GitButler
Git Merge 2024
GitButler is organizing the 2024 Git Merge conference, Sep 19/20 in Berlin!
5 months ago
GitButler is organizing the 2024 Git Merge conference, Sep 19/20 in Berlin!
Jonas Hietala
Ludum Dare 22 Timelapse
Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E.
https://www.youtube.com/watch?v=eoKDyhxCVm0
This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Applied Cartography
You gotta be able to taste the kool-aid
Cognition, a six-month-old startup in the AI coding space just raised $175m at a $2b...
8 months ago
Cognition, a six-month-old startup in the AI coding space just raised $175m at a $2b valuation:
Despite the skepticism surrounding Devin’s launch, the AI coding assistant has shown promising results. According to the SWE-Bench benchmark, which evaluates AI models on software...
Matt Blewitt
Unreasonably Effective Patterns
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data...
over a year ago
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data services. This post explores three patterns used to reduce operational burden and increase system safety and resiliency: state machines (and associated state-transition tables),...
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...
a week 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
Yazin Alirhayim
The best bank in Bahrain … is Meem
Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking...
over a year ago
Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking to those of you that read my last post that ripped the Meem app to shreds.
Criteria for ‘best bank’
My criteria for “best bank” isn’t the best user experience or customer support....
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
2 months ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Willem's Blog
Is the Apple Watch the modern tool watch?
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
over a year ago
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Louwrentius
Achieving 220 MB/s network file transfers using Linux Bonding
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers....
over a year ago
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers. My solution is to use multiple gigabit network cards and use Linux interface bonding to create virtual 2 gigabit network interfaces. The solution is to use mode 0 or round robin...
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Arduino Blog
Discover #Virgil: history comes to life with Arduino
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino...
2 months ago
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino technology with a passion for history, creating a groundbreaking interactive experience for museums. Using Arduino’s versatile and scalable ecosystem, #Virgil operates completely...
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.
9 months ago
A behind-the-scenes look at the development of the Apple IIe and IIc.
Notes on software...
Notes on running Electron
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.
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.
./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...
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...
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...
10 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...
Ian's Blog
Having a Website Used to Be Fun
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
a month ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
seangoedecke.com RSS...
Blockchain for beginners
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making...
over a year ago
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making distributed crypto-currencies like Bitcoin…
Home on Erik...
Snakebite
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf.
Spotify's developer blog features a nice blog post outlining what...
Applied Cartography
October, 2024
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought):
On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
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.
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
4 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
Good Enough
TIL: Use touch-action: manipulation; to avoid double-tap-to-zoom
Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and...
a year ago
Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and they’ll print out on our little printer. It’s quite lovely and fun, and you should send us a doodle. We might also have more in store for these printers in the future.
In the...
Willem's Blog
Rescuing photos from a crashed iMac
This week I attempted to recover two decades of personal photo history from a crashed iMac.
over a year ago
This week I attempted to recover two decades of personal photo history from a crashed iMac.
Electronics etc…
Symmetricom 58532A GPS Antenna Supply Voltage Mod
The Symmatricom 58532A
Opening up the 58532A
Voltage Regulation
Result
What about the other 58532A...
9 months ago
The Symmatricom 58532A
Opening up the 58532A
Voltage Regulation
Result
What about the other 58532A variant?
References
The Symmatricom 58532A
As part of a package deal, I got my hands on a Symmetricom 58532A L1
GPS antenna.
Microchip, which acquired Symmetricom in 2013, doesn’t...
Good Enough
TIL: Overriding Permalink Generation in FriendlyId
FriendlyId is a helpful Ruby gem that streamlines
creating permalinks and slugs for Rails...
3 months ago
FriendlyId is a helpful Ruby gem that streamlines
creating permalinks and slugs for Rails applications. In Pika we're using it to help with
generating permalinks for blog posts and pages as well as slugs for tags. When a customer
wrote in with a request to modify the behavior of...
./techtipsy
How I treat my urge to hoard data
The tagline for /r/datahoarder reads:
“It’s A Digital Disease!”. I agree.
At some point I realized...
over a year ago
The tagline for /r/datahoarder reads:
“It’s A Digital Disease!”. I agree.
At some point I realized that the pursuit to hoard all the things will just keep
on consuming more and more of my time and money. Storage is cheap up until to a
point, once you find yourself tracking hard...
Arduino Blog
Exploring fungal intelligence with biohybrid robots powered by Arduino
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking...
a month ago
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking research that brings together the fields of robotics, biology, and engineering. Their recent experiments, published in Science, explore how fungal mycelia can be used to control robots....
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...
Home on Erik...
Machine, Platform, Crowd
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters.
Ok, I lied a little bit. I didn't discover it serendipitously.
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
Notes on software...
Writing a SQL database from scratch in Go: 3. indexes
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions and WHERE filters
4. a database/sql driver
In this post, we extend gosql
to support indexes. We focus on the addition of PRIMARY
KEY constraints on table creation and some easy...
Matt Blewitt
Thoughts on User Safety: 2
Following up from last time, let’s explore the internal and insider fronts when moving beyond...
over a year ago
Following up from last time, let’s explore the internal and insider fronts when moving beyond security towards safety for our users.
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
computers are bad
2024-07-13 the contemporary carphone
Cathode Ray Dude, in one of his
many excellent "Quick Start" videos, made an interesting observation...
5 months ago
Cathode Ray Dude, in one of his
many excellent "Quick Start" videos, made an interesting observation that
has stuck in my brain: sophisticated computer users, nerds if you will, have
a tendency to completely ignore things that they know are worthless. He was
referring to the...
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...
Good Enough
Fixing Things
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Jonas Hietala
Faster than Light
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came...
over a year ago
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came out and I played it only in passing, but this weekend I played it a ton.
Aaahh a new beginning in FTL. Will it be death once more
I generally don’t like games where you have to...
Home on Erik...
Google diversity memo, global warming, Pascal's wager, and other stuff
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple...
over a year ago
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple of weeks ago. I think the case for any biological difference is pretty weak, and it bothers me when people refer to an “interest gap” as anything else than caused by the...
