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...
a month 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,...
axio.ms
A small ode to the CRT
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at...
over a year ago
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at 50Hz, or made a loud whistle at 15.625KHz (back when I could still hear it). CRTs just seemed crude, “electro-brutalist” contraptions from the valve era. They were heavy, and...
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Neil Madden
Newsletter
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably...
12 months ago
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably exploring a few topics around AI and philosophy. If you’d prefer some more technical content around security and cryptography, then take a look at the newsletter I put out for my...
Good Enough
Bad Ideas Are Fun
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that...
a year ago
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that coming up with ideas is actually very easy––what makes it hard is that we’re aiming for good ideas.
The next time you're coming up with ideas, tell yourself, Forget about good...
Posts on Made of...
Suggestion time: What should I blog about?
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list.
But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
Odds and Ends of...
Why we need seven bins
It's time for some #binchat
2 weeks ago
It's time for some #binchat
Jonas Hietala
Let's build a VORON: Smaller fixes
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d...
11 months ago
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time.
But of course, I’ve been slowly working through my large mods-I-want list.
My initial plan was to...
computers are bad
2023-06-02 the reinvention of owens lake
Programming note: In an effort to introduce an exciting new social aspect to
Computers Are Bad (a...
a year ago
Programming note: In an effort to introduce an exciting new social aspect to
Computers Are Bad (a functional necessity to appease early-stage investor
demands for "engagement")¸ I am launching a Matrix room for CAB readers.
You can join it! Do whatever you do to join rooms in...
Vitalik Buterin's...
What I would love to see in a wallet
a month ago
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...
Arduino Blog
This automatic laser turret keeps the cats entertained for hours
Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their...
2 months ago
Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their cats indoors to avoid decimating the local wildlife population and that means Mr. Whiskers and Ms. Socks don’t get much opportunity to express their hunting urges. That’s why...
GitButler
Why GitHub Actually Won
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
3 months ago
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
Jonas Hietala
An Elixir based payment processor for the Coinparty hackathon
Bitcoin Unlimited is hosting a Bitcoin Cash hackathon this December and it seemed like a good...
over a year ago
Bitcoin Unlimited is hosting a Bitcoin Cash hackathon this December and it seemed like a good opportunity for me to explore how to program against Bitcoin Cash, and it gives me an excuse to build something real with Phoenix and Elixir. (While an event like this might help combat...
Jonas Hietala
2015 Read Books
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song...
over a year ago
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song of Ice and Fire: A Dance with Dragons - George R.R. Martin
Reread.
A Knight of the Seven Kingdoms - Gearge R.R. Martin
The Skin Collector - Jeffery Deaver
Best Served Cold - Joe...
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.
Jonas Hietala
Rewriting my Neovim config in Lua
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of...
a year ago
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of things to do; clean the bathrooms, prototype an idea for a SaaS and ponder world peace.
So naturally the procrastination took over and I rewrote my Neovim configuration in...
Posts on Made of...
Systems that defy detailed understanding
Last week, I wrote about the mindset that computer systems can be understood, and behaviors can be...
over a year ago
Last week, I wrote about the mindset that computer systems can be understood, and behaviors can be explained, if we’re willing to dig deep enough into the stack of abstractions our software is built atop. Some of the ensuing discussion on Twitter and elsewhere lead me to write...
Notes on software...
Writing a Jinja-inspired template library in Python
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be...
over a year ago
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be able to display variables and iterate
over arrays.
By the end of this article, with around 300 lines of code, we'll be
able to create this program:
from pytemplate import...
Vitalik Buterin's...
Degen communism: the only correct political ideology
9 months ago
Home on Erik...
More Luigi!
Elias Freider just talked about Luigi at PyData 2013:
The presentation above is much better than one...
over a year ago
Elias Freider just talked about Luigi at PyData 2013:
The presentation above is much better than one I put together a few weeks ago. In case anyone is interested I'll include it too:
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
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.
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...
anderegg.ca
More details on Bluesky’s subscription plan
Update: I had missed this, but the Bluesky team had already announced a subscription model was on...
3 weeks ago
Update: I had missed this, but the Bluesky team had already announced a subscription model was on the way. I had written this article assuming that was the news. What is new is the work happening on their official apps, which contains details on features and potential pricing. An...
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Jonas Hietala
Early Christmas Present
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and...
over a year ago
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and Veronica opened our Christmas presents a bit early - we’re impatient like that.
I got one of the best presents yet I think! A Raspberry Pi!
Just look at this bad boy!
She got some...
Jonas Hietala
Top ten activities that make me happy
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL.
While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
Posts on Made of...
Design for Testability
When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other?
In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Arduino Blog
Making a car more secure with the Arduino Nicla Vision
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
5 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
Posts on Made of...
Distributed cloud builds for everyone
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Birchtree
My favorite (and least favorite) movies of 2024
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
2 weeks ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Ian's Blog
Mourning the Loss of Cohost
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting...
3 months ago
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting down, with the site going read-only on October 1st 2024. This news was deeply upsetting to receive, as Cohost filled a space left by other social media websites when they stopped...
Simply Explained
Analyzing Link Rot in My Newsletter (After 31 Editions)
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to...
a year ago
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to interesting articles related to science and technology. I thought it would be interesting to analyze how many of those links are still accessible, and how many have succumbed to link rot....
Jonas Hietala
Let's build a VORON: Wrap-up
It’s finally done™.
I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
10 months ago
It’s finally done™.
I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective.
Building the printer was really fun and rewarding
I’ve always seen...
Arduino Blog
A DIY weather display with dedicated outdoor sensor station
Weather stations are popular projects in the maker community because they’re useful and usually...
6 months ago
Weather stations are popular projects in the maker community because they’re useful and usually quite affordable to construct. But most that we see are really weather information displays that gather data through the internet from stations in the region. That data is fairly...
Lighthouse Blog
Updates September 9: Feed finding
3 months ago
Louwrentius
'Linux: monitor a directory for files'
Inotify is a mechanism in the Linux kernel that reports when a file system
event occurs.
The...
over a year ago
Inotify is a mechanism in the Linux kernel that reports when a file system
event occurs.
The inotifywait comand line utility can be used in shell scripts to monitor
directories for new files. It can also be used to monitor files for changes.
Inotifywait must be installed and is...
Louwrentius
Using ncat to provide SSL-support to non-ssl capable software
Sometimes, people are using software that does not support encrypted
connections using SSL. To...
over a year ago
Sometimes, people are using software that does not support encrypted
connections using SSL. To provide SSL-support to such a client, ncat can be
used. Ncat is part of nmap, the famous port-scanner.
