Home on Erik...
Fermat's principle
I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
./techtipsy
Zimaboard: the closest thing to my dream home server setup
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally...
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally bought one.
In short, Zimaboard is a small single-board computer that is relatively affordable and comes
with an interesting selection of ports, which includes an exposed PCI...
Simply Explained
Retrospective: My Fifth Year on YouTube
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2...
over a year ago
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that
they purchased from AliExpress. The adapter has a similar purpose to the one
designed by thinkmods.store, with the added bonus
that it could fit longer NVMe...
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
So, You Want To Build A DBaaS
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
Notes on software...
Interpreting Go
After spending some time at work on tooling for keeping documentation
in sync with Go struct...
over a year ago
After spending some time at work on tooling for keeping documentation
in sync with Go struct definitions I had enough exposure to Go's
built-in parsing package that next steps were clear: write an
interpreter. It's a great way to get more comfortable with a
language's
AST.
In...
Matt Mullenweg
Welcoming Harper
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah...
a month ago
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah Potter and Harper to join Automattic. Harper is a super-fast (way faster than LanguageTool and Grammarly), local English grammar checker. The technology is nascent, but I’m very...
Louwrentius
The ZFS Event Daemon on Linux
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the...
over a year ago
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the MDADM daemon took care of that.
With the release of ZoL 0.6.3, a brand new 'ZFS Event Daemon' or ZED has been introduced.
I could not find much information about it, so consider...
Christian Selig
Juno 1.1
If you’re new, Juno is a visionOS app for YouTube!
Juno’s initial launch blew my socks off. It was...
10 months ago
If you’re new, Juno is a visionOS app for YouTube!
Juno’s initial launch blew my socks off. It was such a cool feeling to release an app on day one of the Apple Vision Pro’s launch, and having people be so excited about it and have such great feedback made it that much better....
Ken Shirriff's blog
Inside a vintage aerospace navigation computer of uncertain purpose
I recently obtained an aerospace computer from the early 1970s, apparently part of a navigation...
6 months ago
I recently obtained an aerospace computer from the early 1970s, apparently part of a navigation system.
Aerospace computers are an interesting but mostly neglected area of computer hardware, so I'm always delighted to
examine one up close.
In an era when most computers were large...
Home on Erik...
Meta-blogging
(This is not a very relevant/useful post for regular readers – feel free to skip. I thought I would...
over a year ago
(This is not a very relevant/useful post for regular readers – feel free to skip. I thought I would share it so people can find it on Google.)
My blog blew up twice in a week earlier this year when I landed on Hacker News.
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...
On Life and Lisp
Clip control on the Apple GPU
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in...
over a year ago
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in development, the open source “Asahi” driver for the Apple GPU is running real games. There’s more to do, but Neverball is already playable (and a lot of fun!).
Neverball uses legacy “fixed...
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...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck!
The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Good Enough
How We Made A Good Enough Zine
We made a zine!
The first issue was released in August, and I finished the second issue just last...
a year ago
We made a zine!
The first issue was released in August, and I finished the second issue just last week. Right now, a hundred copies are on their way from the printer to me (update: they've just arrived!). Today I'd like to share the story of how this zine came about.
(Sorry for...
seangoedecke.com RSS...
Avoiding worry driven development
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Jonas Hietala
Default audio card in linux
There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me.
I had three separate problems:
Getting sound
Playing sound from multiple sources at the same time
Audio card getting different numbers on reboot
Getting sound
Here I...
Home on Erik...
Antipodes
I was playing around with D3 last night and built a silly visualization of antipodes and how our...
over a year ago
I was playing around with D3 last night and built a silly visualization of antipodes and how our intuitive understanding of the world sometimes doesn't make sense. Check out the visualization at bl.ocks.org!
Basically the idea is if you fly from Beijing to Buenos Aires then you...
Matt Mullenweg
Rhino Dehorning
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles,...
2 months ago
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles, elephants. Today wasn’t great: I witnessed a rhino shot with a tranquilizer from a helicopter, then it was held down, had its horns cut off, and then shaved down. I have some photos and...
Jonas Hietala
Netrunner Summer Tournament Linköping
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs...
over a year ago
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs with Old Hollywood and The Universe of Tomorrow so a lot of new things were tried. I heard a rumor that a full playset of both Aesop’s Pawnshop and Wyldside were available so I...
Gwern.net Newsletter
July 2020 gwern.net newsletter
Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
over a year ago
Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
csvbase blog
DuckDB isn't just fast
A whistlestop tour of the cool bits of DuckDB
6 months ago
A whistlestop tour of the cool bits of DuckDB
Jordan’s Substack
Coming soon
This is Jordan’s Substack.
a month ago
This is Jordan’s Substack.
Opsbros
The past lives again!
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
Birchtree
The “Bluesky feels like early Twitter!” vibe
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Avestura's Blog
What is the type of Type?
Should type of `Type` be also `Type`? Or is there an alternative?
over a year ago
Should type of `Type` be also `Type`? Or is there an alternative?
Posts on Made of...
Why node.js is cool (it's not about performance)
For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Vitalik Buterin's...
A Philosophy of Blockchain Validation
over a year ago
Bryan Braun - Blog
Goodbye Evernote, Hello Obsidian
I use note-taking software every day. I use it for journaling, blogging, capturing ideas,...
6 months ago
I use note-taking software every day. I use it for journaling, blogging, capturing ideas, researching technologies, managing my projects, and many other things. Writing is how I think through problems, and note-taking software makes all that thinking easy to search and...
Jonas Hietala
Now we have a Forum
In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style...
over a year ago
In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style for the awesome phpBB - the forum itself was up and running in say 10min and the rest of the latest days has been all about customizing. Now it’s finally kinda complete so here it is...
Jonas Hietala
Dbot
So I made a small irc bot in 294 characters in code-golfing language #1: Perl.
Usage
perl...
over a year ago
So I made a small irc bot in 294 characters in code-golfing language #1: Perl.
Usage
perl Dbot
Commands
.name - Echo the bots name
.hello - Output “hello world!”
.src - Dump the source code
Code
use IO::Socket;$s=IO::Socket::INET->new("158.38.8.251:6667");sub o{print$s...