Jonas Hietala
Getting Comfortable
So I physically built the computer and now I’ve been using it a while, configuring stuff and getting...
over a year ago
So I physically built the computer and now I’ve been using it a while, configuring stuff and getting used to my new screens. I think they’re about three times wide as my old laptop and now I have this one huge vertical space which is absolutely wonderful for surfing forums and...
Notes on software...
SQLite in Go, with and without cgo
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 frighteningly realistic animatronic head features expressive silicone skin
The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of...
a week ago
The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of ways. Some of that is utilitarian — your jaw muscles are good for chewing, after all. But a lot of it seems to be the result of evolution giving us fantastic non-verbal...
Home on Erik...
Where do locals go in NYC?
One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious...
over a year ago
One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious about the larger patterns around this, so I spent some time looking at data. The thing I wanted to understand is: what areas are dominated by tourists?
Construction Physics
How Good Are American Roads?
We’re in an era where US infrastructure is getting a lot of attention.
a month ago
We’re in an era where US infrastructure is getting a lot of attention.
Opsbros
WiFi Binary Clock
Who doesn't love a classic Binary Clock? I remember getting one of these when I was in my 20's from...
over a year ago
Who doesn't love a classic Binary Clock? I remember getting one of these when I was in my 20's from ThinkGeek, and it was pride of place on my desk. LED's are a thing of beauty.
Jordan’s Substack
Coming soon
This is Jordan’s Substack.
a month ago
This is Jordan’s Substack.
Lighthouse Blog
Updates September 9: Feed finding
3 months ago
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The...
over a year ago
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Arduino Blog
Marble art madness from a marvelous machine
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all...
2 months ago
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all sorts of neat colors. That last characteristic makes them suitable for artwork, like orbicular pixels. In his most ambitious project to date, Engineezy took advantage of those...
Home on Erik...
Luigi talk tomorrow
At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed –...
over a year ago
At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed – check out the meetup web page for a link tomorrow.
Simply Explained
Preventing Cumulative Layout Shifts with lazy loaded images (Eleventy + markdown-it)
There's nothing more annoying than a website shifting down just as you're about to click on a button...
over a year ago
There's nothing more annoying than a website shifting down just as you're about to click on a button or link. This is called a layout shift, and Google has declared war on them. They've added layout shifts to the Core Web Vitals, and if your website has a lot of them, it will get...
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP...
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP connection.
UPDATE July 2011
Due to hardware problems, I was not able to achieve transfer speeds
beyond 150 MB/s. By replacing a network card with one from another
vendor (HP...
Louwrentius
'Linux: using disk labels to counter storage device name changes'
My router decided to change the device name for some USB storage devices. So
/dev/sdc was swapped...
over a year ago
My router decided to change the device name for some USB storage devices. So
/dev/sdc was swapped for /dev/sdd and vice versa. The result was some file
system corruption on /dev/sdc, because it was used on a remote system through
iSCSI, using a different file system from...
Bryan Braun - Blog
Links #10
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast...
4 months ago
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast guest. It puts you in the shoes of a podcaster, showing you what they need, and how you can be a “sure thing” for them. As usual, there are no short cuts. You gotta do the work!
A...
Abort Retry Fail
The History of Microsoft Encarta
Searchable Human Knowledge
a year ago
Searchable Human Knowledge
Home on Erik...
Presentations about Spotify music recommendations
A couple of people in my old team have been around talking about how Spotify does music...
over a year ago
A couple of people in my old team have been around talking about how Spotify does music recommendations and put together some quite good presentations.
First one is Neville Li's presentation about Scala Data Pipelines @ Spotify:
Louwrentius
The Raspberry Pi 5 is no match for a tini-mini-micro PC
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable...
6 months ago
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable computer. An ideal home server. Until the Pi 4, the Pi was not that capable, and only with the relatively recent Pi 5 (fall 2023) do I feel the Pi is OK performance wise, although...
Neil Madden
The square roots of all evil
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
2 weeks ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
./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...
Posts on Made of...
Regular Expression Search with Suffix Arrays
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had...
over a year ago
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had worked, using a trigram index.
By that point, I’d already implemented early versions of my own livegrep source-code search engine, using a different indexing approach that I...
Home on Erik...
What is your motivation?
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Home on Erik...
I don't want to learn your garbage query language
This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
Willem's Blog
Monolithic vs Microservices software architecture
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn...
over a year ago
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn about choosing the right architecture for your app development
Arduino Blog
5 ways to use Arduino with kids
One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Jonas Hietala
Coconut Cauliflower Curry Mash
It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with,...
over a year ago
It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with, but a simple salad had to do:
It was okay. Girlfriend gave it 5/10 and I gave it a 6/10, a higher rating would be possible if there was something else to eat it with.
Arduino Blog
DIY ECU controls Honda Insight’s Kubota diesel engine
The Honda Insight was the first hybrid car released in North America and Honda put serious effort...
6 months ago
The Honda Insight was the first hybrid car released in North America and Honda put serious effort into making it as efficient as was practical at the time. That meant aerodynamic streamlining, which is why the first-generation Insight had very distinct covers over the rear...
Construction Physics
How We Got the Lithium-ion Battery
It took decades of research, performed around the world, before a practical lithium-ion battery was...
3 weeks ago
It took decades of research, performed around the world, before a practical lithium-ion battery was possible.
Birchtree
Everything is a reaction, nothing is forever, and everything comes back (members post)
Why nothing stays popular forever.
2 weeks ago
Why nothing stays popular forever.
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
6 months ago
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
Jonas Hietala
Going to University
I mentioned in the last post that I’m going to the university, which might explain my lack of...
over a year ago
I mentioned in the last post that I’m going to the university, which might explain my lack of activity here and for that I’m sorry. It’s not as hard as I had imagined, and I don’t have that much in school but there’s still a lot that’s going on. For example now how to make...
Home on Erik...
On the Equifax breach and how to really prevent identity theft
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
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...
Christian Selig
A free, 3D printable Meta Quest 3 stand
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I...
8 months ago
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I designed in Fusion 360 with the goal of being visually appealing and compact as it stored the headset vertically so it wouldn’t take up too much space on your desk.