The main principle is that the non-ssl capable software does not connect to
the...
csvbase blog
There are 665 open licences, most are pretty rubbish
you are in a maze of twisty licences, all alike
3 months ago
you are in a maze of twisty licences, all alike
Birchtree
Matt is a Mean Guy (hey!)
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created...
3 weeks ago
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created a sticky note-based task manager, and everyone gives the iPad some much needed love.
Or watch it on YouTube.
Weekly Topics
Raycast
CleanShot X
Final Cut Pro
Google...
watchTowr Labs
Check Point - Wrong Check Point (CVE-2024-24919)
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
7 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze.
Check Point, for those unaware, is the vendor responsible for...
./techtipsy
Tech rants: PC-s use way too much power in 2021
Welcome to 2021. We have:
supply chain issues
no reasonably priced GPU-s
consumer-grade CPU-s with...
over a year ago
Welcome to 2021. We have:
supply chain issues
no reasonably priced GPU-s
consumer-grade CPU-s with peak power consumption at 296W
GPU-s that consume 350-400W of power under normal use
At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Birchtree
Grading my 2024 Apple predictions
First off, merry Christmas!
I closed out last year with a series of posts reviewing Apple’s main...
a week ago
First off, merry Christmas!
I closed out last year with a series of posts reviewing Apple’s main product lines, iPhones, iPads, Macs, Watches, and the soon-to-be-released Vision Pro. I’ll be doing that again over the last few days of the year, but in the interest of
Avestura's Blog
An opinion on what's a good general-purpose programming language
What features should a programming language have to be ideal, in my opinion?
over a year ago
What features should a programming language have to be ideal, in my opinion?
Notes on software...
What's the big deal about key-value databases like FoundationDB and RocksDB?
Let's assume you're familiar with basic SQL databases like PostgreSQL
and MySQL, and document...
over a year ago
Let's assume you're familiar with basic SQL databases like PostgreSQL
and MySQL, and document databases like MongoDB and Elasticsearch. You
probably know Redis too.
But you're hearing more and more about embedded key-value stores like
RocksDB,
LevelDB,
PebbleDB, and so on....
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....
11 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...
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: [['$', '$'], ['\\(', '\\)']]
},
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fontCache: 'global'
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MathJax.Hub.Config({
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.MathJax {font-size: 1em !important}
The Bendix Central Air...
Odds and Ends of...
We need more than Westminster reporters to understand government
Lobby correspondent hegemony is bad.
3 weeks ago
Lobby correspondent hegemony is bad.
Arduino Blog
An Arduino-powered robotic ukulele that plays itself
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
4 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
Posts on Made of...
Some Android reverse-engineering tools
I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I...
over a year ago
I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I created a couple of useful tools that I figure are worth sharing.
I’ve been using dedexer instead of baksmali, honestly mainly because the former’s output has fewer blank lines and so...
Arduino Blog
A desktop-sized DIY vending machine for your room
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive...
6 months ago
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive and too bulky to fit in most homes. But now you can experience vending bliss thanks to this miniature vending machine designed by m22pj, which you can craft yourself using an...
Matt Mullenweg
GPL Clarification
A quick followup on my prior conversation with Theo. During that chat, I talked briefly about a...
2 months ago
A quick followup on my prior conversation with Theo. During that chat, I talked briefly about a trademark infringer that was also distributing nulled plugins. I said “Not illegal. Legal under the GPL. But they weren’t changing the names. They were selling their customers Pro...
Old Vintage...
What the KIM-1 really needs is an LCD screen
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all...
a year ago
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all well and good, but the basic unit is still just six numeric LEDs for its display. Let's solve that problem.
Sure, you could hook up a serial terminal like the Silent 700 we used...
Vitalik Buterin's...
The promise and challenges of crypto + AI applications
11 months ago
computers are bad
2023-01-29 the parallel port
A few days ago, on a certain orange website, I came across an article about an
improvised parallel...
a year ago
A few days ago, on a certain orange website, I came across an article about an
improvised parallel printer capture device.
This contains the line:
There are other projects out there, but when you google for terms such as
"parallel port to usb", they drown in a sea of "USB to...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Home on Erik...
More Luigi: Presentation from OSCON
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about...
over a year ago
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about Luigi:
Next week I'm presenting at the NYC Predictive Analytics meetup together with Blake Shaw from Foursquare.
Arduino Blog
See how this homemade spectrometer analyzes substances with an Arduino Mega
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic...
a week ago
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic spectrum that can give valuable information about their chemical or physical compositions. Traditional setups use a single lamp to emit white light before it is split apart into a...
Christian Selig
Theming Apps on iOS is Hard
Theming apps (the ability to change up the color scheme for an app from say, a white background with...
over a year ago
Theming apps (the ability to change up the color scheme for an app from say, a white background with blue links to a light green background with green links) is a pretty common feature across a lot of apps. It’s one of the core features of the new “Twitter Blue” subscription,...
Louwrentius
FreeBSD 10.1 unattended install over PXE & HTTP (no NFS)
To gain some more experience with FreeBSD, I decided to make a PXE-based unattended installation of...
over a year ago
To gain some more experience with FreeBSD, I decided to make a PXE-based unattended installation of FreeBSD 10.1.
My goal is to set something up similar to Debian/Ubuntu + preseeding or Redhat/CentOS + kickstart.
Getting a PXE-based unattended installation of FreeBSD 10.1 was...
Lighthouse Blog
Updates November 24: Content parsing improvements
a year ago
./techtipsy
I held a talk about my self-hosting adventure!
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a
talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about
that in the future).
The talk took place on May 25th 2023 at...
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
10 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
Louwrentius
Achieving 2.3 GB/s with 16 x 4 TB drives
I'm in the process of building a new storage server to replace my 18 TB NAS.
The server is almost...
over a year ago
I'm in the process of building a new storage server to replace my 18 TB NAS.
The server is almost finished, it's now down to adding disk drives. I'm using the HGST 4 TB 7200 RPM drive for this build (SKU 0S03356) (review).
I have not bought all drives at once, but slowly adding...
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.
Louwrentius
ZFS performance on HP Proliant Microserver Gen8 G1610T
I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your...
over a year ago
I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your own ZFS-based NAS. The benchmarks I've performed seem to confirm this.
The Microserver Gen8 has nice features such as:
iLO (KVM over IP with dedicated network interface)
support...
Notes on software...
AOT-compilation of Javascript with V8
tldr; I'm working on a AOT-compiled Javascript implementation called
jsc.
Many dynamically typed...
over a year ago
tldr; I'm working on a AOT-compiled Javascript implementation called
jsc.
Many dynamically typed programming languages have implementations that
compile to native binaries:
Python: Cython
Common Lisp: SBCL
Scheme: Chicken Scheme
The benefits of compiling dynamically typed...