Jonas Hietala
Beginning Programming
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points:
Too long
Too many examples like “Hello World!”
No answers to exercises.
Nr 1 is a pretty curious one. Even though I think a book is good,...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
a month ago
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it effectively.
computers are bad
2024-09-26 the GE switched services network
We currently find ourselves in something of a series, working our way from
private lines to...
2 months ago
We currently find ourselves in something of a series, working our way from
private lines to large
private line systems like the four-wire private-line national warning
system.
Let's continue to build on the concept of the private line into large
corporate systems.
In principle, a...
Good Enough
Beware of Free Software
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it.
And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
GitButler
GitButler 0.12 - "Stingy Baker"
New GitButler release is out! Undo anything, modify your commits with ease, new AI stuff and more!
6 months ago
New GitButler release is out! Undo anything, modify your commits with ease, new AI stuff and more!
detreville
This is "detreville"
It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
a year ago
It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
Jonas Hietala
The first (worst) post
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog...
over a year ago
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog will be about and maybe, if I’m dedicated, it won’t die before Christmas you think.
And sure, you’re right. I will run away to the corner in about two and a half months crying I never...
Jonas Hietala
Resurrection
Aah what a nice summer!
It was nice to be back in Övertorneå, doing nothing in particular. Just not...
over a year ago
Aah what a nice summer!
It was nice to be back in Övertorneå, doing nothing in particular. Just not having to make lunch and dinner every day is such a relief, and if you do slip up food with grandma or Veronica’s parents is only a phone call away. I watched TV, played...
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.
./techtipsy
Anything's a portable speaker if you're brave enough
I hate buying things that are single-purpose, which is why I ended up with this
setup.
Take a...
a year ago
I hate buying things that are single-purpose, which is why I ended up with this
setup.
Take a speaker, a battery, put them together, and what you now have is a
portable speaker. Since I had access to both, I felt no need to buy a separate
portable speaker for use in social...
./techtipsy
Life is maintenance, maintenance is life
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things.
When I was still an inexperienced junior developer who barely survived operating in a Linux
environment and saw backend development as a black box, I was happy to get...
Matt Blewitt
Everything I Know About Operations, I Learned From NHS 111
Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context...
over a year ago
Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context of incidents at your company? Although mostly true, I want to talk about a time in my career when sometimes, just sometimes, it was the latter, and how it shaped my approach to...
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.
Louwrentius
Debian Linux Preseeding - an installation framework
Look Ma!
No hands!
just watching a system PXE-boot and install itself into a fully...
over a year ago
Look Ma!
No hands!
just watching a system PXE-boot and install itself into a fully operational
system is fun. PXE boot and preseeding is not enough however to accomplish
this.
By itself, preseeding only installs a basic operating system. Next, you need
to configure all sorts of...
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
Birchtree
Gemini 2.0: speed and deep research impress
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today...
a week ago
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today we’re excited to launch our next era of models built for this new agentic era: introducing Gemini 2.0, our most capable model yet. With new advances in multimodality —
computers are bad
2024-05-25 grc spinrite
I feel like I used to spend an inordinate amount of time dealing with suspect
hard drives. I mean,...
7 months ago
I feel like I used to spend an inordinate amount of time dealing with suspect
hard drives. I mean, like, back in high school. These days I almost never do,
or on the occasion that I have storage trouble, it's a drive that has
completely stopped responding at all and there's...
Louwrentius
Script that shows smart values of all disks'
Please use this tool on github instead of this ancient script.
So you have a Linux system with a lot...
over a year ago
Please use this tool on github instead of this ancient script.
So you have a Linux system with a lot of hard drives. If you want to quickly check on some key SMART values to determine the health of individual disks, you might be interested in this script.
I wrote a small Python...
Willem's Blog
Cash is king, or is it?
Is the time right to ditch the wallet?
over a year ago
Is the time right to ditch the wallet?
computers are bad
2023-06-12 radio on the tv
Like many people in my generation, my memories of youth are heavily defined by
cable television. I...
a year ago
Like many people in my generation, my memories of youth are heavily defined by
cable television. I was fortunate enough to have a premium cable package in
my childhood home, Comcast's early digital service based on Motorola equipment.
It included a perk that fascinated me but...
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...
Applied Cartography
Stripe Sessions 2024
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
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.
./techtipsy
The absolute state of Bluetooth audio in 2022
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your...
over a year ago
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your colleagues? Forget about it.
This is the setup I have to go with, and it has all to do with how Bluetooth
works. Your options with Bluetooth headsets are the following:
high quality...
Christian Selig
Introducing Juno for Apple Vision Pro
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
10 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Jonas Hietala
Blogging in Djot instead of Markdown
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec?
John Macfarlane, Beyond Markdown
I recently...
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Home on Erik...
Subway waiting math
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found...
over a year ago
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found that at some point, quite early, it's worth just giving up.
This isn't a proof that the subway doesn't run on time – in fact it might actually proves that the subway runs really...
Home on Erik...
Analyzing 50k fonts using deep neural networks
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
Louwrentius
Got myself a Norco RPC-4020
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion....
over a year ago
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion. The current 6 TB RAID 6 storage server does not have any
room for expantion.
This Norco RPC-4020 case with 20 hot swap drive bays does however. Don't know
what to fill it with yet.
Vitalik Buterin's...
收入-邪恶曲线：思考“公共物品融资优先”的另一种方式
over a year ago
Notes on software...
Reviewing the Surface Book 2
The first few paragraphs cover what I was looking for and what I
considered. Then the review.
Why...
over a year ago
The first few paragraphs cover what I was looking for and what I
considered. Then the review.
Why the Surface Book 2
I used a Macbook throughout my professional career until I had the
choice a few years ago when I started my current job. Here, I ran
Gentoo, then FreeBSD, then...
Home on Erik...
Dollar cost averaging
(I accidentally published an unfinished draft of this post a few days ago – sorry about...
over a year ago
(I accidentally published an unfinished draft of this post a few days ago – sorry about that).
There's a lot of sources preaching the benefits of dollar cost averaging, or the practice of investing a fixed amount of money regularly.
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989)
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine.