Turns out there were...
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...
./techtipsy
The hidden media play/pause/stop keys on the Lenovo ThinkPad L390 Yoga
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This...
7 months ago
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This included the media playback control keys.
On the ThinkPad T430, the new chiclet keyboard layout moved the media keys to
the function row. Still there, but less convenient to access.
The...
Vitalik Buterin's...
Should there be demand-based recurring fees on ENS domains?
over a year ago
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
Neil Madden
When a KEM is not enough
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation...
over a year ago
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation mechanism is given the recipient’s public key and outputs a fresh AES key and an encapsulation of that key that the recipient can decapsulate to recover the AES key. In this post I...
Lars Lofgren
CNN and USA Today Have Fake Websites, I Believe Forbes Marketplace Runs Them
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had...
2 months ago
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had agreements with CNN and USA Today? And that Forbes Marketplace was stuffing those sites full of affiliate content just like it is with Forbes? And what if Forbes Marketplace went to...
Jonas Hietala
Let's build a VORON: Wrap-up
It’s finally done™.
I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
9 months ago
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...
Style over Substance
Create a Hue-compatible DIY LED light sculpture
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art,...
over a year ago
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art, using cheap LED strips and DIY parts you can order online.
The post Create a Hue-compatible DIY LED light sculpture appeared first on Style over Substance.
Louwrentius
Script that shows ETA of RAID rebuild / reshape
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time...
over a year ago
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time telling you when the RAID rebuild / reshape is finished.
This is the link to the correct version of the script.
Example:
debian:~# ./raid-rebuild-eta.sh
Estimated time of finishing...
Jonas Hietala
The great Hochstapler
Hey there. A lot has happened lately since my last update and my last game here.
I’m now a pretty...
over a year ago
Hey there. A lot has happened lately since my last update and my last game here.
I’m now a pretty happy student at Linköpings university and I’m reading something similar to Computer Science or Computer engineering, but I guess it’ll become whatever you make it to be. For...
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...
Computer Ads from...
Maxell's MF 2-DD Floppies
The Gold Standard
3 weeks ago
anderegg.ca
The trouble with openness
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
3 weeks ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time.
One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!)
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Applied Cartography
Projects are things with steps
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked...
a month ago
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked so frequently that I decided to write about it.
Why is “Get mom a birthday present” a project and not a task?
GTD is very orthodox in what a “project” is: it’s anything that:
you...
seangoedecke.com RSS...
How I ship projects at big tech companies
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to...
a month ago
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to lead new ones when it’s important to get…
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp
Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
Birchtree
2 weeks to go and I don't think I'll have to eat that AirPod
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction...
5 days ago
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction that "[b]efore the end of the year, I have no doubt Apple’s AI features—especially what’s coming in 18.2—will become
Good Enough
Season 1, Issue 1: The Loneliest Number
1. Confirmed Positive
After two years of running from reality, it has finally happened for my...
over a year ago
1. Confirmed Positive
After two years of running from reality, it has finally happened for my family. I have tested positive for SARS Coronavirus-2, the virus that causes COVID-19. For this honor, I would like to thank our society’s collective tiring of virus mitigation. It truly...
Jonas Hietala
Long Term Goals (part 2)
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have:
Write my own Programming Language
Why? Because it sounds fun and epic as hell.
Write a Book
So I like books and I like to collect them and I have my whole bookcase...
Louwrentius
The future of ZFS now that OpenSolaris is dead
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very...
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very popular and very advanced Zetabyte File System (ZFS)
The only open source platform that actively supports ZFS is FreeBSD. And they
just 'copied' the code from OpenSolaris. Are they...
Vitalik Buterin's...
From prediction markets to info finance
a month ago
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...
Engineers Need Art
VPX Scripting - Part 5 (DOF)
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
Louwrentius
Visual representation of hard drives and their temperature
If you build a NAS with many drives, it may be of interest to you which
drives get hot and where...
over a year ago
If you build a NAS with many drives, it may be of interest to you which
drives get hot and where they are located in the chassis. My Norco 4020 case
has twenty drives in RAID 6, plus two operating system drives in RAID 1. I
wrote a script that shows me the temperature of each...
./techtipsy
Disk is OK
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of...
over a year ago
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of Midas.
Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for.
Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
computers are bad
2024-09-14 the national warning system
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and...
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and telephone operating companies sold as private
lines. One of the
interesting properties of private line systems is that they can be ordered as
four-wire. Internally, the telephone network...
Willem's Blog
Different ways to visualise health
To better understand how to visualise health I looked at different health/fitness apps and games.
over a year ago
To better understand how to visualise health I looked at different health/fitness apps and games.
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
10 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s.
This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an
example.
Although the chip looks like a tangle of lines at first,
its large...
Jonas Hietala
Monty Hall
I’m currently reading The Drunkard’s Walk, a well written book about probabilities.
There they...
over a year ago
I’m currently reading The Drunkard’s Walk, a well written book about probabilities.
There they discussed the famous Monty Hall Problem. I’ve heard about it before
and I know the answer, but he mentioned a simulation of the problem and that sounded
cool so I made a simulation of...
Vitalik Buterin's...
The bulldozer vs vetocracy political axis
over a year ago
Neil Madden
A few programming language features I’d like to see
I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming...
a year ago
I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming languages. A “microfeature” is essentially a small convenience that makes programming in that language a bit easier without fundamentally changing it. I love this idea. I’m partial to...
Old Vintage...
The unreleased Commodore HHC-4's secret identity
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one...
a month ago
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one and only handheld computer, the Commodore HHC-4. It was never released and never seen again, at least not in that form. But it turns out that not only did the HHC-4 actually exist,...
Willem's Blog
Building a professional 72TB NAS
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Louwrentius
AI is critically important but not for you
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their...
7 months ago
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their future growth on virtual reality. But I'm convinced that virtual reality will never be a mainstream thing. If you ever used VR you know why:
A heavy thing on your head that messes up...