Louwrentius
Linux on Mac Mini - boot after power failure
When using a Mac Mini as a server or router, it is very nice if the machine
automatically boots if a...
over a year ago
When using a Mac Mini as a server or router, it is very nice if the machine
automatically boots if a power failure has occurred.
User chirhoxi on the ubuntu forum found out how this can be achieved:
http://ubuntuforums.org/showthread.php?t=1209576
Basically you need one of these...
Lars Lofgren
The 9 Delusions From the Halo Effect
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of...
over a year ago
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of companies that have rocketed to success. Especially in tech, there’s always another $1 billion unicorn around the corner. Uber, Facebook, Airbnb, Slack, Zenefits, Box, Shopify, yadda...
Jonas Hietala
(Fake) Bittman Chinese Chicken
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken.
I broke the recipe on...
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken.
I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Posts on Made of...
Two Perspectives on the End-to-End Principle
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read...
over a year ago
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read numerous classic papers of systems design. I enjoyed and learned a great deal from many of these papers, but one that paper that has stuck with me in particular was Saltzer et al’s...
Computer Ads from...
Apple IIe and IIc Design Manager Peter Quinn Interviewed by BYTE's Gregg Williams
A behind-the-scenes look at the development of the Apple IIe and IIc.
10 months ago
A behind-the-scenes look at the development of the Apple IIe and IIc.
Applied Cartography
buttondown.com/alternatives
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools...
2 weeks ago
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools to be. There is a ton of room in these markets for healthy and friendly competition — and no need at all for winner-take-all or monopolist attitudes.
First off — credit where it's...
Willem's Blog
Go Viral on X
Learn how to go viral on X using simple logic in creating engaging posts.
a month ago
Learn how to go viral on X using simple logic in creating engaging posts.
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024
I probably shouldn’t have written down my notes on the eGPU setup I had years ago.
I’d be lying if I...
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago.
I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later.
Oops.
I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
Simply Explained
Retrospective: My Fifth Year on YouTube
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Buck on Software
23 things you should know
1: Management’s true confidence is reflected in how fast they are hiring
over a year ago
1: Management’s true confidence is reflected in how fast they are hiring
Jonas Hietala
Motivation is Valuable
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Willem's Blog
Backup Rotation Scheme
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync,...
a year ago
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync, creating and maintaining multiple recovery points from your backups.
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...
Engineers Need Art
Move Fast and Abandon Things
For every shareware game I released in the 1990's, another four were partially written but put aside...
3 months ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
3 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong.
Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood).
Zero drive failures in ten years, how is that...
Vitalik Buterin's...
STARKs, Part 3: Into the Weeds
over a year ago
Arduino Blog
KiPneu makes soft robotic biomimetics accessible to STEAM students
Biomimicry, which is a method for developing new technology inspired by nature, has been one of...
5 months ago
Biomimicry, which is a method for developing new technology inspired by nature, has been one of humanity’s greatest assets. But systems reliant on soft tissue, such as an octopus’s tentacles, have been notoriously difficult to reproduce in the robotics world. To give STEAM...
Willem's Blog
Linking Lemmid Store with kitchens
Designing backend servers to connect with external services is challenging as you need to take into...
over a year ago
Designing backend servers to connect with external services is challenging as you need to take into account unreliability and unpredictability.
anderegg.ca
Playing with the Bluesky firehose
Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver...
a month ago
Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver a JSON based firehose of atproto data. Here’s an overview of the simple project I built with that data.
I was inspired by a post from Simon Willison where he showed off a tool for...
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33...
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
Ian's Blog
What the heck is OCSP?
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web...
over a year ago
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web browser) to check if a certificate has been revoked or not.
Certificate Revocation?
With asymmetrical encryption, your encryption is only as good as long as your private key remains...
Matt Mullenweg
UH Magazine, Revisiting My Alma Mater
My father attended University of Houston, and it’s where I went to college to study political...
2 weeks ago
My father attended University of Houston, and it’s where I went to college to study political science, I started WordPress when there, and then dropped out after two years to move to San Franisco. It was fun seeing UH Magazine feature an article about my journey from a University...
Opsbros
Nix Windows Feedback
There turns out to be a far easier way to disable the 'Win+F' Windows Feedback app.
over a year ago
There turns out to be a far easier way to disable the 'Win+F' Windows Feedback app.
computers are bad
2023-07-15 underwater ears everywhere
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet...
a year ago
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet another case of "forgot to enable the systemd unit").
It's fixed now. The unsubscribe link was also broken and is now fixed but,
you know, maybe that was a feature. Did wonders for...
Notes on software...
Surveying SQL parser libraries in a few high-level languages
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.
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
Calling closures in a Vec
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs:...
over a year ago
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs: Vec<||> = Vec::new();
fs.push(|| { println!("imma firing my lazer"); });
for f in fs.iter() {
f(); // error: expected function but found `&||`
};
Maybe if we borrow...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
8 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO). Known for...
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
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough.
The apt-get install debian-zfs command would just hang.
I noticed a...
Notes on software...
A minimal REST API in Java
There's a style of Java that is a joy to write. This post will cover
how to set up a basic...
over a year ago
There's a style of Java that is a joy to write. This post will cover
how to set up a basic PostgreSQL-integrated REST API using
Jersey and
JOOQ in a style not dissimilar to Flask and
SQLAlchemy in Python.
In particular, we'll try to avoid as much runtime
reflection/class-loading...
Notes on software...
Writing a simple JSON path parser
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return...
over a year ago
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return only results in a
list where the a column is an object that contains a
field b that is set to the value 12. What would a
filter(jsonPath, equals, listOfObjects) function...
Willem's Blog
Hospitalised with MCADD
This week our son was hospitalised because a regular illness caused him to keep vomiting, a...
over a year ago
This week our son was hospitalised because a regular illness caused him to keep vomiting, a dangerous situation if you're diagnosed with MCADD.
Notes on software...
Zig, Rust, and other languages
Having worked a bit in Zig, Rust, Go and now C, I think there are a
few common topics worth having a...
9 months ago
Having worked a bit in Zig, Rust, Go and now C, I think there are a
few common topics worth having a fresh conversation on: automatic
memory management, the standard library, and explicit allocation.
Zig is not a mature language. But it has made enough useful choices
for a number...
Computer Ads from...
Black Friday - Happy Birthday sale
Let's mix things up!
a month ago
Willem's Blog
Flying in a C47-A (DC-3) classic plane
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received,...
over a year ago
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received, experiencing aviation history unlike anything else!
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a...
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a better adapter like the
Intel Dual Band Wireless-AC 7260,
and found that Bluetooth is not working as intended on your ThinkPad T430
running Linux?
