if
you use LVM or other layers beneath, this is about which file system to use.
I will...
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806)
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!-...
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl)
13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Birchtree
The future simply has more computers (members post)
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
Good Enough
PEOs are Good Enough (for us)
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about!
If...
Willem's Blog
Using AI to generate code
Discover how AI-generated code can revolutionise your software development process and optimise...
a year ago
Discover how AI-generated code can revolutionise your software development process and optimise cloud performance in our fascinating exploration of GPT-4's transformative capabilities.
Posts on Made of...
Getting carried away with hack value
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of...
over a year ago
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of BarnOwl into perl code, instead of C (BarnOwl is written in an unholy mix of C and perl code that call each other back and forth obsessively).
Moving code into perl has many...
Jonas Hietala
Entering Pintos
First week of school is over and it’s been full throttle from the start, in a good way. We’re having...
over a year ago
First week of school is over and it’s been full throttle from the start, in a good way. We’re having four courses and for once I like them all. We have an interesting math course, a useful course “Software Development in Theory” (boring but useful) and a big project course where...
Engineers Need Art
SystemSix
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an...
over a year ago
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an e-ink display.
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother
Web 3.0 was not about the blockchain, thank god
4 months ago
Web 3.0 was not about the blockchain, thank god
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...
9 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...
Jonas Hietala
Language spec in code blocks
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it.
It was to display the highlighted language in code blocks:
The code spec displays what programming language the code...
Willem's Blog
Designing a multi dimensional capacity queue
Dealing with a capacity queue is challenging, but if you take the time to model it right it is...
over a year ago
Dealing with a capacity queue is challenging, but if you take the time to model it right it is possible to create a performant and reliable system.
Posts on Made of...
Regular Expression Search with Suffix Arrays
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had...
over a year ago
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had worked, using a trigram index.
By that point, I’d already implemented early versions of my own livegrep source-code search engine, using a different indexing approach that I...
Bryan Braun - Blog
Links #11
Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
2 weeks ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy!
Selfishness & Therapy Culture
Earlier this year, there was a post in the New York Times called “Sometimes,...
Willem's Blog
Cleaning a vintage watch
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old...
over a year ago
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old beauty underneath layers of dirt!
Neil Madden
Entity authentication with a KEM
In cryptography, the process of authenticating a user (or app/service) is known as entity...
a year ago
In cryptography, the process of authenticating a user (or app/service) is known as entity authentication or identification (to distinguish it from message authentication or data origin authentication). There are lots of ways to do this. In this post I’m going to talk about...
Jonas Hietala
Ores
Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added...
over a year ago
Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added some ores which makes the game look a bit less boring. I realize I’ve spent all my time on these little things and I still don’t have a game! But it doesn’t matter, maybe I can...
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
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,...
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
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...
Willem's Blog
Wearing two watches
Why you should wear two watches, don't choose between a mechanical watch and a smartwatch!
over a year ago
Why you should wear two watches, don't choose between a mechanical watch and a smartwatch!
Odds and Ends of...
Book now! Where we're going, we need roads (and trains)
My next in-person event/meet-up, with transport policy expert Michael Dnes!
3 weeks ago
My next in-person event/meet-up, with transport policy expert Michael Dnes!
Abort Retry Fail
The History of Red Hat
The Billion Dollar Open Source Company
a year ago
The Billion Dollar Open Source Company
Jonas Hietala
Netrunner Summer Tournament Linköping
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs...
over a year ago
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs with Old Hollywood and The Universe of Tomorrow so a lot of new things were tried. I heard a rumor that a full playset of both Aesop’s Pawnshop and Wyldside were available so I...
Matt Mullenweg
My Freedom of Speech
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
Home on Erik...
NoDoc
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about...
over a year ago
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about abolishing documentation. Or NoDoc, as I'm going to call this movement. This was meant to be mostly a thought experiment, but I don't see it as complete madness.
Abort Retry Fail
The History of Microsoft Encarta
Searchable Human Knowledge
a year ago
Searchable Human Knowledge
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers
At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
5 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
lcamtuf’s thing
Analog filters, part 2: let it ring
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key topology.
Louwrentius
An affordable server platform based on server-grade hardware
Updated post (June 2014) found HERE
There are some reasons why you should consider buying true...
over a year ago
Updated post (June 2014) found HERE
There are some reasons why you should consider buying true server-grade harware when building a server, wether it's for home or business use.
This is why I want to introduce you to the Supermicro X9SCM-F motherboard.
This motherboard costs...
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring'
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like...
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special
than those. Because iftop lets you monitor the speed of individual TCP / UDP
connections. Basically, you will be able to determine...
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Louwrentius
Experiences running ZFS on Ubuntu Linux 12.04
I really like ZFS because with current data sets, I do believe that data corruption may start...
over a year ago
I really like ZFS because with current data sets, I do believe that data corruption may start becoming an issue. The thing is that the license under which ZFS is released does not permit it to be used in the Linux kernel. That's quite unfortunate, but there is hope. There is a...
Construction Physics
What Learning by Doing Looks Like
The evolution of polycrystalline diamond drill bits
a week ago
The evolution of polycrystalline diamond drill bits
Neil Madden
The square roots of all evil
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
2 weeks ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
Yazin Alirhayim
The Trouble With Optionality
Optionality’s one of those things you don’t really think about. People don’t generally wake up one...
over a year ago
Optionality’s one of those things you don’t really think about. People don’t generally wake up one morning thinking “Why, it appears I’ve spent the past several decades of my life optimizing for optionality. Perhaps I should figure out why?”.
Most don’t even recognize the term –...
Buck on Software
The Wrong Bet
The next decade in SaaS won't look like the last
over a year ago
The next decade in SaaS won't look like the last
Opsbros
Debug Header
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
Jonas Hietala
The ASIC pit of despair
Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s...
over a year ago
Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s hashrate were ASICs.
Recurring hard forks to brick ASICs is a very dangerous game and what better to illustrate this than with an xkcd-style plot?