Style over Substance
Using the EZCOO / AVStar HAE118 HDMI2.1 Audio Extractor for PS5/Xbox audio
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out...
a year ago
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out of this console meant we also had to buy a new TV, as our old TV was not 4K-compatible and did not support HDMI2.1, the new A/V standard required to support all of the PS5’s...
Style over Substance
Shooting the Ligero 3D-printed Mamiya Press camera by MaxWanderlush
Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the...
over a year ago
Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the panoramic pinhole Goodman Scura and the MPWide, a modified Fuji Instax Wide 300. The MPWide is a mod by the talented Mario, otherwise known as MaxWanderlush. He has been releasing...
Jonas Hietala
The Coinparty hackathon, take two
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
Jonas Hietala
Postmortem: Jonas IceCream Stand
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it!...
over a year ago
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it! And thanks for the feedback guys, it’s always welcome.
I spent almost exactly fifty hours on this game and that’s by far the most I’ve spent on a 7day project. To be honest it’s...
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Louwrentius
Don't be afraid of RAID
Introduction
I sense this sentiment on the internet that RAID is dangerous, that the likelihood of...
over a year ago
Introduction
I sense this sentiment on the internet that RAID is dangerous, that the likelihood of your RAID array failing during a rebuild is almost a certainty, because hard drives have become so large.
I think nothing is further from the truth and I would like to dispel this...
Arduino Blog
Enhance your IoT dashboards with Arduino Cloud’s new Image widget
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited...
3 months ago
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited to announce a new feature for Arduino Cloud that will allow you to enhance your IoT dashboards: the Image widget. The new Image widget The Image widget is a simple yet powerful...
Jonas Hietala
FTL got a new victim
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone...
over a year ago
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone you’d expect, it’s even someone who said: “What a bad game” when she saw me playing it. But nevertheless this Saturday she played it more than 2.5 hours!
I told Veronica I wanted...
Home on Erik...
More Luigi alternatives
The workflow engine battle has intensified with some more interesting entries lately! Here are a...
over a year ago
The workflow engine battle has intensified with some more interesting entries lately! Here are a couple I encountered in the last few days. I love that at least two of them are direct references to Luigi!
Computer Ads from...
Comics from 1982/02 Creative Computing Mag
Time for some humor
6 months ago
Vitalik Buterin's...
What do I think about biometric proof of personhood?
a year ago
Home on Erik...
Implicit data and collaborative filtering
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings.
While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Opsbros
JSON and PowerShell
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will...
over a year ago
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will allow you to manipulate these objects efficiently.
Louwrentius
Compiling Handbrake CLI on Debian Lenny
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although...
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although the Handbrake GUI version does compile on Lenny, it crashes
with a segmentation fault like this:
Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5
and height...
Willem's Blog
No, I Won't Build That!
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
9 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
Louwrentius
Convert dos file to linux format wit vim
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end...
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end with ^M.
To fix this, you can use the tool dos2unix. If however this tool is not at
your disposal, you may have a problem. If vim is available, you do not have a
problem:
The trick...
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...
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high...
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high bandwidth
As a home user, I'm mainly interested in setting up a high bandwidth link between two servers.
I was using quad-port network cards with Linux Bonding, but this solution has some...
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size....
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size. The format utility will take this stride size into
account when formatting a device. The stride size is the number you get when
you divide the 'chunck' size, as specified with...
Applied Cartography
Pytest: test for print statements
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
5 months ago
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own love of weird tests, I offer a similar concept: a test for finding stray print statements in your codebase, with a ratchet array for stuff to ignore.
import glob
PATH =...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Jonas Hietala
Preventing Firefox from creating Desktop directories
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found...
over a year ago
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found how to turn it off.
Edit ~/.config/user-dirs.dirs...
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Jonas Hietala
Mailto: links with FastMail in Firefox
You can change the application to handle mailto: links in Firefox in Preferences -> Applications....
over a year ago
You can change the application to handle mailto: links in Firefox in Preferences -> Applications. The problem is that you can’t input custom urls and some email providers, like hotmail or fastmail, aren’t supported. I managed to fix it with the plugin MailtoWebmails. It annoys me...
Arduino Blog
This unique wall sconce welcomes you home with warm light
Have you ever walked through your front door after a long day of work and realized that your home...
a week ago
Have you ever walked through your front door after a long day of work and realized that your home just isn’t as inviting as it seems like it should be? While it may not work miracles, some nice and welcoming lighting can make a big difference. That’s why Lauren Palazzi made this...
Home on Erik...
More recommender algorithms
I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization...
over a year ago
I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization algorithm we have used for a while assumes that we have user vectors $$ bf{a}_u $$ and item vectors $$ bf{b}_i $$ .
Simply Explained
Secure Home Assistant Access with Cloudflare and Ubiquiti Dream Machine
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But...
over a year ago
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But how do you safely expose your instance to the internet for remote access?You want to be able to log in from a remote location, but how to keep others out? This post will show how...
Louwrentius
A practical understanding of lead acid batteries
Introduction
The goal of this article is to give you a practical understanding Lead Acid batteries....
over a year ago
Introduction
The goal of this article is to give you a practical understanding Lead Acid batteries. We won't address the underlying chemistry, we'll treat them as a black-box and we will discover their characteristics and how to keep them healthy.
Disclaimer
I'm an amateur. I...
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Push to Prod
Best Questions and Answers to the “Terrifying Netflix Concurrency Bug” Post
Why couldn't we roll back? Weren't we concerned about costs? Why is operating Netflix so...
3 weeks ago
Why couldn't we roll back? Weren't we concerned about costs? Why is operating Netflix so complicated? Plus many others.
Opsbros
Pro-tip for Baristas
If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup,...
over a year ago
If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup, you've definitely come across the issue that when it's 'overfilled' it will overflow when the lid is put back on. There is a
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 4: The Verge
2 months ago
Arduino Blog
An engineer’s journey to bring the ultimate TMJ pain relief tool to market
To the average person, invention and new product development seem like pretty straightforward...
2 months ago
To the average person, invention and new product development seem like pretty straightforward processes; you come up with a killer idea, do the engineering work to cobble together a working prototype, have a truckload of units manufactured, and then sell those to turn a profit....