Here’s a guide on what you can...
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing.
You can see this for...
seangoedecke.com RSS...
What can strong engineers do that weak engineers can't?
Right now people are blowing up on Twitter about whether the USA needs to import top talent from...
a week ago
Right now people are blowing up on Twitter about whether the USA needs to import top talent from other countries, and if that means that…
somenice
Russet Lake Early Summer
An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was...
3 months ago
An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was still a bit of ice on the lake and the mountain tops are covered with snow. The painting is framed in western red cedar. Russet Lake Early Summer by Andrew SmithAcrylic on canvas10...
Applied Cartography
Fathom
I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly...
4 weeks ago
I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly good reason to do so until the news broke that Paul Jarvis was selling his share of the company to Jack Ellis, the technical co-founder. [1]
Anyway, the two thoughts:
I think Fathom...
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
11 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in...
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in 2012.
It’s not the fastest laptop out there, but it is plenty fast for a number of
tasks, even most software development work.
I also try to keep my machines up to date and properly...
Louwrentius
'Tip of the day for every Linux or Unix user: brace expantion'
Searching the web I discovered some really nice feature of the unix shell,
which I didn't know...
over a year ago
Searching the web I discovered some really nice feature of the unix shell,
which I didn't know about.
Try this:
touch foobar.conf
Now try this:
cp foobar.conf{,.bak}
It is equivalent to:
cp foobar.conf foobar.conf.bak
This is also the easiest way to create sequences. Do not use...
Jonas Hietala
Minor site updates
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Computer Ads from...
OS-9 Bonus Content
A detailed look at OS-9 for Tandy Color Computers
4 months ago
A detailed look at OS-9 for Tandy Color Computers
./techtipsy
Database optimization adventures on low-end hardware
I used to work on a short-term project a while ago where the goal was to visualize some metrics that...
over a year ago
I used to work on a short-term project a while ago where the goal was to visualize some metrics that were collected from
a pretty fancy smart home setup. This data included power usage of various sections of the building, temperature
sensors, water usage levels and more. The data...
Electronics etc…
Measuring the HP 11720A Pulse Modulator and Coax Cables
Introduction
What is a pulse modulator and what are they used for?
The HP 11720A Pulse...
a year ago
Introduction
What is a pulse modulator and what are they used for?
The HP 11720A Pulse Modulator
Inside the HP 11720A
Measurement Setup for a Quick Testing Session
Pin Modulator Power Measurements with HP 432A
Cable Loss Measurements with HP 432A
Cable Power Measurements with...
Posts on Made of...
The Window Manager I Want
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window...
over a year ago
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window managers, going through, over the years, StumpWM, Ion 3, and finally XMonad. They've all had various strengths and weaknesses, but I've never been totally happy with any of them. This...
computers are bad
2024-07-31 just disconnect the internet
So, let's say that a security vendor, we'll call them ClownStrike, accidentally
takes down most of...
5 months ago
So, let's say that a security vendor, we'll call them ClownStrike, accidentally
takes down most of their Windows install base with a poorly tested content
update. Rough day at the office, huh? There are lots of things you could say
about this, lots of reasons it happens this way,...
Jonas Hietala
Microfeatures in my blog
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and...
5 months ago
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and Personal Websites, and together with the related Hacker News discussion I got nerd sniped.
(I spent more time than I care to admit implementing new and exciting microfeatures for...
./techtipsy
I finally found an use case for my Raspberry Pi Model B+
You have probably heard about the Raspberry Pi. It’s a nice little affordable
single-board computer...
over a year ago
You have probably heard about the Raspberry Pi. It’s a nice little affordable
single-board computer with a huge community using it for all sorts of projects.
I got my first Raspberry Pi, the Model B+,
during my first year at university, which was around the winter of...
Notes on software...
One year as a solo dev building open-source data tools without funding
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.
Arduino Blog
This fake CRT TV works using lasers and UV magic
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media...
a month ago
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media was made to suit them. Retro video game consoles in particular look best on CRT TVs. But those old TVs are getting hard to find and desirable models are now quite expensive. So,...
Applied Cartography
Notes on Zed, revisited
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment.
Six months later, I spent a few days using it as my daily...
./techtipsy
What running out of SATA ports looks like
One day I stumbled upon a Craft Computing video
about his new server build, and on the parts list...
over a year ago
One day I stumbled upon a Craft Computing video
about his new server build, and on the parts list was a Sedna PCI Express 2x SATA adapter card:
There are different designs out there, including a 4x SATA card, which is bonkers.
Anyway, I thought that I might as well give this a...
Louwrentius
I resurrected my Dutch movie review site from 2003
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the...
over a year ago
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Odds and Ends of...
Christmas Mailbag!
Is Elon Musk actually smart? Will HS2 ever be properly finished? Do I like Dominic Cummings? And...
2 weeks ago
Is Elon Musk actually smart? Will HS2 ever be properly finished? Do I like Dominic Cummings? And more!
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Arduino Blog
Monitoring the weather with an Arduino MKR WiFi 1010-based station
Being able to monitor the weather in real-time is great for education, research, or simply to...
8 months ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
Louwrentius
Scrub your NAS hard drives regularly if you care about your data
Introduction
Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known...
over a year ago
Introduction
Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known vendors1, or it's a custom build solution (DIY2) based on hardware you bought and assembled yourself.
Buying or building a NAS is one thing, but operating it in a way that assures...
detreville
The IBM 701
"IBM's first computer"
a year ago
Jonas Hietala
Default audio card in linux
There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me.
I had three separate problems:
Getting sound
Playing sound from multiple sources at the same time
Audio card getting different numbers on reboot
Getting sound
Here I...
axio.ms
Mac SE/30 odyssey
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other...
over a year ago
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other members of the original “compact Mac” series, but pack in a ton of interesting features that the other compact Macs don’t have.
This is the story of my journey to getting to the...
Home on Erik...
My issue with GPU-accelerated deep learning
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The...
over a year ago
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The speedup from a GPU is awesome and hard to deny. GPUs have taken over the field. Maybe following the footsteps of Bitcoin mining there's some research on using FPGA (I know very little...
watchTowr Labs
Pots and Pans, AKA an SSLVPN - Palo Alto PAN-OS CVE-2024-0012 and CVE-2024-9474
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been...
a month ago
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been tough for SSLVPN appliances.
Anyhow, there are new vulnerabilities (well, two of them) that are being exploited in the Palo Alto Networks firewall and SSLVPN offering, and as ever,...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
5 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation.
I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different
circuits...
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...
Old Vintage...
Composite and hard reset mods for the Tandyvision One
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
3 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component.