I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Jonas Hietala
Rewriting my blog in Rust for fun and profit
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far.
But all good...
Engineers Need Art
Kim-1 User Manual
For sale: a few KIM-1 User Manuals I printed up.
a year ago
For sale: a few KIM-1 User Manuals I printed up.
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Birchtree
Matt is a Mean Guy (hey!)
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created...
a week ago
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created a sticky note-based task manager, and everyone gives the iPad some much needed love.
Or watch it on YouTube.
Weekly Topics
Raycast
CleanShot X
Final Cut Pro
Google...
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring'
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like...
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special
than those. Because iftop lets you monitor the speed of individual TCP / UDP
connections. Basically, you will be able to determine...
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...
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
Louwrentius
The iPhone, iPad and iOS are powering a revolution
Most people just don't understand computers. Are these people dumb? Some may
be dumb, but the people...
over a year ago
Most people just don't understand computers. Are these people dumb? Some may
be dumb, but the people who make them are maybe even dumber. Because they
can't seem to figure out how to create a computer that the majority of people
understand.
When the original macintosh arrived at...
computers are bad
2024-12-21 something over New Jersey
There were thousands of reports: strange aircraft, floating through the sky. A
retrospective sum of...
yesterday
There were thousands of reports: strange aircraft, floating through the sky. A
retrospective sum of press accounts finds that some 100,000 people were
reported to have witnessed aerial intruders. Despite the scant details
associated with most reports, an eager press repeated the...
Arduino Blog
This perplexing robotic performer operates under the control of three different Arduino boards
Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their...
2 months ago
Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their potential within our world. Because the practical applications are actually pretty limited (given the high cost), we inevitably begin to consider how those robots might function as...
Christian Selig
Curing Mac mini M4 fomo with 3D printing
Spoiler: 3D printed! The colored ports really sell the effect
If you’re anything like me, you’ve...
a month ago
Spoiler: 3D printed! The colored ports really sell the effect
If you’re anything like me, you’ve found the new, tinier Mac mini to be absolutely adorable. But you might also be like me that you either already have an awesome M1 Mac mini that you have no real reason to replace,...
Jonas Hietala
My first rust Contribution
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How...
over a year ago
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How shall I push my changes? How do I handle git? What should I do?
I was the same and I actually dreaded my awesome summer job, just a little bit, because now I’m supposed to...
Posts on Made of...
Performance engineering, profilers, and seeing the invisible
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of...
a year ago
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of Expertise” by Gary Klein and Robert Hoffman. It’s excellent and I recommend you read it when you have a chance.
Klein and Hoffman discuss the ability of experts to “see what is not...
Notes on software...
React without webpack: fast path to a working app from scratch
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.
Jonas Hietala
Motivation is Valuable
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Arduino Blog
Using Arduino with gaming
It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related...
a month ago
It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related projects. Both activities tend to attract people with a love for problem-solving, technology, and getting immersed in one challenging activity for hours at a time. The result is...
Applied Cartography
How Buttondown uses HAProxy
There are few technical decisions I regret more with Buttondown than the decision to combine the...
3 months ago
There are few technical decisions I regret more with Buttondown than the decision to combine the author-facing app, the subscriber-facing app, and the marketing site all under a single domain. Most technical decisions are reversible with sufficient grit and dedication; this one...
Nabeel S. Qureshi
Advice That Actually Worked For Me
My contribution to the 'productivity advice' genre.
over a year ago
My contribution to the 'productivity advice' genre.
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...
Louwrentius
Laptop or netbook as router?
If you want a router for distribution of internet to your computers at home,
there are several...
over a year ago
If you want a router for distribution of internet to your computers at home,
there are several options.
buy some embedded device from Linksys, Draytek, Asus, 3com, ZyXtel or
netgear
This type of hardware is cheap, economical, and gets you up and running in a
few minutes. The...
Louwrentius
Tunneling Elixir cluster network traffic over Wireguard
Introduction
The other day I was supporting a customer with an Elixir-based platform that would make...
a year ago
Introduction
The other day I was supporting a customer with an Elixir-based platform that would make use of Elixir libcluster, so messages on one host can be passed to other hosts. This can - for example - enable live updates for all users, even if they are not communicating with...
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps
In a ridiculous attempt to prove an internet
wrong about the
practicality of Lisp (Common Lisp...
over a year ago
In a ridiculous attempt to prove an internet
wrong about the
practicality of Lisp (Common Lisp specifically), I tried to get a
simple (but realistic) web app running. After four days and a patch
to ABCL I got something
working.
The code I had in mind would look something like...
Vitalik Buterin's...
The promise and challenges of crypto + AI applications
10 months ago
Applied Cartography
You should use Helpscout
Was digging through old issues of the personal site and found this draft snippet:
I was evaluating...
10 months ago
Was digging through old issues of the personal site and found this draft snippet:
I was evaluating HelpScout as a potential first step in a series of many, many steps to onboard a dedicated support engineer for Buttondown, and it turns out that the process of adding custom...
Willem's Blog
One year of cycling
GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
GPS recording an entire year of bike rides using Garmin and Strava.
Gwern.net Newsletter
November newsletter
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
Bryan Braun - Blog
Before you buy a domain name, first check to see if it’s haunted
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an...
a month ago
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an interactive online music box that I had built and hosted at musicboxfun.com. The new name was shorter and more quirky. I felt lucky to have grabbed it.
Unfortunately, musicbox.fun...
lcamtuf’s thing
Random objects: Intel Edison
A glimpse of the missteps of x86 in the embedded world.
6 months ago
A glimpse of the missteps of x86 in the embedded world.
Bryan Braun - Blog
Capability makes your life simpler
If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less...
4 months ago
If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less time and energy packing, setting-up, tearing down, and unpacking. The same goes for travel. Fewer clothes and shoes means less luggage to carry, manage, and lose. You can board...
Home on Erik...
Never attribute to stupidity that which is adequately explained by opportunity cost
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that...
over a year ago
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that which can be adequately explained by stupidity.
I've found that neither malice nor stupidity is the most common reason when you don't understand why something is in a certain way.
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine
There is something inherently intriguing about submarines that doesn’t seem to apply to other...
4 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Home on Erik...