You’re safe on the edges but how do...
Willem's Blog
Monolithic vs Microservices software architecture
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn...
over a year ago
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn about choosing the right architecture for your app development
Jonas Hietala
Printing Hextraction for my kids
A session of Hextraction, a 3D printed board game.
I did it.
I made something actually useful with...
10 months ago
A session of Hextraction, a 3D printed board game.
I did it.
I made something actually useful with my 3D printer instead of just tinkering with it.
I printed Hextraction, a very cool 3D printed board game for my kids—and they love it.
Hextraction is a gamified marble run, where...
Good Enough
Cool URLs Don’t Die
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers.
This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
Gwern.net Newsletter
November newsletter
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
Posts on Made of...
Git in pictures
In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Posts on Made of...
Using Haskell's 'newtype' in C
A common problem in software engineering is avoiding confusion and errors when dealing with multiple...
over a year ago
A common problem in software engineering is avoiding confusion and errors when dealing with multiple types of data that share the same representation. Classic examples include differentiating between measurements stored in different units, distinguishing between a string of HTML...
Applied Cartography
My approach to GTD and PKM
One pernicious thing with writing about productivity and knowledge systems: you only change systems...
2 months ago
One pernicious thing with writing about productivity and knowledge systems: you only change systems that aren’t working, and you tend to write about things during times of change. So most writing about productivity systems stem from people whose systems have failed them.
It is...
Home on Erik...
Ratio metrics
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little...
over a year ago
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little bit of an art form. Ideally you want to define success metrics before you run a test to avoid cherry picking metrics.
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Home on Erik...
The hardest challenge about becoming a manager
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff!
I...
over a year ago
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff!
I became a manager back in 2009. Being a developer is fun. You have this very tangible way to measure yourself.
Home on Erik...
Iterate or die
Here's a conclusion I've made building consumer products for many years: the speed at which a...
over a year ago
Here's a conclusion I've made building consumer products for many years: the speed at which a company innovates is limited by its iteration speed.
I don't even mean throughput here. I just mean the cycle time.
Louwrentius
Understanding Windows KMS and MAK volume license activation
Introduction
If you have to administer a large number of PCs running Windows, you will end up...
over a year ago
Introduction
If you have to administer a large number of PCs running Windows, you will end up creating an automated deployment platform for your Windows clients. You may implement something like Windows Deployment Services.
I used WDS to create a fully automated installation of...
Vitalik Buterin's...
Don't overload Ethereum's consensus
a year ago
Lighthouse Blog
Updates December 08: YouTube support
a year ago
Jonas Hietala
The End of the Tunnel
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from...
over a year ago
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from the last time.
One course about data structure and algorithms (super fun to be honest) has wrapped up. We thought we were ahead with the assignments but in the end it got very...
Vitalik Buterin's...
Against choosing your political allegiances based on who is "pro-crypto"
5 months ago
Louwrentius
Cheap solution for putting an SSD in an iMac
If you want to order a new iMac with an SSD there are two problems:
An SSD of 256 gigabytes will...
over a year ago
If you want to order a new iMac with an SSD there are two problems:
An SSD of 256 gigabytes will cost you a lot: 600 euros.
The SSD is of medium quality, and does not justify the cost of 600 euros.
Here you can find information about the Toshiba SSD that Apple provides.
You can...
Arduino Blog
How makers can use AR and VR
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in...
6 months ago
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in popularity, with the combined market expected to reach $77 billion by 2025, from just $15.3 billion in 2020. For makers, AR and VR represent exciting opportunities to build new...
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
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...
Louwrentius
Shunit2, unit testing for shell scripts
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts...
over a year ago
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts instead of using a proper scripting language such as
Python or Ruby. No I am deliberately not mentioning Perl here.
Anyway, testing is always an issue. With PPSS, I encountered many...
Birchtree
Somehow, more YouTube gems
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them...
2 days ago
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them 😊
I love Answer in Progress, especially Sabrina’s videos, and she gets about as obsessed with anything she’s ever looked at in this episode (and
Arduino Blog
This DIY smart chicken coop features AI-based predator detection
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get...
a month ago
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get rid of pests in the yard. But, like all animals, they require care. Most importantly, you’ll need to ensure that they have regular food and water, and you’ll need to protect them...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
Style over Substance
Peak Design quick-connect Leash and Cuff straps
My camera collection has been growing steadily over the years, but it’s been expanding even faster...
over a year ago
My camera collection has been growing steadily over the years, but it’s been expanding even faster during the COVID-19 lockdowns. Online shopping therapy keeps me sane while I’m cooped up at home, and with easy access to eBay and other auction sites my GAS – photographers...
Willem's Blog
Replacing a Shimano shift cable
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
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
Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
Abort Retry Fail
The History of Commodore, Part 4
The Amiga, The Decline, The Fall
a year ago
The Amiga, The Decline, The Fall
Home on Erik...
Deep learning for… Go
This is the last post about deep learning for chess/go/whatever. But this really cool paper by...
over a year ago
This is the last post about deep learning for chess/go/whatever. But this really cool paper by Christopher Clark and Amos Storkey was forwarded to me by Michael Eickenberg. It's about using convolutional neural networks to play Go.
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
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...
Matt Mullenweg
Bezos at Dealbook
It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew...
2 weeks ago
It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew Ross Sorkin, but this one with Jeff Bezos was particularly good.
Abort Retry Fail
The History of Windows NT 4
Taking the Server Market
a year ago
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
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...
Home on Erik...
Modeling conversion rates using Weibull and gamma distributions
This is a blog post originally featured on the Better engineering blog. If you want to link to this...
over a year ago
This is a blog post originally featured on the Better engineering blog. If you want to link to this article or share it, please go to the original post URL! Separately, I'm sorry it's been so long with no posts on this blog.
Vitalik Buterin's...
Updating my blog: a quick GPT chatbot coding experiment
over a year ago
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
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...
Notes on software...