The Mattel Intellivision proper originally hails...
Willem's Blog
Marathon
Read the story of how it feels to complete your first marathon.
2 months ago
Read the story of how it feels to complete your first marathon.
Gwern.net Newsletter
April 2020 gwern.net newsletter
This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
over a year ago
This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we...
2 weeks ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
Computer Ads from...
Lintek Computer Accessories' Paper Tamer
Restore Order (to your printer)
8 months ago
Restore Order (to your printer)
Azad's Blog
Traveling with Apple Vision Pro
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic...
2 months ago
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic device to travel with—Be it by train or by plane, it offers an unparalleled opportunity to selectively tune out your environment and sink into an engaging activity like watching a...
Louwrentius
How to escape file names in bash shell scripts
After fighting with Bash for quite some time, I found out that the following
code provides a nice...
over a year ago
After fighting with Bash for quite some time, I found out that the following
code provides a nice basis for escaping special characters. Ofcource it is not
complete, but the most important characters are filtered.
If anybody has a better solution, please let me know. It works and...
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...
Jonas Hietala
2015 in Review
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university...
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university studies and got a Master in Computer Science.
Discovered a new boardgame love: Android Netrunner.
Finished top 4 in my first Netrunner Store Championship.
Won a small local Netrunner...
Jonas Hietala
An Epic Start
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Odds and Ends of...
I'm pro-assisted dying in principle, but I'm not sure about the proposed law
Is no law better than a bad law?
a month ago
Is no law better than a bad law?
Louwrentius
The downside of 120 Mbit broadband internet
My Dutch ISP Ziggo provides internet access through DOCSIS cable modems. They are now capable of...
over a year ago
My Dutch ISP Ziggo provides internet access through DOCSIS cable modems. They are now capable of providging 120 Mbit downstream and 10 Mbit upstream, for an affordable price.
In a way this is mind boggling. Most people have 100 Mbit home networks that are not capable of handling...
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal:
$ ls .cabal/bin/
xmonad@
But still when I...
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...
Birchtree
X Premium Plus now costs well more than running my own damn Mastodon server
Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge
X has...
a week ago
Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge
X has substantially raised the price of its top-tier user subscription in multiple regions to help bolster the platform’s creator payouts. The increase for Premium Plus came into effect...
Notes on software...
A write-ahead log is not a universal part of durability
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its...
6 months ago
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its long-term data structure durably
to disk before returning to a client. Granted, this is a bad idea! And
granted, a WAL is critical for durability by design in most
databases. But I...
Posts on Made of...
Indices point between elements
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this:
In this post, I want to persuade you to replace that image, or,...
Jonas Hietala
Where's Teddy?
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it...
over a year ago
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it is. Made in about seven days (more likely eight) and I thought it became quite cool.
Where’s Teddy?
How to Play
Your mission is to find teddy and his teddybear friends. The...
./techtipsy
Oops, I published my drafts!
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
10 months ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time
I published my FOSDEM 2024 post.
Oops.
I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Matt Mullenweg
Those Other Lawsuits
It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited...
2 months ago
It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited two people who took care of my Mom—an assistant and one of her dozen nurses—to resign and demand a million dollars each, or they would publish horrible things about her in a lawsuit....
Jonas Hietala
Vacation
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and...
over a year ago
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and not doing anything. Well, I did get my ass kicked in Terra Mystica and I played a bit of Minecraft, but still. We got some nice food and my in-laws and my parents were nice.
I’m...
Old Vintage...
Cracking DesignWare's The Grammar Examiner on the C64
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This...
a year ago
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This weekend I had a reason to.
The Grammar Examiner from 1984, something like a mashup between a board game and Strunk and White's Elements of Style, where you get to edit a fictional...
Louwrentius
Solaris is an obsolete platform
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the...
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the Solaris operating system is obsolete. Solaris can be
considered legacy. Sun was a hardware shop and to sell their hardware, they
needed a great operating system.
Sun had a great...
Notes on software...
Two books I recommend to developers
Originally published on February 1, 2021. The original version
included two books I don't think...
a year ago
Originally published on February 1, 2021. The original version
included two books I don't think are actually so worthwhile. This
list is down to two. I think that's a good thing actually.
These are the books I recommend to developers wanting to improve their
skills as...
Jonas Hietala
Jonas IceCream Stand
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream...
over a year ago
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream Stand
Instructions
It should be pretty self-explanatory, it’s a very simply tycoon game.
Credits
Music:
Eric Maskol
Steve Chatterton
Sound effects:
freesound
Rest:
Me
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library!
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
3 months ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
Louwrentius
Why security is all about defense in depth
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing...
over a year ago
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing could be further from the truth. Keeping your systems up-to-date only protects you against exploits for publicly known vulnerabilities.
Your systems are still not protected...
latest projects -...
3D Model Viewer Improvements
[Software] Unlocking the embedded gimbals
a year ago
[Software] Unlocking the embedded gimbals
seangoedecke.com RSS...
Keep incidents boring
The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
Posts on Made of...
todo.pl ratmenu
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl.
I don’t...
over a year ago
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl.
I don’t use a mac, but I don’t see why linux users shouldn’t get fun toys to. So I hacked up the following two-liner that uses todo.pl and ratmenu to pop up a list of tasks, and mark one...
Louwrentius
Do not buy a hardware RAID controller for home use
Hardware RAID controllers are considered 'the best' solution for high
performance and high...
over a year ago
Hardware RAID controllers are considered 'the best' solution for high
performance and high availability. However, this is not entirely true. Using a
hardware RAID controller might even endanger your precious data.
For enterprise environments, where performance is critical, it is...
Jonas Hietala
Why make games
Why did I start making games? Because I like to play them of course. Think of all the fantastic...
over a year ago
Why did I start making games? Because I like to play them of course. Think of all the fantastic games; Super Mario, Lemmings, Tetris, GTA, The Sims, Counterstrike, Theme Hospital, SimCity and Rollercoaster Tycoon… Damn - when you count them like this you’ll see how many great...
computers are bad
2023-04-27 los alamos - compound to county pt I
This weekend, I found myself staying in Los Alamos for a volunteer role in
which I judge children on...
a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in
which I judge children on the quality of their software. Clearly this is not
the kind of opportunity I would turn down, but I also always take an excuse to
drive back up the hill. I only lived in Los...
Matt Mullenweg
I Voted!
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
./techtipsy
Quest towards energy efficiency part 1: the water heater
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living
arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar
panels, utilizes Home Assistant for automation, supports multiple...
./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...
Construction Physics
Morris Chang and the Origins of TSMC
Book review of the autobiography of Morris Chang.
3 days ago
Book review of the autobiography of Morris Chang.