Leaving Spotify
Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an...
over a year ago
Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an amazing experience.
I joined Spotify in Stockholm in 2008, mainly because a bunch of friends from programming competitions had joined already.
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
9 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
Posts on Made of...
Indices point between elements
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this:
In this post, I want to persuade you to replace that image, or,...
Simply Explained
Securely access home network with Cloudflare Tunnel and WARP
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to...
over a year ago
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to strengthen the security of my Home Assistant instance. Until now, I have been using Cloudflare's CDN to connect to my HA instance, but that required opening ports on my router and...
Jonas Hietala
rustc: error while loading shared libraries: librustc_driver
I had installed and used rust already but today I fired it up and received:
rustc...
over a year ago
I had installed and used rust already but today I fired it up and received:
rustc --version
rustc: error while loading shared libraries: librustc_driver-7e44814b.so: cannot open shared object file: No such file or directory
I’ve seen this before… I thought modifying...
Good Enough
Our ChatGPT Mission Statement
What follows is an edited transcript of my interaction with ChatGPT to help craft a mission...
a year ago
What follows is an edited transcript of my interaction with ChatGPT to help craft a mission statement for Good Enough.
The resulting mission statement was surprisingly good and I had some literal LOLs along the way.
Though I think we'll leave out the haiku.
You are an expert at...
Vitalik Buterin's...
[Mirror] Central Planning as Overfitting
over a year ago
Home on Erik...
Nearest neighbor methods and vector models – part 1
This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a...
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a library called Annoy that I have built that helps you do (approximate) nearest neighbor queries in high dimensional spaces.
Notes on software...
Metaprogramming in Zig and parsing CSS
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it....
a year ago
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it. What's the difference between
@typeInfo and @TypeOf? I ignored this aspect of Zig until a
problem came up at work where reflection
made sense.
The situation was parsing and storing...
Old Vintage...
Two tiny 65816 DTV consoles
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games...
5 months ago
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games to a more downmarket age. If you couldn't afford the real device, your alternative was these inexpensive, inadequate facsimiles faithful only to one's gauzy recollection. As their...
Notes on software...
Studying foreign languages with inbox zero
The only time I've been able to seriously, rapidly improve my ability
to speak a foreign language...
over a year ago
The only time I've been able to seriously, rapidly improve my ability
to speak a foreign language was through intensive language courses in
college. I was forced to actively speak, read, and write Chinese for
6-8 hours a week (1-2 hours every day). Then study another 5-10 hours
a...
./techtipsy
My cat water fountain comes with a spicy USB power adapter
It turns out that you can’t trust any USB type A power adapter to be within spec.
I have a Catit...
a year ago
It turns out that you can’t trust any USB type A power adapter to be within spec.
I have a Catit Flower Fountain
for my two adorable cats. The idea of a water fountain for cats may sound odd,
but having one really helps with cats staying hydrated and that alone avoids all
sorts...
Posts on Made of...
Two kinds of testing
While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Home on Erik...
3D in D3
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon).
D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Jonas Hietala
It's Time for More School
Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first...
over a year ago
Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first week and an absolutely smacked schedule. If that wasn’t enough I also have a mentor time to prepare for and I need to start Taekwon-do again.
On another note Ḯ’m currently plowing...
Jonas Hietala
February gets Themed: Rejection
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t...
over a year ago
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t follow suite! With valentine coming up I might just have found a pretty nice idea, just now, writing this…
Booyah!!
Jonas Hietala
Netrunner Spring Tournament
There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very...
over a year ago
There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very casual setting but there were also some guys who came from… Västerås I think, but I’m not sure. We managed to scrape together 9 people at least, and I didn’t notice anyone bringing...
Posts on Made of...
Disable Transparent Hugepages
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions.
Transparent Hugepages gives some applications...
Posts on Made of...
Property Testing Like AFL
In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Nabeel S. Qureshi
How To Understand Things
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
over a year ago
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
Home on Erik...
hdfs2cass
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
Posts on Made of...
Security doesn't respect abstraction boundaries
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
Electronics etc…
Making Screenshots of Test Equipment Old and New
Introduction
Screenshot Capturing Interfaces
Hardware and Software Tools
Capturing GPIB data in Talk...
3 weeks ago
Introduction
Screenshot Capturing Interfaces
Hardware and Software Tools
Capturing GPIB data in Talk Only mode
TDS 540 Oscilloscope - GPIB - PCL Output
HP 54542A Oscilloscope - Parallel Port - PCL or HPGL Output
HP Inifinium 54825A Oscilloscope - Parallel Port - Encapsulated...
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...
Arduino Blog
This nature-inspired display reacts to ambient sounds
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Jonas Hietala
What's up
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other...
over a year ago
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other stuff. I’ve thought about you but I just never really picked up emacs to write to you. I know it’s my fault but I beg of your mercy mr. Blog. You know that I had laid off school for...
Home on Erik...
The lane next to you is more likely to be slower than yours
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any...
over a year ago
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any Faster
The article describes a phenomenon unique to traffic where cars spread out when they go fast and get more compact when they go slow.
Vitalik Buterin's...
Deeper dive on cross-L2 reading for wallets and other use cases
a year ago
Jonas Hietala
A Vacation Filled with Obsession
A nice thing about school are the nice long vacations. Directly after my last exam we went north to...
over a year ago
A nice thing about school are the nice long vacations. Directly after my last exam we went north to our dear home village Övertorneå and spent two weeks celebrating Christmas and New Years Eve. What did we do? I practiced some obsessive behavior with Power Grid and Minecraft (and...
Notes on software...
Active and influential NYC infrastructure people
These are some of the most influential (mostly due to experience or
expertise) and active folks (I...
a month ago
These are some of the most influential (mostly due to experience or
expertise) and active folks (I actually see them attend events) in the
NYC infrastructure scene (that I have a personal connection to).
If you're running a dinner or are just looking to meet interesting
people in...
Jonas Hietala
September theme: Failure
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site.
Let’s rock!!
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration!
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Push to Prod
How Would You Design Amazon S3?
One of my favorite system design questions from a few years ago and a fascinating thing I learned...