RFCs and asynchronous-first culture
I hated writing documentation before working on features. But after a
while I realized I couldn't...
over a year ago
I hated writing documentation before working on features. But after a
while I realized I couldn't communicate well enough, even with folks I
had a good connection with. It took me a number of mistaken deliveries
to get the message.
Sketches and mockups
Designers solve this by...
lcamtuf’s thing
The secret lives of snowblowers
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than...
4 months ago
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than it seems.
Good Enough
My Tears of the Kingdom Addiction
I don’t know how big my internet social bubble really is, but it feels like everyone in the world...
a year ago
I don’t know how big my internet social bubble really is, but it feels like everyone in the world that bubble has been playing a lot of The Legend of Zelda: Tears of the Kingdom lately. Me included! It’s amazing, and I’m thoroughly engrossed—I think I’ve stayed up playing until...
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
Two interview from two different time periods
Arduino Blog
Arduino Cloud is now natively supported on tablets
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version...
7 months ago
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version (available for both Android and iOS platforms) optimized for unlocking the full potential of larger screen sizes. What is the Arduino IoT Remote app? The Arduino IoT Remote app allows...
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50%
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Willem's Blog
Fighting backscatter spam at server level
Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
over a year ago
Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
Computer Ads from...
American Heart Association
A PSA and an Ad
a month ago
Posts on Made of...
Fun with the preprocessor: CONFIG_IA32_EMULATION hacks in Linux
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that...
over a year ago
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that could crash essentially any 64-bit Linux machine with 32-bit compatibility enabled. LWN has an excellent writeup of the bug, which turns out to be a subtle error related to the details...
Applied Cartography
PSA: mess around with Keystatic
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
Lighthouse Blog
Rules improvement: filter based on content
a week ago
Engineers Need Art
Same Stop
Marvelling at the full circle life seems to have taken after retirement.
a year ago
Marvelling at the full circle life seems to have taken after retirement.
On Life and Lisp
Fun and Games with Exposure Notifications
Exposure Notifications is a protocol developed by Apple and Google for facilitating COVID-19 contact...
over a year ago
Exposure Notifications is a protocol developed by Apple and Google for facilitating COVID-19 contact tracing on mobile phones by exchanging codes with nearby phones over Bluetooth, implemented within the Android and iOS operating systems, now available here in Toronto.
Wait –...
Home on Erik...
Why I went into the mortgage industry
I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Jonas Hietala
A Christmas Game
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly...
over a year ago
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly one thing on my wishlist for this christmas for my little brother: Ticket to Ride: Nordic Countries. Guess what? I got something from my wishlist!
This was our 5th or 6th game (or...
Opsbros
Docker and CumulusMX
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a...
over a year ago
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a Docker container. Let's battle the elements together...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home
Ask your friends about their favorite games at the arcade and the most common answer will likely be...
5 months ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
./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
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...
Birchtree
I’m Not a Panda Person
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web...
2 days ago
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web apps.
Watch it on YouTube or listen in your favorite podcast app!
Home on Erik...
The number of letters in the word for each number
Just for fun, I generated these graphs of the number of letters in the word for each number. I...
over a year ago
Just for fun, I generated these graphs of the number of letters in the word for each number. I really spent about 10 minutes on this (ok…possibly also another 40 minutes tweaking the plots):
More languages!
Jonas Hietala
Weekend Tournaments
This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament...
over a year ago
This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament and on Sunday the local Netrunner community hosted a small summer kit tournament.
Game of Thrones
We’ve had a similar tournament once before when me and my girlfriend invited two of...
Vitalik Buterin's...
Halo and more: exploring incremental verification and SNARKs without pairings
over a year ago
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
Posts on Made of...
Write testable code by writing generic code
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains...
over a year ago
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains several software engineers nearly as obsessed with software testing as I am):
uhh, so I’m writing some code to handle an econnreset… how do I test this?
This is a good question!...
Applied Cartography
Two weeks of parenthood
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about...
2 months ago
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about parenthood. (In all seriousness, consider the below descriptive and not prescriptive: mostly, it's a notepad filled with things that were remarkable or surprising or divergent from...
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
3 days ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
Arduino Blog
Bringing Quake to Arduino: a game-changing project by Nicola Wrachien
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon...
2 months ago
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon Labs, a leader in secure, intelligent wireless technology for a more connected world and long-time Arduino partner – has now tackled an even bigger challenge: porting Quake, the...
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
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...
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
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,
Willem's Blog
My first weeks as dad
Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent....
over a year ago
Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent. Read along for my (biometric) findings and some practical tips.
Jonas Hietala
Postmortem: Balls
So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one...
over a year ago
So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one single game?! Well now I’m not counting the visual basic nightmare mastermind I made a long time ago but a real game. Whatever that means. I’ve had these monster-projects;
Point...
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Jonas Hietala
IDA Summer of Code 2014: Summary
This is a wrap-up post of my entry to IDA Summer of Code this year.
Quick stats
65 merged...
over a year ago
This is a wrap-up post of my entry to IDA Summer of Code this year.
Quick stats
65 merged commits
6790 lines added
2822 lines deleted
36 pull requests, 34 merged
12 pull requests directly fixing issues
rest either documentation or cleanup
1 RFC submitted...
Simply Explained
ESP32 Cam: cropping images on device
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640...
over a year ago
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640 sensor has a max resolution of 1600x1200, but sometimes you don't need the entire image.In this post I'll show how to crop the images on the ESP32 itself, before sending it of to...
Notes on software...
Interpreting Go
After spending some time at work on tooling for keeping documentation
in sync with Go struct...
over a year ago
After spending some time at work on tooling for keeping documentation
in sync with Go struct definitions I had enough exposure to Go's
built-in parsing package that next steps were clear: write an
interpreter. It's a great way to get more comfortable with a
language's
AST.
In...
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
2 weeks ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
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
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
./techtipsy
I have a 'Dall UD19PB ThundeRbglt Dock': my experience with the HP Elitebook 845 G9
I’ve decided to give a new laptop a test drive, mainly because I had the
opportunity at work, and...
over a year ago
I’ve decided to give a new laptop a test drive, mainly because I had the
opportunity at work, and also out of morbid curiosity.