Louwrentius
The sorry state of CoW file systems
I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks...
over a year ago
I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks and that it may still be a long way off before we have something truly great.
Both ZFS and BTRFS are two heroic feats of engineering, created by people who are probably ten times...
./techtipsy
Testing GPU passthrough on AMD Ryzen 7 5700G APU
Introduction
Before we jump into all the nitty-gritty details, I’d like to go over what we are...
over a year ago
Introduction
Before we jump into all the nitty-gritty details, I’d like to go over what we are dealing with here since these topics
may be unfamiliar to you. VFIO is quite a niche topic and not everyone knows about it.
GPU passthrough: the process of allowing a VM...
Arduino Blog
DexteriSync lets you walk a mile in the gloves of a user with manual disability
Good designers prioritize the user experience — particularly the experience of users with...
a month ago
Good designers prioritize the user experience — particularly the experience of users with disabilities that affect their perception and fine motor skills. A young person without disabilities, for example, may feel that jars are easy to open, while an elderly person with reduced...
Avestura's Blog
Understanding zero-knowledge proofs
What are zero-knowledge proofs, really?
over a year ago
What are zero-knowledge proofs, really?
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit!
With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 months ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Arduino Blog
Exercise while you game with this interactive treadmill add-on
Motion-based controls for games have been around for decades, but even with the latest generation of...
3 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
2 weeks ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version.
In it, there’s a song I really love that plays on the level select screen called Gate of Your...
On Life and Lisp
The Federation Fallacy
Throughout the free software community, an unbridled aura of justified mistrust fills the air:...
over a year ago
Throughout the free software community, an unbridled aura of justified mistrust fills the air: mistrust of large corporations, mistrust of governments, and of course, mistrust of proprietary software. Each mistrust is connected by a critical thread: centralisation.
Thus,...
Ken Shirriff's blog
Interesting double-poly latches inside AMD's vintage LANCE Ethernet chip
I've studied a lot of chips from the 1970s and 1980s, so I usually know what to expect.
But an...
11 months ago
I've studied a lot of chips from the 1970s and 1980s, so I usually know what to expect.
But an Ethernet chip from 1982 had something new: a strange layer of yellow wiring on the die.
After some study, I learned that the yellow wiring is a second layer of resistive polysilicon,...
Construction Physics
Born Sleeping
A personal post about the loss of our son
3 months ago
A personal post about the loss of our son
Willem's Blog
Migrating to the Cloud
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of...
over a year ago
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of cables, cabinets and bandwidth!
Louwrentius
Linode hacked: thoughts about cloud security
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of...
over a year ago
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of existing users regarding the Linode management console.
Resetting passwords is not something you do when under a simple attack such as a DDOS attack. Such a measure is only taken...
Ken Shirriff's blog
Inside an unusual 7400-series chip implemented with a gate array
When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple...
9 months ago
When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple die,
implemented in a straightforward, cost-effective way.
However, when I looked inside a military-grade chip built by Integrated Device Technology (IDT)4
I found a very unexpected...
seangoedecke.com RSS...
Writing good technical explanations
Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise
Ambitious companies form management teams at every level above you,
sometimes including you....
over a year ago
Ambitious companies form management teams at every level above you,
sometimes including you. Management teams meet periodically and have
private chat rooms. They discuss customers, product and organizational
direction. Sometimes discussions are well documented and...
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.
Lighthouse Blog
Updates November 24: Content parsing improvements
a year ago
Willem's Blog
Cutting Cloud Costs
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
Applied Cartography
Notes on buttondown.com
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
3 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made.
As...
Notes on software...
Writing an efficient object previewer for JavaScript
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.
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...
Build a serverless ACID database with this one neat trick (atomic PutIfAbsent)
Delta Lake is an open protocol for serverless ACID databases. Due to
its simplicity, scalability,...
2 months ago
Delta Lake is an open protocol for serverless ACID databases. Due to
its simplicity, scalability, and the number of open-source
implementations, it's quickly becoming the DuckDB of serverless
transactional databases for analytics workloads. Iceberg is a
contender too, and is...
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...
Arduino Blog
A gamified approach to therapy and motor skills testing
For children who experience certain developmental delays, specific types of physical therapies are...
6 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
./techtipsy
No HDMI port on the ThinkPad T430? No problem!
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is...
5 months ago
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is pretty much obsolete at this point
mini DisplayPort connector on the laptop itself
DVI or DisplayPort on a dock
The mini DisplayPort port has annoyed me for as long as I’ve had this...
Arduino Blog
Giving Billy Bass the arti-fish-al intelligence he always deserved
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of...
3 months ago
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of the century, you would have undoubtedly come across a Big Mouth Billy Bass. That’s an animatronic fish that wiggles on a plaque while older, very licensable hit songs play. But...
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...
Matt Blewitt
Building a PostgreSQL Extension, Line by Line
I’ve been working on a particular problem - how to offer logical replication for a very large number...
6 months ago
I’ve been working on a particular problem - how to offer logical replication for a very large number of Postgres databases, where I don’t have the ability (or capacity) to liaise with the users of the databases one-to-one. In order to mitigate some of the limitations, I wanted to...
Willem's Blog
Six months with MCADD
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Abort Retry Fail
The Birth of Windows Gaming
Software is a fluid that expands to fill its container
a year ago
Software is a fluid that expands to fill its container
Posts on Made of...
New reptyr feature: TTY-stealing
Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally...
over a year ago
Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally didn’t know how to solve within the reptyr model. Most annoyingly, reptyr fundamentally only worked on single processes, and could not attach processes with children, making it...
Jonas Hietala
How I did the layout for my self-published book
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version.
I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things.
Web page
I started...
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server.
Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS
IMPORTANT! (update January 2013)
I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Arduino Blog
How makers can use AR and VR
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in...
6 months ago
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in popularity, with the combined market expected to reach $77 billion by 2025, from just $15.3 billion in 2020. For makers, AR and VR represent exciting opportunities to build new...
Louwrentius
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...