2 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
GitButler
Git Merge 2024
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
2 months ago
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here)
In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Jonas Hietala
Up like a Sun, Down like a Pancake
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
Louwrentius
Neato XV-15 / XV-11 Robotic Vacuum cleaner review
Update 18 February 2012
There is one problem. When the robot is not connected to the charger, the...
over a year ago
Update 18 February 2012
There is one problem. When the robot is not connected to the charger, the batteries are depleted very fast. Even if the batteries are not entirely depleted and the robot can still display the menu, the clock loses it's time. Every time the robot gets a too...
Arduino Blog
Meet Mr. Wallplate, an animatronic wall plate that speaks to you
Interactive robots always bring an element of intrigue, and even more so when they feature unusual...
7 months ago
Interactive robots always bring an element of intrigue, and even more so when they feature unusual parts and techniques to perform their actions. Mr. Wallplate, affectionately named by Tony K on Instructables, is one such robot that is contained within an electrical wall plate...
seangoedecke.com RSS...
Porting and hacking Llama2.c for fun and profit
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
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...
Nabeel S. Qureshi
Reading Notes on “Lost Time: Lectures on Proust in a Soviet Prison Camp”
by Josef Czapski
over a year ago
Home on Erik...
I'm featured in Mashable
This article from today in Mashable describes some of the fun stuff I get to work with:
Erik...
over a year ago
This article from today in Mashable describes some of the fun stuff I get to work with:
Erik Bernhardsson is technical lead at Spotify, where he helped to build a music recommendation system based on large-scale machine learning algorithms, mainly matrix factorization of big...
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...
Louwrentius
Linux: script that creates table of network interface properties
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an...
over a year ago
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an existing linux command for this but I couldn't find it so I quickly wrote my
own script (download).
This is the output:
The only requirement for this script is that you have...
Computer Ads from...
Salamander Software's Franklin's Tomb
My name is Diamond, Dan Diamond. I'm a private cop.
9 months ago
My name is Diamond, Dan Diamond. I'm a private cop.
Louwrentius
Why I believe the new Mac Pro won't be a great machine for gaming
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking...
over a year ago
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking about buying a new Mac Pro for gaming.
I believe that gaming on the new Mac Pro will be a mediocre experience.
Driver support: as John mentioned himself, the video cards are...
Home on Erik...
Plotting author statistics for Git repos using Git of Theseus
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I...
over a year ago
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I have a couple of blog posts in the pipeline about various updates. First up, I made a number of fixes to Git of Theseus which is a tool (written in Python) that generates...
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem
Introduction
IMPORTANT: Use the Right GPS Antenna!
The Problem: SyncServer Refuses to Lock to...
4 months ago
Introduction
IMPORTANT: Use the Right GPS Antenna!
The Problem: SyncServer Refuses to Lock to GPS
The GPS Week Number Rollover Issue
Making the Furuno GT-8031 Work Again
How It Works
Build Instructions
Power Supply Recapping
The Future: A Software-Only Solution
The...
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...
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...
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...
Jonas Hietala
An Epic Start
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Notes on software...
The case for comments in code
When I first started programming, especially when asked for code
samples, my comments lacked purpose...
over a year ago
When I first started programming, especially when asked for code
samples, my comments lacked purpose and would often duplicate in
English what the code clearly indicated. I knew that "commenting is
good" but as a beginner I had no further insight.
Over time with the help of books...
Home on Erik...
It's called Berkson's paradox!
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox.
Here's another example: Why Are Handsome Men Such Jerks?
Louwrentius
Apple is killing off the optical drive just like the floppy disk
With the release of the new MacBook Air we are one step closer to killing off
the cd-rom and the...
over a year ago
With the release of the new MacBook Air we are one step closer to killing off
the cd-rom and the dvd. As with the previous MacBook Air, this device has no
optical drive. And that is a good thing. People do not need an optical drive.
You have the network and you have USB disks....
Home on Erik...
Delivering Music Recommendations
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
6 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Buck on Software
Model transitions: A framework for value creation
And a quick and dirty look at SPLK, NTNX, and GWRE
over a year ago
And a quick and dirty look at SPLK, NTNX, and GWRE
Good Enough
Asking the Right Question
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've...
a year ago
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've spread the word enough that there's now a steady stream of new users coming in each day. So, what's next?
Portrait of the author pondering
My first impulse was to answer this...
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 days ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Jonas Hietala
Life and Shields
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable...
over a year ago
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable AI, they have rechargeable shields and they can now even be killed. Currently the game is far too easy, but it’s starting to look a little cooler at least.
csvbase blog
Parquet: more than just "Turbo CSV"
Quicker, but also more convenient
a year ago
Quicker, but also more convenient
Buck on Software
The Software Slog
As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
As a newly minted high school grad I had a brief stint as a wildland firefighter.
Louwrentius
'Linux RAID level and chunk size: the benchmarks'
Introduction
When configuring a Linux RAID array, the chunk size needs to get chosen. But
what is...
over a year ago
Introduction
When configuring a Linux RAID array, the chunk size needs to get chosen. But
what is the chunk size?
When you write data to a RAID array that implements striping (level 0, 5, 6,
10 and so on), the chunk of data sent to the array is broken down in to
pieces, each part...
Neil Madden
Towards a standard for bearer token URLs
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Home on Erik...
When machine learning matters
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to...
over a year ago
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to forget, but Spotify's key differentiator back then was the low-latency playback. People would say that it felt like they had the music on their own hard drive.
Birchtree
I’m Not a Panda Person
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web...
2 days ago
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web apps.
Watch it on YouTube or listen in your favorite podcast app!
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
Notes on software...
Two books I recommend to developers
Originally published on February 1, 2021. The original version
included two books I don't think...
a year ago
Originally published on February 1, 2021. The original version
included two books I don't think are actually so worthwhile. This
list is down to two. I think that's a good thing actually.
These are the books I recommend to developers wanting to improve their
skills as...
Willem's Blog
How to use rsync to make backups
In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
Nabeel S. Qureshi
How To Sell
Sales at a startup is counter-intuitive.
over a year ago
Sales at a startup is counter-intuitive.
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...
Applied Cartography
A good H1
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we...
3 weeks ago
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we arrived at our current iteration, which is the anodyne yet pointed Email for you. Yes, you.