It’s the HP Elitebook 845 G9, and it has pretty good specifications:
CPU: AMD Ryzen 7 6800U
RAM: 2x16GB DDR5
Storage: 512GB KIOXIA NVMe SSD...
Computer Ads from...
Comics from 1983/08 Today Mag
Time for some levity. The following comics were all found in the August 1983 issue of Today...
9 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
Notes on software...
io_uring basics: Writing a file to disk
King and I wrote a blog
post
about building an event-driven cross-platform IO library that...
a year ago
King and I wrote a blog
post
about building an event-driven cross-platform IO library that used
io_uring on Linux. We sketched out how it works at a high level but I
hadn't yet internalized how you actually code with io_uring. So I
strapped myself down this week and wrote...
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
3. indexes
4. a...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
3. indexes
4. a database/sql driver
In this post, we'll extend gosql
to support binary expressions and very simple filtering on SELECT
results via WHERE. We'll introduce a general mechanism...
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...
a month 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...
./techtipsy
ThinkPad as a server: third time's the charm
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable...
2 months ago
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable home server?
ThinkPad as a server: the follow-up
Since then, I’ve had quite a few changes to my home server setup:
I put my home server stuff on an IKEA pegboard
I tried the...
Jonas Hietala
An update on my book 'Why Cryptocurrencies?'
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to...
over a year ago
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to finish the book.
Sorry that’s a bit of a lie, I’ve had a nice long vacation where I didn’t work on the book and I’m also on part-time parental leave. And believe me there’s not a...
computers are bad
2024-10-26 buy payphones and retire
PAYPHONES at High Volume
Existing sites! Earn BIG $$. Money Back Guarantee!
Dropshipping AliExpress...
a month ago
PAYPHONES at High Volume
Existing sites! Earn BIG $$. Money Back Guarantee!
Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally
legal and ethical passive income schemes, that serve to generate that income
mostly for their promoters, can feel like a...
Buck on Software
Thinking incrementally about SaaS
An overview of the key output of the growth software machine
over a year ago
An overview of the key output of the growth software machine
Jonas Hietala
Game Design Analysis: World of Goo
Introduction
This is the second essay for the course Game Design and this thime I will be analysing...
over a year ago
Introduction
This is the second essay for the course Game Design and this thime I will be analysing the game World of Goo a bit.
The first level
The game is very simple. You begin with a structure and a few Goo balls, the charming balls bobbing around there, which you can drag...
Jonas Hietala
Mailto: links with FastMail in Firefox
You can change the application to handle mailto: links in Firefox in Preferences -> Applications....
over a year ago
You can change the application to handle mailto: links in Firefox in Preferences -> Applications. The problem is that you can’t input custom urls and some email providers, like hotmail or fastmail, aren’t supported. I managed to fix it with the plugin MailtoWebmails. It annoys me...
Jonas Hietala
Computer upgrade
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some...
a year ago
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some pictures about the process.
It was time
I didn’t really want to do an upgrade right now, but I felt I had to do it.
Sometimes the lag had gotten very noticeable, for example when...
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
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site.
Let’s rock!!
Louwrentius
'A Moment Of Silence: OpenSolaris Is Dead'
The last release of OpenSolaris dates back to July 2009. The next release was
scheduled for March...
over a year ago
The last release of OpenSolaris dates back to July 2009. The next release was
scheduled for March 2010, but Oracle did not release anything. It is dead
silent around OpenSolaris.
On 12 July 2010, the OpenSolaris Government Board sent out an ultimatum
to Oracle: "please...
Home on Erik...
Wikiphilia
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles...
over a year ago
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles worth sharing and that's why I created the wikiphilia Twitter handle. Just a long stream of stuff that for one reason or another may be interesting.
Home on Erik...
Spotify's Discovery page
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage...
over a year ago
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage of all users. Really happy since we have worked on it for the past six months. Here's a screen shot:
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
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...
Posts on Made of...
My Apollo Bibliography
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
over a year ago
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
GitButler
GitButler 0.12 - "Stingy Baker"
New GitButler release is out! Undo anything, modify your commits with ease, new AI stuff and more!
6 months ago
New GitButler release is out! Undo anything, modify your commits with ease, new AI stuff and more!
Willem's Blog
Offline Music
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to...
over a year ago
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to lossless audio files; there is some reason to this madness however!
Buck on Software
Crypto and Chasing the Dragon
Marc and Ben’s midlife crisis and the Crypto Crusades
over a year ago
Marc and Ben’s midlife crisis and the Crypto Crusades
Arduino Blog
Speed up your project’s compile time by up to 50% in Arduino Cloud!
At Arduino, we know how precious your time is when you’re building your next big project or...
a week ago
At Arduino, we know how precious your time is when you’re building your next big project or experimenting with new ideas. That’s why we’re thrilled to introduce a game-changing update to the Cloud Editor Builder — the engine behind compiling your sketches in Arduino Cloud. This...
Louwrentius
Fio-plot: creating nice charts from FIO storage benchmark data
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
over a year ago
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below.
The github project page explains how to run this tool.
Fio-plot also includes a benchmark script...
Arduino Blog
These Shattered Space helmet replicas stay video game accurate using an Arduino Nano
Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called...
2 months ago
Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called “Shattered Space” in which players can don novel weapons and gear to take on the latest challenge. As part of its release, the expansion’s publisher Bethesda reached out to cosplayer...
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
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...
Home on Erik...
Running Theano on EC2
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning...
over a year ago
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), and compiles it down into bytecode to run...
Computer Ads from...
Oberon International' Omni-Reader
Audio Engineers announce a revolution in taking words from page to your computer
5 days ago
Audio Engineers announce a revolution in taking words from page to your computer
Willem's Blog
Cutting Cloud Costs
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
Birchtree
I don’t care about bad or missing features that I don’t use
Sometimes I’ll talk about something I like online and people will express shock that I can use a...