Willem's Blog
Abandoning my own tablet OS
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro...
over a year ago
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
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...
latest projects -...
Portable Probability Panel
[Misc] Laser-cut Galton board
5 months ago
[Misc] Laser-cut Galton board
Willem's Blog
Whoop strap review: 24/7 wearable sensor
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...
computers are bad
2024-06-08 dmv.org
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually,...
6 months ago
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be
overstated. A more general term is "motor vehicle administrator," used for
example by the American Association of Motor Vehicle...
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a...
over a year ago
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a builtin imperative programming language called
PL/pgSQL. I used to think this language was scary because it has a bit
more adornment than your usual language does. But looking deeper,...
Louwrentius
Bash Shell Function Library (BSFL) released.
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a
library for bash...
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a
library for bash scripts. It provides a couple of functions that makes the
lives of most people using shell scripts a bit easier.
The purpose of this library is to provide pre-build functions for...
Christian Selig
Introducing Juno for Apple Vision Pro
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
11 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
seangoedecke.com RSS...
What kind of work I want
This article is to help recruiters, hiring managers and myself have a better idea of the kind of...
over a year ago
This article is to help recruiters, hiring managers and myself have a better idea of the kind of places I’d like to work. The short version…
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,...
Louwrentius
Lustre and the risk of Serious Data Loss
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm
interested. So I was...
over a year ago
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm
interested. So I was thinking about how you would setup a large, scalable
storage infrastructure. How should such a thing work?
Very simple: you should be able just to add hosts with some bad-ass huge...
Louwrentius
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...
Applied Cartography
Weird test: internal link checking
I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign!
const extractInternalLinks = (content: string): string[] => {
// Check for internal links only, in the form of [text](/path).
const...
Good Enough
TIL: Easily Support Gravatars in Rails
We’re building some software where we’d like to display avatars for email contacts
even if they...
10 months ago
We’re building some software where we’d like to display avatars for email contacts
even if they aren’t users of our software.
While Gravatar is a relic of Web 2.0,
we’ve found that there are still a significant number of people who have their
email addresses in that...
Notes on software...
Writing to be read
There is a common struggle in the writing and maintenance of
documentation, checklists, emails,...
over a year ago
There is a common struggle in the writing and maintenance of
documentation, checklists, emails, guides, etc. Each provides immense
value; a document may be the key to an important process. The goal is
to remove barriers -- to encourage understanding and correct
application of...
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers.
In fact, they weren't displaying in my own feed reader, which routes through Feedly.
I was sad.
I spent a lot of time troubleshooting this.
Compared our feed with a lot of atom...
Louwrentius
Determining smartphone market share using wireless sniffing
I started a project to see if I could track smartphone users by sniffing for
wifi-clients. Most...
over a year ago
I started a project to see if I could track smartphone users by sniffing for
wifi-clients. Most smartphones support wifi and most people don't bother disabling
wifi when they go outdoors1. If wifi is left on, it is possible to detect these
smartphones and track their movement. To...
Notes on software...
How do databases execute expressions?
Databases are fun. They sit at the confluence of Computer
Science topics that might otherwise not...
a year ago
Databases are fun. They sit at the confluence of Computer
Science topics that might otherwise not seem practical in life as a
developer. For example, every database with a query language is also a
programming language implementation of some caliber. That doesn't
include all...
Jonas Hietala
My first netrunner store championship
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more.
So this Sunday I went to...
computers are bad
2024-08-19 mining for meteors
Billboards
Route 66 is often viewed through the lens of its billboards. The Jack Rabbit
Trading...
4 months ago
Billboards
Route 66 is often viewed through the lens of its billboards. The Jack Rabbit
Trading Post, a small store a few miles out of Joseph City, would hardly be
remembered were it not for its billboards spanning four states. The tradition
of far-advance billboards is still...
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...
Notes on software...
Windows
It has been six years since I last used Windows for any remotely
serious software development. I've...
over a year ago
It has been six years since I last used Windows for any remotely
serious software development. I've used Ubuntu, Arch, or FreeBSD
since. But eventually I spent so much time working around common
workplace tasks that I decided to put Windows 10 Pro on my work
laptop.
Windows...
Vitalik Buterin's...
Travel time ~= 750 * distance ^ 0.6
a year ago
Electronics etc…
Remote Controlling an HP 1670G Logic Analyzer with a Linux PC X Server
Introduction
Reserving a fixed IP address for the logic analyzer
Assign the chosen IP address to the...
a year ago
Introduction
Reserving a fixed IP address for the logic analyzer
Assign the chosen IP address to the logic analyzer
Allow the logic analyzer to access your Ubuntu X server
Configure the X-window Settings on the logic analyzer
Install and declare the HP logic analyzer font...
Willem's Blog
I see dead people
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old...
3 months ago
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old photos into lifelike representations.
Louwrentius
Understanding Ceph: open-source scalable storage
Introduction
In this blog post I will try to explain why I believe Ceph is such an interesting...
over a year ago
Introduction
In this blog post I will try to explain why I believe Ceph is such an interesting storage solution. After you finished reading this blog post you should have a good high-level overview of Ceph.
I've written this blog post purely because I'm a storage enthusiast and I...
Good Enough
TIL: Listen for JavaScript events only once!
A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
Good Enough
Good Enough Marketing: The Preparation
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But...
a year ago
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But that’s a difficult task for us because, honestly, we’re terrible not good at self-promotion. We’d rather spend time making things than talking about the things we’ve made.
We’d...
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
10 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
latest projects -...
Talking Tines
[Concept] Tuning forks that talk
6 months ago
[Concept] Tuning forks that talk
Willem's Blog
From tree to table
Creating a night stand from a raw slab of chestnut wood.
over a year ago
Creating a night stand from a raw slab of chestnut wood.
Notes on software...
SMTP protocol basics from scratch in Go: receiving email from Gmail
I've never run my own mail server before. Before today I had no clue
how email worked under the hood...
over a year ago
I've never run my own mail server before. Before today I had no clue
how email worked under the hood other than the very few times I've set
up mail clients.
I've heard no few times how hard it is to send mail from a
self-hosted server (because of spam filters). But how hard can...
Jonas Hietala
Drawing a self portrait
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m...
over a year ago
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m really slow so I stopped a bit before it really was finished.
Obviously I’d like it to be a bit better, but I’m still a little happy about the glasses and the eyebrows. The mouth...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
8 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the success of the x86 architecture.
The designers of the IBM PC selected...
Good Enough
The Element of Surprise
Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is...
a year ago
Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is best, but rather as a side effect of how we all happened to meet each other. We met remotely, we did not end up all moving into some commune, and so to work together we must work...