Historically, we've called Buttondown a 'newsletter tool' — the h1 before this was 'The...
GitButler
GitButler is joining the Open Source Pledge
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
3 months ago
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source ecosystem.
Jonas Hietala
Monaco What's Yours is Mine
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!!
I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing?
Tomorrow...
Old Vintage...
What the KIM-1 really needs is an LCD screen
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all...
a year ago
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all well and good, but the basic unit is still just six numeric LEDs for its display. Let's solve that problem.
Sure, you could hook up a serial terminal like the Silent 700 we used...
Jonas Hietala
Let's build a VORON: Printing & Tuning
It’s up and running, and now it’s finally printing time!
Less exciting—but necessary—tuning the...
a year ago
It’s up and running, and now it’s finally printing time!
Less exciting—but necessary—tuning the printer to make the prints better.
Filament shipment
Even though I’ve been building the printer for more than a month, I wasn’t ready for it being time for printing so soon.
I don’t...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA)
When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
axio.ms
A small ode to the CRT
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at...
over a year ago
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at 50Hz, or made a loud whistle at 15.625KHz (back when I could still hear it). CRTs just seemed crude, “electro-brutalist” contraptions from the valve era. They were heavy, and...
Abort Retry Fail
The History of Microsoft Encarta
Searchable Human Knowledge
a year ago
Searchable Human Knowledge
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
3 months ago
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's how we managed to survive.
Home on Erik...
I'm looking for data engineers
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers...
over a year ago
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers at Better. You would be the first one to join and would work a lot directly with me.
Some fun things you could work on (these are all projects I'm working on right now):
Jonas Hietala
Being Productive
School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all...
over a year ago
School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all going so fast, week after week is disappearing and I don’t know where they go but I know that I’m at least not wasting them like I did most of last year!
Last year I managed school...
./techtipsy
How to build a fleet of networked offsite backups using Linux, WireGuard and rsync
Just like most people out there, I have some files that are irreplaceable, such as cat pictures.
At...
a week ago
Just like most people out there, I have some files that are irreplaceable, such as cat pictures.
At one point I had a few single-board computers sitting idle, namely
the Orange Pi Zero and
the LattePanda V1, and a few
1TB SSD-s.
I hate idle hardware, so I did the most sensible...
Home on Erik...
Software infrastructure 2.0: a wishlist
Software infrastructure (by which I include everything ending with *aaS, or anything remotely...
over a year ago
Software infrastructure (by which I include everything ending with *aaS, or anything remotely similar to it) is an exciting field, in particular because (despite what the neo-luddites may say) it keeps getting better every year! I love working with something that moves so...
Notes on software...
Transparency and communication on small teams
I saw a post on
dev.to
that talks about dysfunctional teams. This is a response that...
over a year ago
I saw a post on
dev.to
that talks about dysfunctional teams. This is a response that focuses
specifically on how to prevent burnout from overworking. This is aimed
at senior/lead engineers and engineering/project managers -- because
everyone in a leadership role is responsible...
Notes on software...
Bootloader basics
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text...
over a year ago
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text editor with a few keyboard
shortcuts. I'll be giving a virtual talk based on this work at Hacker
Nights on Jan 27.
There are a definitely bugs. But it's hard to find...
Willem's Blog
Limitations of sleep tracking using a wearable
Limitations of heart rate analyses during sleep, why you should reconsider tracking your sleep.
over a year ago
Limitations of heart rate analyses during sleep, why you should reconsider tracking your sleep.
Jonas Hietala
Building the GH60
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share.
The hardware
Several years ago I joined the geekhack forum and I joined in a few group...
Louwrentius
ZFS on Linux: monitor cache hit ratio
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust...
over a year ago
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust the numbers I got, I wanted to know how many of the IOPs I got were due to cache hits rather than disk hits.
This is why I wrote a small shell script called archhitratio.
Sample...
Vitalik Buterin's...
Why we need wide adoption of social recovery wallets
over a year ago
Louwrentius
PPSS version 2.30 now operates asynchronous
If you background a bash or shell process, how do you determine if it has
finished? Since inter...
over a year ago
If you background a bash or shell process, how do you determine if it has
finished? Since inter process communication is not possible using shell
scripts, people often refer to while loops or other polling mechanisms to
determine if some process has stopped.
However, the one...
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Louwrentius
Please use ZFS with ECC Memory
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs.
Why ZFS?
Many people...
Posts on Made of...
Dear Twitter: Stop screwing over your developers.
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online...
over a year ago
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online communities, and is a surprisingly effective way to spread news and information to lots of people online. One of the things that I’ve loved about Twitter is their API, and how open and...
./techtipsy
Running on fumes
After a run-of-the-mill Windows BSOD, I was redirected to the UEFI
settings and was presented with...
over a year ago
After a run-of-the-mill Windows BSOD, I was redirected to the UEFI
settings and was presented with this fun little bug:
0GB ought to be enough for anybody.
Neil Madden
CVE-2022-21449: Psychic Signatures in Java
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
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…
Louwrentius
Which file system for a large storage array under Linux?
There are many file systems available under Linux, however only a few of them
can be used for a...
over a year ago
There are many file systems available under Linux, however only a few of them
can be used for a large storage array.
I am assuming that you want to create a single file system. I don't care if
you use LVM or other layers beneath, this is about which file system to use.
I will...
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...
Louwrentius
Building a RAID 6 array of mixed drives
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect...
over a year ago
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect movies in full DVD or HD quality and so I need some
storage.
I decided to build myself a NAS box based on Debian Etch. Samba is used to
allow clients to access the data. The machine...
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.
Louwrentius
Lion's Disk Utility not compatible with CoreStorage and Filevault
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X...
over a year ago
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X Lion
Time machine partition (I use an external SSD as my main OS)
Bootcamp partition with windows
A data partition containg... data.
The problem is that CoreStorage is too new. Disk...
Arduino Blog
Zoo elephants get a musical toy to enrich their lives
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
2 weeks ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
Willem's Blog
Around town in an electric car
For one week I drove the electric Smart EQ fortwo in and around town. I found out what it's like to...
over a year ago
For one week I drove the electric Smart EQ fortwo in and around town. I found out what it's like to drive electrically: fun!