2 weeks ago
Sometimes I’ll talk about something I like online and people will express shock that I can use a product that has such a clear downside. I’ve gotten people ask how I can use Things since it doesn’t have shared task lists. More recently I
Louwrentius
The iPad will be the death of Flash
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that...
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that it lacks support for Adobe Flash. The iPhone does
not support Flash either, and since the iPad is based on the iPhone OS, this
should not come as a surprise.
Now many people see...
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
over a year ago
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
Vitalik Buterin's...
Two thought experiments to evaluate automated stablecoins
over a year ago
Louwrentius
Benefits of hyper-threading on a Core 7i processor
I had some wave files that I wanted to encode to mp3. I wrote a small parallel
processing framework...
over a year ago
I had some wave files that I wanted to encode to mp3. I wrote a small parallel
processing framework for this job. It executes parallel jobs so I can benefit
from the 4 cores + 4 virtual cores of my new Core 7i 920 processor.
The framework is based on some shell scripts running...
./techtipsy
Why I went back to using a ThinkPad from 2012
This post is inspired by this article from the Low-tech Magazine.
I highly recommend giving that a...
over a year ago
This post is inspired by this article from the Low-tech Magazine.
I highly recommend giving that a read as well!
Over my lifetime, I’ve used a bunch of different computers, mainly due to new
ideas and requirements popping into my mind every time I’m content with my
current setup....
Jonas Hietala
2016 in Review
See the previous reviews.
2016 Geek Achievements
Placed 2nd in Linköping’s Regional in...
over a year ago
See the previous reviews.
2016 Geek Achievements
Placed 2nd in Linköping’s Regional in Netrunner.
Won a couple of smaller Netrunner tournaments.
Got Veronica to play Game of Thrones with us. She beat us and she loved it!
Programmed a little bit of Elixir and a tiny bit of front...
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
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...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
6 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Willem's Blog
Upgrading a 27-inch iMac 5K to 14 terabytes
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and...
over a year ago
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and some spare time I was able to resurrect it from the death!
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
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...
Engineers Need Art
Casady & Greene
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software...
3 months ago
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software publishing.
Notes on software...
Implementing MVCC and major SQL transaction isolation levels
In this post we'll build a database in 400 lines of code with basic
support for five standard SQL...
7 months ago
In this post we'll build a database in 400 lines of code with basic
support for five standard SQL transaction levels: Read Uncommitted,
Read Committed, Repeatable Read, Snapshot Isolation and
Serializable. We'll use multi-version concurrency control (MVCC) and
optimistic...
Vitalik Buterin's...
What I would love to see in a wallet
2 weeks ago
csvbase blog
My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
Abort Retry Fail
Housekeeping 20241208
Corrections, stats, and an update
2 weeks ago
Corrections, stats, and an update
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
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...
Arduino Blog
Discover the new Arduino UNO SPE Shield: the quick and easy way to advanced connectivity
Arduino and Microchip are excited to open electronica – the “world’s leading trade fair and...
a month ago
Arduino and Microchip are excited to open electronica – the “world’s leading trade fair and conference for electronics” – by introducing the Arduino UNO SPE Shield, a powerful ally to bring advanced connectivity to new and existing projects, with Single-Pair Ethernet (SPE) and...
Posts on Made of...
Transformers for software engineers
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Engineers Need Art
Op-Amp Helper PCB
A PCB for breadboards to make working with op-amps easier.
a year ago
A PCB for breadboards to make working with op-amps easier.
Avestura's Blog
Hiding a photo inside another photo
How to hide a small photo inside a larger photo?
over a year ago
How to hide a small photo inside a larger photo?
Good Enough
Yes, Facebook Is Terrible, but Also…
I’m not on Facebook.
It was eight or ten years ago when I left for good.
While there were some good...
a year ago
I’m not on Facebook.
It was eight or ten years ago when I left for good.
While there were some good and useful interactions, the algorithm brought me down, I didn’t have a lot of desire to keep up with old acquaintances, and hearing everyone’s political stance was not good for...
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 3: pressure transducers
MathJax = {
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},
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fontCache:...
11 months ago
MathJax = {
tex: {
inlineMath: [['$', '$'], ['\\(', '\\)']]
},
svg: {
fontCache: 'global'
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chtml: { displayAlign: 'left' }
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MathJax.Hub.Config({
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.MathJax {font-size: 1em !important}
The Bendix Central Air...
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit!
With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 months ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Vitalik Buterin's...
[Mirror] Bir Proof of Stake Tasarım Felsefesi
over a year ago
Christian Selig
A free, 3D printable Meta Quest 3 stand
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I...
8 months ago
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I designed in Fusion 360 with the goal of being visually appealing and compact as it stored the headset vertically so it wouldn’t take up too much space on your desk.
Turns out there were...
Neil Madden
Making things
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences.
Some Background You...
Gwern.net Newsletter
March 2021 Gwern.net Newsletter
2 major new site features: 'popins' and recursive Wikipedia popups
over a year ago
2 major new site features: 'popins' and recursive Wikipedia popups
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
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...
Posts on Made of...
On git and usability
I’ve been helping a number of people get started working with git over the last couple of weeks, as...
over a year ago
I’ve been helping a number of people get started working with git over the last couple of weeks, as Ksplice has brought on some new interns, and we’ve had to get them up to speed on our internal git repositories. (As you might expect from a bunch of kernel hackers, we use git for...
./techtipsy
How to start your self-hosting adventure: a high-level overview
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in...
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in /r/homelab, storage measured in terabytes (or even petabytes) over
at /r/datahoarder, all the different services that people host over at
/r/selfhosted. This can be a bit...
Louwrentius
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
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...
latest projects -...
Motorised Camera Slider
[Hardware] Simple smooth motor mod
5 months ago
[Hardware] Simple smooth motor mod
Style over Substance
Buienalarm / Buienradar Apple Watch complication using Home Assistant
Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar...
over a year ago
Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar complication. Buienradar, Dutch for rain radar, is a popular site here that uses weather radar images to predict if it’s going to rain in the next few hours. For many people living here,...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
Computer Ads from...