Jonas Hietala
Ludum Dare 29 Entry
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally...
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something.
Repository: https://github.com/treeman/LD29. Going for C++ this...
Simply Explained
Year in review: 2022
Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my...
a year ago
Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my YouTube channel and newsletter, but there are personal reflections in here as well. Last year was an off year for me, and I'm gearing up to make up for lost time in 2023.
./techtipsy
So you need some tech tips...
I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 .
I don’t simply get things done,...
over a year ago
I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 .
I don’t simply get things done, I get them done done.
Here’s what I bring to the table:
software development skillset
building useful solutions
monitoring, observability
incident response
I know how to use...
Louwrentius
A 12.48 inch (1304x984) three-color e-paper display by Waveshare
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo...
over a year ago
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo of defective display here.
I'm running a solar-powered blog and I wanted to add a low-power display to show the daily solar 'harvest'1 and maybe some additional information.
So I...
Arduino Blog
You can now run Arduino and MicroPython side-by-side on multi-core microcontrollers
We’re excited to announce a powerful new feature that we have been working on in collaboration with...
7 months ago
We’re excited to announce a powerful new feature that we have been working on in collaboration with the MicroPython team! Starting with the upcoming release (v1.23), MicroPython will offer support for Asymmetric Multiprocessing (AMP) on multi-core microcontrollers, based on the...
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...
3 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...
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,...
Louwrentius
Redhat explains why chroot is not a security feature
I came across this Redhat security blog post that explains why the chroot command has it's uses, but...
over a year ago
I came across this Redhat security blog post that explains why the chroot command has it's uses, but it isn't magic security pixie dust. Running an application from within a chrooted jail or just on a well-configured system would result in the same level of security.
Josh...
Jonas Hietala
Postmortem: MenuCity
Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game.
Let’s start...
Engineers Need Art
Building Quarter-Cab - Phase I
Lets build a simple virtual pinball controller to bring more immersion to your game.
8 months ago
Lets build a simple virtual pinball controller to bring more immersion to your game.
Notes on software...
The case for comments in code
When I first started programming, especially when asked for code
samples, my comments lacked purpose...
over a year ago
When I first started programming, especially when asked for code
samples, my comments lacked purpose and would often duplicate in
English what the code clearly indicated. I knew that "commenting is
good" but as a beginner I had no further insight.
Over time with the help of books...
Notes on software...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a...
over a year ago
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a database/sql driver
In this series we'll write a rudimentary database from
scratch in Go. Project source code is available on
Github.
In this first post we'll build enough of a parser to...
Jonas Hietala
Offset coordinates in Krita with Xinerama
I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want...
over a year ago
I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want to learn how to draw. And what better way to do it than with a drawing tablet, while satisfying my need for new things?
With little experience I boldly set forth and I found a...
csvbase blog
I didn't write any Javascript, and other shortcuts
Getting it done by not doing a lot of it
a year ago
Getting it done by not doing a lot of it
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
Arduino Blog
Ride safer with these DIY bicycle lights
Many people around the world live in cities designed for cars, with bicycle use being a distant...
5 months ago
Many people around the world live in cities designed for cars, with bicycle use being a distant afterthought. That makes cycling dangerous and lights can do a lot to make riding safer. That’s why Giovanni Aggiustatutto designed this DIY system that includes headlights, a...
Jonas Hietala
Swelling with New Shiny Books
So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay!
First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Old Vintage...
Niklaus Wirth dies
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which...
12 months ago
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which was written in UCSD Pascal; the first actual compiler I ever used was Turbo Pascal 5.5 (purloined from a campus NetWare server), and the first actual compiler I ever used on the...
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine
There is something inherently intriguing about submarines that doesn’t seem to apply to other...
5 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
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...
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Simply Explained
Securely access home network with Cloudflare Tunnel and WARP
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to...
over a year ago
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to strengthen the security of my Home Assistant instance. Until now, I have been using Cloudflare's CDN to connect to my HA instance, but that required opening ports on my router and...
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...
Lighthouse Blog
How to manually add content to read it later
7 months ago
Notes on software...
Delightful, production-grade replication for Postgres
This is an external post of mine. Click
here
if you are not redirected.
5 months ago
This is an external post of mine. Click
here
if you are not redirected.
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts.
I firmly believe that it's the role of a system to respect the user's intent.
Construction Physics
What Learning by Doing Looks Like
The evolution of polycrystalline diamond drill bits
3 weeks ago
The evolution of polycrystalline diamond drill bits
Good Enough
Asking the Right Question
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've...
a year ago
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've spread the word enough that there's now a steady stream of new users coming in each day. So, what's next?
Portrait of the author pondering
My first impulse was to answer this...
Computer Ads from...
Page 6 Magazine Interviews the Godfather of Adventure Games, Scott Adams
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
5 months ago
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
Ken Shirriff's blog
Inside the tiny chip that powers Montreal subway tickets
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it...
6 months ago
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens.
The ticket works through a system called NFC, but what's happening internally?
How does the ticket work without a battery? How does it communicate with the turnstile?
And how can it...
computers are bad
2023-02-17 something up there pt II
As we discussed previously,
the search for UAP is often contextualized in terms of the events of...
a year ago
As we discussed previously,
the search for UAP is often contextualized in terms of the events of 2017:
the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow
and Tom DeLonge. While widely publicized, these programs seem to have lead to
very little. I...
Willem's Blog
Improve your sleep by blocking light
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
over a year ago
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
2 months ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
Computer Ads from...
Plus Post: Lobo MAX-80
The Computer Tandy Should Have Built (at least according to the ad).
9 months ago
The Computer Tandy Should Have Built (at least according to the ad).
Simply Explained
Retrospective: 4 years on YouTube
Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate,...
over a year ago
Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate, and set goals for the coming year. This year is no exception. January 13th, 2020, marks my fourth year on YouTube. Time to do a little retrospective.
Applied Cartography
November, 2024
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved,...
3 weeks ago
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved, without fanfare or closure) cough and a dearth of time to write as I started to explore easing back into full-time work.
Still, some writing (and selfishly, I'm excited to end the...
Old Vintage...
So thieves broke into your storage unit - again
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All...
2 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
Push to Prod
When Things Are Slow, Look for Queues
When your system is slower than desired, queues are often heavily involved. Here's an overview of...
4 months ago
When your system is slower than desired, queues are often heavily involved. Here's an overview of the most common situations.
watchTowr Labs
IBM QRadar - When The Attacker Controls Your Security Stack (CVE-2022-26377)
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide...
8 months ago
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide range of enterprise software stacks.
In addition, we've seen surreptitious and patient threat actors light our industry on fire with slowly introduced backdoors in the XZ...