Jonas Hietala
The End of the Tunnel
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from...
over a year ago
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from the last time.
One course about data structure and algorithms (super fun to be honest) has wrapped up. We thought we were ahead with the assignments but in the end it got very...
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment.
A...
Willem's Blog
Servicing a robot vacuum cleaner
This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to...
over a year ago
This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to learn how I did it.
Notes on software...
Interview With Phil of DataStation
This is an external interview. Click
here
if you are not redirected.
over a year ago
This is an external interview. Click
here
if you are not redirected.
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...
Old Vintage...
Refurb weekend: Canon Cat
It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on...
6 months ago
It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on those machines I intend to work on more in the near future. So we'll start with one that's widely considered to be a remarkable cul-de-sac in computing history: the Canon...
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz?
Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Matt Blewitt
Table Stakes
This is a short post on what I see are table stakes for any new user-facing service, security-wise....
over a year ago
This is a short post on what I see are table stakes for any new user-facing service, security-wise. Mostly focused on user-focused, rather than intra-service, considerations.
Arduino Blog
This disturbing Halloween doll was brought to life with Bottango
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near...
a month ago
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near the top of the list. That extends beyond store-bought costumes and decorations to DIY projects. If you want an excuse to make something impractical, Halloween can provide that. And...
./techtipsy
Self-hosting Wikipedia using Kiwix
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super...
over a year ago
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super User?
It’s easier than you think!
Step 1: download stuff!
The Kiwix project provides ZIM files for many popular websites, including Wikipedia.
These files can be downloaded over at Kiwix...
./techtipsy
Good reads
This is an unsorted list of articles that I find to be good in one way
or another.
Maker’s Schedule,...
a year ago
This is an unsorted list of articles that I find to be good in one way
or another.
Maker’s Schedule, Manager’s Schedule
a must-read for anyone working in a software development team. Helps
express what most of us have felt at some point in our careers.
The case of the 500-mile...
GitButler
GitButler for Windows
The GitButler client is now available natively on Windows.
8 months ago
The GitButler client is now available natively on Windows.
Willem's Blog
Refining my tablet OS experience
Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
over a year ago
Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
Jonas Hietala
2020 in review
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me...
over a year ago
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me personally it’s been both good and bad. Luckily we haven’t been directly affected by COVID too much, but it’s still been very disruptive. Either way as I’ve done for years now it always...
Jonas Hietala
Moving to FastMail
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some...
over a year ago
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some reason I settled on eumx which I used since then. Yesterday I got an email saying the recurring billing could not be renewed as I had my old credit card registered and it got me...
Notes on software...
What's the big deal about Deterministic Simulation Testing?
Bugs in distributed systems are hard to find, largely because systems
interact in chaotic ways. And...
4 months ago
Bugs in distributed systems are hard to find, largely because systems
interact in chaotic ways. And even once you've found a bug, it can be
anywhere from simple to impossible to reproduce it. It's about as far
away as you can get from the ideal test environment: property...
Odds and Ends of...
Odds and Ends #43: An awesome drone trial in central London, legalised e-scooters at last, and...
And yes, I am on Bluesky.
a month ago
And yes, I am on Bluesky.
Jonas Hietala
The T-34 keyboard layout
A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with...
over a year ago
A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with much fewer keys, like the 36-key Gergoplex and the 44-key Kyria. I may write another post about the reasons why, but long story short I started getting pain in my thumbs, fingers,...
lcamtuf’s thing
Analog filters, part 2: let it ring
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key topology.
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the...
over a year ago
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Construction Physics
Will the China Cycle Come for Airbus and Boeing?
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
2 months ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Arduino Blog
Control your Raspberry Pi GPIOs with Arduino Cloud using Python | Part II
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs...
7 months ago
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs remotely. Well, you have landed in the right place. This article builds upon our previous introduction to “Visualize your Raspberry Pi data with Arduino Cloud | Part I.” Now, we’ll...
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an...
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an opportunity to send a signal and test the capabilities of
my UPS.
I’ve prepared for this moment with my self-hosting setup, let’s see how well it
holds up. Hopefully better than...
lcamtuf’s thing
Deep dive: the (in)stability of op-amps
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
a month ago
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
Jonas Hietala
Favourite Programming Language
All the programmers love to promote their favourite language, or to hate on others. Now I read a...
over a year ago
All the programmers love to promote their favourite language, or to hate on others. Now I read a post which claimes my favourite language is not good enough! But he’s correct of course, there is no one language to rule them all. You should always choose the mest language for the...
Willem's Blog
Using a budget Android as main smartphone
I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Home on Erik...
Why software projects take longer than you think: a statistical model
Anyone who built software for a while knows that estimating how long something is going to take is...
over a year ago
Anyone who built software for a while knows that estimating how long something is going to take is hard. It's hard to come up with an unbiased estimate of how long something will take, when fundamentally the work in itself is about solving something.
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...
Vitalik Buterin's...
What do I think about network states?
over a year ago
Posts on Made of...
Towards solving Ultimate Tic Tac Toe
Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey...
over a year ago
Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey into interesting algorithms and high-performance parallel programming in Rust.
Backstory Starting around the beginning of the COVID-19 lockdown, I’ve gotten myself deeply nerdsniped...
Home on Erik...
What I have been working on: Modal
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Good Enough
Issue 0: Collector's Item
1. Oh, hello.
We didn’t see you there. How are you doing?
You’ve somehow ended up with a collector’s...
over a year ago
1. Oh, hello.
We didn’t see you there. How are you doing?
You’ve somehow ended up with a collector’s item in your hands: the very first Good Enough Newsletter. This is the beginning of what we (Barry Hess & Shawn Liu) hope to be a years-long series of communiqués with our rabid...
Jonas Hietala
Poking at Emacs
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty...
over a year ago
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty confident and happy with it. For those who don’t know it’s basically a text editor, like notepad, but with a lot of keycommands which allows you to edit code (and text in general)...
./techtipsy
The IPv6 situation on Docker is good now!
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now!
I’ve recently...
2 days ago
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now!