EPYX's Pitstop
Where Winning is the Pits.
6 months ago
Where Winning is the Pits.
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I...
over a year ago
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I walked through the basics of PL/pgSQL, the embedded procedural
language inside of PostgreSQL. It covered simple functions, recursions
and parsing. But there was something very...
./techtipsy
The minimum viable fan control script
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as...
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as writing crappy
solutions to make up for
deficiencies on the hardware level. After years of dumb experiments I’ve seen
how little you can get away with in cooling and how to run your...
Jonas Hietala
Evolution of RTS games
Introduction
This is an essay for the course Game Design and I’m going to give you a ride through...
over a year ago
Introduction
This is an essay for the course Game Design and I’m going to give you a ride through the evolution of RTS game genre. I like RTS games and I’ve played them for as long as I can remember, from the classic Red Alert and Age of Empires to the newer Supreme Commander and...
Jonas Hietala
2020 in review
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me...
over a year ago
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me personally it’s been both good and bad. Luckily we haven’t been directly affected by COVID too much, but it’s still been very disruptive. Either way as I’ve done for years now it always...
Ken Shirriff's blog
Inside the Intel 386 processor die: the clock circuit
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this...
a year ago
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this blog post, I'll examine the clock-generation circuitry inside the Intel 386 processor.
Earlier processors such as the 8086 (1978) were simpler, using two clock phases internally.
The...
./techtipsy
TOMO M4: probably the coolest power bank I've owned
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting...
a year ago
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting two, and here’s why.
This post is not sponsored.
Removable batteries
Let’s start with the feature that I appreciate the most: removable batteries!
The TOMO M4 accepts up to 4...
Notes on software...
Checking linearizability in Go
You want to check for strict consistency
(linearizability)
for your project but you don't want to...
a month ago
You want to check for strict consistency
(linearizability)
for your project but you don't want to have to deal with the
JVM. Porcupine,
used by a number of real-world systems like etcd and TiDB, has you
covered!
Importantly, neither Jepsen projects nor Porcupine can...
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
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...
Louwrentius
'Linux: show graphical layout of disk temperatures'
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a...
over a year ago
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a small
script. The output of this script looks like this:
This output is tailored to the exact disk lay-out of my storage
server. However, it is also usable for other servers. You have to...
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Jonas Hietala
Summer job at Configura
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had...
over a year ago
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had two teams doing different things. I worked with two other awesome guys and it was great!
The Premise
We had two assignments this summer. One was to create an optimized version of...
Jonas Hietala
Back to lazy.nvim
Around a month ago I had an affair with rocks.nvim.
It was fun, but I’m back together with lazy.nvim...
6 months ago
Around a month ago I had an affair with rocks.nvim.
It was fun, but I’m back together with lazy.nvim again.
This is a short post to explain why—at this point in time—the grass wasn’t greener on the other side.
Problems with rocks.nvim
Too many weird issues.
I had quite a few...
Willem's Blog
Using the reMarkable paper tablet
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Bryan Braun - Blog
Unusual Git IDs
You can search Github for unusual commit IDs:
There are over 2k commits starting with...
a month ago
You can search Github for unusual commit IDs:
There are over 2k commits starting with 0000000!
While looking for commits like these, I started to become suspicious that people were intentionally modifying their commits IDs to be unusual:
A commit ID of eeeeeee, with a message...
Willem's Blog
Wearing WHOOP 4.0
Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror...
over a year ago
Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror - it's so powerful, that I don't take mine off!
Vitalik Buterin's...
[Mirror] Zk-SNARKs: Under the Hood
over a year ago
computers are bad
2023-12-23 ITT Technical Institute
Programming note/shameless plug: I am finally on Mastodon.
The history of the telephone industry is...
a year ago
Programming note/shameless plug: I am finally on Mastodon.
The history of the telephone industry is a bit of an odd one. For the greatest
part of the 20th century, telephony in the United States was largely a monopoly
of AT&T and its many affiliates. This wasn't always the case,...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 6: The Splurge
a month 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...
8 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
Lighthouse Blog
Deep dive into finding RSS feeds
2 weeks ago
Jonas Hietala
Eduroam for wicd in Linkoping's University
So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost.
Save the following as /etc/wicd/encryption/templates/ttls-80211:
name = TTLS for Wireless
author =...
Home on Erik...
The power of ensembles
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely...
over a year ago
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works.
In this case, we're training machine learning algorithms on different data sets (playlists, play counts, sessions) and different...
./techtipsy
I encourage you to write a blog
It’s been over 4 years since my first post on this blog.
During those 4 years I’ve written over 90...
3 months ago
It’s been over 4 years since my first post on this blog.
During those 4 years I’ve written over 90 posts, received over 1 million clicks,
a dozen legitimate reader e-mails and thousands of spam e-mails.
And I love it!
I’ve found that writing can be very fulfilling and I encourage...
Jonas Hietala
Migrating to rocks.nvim
My relationship with my Neovim config is best described as an On-again, off-again relationship.
At...
6 months ago
My relationship with my Neovim config is best described as an On-again, off-again relationship.
At times I’m deeply in love and spend all my time caressing the config—like how in September I did a complete rewrite in Lua—while other times I’m busy with other love interests and...
Gwern.net Newsletter
May 2021 Gwern.net Newsletter
links on AI hardware, diffusion models, optogenetics, brain scanning.
over a year ago
links on AI hardware, diffusion models, optogenetics, brain scanning.
Posts on Made of...
autocutsel
As most of you probably know, X has several different mechanisms for copy-paste, used by different...
over a year ago
As most of you probably know, X has several different mechanisms for copy-paste, used by different applications in different ways. I know some people who use them deliberately, juggling two pieces of text in different clipboards at once, but for me, it’s always just been...
Vitalik Buterin's...