Willem's Blog
Born with MCADD
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
Good Enough
TIL: Managing Raspberry Pi software with a bit less pain
For the printer project I'm working on, most of the software behind it runs "in the cloud", but...
a year ago
For the printer project I'm working on, most of the software behind it runs "in the cloud", but there's some software that needs to run beside each printer, to check for new things to print and manage the process of downloading and sending those things to the printer component...
Matt Mullenweg
Disrupt Interview
On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view...
a month ago
On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view the video here: Then yesterday Automattic filed its legal responses to the spurious lawfare from WP Engine, Silver Lake, and Quinn Emanuel. It’s a bit long, but if you have time...
Simply Explained
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux
Many devices in my home have become "smart" over the last couple of months, with one big exception:...
over a year ago
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
Arduino Blog
What if robots could communicate with humans by emitting scents?
Almost all human-robot interaction (HRI) approaches today rely on three senses: hearing, sight, and...
5 months ago
Almost all human-robot interaction (HRI) approaches today rely on three senses: hearing, sight, and touch. Your robot vacuum might beep at you, or play recorded or synthesized speech. An LED on its enclosure might blink to red to signify a problem. And cutting-edge humanoid...
Push to Prod
Metrics Are The Map, Not The Territory
We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
4 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
Willem's Blog
WordPress: 10 tips to secure your website
A lot of people use WordPress to manage their website. Prevent your site from being hacked using...
over a year ago
A lot of people use WordPress to manage their website. Prevent your site from being hacked using this blog post.
Yazin Alirhayim
Getting started with Flutter
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but...
over a year ago
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but those days are long gone.
Even the fundamental reasons for doing so have changed — some sort of compromise between performance and speed to deployment. React Native apps were...
On Life and Lisp
Growing up Alyssa
When I was 10, I came out as transgender. I was a girl and I knew it.
I was one of the lucky...
a year ago
When I was 10, I came out as transgender. I was a girl and I knew it.
I was one of the lucky ones.
After four painful years, I was fortunate enough to access gender-affirming health care. First testosterone blockers. Later estrogen, the stuff my peers soaked in for years while I...
Willem's Blog
Business in a bag
After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
over a year ago
After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
Louwrentius
Why you should not use IPsec for VPN connectivity
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels...
over a year ago
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels Ferguson and Bruce Schneier performed a detailed security analysis of IPsec and that the results were not very positive.
We strongly discourage the use of IPsec in its current form...
Posts on Made of...
A Cursed Bug
In my day job at Anthropic, we run relatively large distributed systems to train large language...
over a year ago
In my day job at Anthropic, we run relatively large distributed systems to train large language models. One of the joys of using a lot of computing resources, especially on somewhat niche software stacks, is that you spend a lot of time running into the long-tail of bugs which...
seangoedecke.com RSS...
I don't know how to build software and you don't either
Are microservices better than monoliths? Should teams set their own technical direction, or is it...
a month ago
Are microservices better than monoliths? Should teams set their own technical direction, or is it better to have that dictated by some…
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
“Catch me if you can!” — How Alvik learns to dodge trouble with AI, featuring Roni Bandini
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make...
3 months ago
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make for an awesome project”? That’s exactly what happened to Roni Bandini, maker, writer, electronics artist – and Arduino Alvik Star! Bandini began coding at 10 years old, and has...
Posts on Made of...
DEF CON
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve...
over a year ago
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve been at the con, and it wasn’t really what I expected. Frankly, I walked away feeling kinda underwhelmed.
Very few of the talks were as technical as I was hoping – they were almost...
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Louwrentius
Did you know that RDP is as insecure as telnet?
Microsoft developed the remote desktop protocol in order to allow remote GUI-
based access to hosts....
over a year ago
Microsoft developed the remote desktop protocol in order to allow remote GUI-
based access to hosts. It is easy to pick on Microsoft and I do respect what
they have accomplished, however, it may not come as a surprise that they did
it all wrong with RDP in terms of security.
By...
Electronics etc…
Zephyr Ravenna Control Board Replacement
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing...
7 months ago
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing Information
Two PCBs - Control Board & Switch Assembly
Switch of the Breaker!!!
Glass Canopy Removal
Duct Cover Removal
Swapping the Control...
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
Louwrentius
Benchmarking cheap SSDs for fun, no profit (be warned)
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now...
a year ago
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
Although cheap SSDs do perform fine regarding reads, sustained write...
Louwrentius
Most Technical debt is just bullshit
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to:
cover up bad code
cover up unfinished work
source1
Calling...
Engineers Need Art
Experiments in Printmaking - Part 1
Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
9 months ago
Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Louwrentius
RAID 5 vs. RAID 6 or do you care about your data?
Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running
10 drives increases...
over a year ago
Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running
10 drives increases the risk of a drive failure tenfold. So often RAID 5 is
used to keep your data up and running if one single disks fails.
But disks are so cheap and storage arrays are getting so...
Willem's Blog
The Problem With Bitcoin
Some thoughts on the long term viability of Bitcoin's rising value.
a week ago
Some thoughts on the long term viability of Bitcoin's rising value.
Jonas Hietala
Giving the blog a facelift
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me:
It wasn’t pretty (even ugly in some parts).
No dark mode support.
Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
computers are bad
2023-02-07 secret government telephone numbers
Very nearly a year ago, I wrote a popular article about secret military
telephone
buttons.
To be...
a year ago
Very nearly a year ago, I wrote a popular article about secret military
telephone
buttons.
To be clear, the "secret" here was a joke and these buttons are in fact well
documented. The buttons I was talking about were the AUTOVON call precedence
buttons, used for a five-level...
Home on Erik...
coin2dice
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago...
over a year ago
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago since I don't believe in puzzles, but I think it's kind of fun.
Let's say you have a function that simulates a random coin flip.
watchTowr Labs -...
Check Point - Wrong Check Point (CVE-2024-24919)
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
6 months ago
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...
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.
Posts on Made of...
Reader/reader blocking in reader/writer locks
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition...
over a year ago
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition queue, all future accesses block behind any in-flight reads. Thus, if any readers hold the lock for extended periods of time, this can lead to extreme pauses and loss of throughput...