Home on Erik...
Everything I learned about technical debt
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover...
over a year ago
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover that. Instead, I will talk a little bit about technical debt.
The concept of technical debt always resonated with me, partly because I always like the analogy with “real” debt.
Jonas Hietala
First impressions of Pollen
After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it.
What I like
The first thing I really like is Pollen enables...
Jonas Hietala
Friend of the Tree
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Louwrentius
Script that shows relevant disk information
I wrote a small Python script called 'showdisks' that displays relevant information about any...
over a year ago
I wrote a small Python script called 'showdisks' that displays relevant information about any physical storage devices supported by hdparm.
Information such as model and capacity are shown, but also controller and device path.
This script only requires python and hdparm.
I hope...
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by...
12 months ago
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by Orthogonal Demodulation
Misc
Introduction
While researching a DSP related topic, Google dug up an excellent article,
written by Hideo Okawara, that is just one part of a series of ~53. I...
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.
Applied Cartography
Bozos
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple:
No Bozos....
2 months ago
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple:
No Bozos. Simple policy. No exceptions. You know it when you see it.
Every founder has a story about the time that they ignored the red flags and bent over backwards for a particularly...
Lars Lofgren
What Happened After I Outed a Reddit Mod for Affiliate Spam
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate...
3 months ago
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate spam. It’s reddit marketing gone awry. The post blew up and got a decent amount of attention. Then I got a front row seat to how deep of a spam filled porta-potty Reddit has become....
anderegg.ca
How decentralized is Bluesky really?
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
a month ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece.
The article is long, but very much worth a read. From the conclusion:
Bluesky is built by good people who care, and it is providing...
seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
Good Enough
TIL: Blocking Password App Autocomplete on Form Fields
I wanted to disable password managers, particularly 1Password, from interacting with a username...
a year ago
I wanted to disable password managers, particularly 1Password, from interacting with a username field in Contact Me. It was pretty simple in the end:
<%= form.text_field :username, "data-lpignore": true, "data-1p-ignore": true %>
Reference: 1Password, Lastpass.
Home on Erik...
The lane next to you is more likely to be slower than yours
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any...
over a year ago
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any Faster
The article describes a phenomenon unique to traffic where cars spread out when they go fast and get more compact when they go slow.
Avestura's Blog
How to change visibility in massive GitHub organizations like EpicGames?
How to publicize and un-publicize your visibility in massive GitHub orgs?
over a year ago
How to publicize and un-publicize your visibility in massive GitHub orgs?
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz?
Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Old Vintage...
Commodore does the iPad "crush" concept right ... in 1985
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little...
7 months ago
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little weird. They should have simply done what Commodore did for the C128 — ironically, competing with the Apple IIc. Notice the emphasis on audio and sound, plus the Commodore 64 perched...
Jonas Hietala
Site restyle and update
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s...
over a year ago
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s Practical Typography. It’s free and there’s a section Typography in ten minutes if you want the important bits.
He makes a pretty good case for why it matters when he points out the...
Applied Cartography
Stripe Sessions 2024
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
9 months ago
Applied Cartography
Keeping a technical edge
Someone emailed me in response to Two years as an independent technologist, in which I wrote:
I miss...
4 months ago
Someone emailed me in response to Two years as an independent technologist, in which I wrote:
I miss of being at a large company, which is dealing with deeply cutting-edge technical problems, but my ability to analyze information, make decisions, and perform at a high-level has...
Engineers Need Art
Soft Dorothy Software — Shareware Projects
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
4 months ago
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
Computer Ads from...
Small Systems Engineering's PETSPEED
Fast Enough for the Human Race
5 months ago
Fast Enough for the Human Race
Neil Madden
Multiple input MACs
When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Gwern.net Newsletter
February 2021 Gwern.net Newsletter
links on AI scaling, semaglutide, and ethicist ethics
over a year ago
links on AI scaling, semaglutide, and ethicist ethics
somenice
CBC Spark with Nora Young
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Home on Erik...
What can startups learn from Koch Industries?
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago.
Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Jonas Hietala
Tufte style sidenotes and marginnotes in Pollen
When evaluating Pollen I complained about markdown/pandoc’s lack of sidenote handling. I have solved...
over a year ago
When evaluating Pollen I complained about markdown/pandoc’s lack of sidenote handling. I have solved it for Pollen but felt it deserved it’s own post.
A caveat: I generated Tufte CSS style sidenotes and marginnotes which made it more complex than if I had simply generated...
Applied Cartography
Vibes and years
XH asks:
How do indie developers/small teams keep track of and prioritize long-term roadmaps?
I've...
10 months ago
XH asks:
How do indie developers/small teams keep track of and prioritize long-term roadmaps?
I've been basically work off my gut + Feeling of the Day for the past few years, and that's getting a bit unsustainable
Buttondown's roadmapping has existed for the past three years in a...
Vitalik Buterin's...
Review of Optimism retro funding round 1
over a year ago
Abort Retry Fail
The History of the IBM 5100
IBM's First Personal Computer
a year ago
IBM's First Personal Computer
Willem's Blog
Increase traffic to your blog with a RSS feed
Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value....
over a year ago
Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value. Read about the "how" and "why" in this post.
Jonas Hietala
Focusing Attention: Study Hacking
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my...
over a year ago
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my part.
But the past is the past and this week I’m going to be study focused. Not that I need to study, but I really need to rework my study technique. I’ve been going on like a classical...
Willem's Blog
Scalable application design without magic
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Posts on Made of...
What's with ML software and pickles?
I have spent many years as an software engineer who was a total outsider to machine-learning, but...
a year ago
I have spent many years as an software engineer who was a total outsider to machine-learning, but with some curiosity and occasional peripheral interactions with it. During this time, a recurring theme for me was horror (and, to be honest, disdain) every time I encountered the...
Applied Cartography
You should build this:
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that...
2 months ago
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that I'd like to build. This was a good idea and useful in its own right (I got a few people to build companies and projects based on them, and it was a useful avenue by which folks...
Willem's Blog
Health and fitness data
Exploring the balance between health data and intuition, this blog post delves into how personal...
11 months ago
Exploring the balance between health data and intuition, this blog post delves into how personal well-being and fitness goals shape our relationship with technology and self-awareness.
Willem's Blog
Optical vs chest strap heart rate monitors
Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
over a year ago
Understanding the differences in common HR monitors used in wearables, smartwatches and fitness trackers
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.
5 months ago
In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
Willem's Blog
Impact of training
Join me on an intriguing journey as I explore the transformative impact of effective training and...
a year ago
Join me on an intriguing journey as I explore the transformative impact of effective training and data analysis on my performance in the Fietselfstedentocht 2023.
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