Against overuse of the Gini coefficient
over a year ago
./techtipsy
Back to roots
This blog is running on a home server again.
I have once again gained access to a competent internet...
6 months ago
This blog is running on a home server again.
I have once again gained access to a competent internet connection1, and
I think I have figured out the IPv6 setup as well2, leading to this change.
The IP address is dynamic, there are occasional power outages and I might just
mess up...
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
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...
Container scheduling strategies for integration testing 14 different databases in Github Actions
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Yazin Alirhayim
Serializing and deserializing a Cookie Jar
I was recently working on a way to serialize and deserialize a Faraday connection that uses...
over a year ago
I was recently working on a way to serialize and deserialize a Faraday connection that uses HTTP::CookieJar to manage persistent cookies across requests.
I needed to do this because I wanted a way to “freeze” an HTTP connection instance, and later “thaw” it to resume the...
Arduino Blog
This Flip-Pelt wearable concept enables ultra-fast thermal feedback in VR
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on...
a month ago
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on your arm? Or the cold of chilly water? Engineers around the world have been trying to make that happen, but there is a big problem: temperature changes are slow. The immersive...
On Life and Lisp
The first conformant M1 GPU driver
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the...
a year ago
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the drivers are compatible with any OpenGL ES
3.1 application. Interested? Just install Linux!
For existing Asahi Linux users,
upgrade your system with dnf
upgrade (Fedora) or pacman
-Syu...
Louwrentius
Linux Iptables Firewall Script released on Google code
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall...
over a year ago
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall within minutes. It is easy to use, yet very powerful. It uses Iptables and even improves upon some limitations of Iptables.
Every person who has to maintain some kind of...
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
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Louwrentius
Benchmarking storage with Fio and generating charts of the results
Introduction
Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of...
over a year ago
Introduction
Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of options to create a storage benchmark that would best reflect your needs. Fio allows you to assess if your storage solution is up to its task and how much headroom it has.
Fio outputs...
Jonas Hietala
Grand Thief Arto
Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with...
over a year ago
Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with some fairly cool ideas.
Grand Thief Arto
Instructions
Your goal is to collect loot until you can escape through the entry point when you’ve collected enough to complete the...
Arduino Blog
Easy and fun block-based coding with the Alvik robot is here, now Chromebook compatible!
At Arduino, we believe coding should be accessible to everyone – including the youngest learners....
a month ago
At Arduino, we believe coding should be accessible to everyone – including the youngest learners. With this in mind, we’re thrilled to announce that the Arduino Alvik robot now officially supports block-based coding! Coding has never been easier thanks to Alvik’s seamless...
Arduino Blog
Enhance your IoT dashboards with Arduino Cloud’s new Image widget
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited...
3 months ago
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited to announce a new feature for Arduino Cloud that will allow you to enhance your IoT dashboards: the Image widget. The new Image widget The Image widget is a simple yet powerful...
Applied Cartography
Hidden settings are for cowards
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
2 weeks ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
Notes on software...
dsq: Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Home on Erik...
New approximate nearest neighbor benchmarks
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
Louwrentius
Recovering a lost partition using gpart
Even today people do not understand how important it is for the safety of your
data to make backups....
over a year ago
Even today people do not understand how important it is for the safety of your
data to make backups. I was asked to perform some data recovery on a hard
drive of an old computer, which still contained important documents and
photo's.
The first thing I did was to make a disk image...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Home on Erik...
σ-driven project management: when is the optimal time to give up?
Hi! It's your friendly project management theorician. You might remember me from blog posts such as...
over a year ago
Hi! It's your friendly project management theorician. You might remember me from blog posts such as Why software projects take longer than you think, which is a blog post I wrote a long time ago positing that software projects completion time follow a log-normal distribution.
Good Enough
Why We're Writing Blog Software
We’re seven months into our Cosmic Maelstrom
and we have started writing blogging software.
What the...
a year ago
We’re seven months into our Cosmic Maelstrom
and we have started writing blogging software.
What the why?!
First, let me say that, yes, I do realize there are probably 100s of blog software options out there.
In terms of static-site generators (SSGs) alone, there are probably...
Posts on Made of...
Some notes on CVE-2010-3081 exploitability
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity...
over a year ago
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time.
While investigating...
Jonas Hietala
Moving private repositories to Bitbucket
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of...
over a year ago
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of courseand they even gave me a free students account and I still host all my public repositories there. Still, Bitbucket has unlimited free private repositories for up to 5 users...
GitButler
Fearless Rebasing
GitButler now supports first class conflicts, which makes rebasing much less annoying. What is...
2 months ago
GitButler now supports first class conflicts, which makes rebasing much less annoying. What is "fearless rebasing"?
Arduino Blog
Exercise while you game with this interactive treadmill add-on
Motion-based controls for games have been around for decades, but even with the latest generation of...
3 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
./techtipsy
Stupid project ideas: the War Machine
LinusTechTips has some pretty great videos about building
insane PC and server setups, such...
over a year ago
LinusTechTips has some pretty great videos about building
insane PC and server setups, such as:
unboxing and deploying petabytes of storage
7 gamers, 1 CPU
building sleeper PC-s
testing sketchy CPU-s
opening up a 100TB SSD
I have the ideas, but not the budget of LinusTechTips, so...
Neil Madden
How do you use a bearer URL?
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Jonas Hietala
Fun or Frustration? Ludum Dare 33
One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule,...
over a year ago
One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule, negotiated with my better half and everything is set up for epicness.
At first the idea was to make a game in rust, even tough I basically haven’t used it in almost a year, but when I...
Louwrentius
Improving iSCSI Native Multi Pathing Round Robin performance
10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must...
over a year ago
10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must also upgrade your network hardware as well. You may even need to replace existing fiber optic cabling if it's not rated for 10 Gbit.
So I decided to still just go for plain old 1...