Ken Shirriff's blog
Wealth distribution in the United States
Forbes recently published the Forbes 400 List for 2024, listing the
400 richest people in the United...
2 months ago
Forbes recently published the Forbes 400 List for 2024, listing the
400 richest people in the United States.
This inspired me to
make a histogram to show the distribution of wealth in the United States.
It turns out that if you put Elon Musk on the graph,
almost the entire US...
./techtipsy
How to take down production with a single Helm command
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes,...
8 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes, especially after the time you migrated some services to it.
Everything is calm.
Your pods are running. Your service is up. Business as usual.
You release some minor changes to...
Vitalik Buterin's...
How will Ethereum's multi-client philosophy interact with ZK-EVMs?
a year ago
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...
./techtipsy
Your Wi-Fi might be terrible because of Dynamic Frequency Selection (DFS)
For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5...
a month ago
For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5 GHz one would
suddenly stop working and completely disappear from the available Wi-Fi networks. OpenWRT upgrades also didn’t improve
the situation. This was very annoying.
After...
Willem's Blog
Designing and implementing a (micro) payment system
Designing and implementing a micro payment system with an emphasis on simplicity. Read about how I...
over a year ago
Designing and implementing a micro payment system with an emphasis on simplicity. Read about how I did it in this post.
Jonas Hietala
Minecraft Server Hosting
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
Jonas Hietala
The I'm Great quote
A new semester at the uni and so far it looks promising; I got a hold of some new books even though...
over a year ago
A new semester at the uni and so far it looks promising; I got a hold of some new books even though the bookstore had a snakelike queue similar to the Jörmungandr (the snake that encircled the earth in nordic mythology) and our new programming course started. This time it’s Ada’s...
Matt Blewitt
A Love Letter to Giant Robots
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first...
6 months ago
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first exposure to them was probably through 1994’s BattleTech animated series, where Adam Steiner piloted an AXM-2N Axman, in its frankly ridiculous neon green and purple paint job. And from...
Willem's Blog
Developing a native iOS app
How hard can it be to build your own cycling and running workout tracker app using native code with...
7 months ago
How hard can it be to build your own cycling and running workout tracker app using native code with some help from AI? Read along to find out!
Arduino Blog
Explore two ways to white label with Arduino Cloud
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan...
7 months ago
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan users to white label their workspace and enhance the overall user experience. This announcement is exciting because it empowers businesses to create a truly tailored environment...
./techtipsy
About the time I used Google Drive as a CMS for a web app
Near the beginning of my software development career, I worked on a pretty
standard web application....
over a year ago
Near the beginning of my software development career, I worked on a pretty
standard web application. The project was not a commercial success, but it did
give me a good technical foundation that turned out to be very useful for my
career so far.
For those interested, the tech...
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....
computers are bad
2023-10-15 go.com
Correction: a technical defect in my Enterprise Content Management System
resulted in the email...
a year ago
Correction: a technical defect in my Enterprise Content Management System
resulted in the email having a subject that made it sound like this post would
be about the classic strategy game Go. It is actually about a failed website.
I regret the error; the responsible people have...
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...
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...
Arduino Blog
Team Ikaro scores success with the Arduino Nano RP2040 Connect!
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in...
3 months ago
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in Rome, sharing a strong passion for electronics and turning heads in the world of robotics! Specializing in Soccer Lightweight games (where robot-soccer players compete to score goals...
Posts on Made of...
Why scons is cool
I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Willem's Blog
Designing an interface for a food ordering page
Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
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.
computers are bad
2024-02-11 the top of the DNS hierarchy
In the past (in fact two years ago, proof I have been doing this for a while
now!) I wrote
about
the...
10 months ago
In the past (in fact two years ago, proof I have been doing this for a while
now!) I wrote
about
the "inconvenient truth" that structural aspects of the Internet make truly
decentralized systems infeasible, due to the lack of a means to perform
broadcast discovery. As a result,...
Louwrentius
Fio-plot: creating nice charts from FIO storage benchmark data
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
over a year ago
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below.
The github project page explains how to run this tool.
Fio-plot also includes a benchmark script...
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...
computers are bad
2024-09-08 private lines
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs)....
3 months ago
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs). These could be considered an early form of products like
"virtual private ethernet:" a private telephone network that was served by the
same switching machines that handled the...
Applied Cartography
Tailwind black magic: swallowing all pointer events
I wrote two days ago about a real and useful application of Tailwind black magic; here's...
8 months ago
I wrote two days ago about a real and useful application of Tailwind black magic; here's another.
Buttondown has a dropzone component lets folks drag-and-drop items or click on it to get a file-picker. It's used for importing images, archives, CSVs, the works: because it's so...
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...
Implementing a simple jq clone in Go, and basics of Go memory profiling
In this post we'll build a basic jq clone in Go. It will only be able
to pull a single path out of...
over a year ago
In this post we'll build a basic jq clone in Go. It will only be able
to pull a single path out of each object it reads. It won't be able to
do filters, mapping, etc.
$ cat large-file.json | head -n2 | ./jqgo...
Opsbros
Volumer
I've always wanted a good USB volume control, so I decided to design one.
over a year ago
I've always wanted a good USB volume control, so I decided to design one.
Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
Louwrentius
My experiences with DFS replication on Windows 2008 R2
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2.
I've implemented DFS replication to keep two...
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...
Style over Substance
Using the Olympus XA as an everyday carry camera
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […]
The post Using...
Computer Ads from...
Dipco's Easy Reader
"Sight for Sore Eyes"
a month ago
./techtipsy
How to fix ZFS pool not importing at boot
Issue description
You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
Issue description
You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but
after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using
zpool import poolname or zpool import -a.
In...
Louwrentius
Why Debian/Ubuntu Linux is to be preferred
There are many Linux distributions around. However, I always come back to just
one: Debian. The...
over a year ago
There are many Linux distributions around. However, I always come back to just
one: Debian. The reason why so many people use Debian is the same reason I
like it so much: software management. With good old apt-get or the new
aptitude, software is installed within minutes. Due to...
./techtipsy
They make USB-C cables with displays now!
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted...