Electronics etc…
Analyzing the Monoprice Blackbird HDCP 2.2 to 1.4 Down Converter
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper:...
a year ago
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper: UART Transactions
Decoding HDCP I2C Transactions
The Legality of It All
References
Footnotes
Introduction
I got my hands on a
Monoprice Blackbird 4K Pro HDCP 2.2 to 1.4...
On Life and Lisp
The Apple GPU and the Impossible Bug
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Notes on software...
We put a distributed database in the browser – and made a game of it
This is an external post of mine. Click
here
if you are not redirected.
a year ago
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
A Simple Thought
I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about...
over a year ago
I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about that yesterday and I was very, very nervous. The preparations weren’t that hard, but they where very bothersome. Converting the instructions to binary/hex by hand is never nice....
Applied Cartography
Buttondown Analytics 3.0
Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'.
Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
Louwrentius
Creating storage benchmark charts with FIO and GNUplot
Edit 2019: I've made a new tool called 'fio-plot'to create various graphs.
I use FIO to perform...
over a year ago
Edit 2019: I've made a new tool called 'fio-plot'to create various graphs.
I use FIO to perform storage IO performance benchmarks. FIO does provide a script called "fio_generate_plots" which generates PNG or JPG based charts based on the data generated by FIO. The charts are...
Jonas Hietala
Battling burnout
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and...
a year ago
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and after about a year I’m finally feeling more like myself.
Even though I’ve been here before, it’s a difficult thing to recognize and avoid, so I’m writing this to maybe help you or my...
Posts on Made of...
Test suites as classifiers
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and...
over a year ago
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and maintained test suite.
Considering the patch, we may ask, is this patch acceptable to apply and deploy. By this we mean to ask if the patch breaks any important functionality,...
Jonas Hietala
Ludum Dare 20 Timelapse
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I...
over a year ago
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I lost the first few hours as I forgot to turn it on…
Anyway here’s the result:
https://www.youtube.com/watch?v=ABVPlRaA5iI
./techtipsy
Zimaboard: the closest thing to my dream home server setup
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally...
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally bought one.
In short, Zimaboard is a small single-board computer that is relatively affordable and comes
with an interesting selection of ports, which includes an exposed PCI...
Jonas Hietala
The Arty Timeline
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are:
And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Willem's Blog
Born with MCADD
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
Willem's Blog
Smartwatches vs Mechanical watches
Why I still wear a mechanical watch and why smartwatches have potential.
over a year ago
Why I still wear a mechanical watch and why smartwatches have potential.
Vitalik Buterin's...
Some ways to use ZK-SNARKs for privacy
over a year ago
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
2 months ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Push to Prod
When Overwhelmed, Make a List of Questions
In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
4 months ago
In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
lcamtuf’s thing
The serious science of trolling LLMs
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would...
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Applied Cartography
Consider the data product
The advice might seem dated these days, but I think the stair step approach to bootstrapping is...
2 months ago
The advice might seem dated these days, but I think the stair step approach to bootstrapping is evergreen:
It’s much easier to sell an add-on to an existing ecosystem like a WordPress plugin, a Shopify app, a Heroku add-on – they’re usually small things to build, relatively...
Notes on software...
An intuition for distributed consensus in OLTP systems
Distributed consensus in transactional databases (e.g. etcd or
Cockroach) is a big deal these days....
10 months ago
Distributed consensus in transactional databases (e.g. etcd or
Cockroach) is a big deal these days. Most often under the hood are
variations of log-based Paxos-like algorithms such as MultiPaxos,
Viewstamped Replication, or Raft. While there are new variations that
come out each...
Willem's Blog
Removing paint from a bike frame
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal,...
over a year ago
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal, raw aluminium look.
Computer Ads from...
ProHance Technologies' Power Mouse
Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
Even A Totally Souped up PC Is A Dog Without PowerMouse
Home on Erik...
There is no magic trick
(Warning: super speculative, feel free to ignore)
As Yogi Berra said, “It's tough to make...
over a year ago
(Warning: super speculative, feel free to ignore)
As Yogi Berra said, “It's tough to make predictions, especially about the future”. Unfortunately predicting is hard, and unsurprisingly people look for the Magic Trick™ that can resolve all the uncertainty.
Louwrentius
Buying a new computer
*** Desktop or Laptop ***
When deciding on which computer to buy, the first decision you have to...
over a year ago
*** Desktop or Laptop ***
When deciding on which computer to buy, the first decision you have to make is about whether to go for a desktop or a laptop. There was a time that many believed that the desktop would become a niche product. Most people want a laptop because they can...
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
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Arduino Blog
A drone remote designed to enhance magic shows
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed...
7 months ago
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed slight of hand, but many of them rely on clever engineering to sell an illusion. And modern technology offers a great deal of interesting possibilities. That is the idea behind Peter...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
...
over a year ago
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
This post upgrades the ulisp x86 backend from using a limited set of
registers (with no spilling...
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
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...
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an...
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an opportunity to send a signal and test the capabilities of
my UPS.
I’ve prepared for this moment with my self-hosting setup, let’s see how well it
holds up. Hopefully better than...
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!)
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Willem's Blog
Lunch by plane
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
over a year ago
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
Home on Erik...
Ping the world
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result:
Some...
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result:
Some notes:
What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
latest projects -...
Portable Probability Panel
[Misc] Laser-cut Galton board
5 months ago
[Misc] Laser-cut Galton board
Jonas Hietala
Minecraft Server Hosting
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
Neil Madden
API Security in Action is published!
I wasn’t expecting it so quickly, so it caught me a little off guard, but API Security in Action is...
over a year ago
I wasn’t expecting it so quickly, so it caught me a little off guard, but API Security in Action is now finally published. PDF copies are available now, with printed copies shipping by the end of the month. Kindle/ePub take a little bit longer but should be out in a few weeks...
Vitalik Buterin's...
Layer 1 Should Be Innovative in the Short Term but Less in the Long Term
over a year ago
Louwrentius
Benchmarking cheap SSDs for fun, no profit (be warned)
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now...
a year ago
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
Although cheap SSDs do perform fine regarding reads, sustained write...
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