6 months ago
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted USB-C port. This meant that I had a valid reason to get
a few extra because I didn’t yet have a stockpile of good USB-C cables.
That’s when I found out that there exist cables that...
Jonas Hietala
August theme: Bare Minimum
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next...
over a year ago
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next game. This could really be anything, from graphics to user interaction… But I’ve got an idea. It’ll be a real challange for me to make but hopefully I’ll have a game in a few weeks...
Posts on Made of...
Efficiency trades off against resiliency
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from...
a year ago
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from a well-designed and well-run service, what CPU utilization should we hope to see, averaged over a day or two?
It’s a very general question, and it’s not clear it should have a...
Jonas Hietala
Robot Project Start
So it has begun, the long road until christmas when we’re supposed to have a working warrior robot....
over a year ago
So it has begun, the long road until christmas when we’re supposed to have a working warrior robot. We’re gonna do battle with infrared lasers instead of axes but it might be fun anyway. Luckily for me I’m responsible for software and nothing harder than that! w00p!
We could...
Home on Erik...
Fun with trigonometry: the world's most twisted coastline
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
Computer Ads from...
The Grand Stand
Joystick Stabilizer Support & Score Enhancer
a month ago
Joystick Stabilizer Support & Score Enhancer
computers are bad
2024-01-21 multi-channel audio part 1
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer
to all kinds of...
11 months ago
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer
to all kinds of pieces of consumer audio reproduction equipment as "a stereo."
As you might imagine, this is a relatively modern phenomenon. While stereo
audio in concept dates to the late 19th...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
9 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 dominance of the x86 architecture that continues to the present.1
One...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers
At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
5 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
Matt Blewitt
Software Sprezzatura
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
Jonas Hietala
Rising from the Dead, it's Ludum Dare
I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Christian Selig
Recreating Apple's beautiful visionOS search bar
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
Home on Erik...
How to set compensation using commonsense principles
Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
somenice
Painting of Russet Lake
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the...
3 months ago
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the natural world is alive with vibrant colours and serene beauty. One of the most stunning scenes unfolds at Russet Lake, where the iconic Fissile Mountain is mirrored perfectly in the...
Home on Erik...
Luigi conquering the world
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself...
over a year ago
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself a Luigi costume a month in advance. Only to realize I was going to be out of town the whole weekend.
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more
The traditional backyard chicken coop is a very simple structure that typically consists of a...
4 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
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...
csvbase blog
You can't just assume UTF-8
How to infer character encodings with statistics
7 months ago
How to infer character encodings with statistics
GitButler
Git Merge 2024 Talks are Up
All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
a month ago
All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
Willem's Blog
Creating a minimal road bike
I wondered how hard it would be to make a bike from spare parts I had in my garage
over a year ago
I wondered how hard it would be to make a bike from spare parts I had in my garage
Matt Blewitt
7 Languages in 7 Weeks for 2025
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a...
3 weeks ago
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a hands on tour of Ruby, Clojure, Haskell, Io, Scala, Erlang and Prolog. Ruby achieved critical mass, to some degree so did Scala, with the others being popular within their specific...
Avestura's Blog
Creating a Git commit: The Hard Way
Let's create a Git commit using Git's low-level (plumbing) commands
3 months ago
Let's create a Git commit using Git's low-level (plumbing) commands
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
6 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
Applied Cartography
Order, Tailwind, DRY
(Order in the CSS rule sense, not the metaphysical sense.)
The time has come to begin exfiltrating...
4 days ago
(Order in the CSS rule sense, not the metaphysical sense.)
The time has come to begin exfiltrating some higher-traffic, higher-leverage parts of Buttondown's admin UI away from the autogenerated Django admin and into some more bespoke components.
Take, for instance, this rather...
lcamtuf’s thing
A 15-minute intro to involute gears
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their...
a month ago
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their shape?
Notes on software...
Exploring Postgres's arena allocator by writing an HTTP server from scratch
This is an external post of mine. Click
here
if you are not redirected.
a month ago
This is an external post of mine. Click
here
if you are not redirected.
Posts on Made of...
Reflections on software performance
At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Vitalik Buterin's...
A Prehistory of the Ethereum Protocol
over a year ago
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
4 days ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Applied Cartography
Bozos
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple:
No Bozos....
a month ago
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple:
No Bozos. Simple policy. No exceptions. You know it when you see it.
Every founder has a story about the time that they ignored the red flags and bent over backwards for a particularly...
Willem's Blog
Saving a MacBook Air with exploded battery
Saving a MacBook Air with a swollen battery pack.
over a year ago
Saving a MacBook Air with a swollen battery pack.
Applied Cartography
Linear
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes...
5 days ago
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes I wanted to publish on our own experience of migrating from GitHub Issues to Linear, and some reflections on it as a product now that we've been using it for a few months.
One...
csvbase blog
Take the tools out of 'Data', but don't take the data out of the tools
Using dataframes to write smaller, faster programs
a year ago
Using dataframes to write smaller, faster programs
Matt Blewitt
What Is a Senior Engineer, Anyway?
I’ve been having a bunch of conversations with my team about our career ladder, and what it means to...
a month ago
I’ve been having a bunch of conversations with my team about our career ladder, and what it means to be “senior” in a software engineering context. It’s a little different in every company, but here is my view.
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Notes on software...
Confusion is a muse
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I...
6 months ago
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I write is, confusion. You're at work
and you start asking questions that are difficult to answer. You spend
a few hours or a day trying to get to the bottom of things.
If you ask a...
Jonas Hietala
A *
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked.
I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Good Enough
The Space Between Us
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Arduino Blog
Shop vac becomes a Roomba on steroids
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and...
7 months ago
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and sweep your own floors, you have a little maid robot to do the job for you. But these devices have very little power and capacity, which makes them useless for anything other than...
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 months ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Neil Madden
On PBKDF2 iterations
There has been a lot of discussion recently around the LastPass breach, especially with regards to...
a year ago
There has been a lot of discussion recently around the LastPass breach, especially with regards to the number of PBKDF2 iterations applied to the master password to derive the vault encryption key. Other people have already dissected this particular breach, but I want to more...
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...