I’ve recently started reworking my home server setup to be more IPv6 compatible, and as part of that I learned that
during
the summer of 2024 Docker shipped an update that eliminated a
lot of the...
Home on Erik...
Storm in the stratosphere: how the cloud will be reshuffled
Here's a theory I have about cloud vendors (AWS, Azure, GCP):
Cloud vendors1 will increasingly...
over a year ago
Here's a theory I have about cloud vendors (AWS, Azure, GCP):
Cloud vendors1 will increasingly focus on the lowest layers in the stack: basically leasing capacity in their data centers through an API. Other pure-software providers will build all the stuff on top of it.
Jonas Hietala
Breaking the rule of three
It’s pretty darn stressful making a game in a week, especially when you have this big great vision...
over a year ago
It’s pretty darn stressful making a game in a week, especially when you have this big great vision on how your game should be (which is always grand). For me making Balls, Black and White and Jonas IceCream Stand where truly stressful, MenuCity and Bugger not so much but...
Home on Erik...
It's hard to write code for computers, but it's even harder to write code for humans
Writing code for a computer is hard enough. You take something big and fuzzy, some large vague...
2 months ago
Writing code for a computer is hard enough. You take something big and fuzzy, some large vague business outcome you want to achive. Then you break it down recursively and think about all the cases until you have clear logical statements a computer can follow.
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.
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.
Matt Blewitt
Corporate Legibility for Software Engineers
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those...
over a year ago
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those not directly involved. I’ll help you understand why this is an important thing to be aware of and how to use it to help your career.
Jonas Hietala
Installing Krita on Slackware 14.1
This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for...
over a year ago
This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for linux.
removepkg calligra
Install some dependencies from Slackbuilds.
gsl
libgexiv2
libpqxx
pstoedit
Get Krita.
The original guide recommends building in ~/kde4 but I moved i to...
Simply Explained
Filtering spam on YouTube with TensorFlow & AI
My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they...
over a year ago
My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they know how to profit from trading cryptocurrencies or that they can recover lost wallet keys.I've been marking these comments as spam, thinking that YouTube would learn to recognize...
Electronics etc…
Measuring the HP 11720A Pulse Modulator and Coax Cables
Introduction
What is a pulse modulator and what are they used for?
The HP 11720A Pulse...
a year ago
Introduction
What is a pulse modulator and what are they used for?
The HP 11720A Pulse Modulator
Inside the HP 11720A
Measurement Setup for a Quick Testing Session
Pin Modulator Power Measurements with HP 432A
Cable Loss Measurements with HP 432A
Cable Power Measurements with...
Style over Substance
My Home Assistant setup (2023 edition)
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
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.
Jonas Hietala
Goals for Autumn 2016
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read...
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Willem's Blog
Improve your sleep by blocking light
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
over a year ago
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
Notes on software...
Writing a simple JSON path parser
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return...
over a year ago
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return only results in a
list where the a column is an object that contains a
field b that is set to the value 12. What would a
filter(jsonPath, equals, listOfObjects) function...
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough.
The apt-get install debian-zfs command would just hang.
I noticed a...
Jonas Hietala
A simple timeline using CSS flexbox
As I added a /now page to the site I also decided to refresh my /about page and I figured it would...
3 months ago
As I added a /now page to the site I also decided to refresh my /about page and I figured it would be neat to have timeline element where I could list some of the larger events in my life.
To my surprise it wasn’t too difficult to create one that looks pretty clean—the flexbox...
lcamtuf’s thing
Lies, damned lies, and photodiodes
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast...
a week ago
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast or infuriatingly slow.
Home on Erik...
Predicting solar eclipses with Python
As I am en route to see my first total solar eclipse, I was curious how hard it would be to compute...
8 months ago
As I am en route to see my first total solar eclipse, I was curious how hard it would be to compute eclipses in Python. It turns out, ignoring some minor coordinate system head-banging, I was able to get something half-decent working in a couple of hours.
Jonas Hietala
Slackware update
The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my...
over a year ago
The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my installation and I decided to go through with a larger reinstallation once more. This is a log of some things I did differently.
Kernel
Before installing the kernel it’s nice to...
Notes on software...
Finding memory leaks in Postgres C code
This is an external post of mine. Click
here
if you are not redirected.
9 months ago
This is an external post of mine. Click
here
if you are not redirected.
Willem's Blog
For the love of mini
The iPhone Mini has intangible greatness that most folks don't know about: read along for the love...
over a year ago
The iPhone Mini has intangible greatness that most folks don't know about: read along for the love of mini!
Simply Explained
Building a killer NAS with an old Rackable Server
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts,...
over a year ago
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts, taking notes, coding projects, and making videos. I'm storing all these files on Google Drive, which has been very reliable but also a bit risky. What if Google closes my account?...
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Louwrentius
Howto get the hard disk size under Linux?
A: There is no single tool for this job, but it seems that Fdisk is just fine:
server:~# fdisk -l 2>...
over a year ago
A: There is no single tool for this job, but it seems that Fdisk is just fine:
server:~# fdisk -l 2> /dev/null | grep Disk | grep -v identifier
Disk /dev/sda: 500.0 GB, 500028145664 bytes
Disk /dev/sdb: 500.0 GB, 500028145664 bytes
Disk /dev/sdc: 1000.1 GB, 1000123400192...
Home on Erik...
Momentum and mean reversion might just be volatility bias
The Economist just published an article called The best, the worst and the ugly. By looking at...
over a year ago
The Economist just published an article called The best, the worst and the ugly. By looking at historical performance for mutual funds, they find strong support for momentum and mean reversion. Picking the best or the worst fund over the previous five years gives great returns...
Louwrentius
Achieving 450 MB/s network file transfers using Linux Bonding
Linux Bonding
In this article I'd like to show the results of using regular 1 Gigabit network...
over a year ago
Linux Bonding
In this article I'd like to show the results of using regular 1 Gigabit network connections to achieve 450 MB/s file transfers over NFS.
I'm again using Linux interface bonding for this purpose.
Linux interface bonding can be used to create a virtual network...
Home on Erik...
How to build up a data team (everything I ever learned about recruiting)
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people....
over a year ago
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people. Lots of them were rejected but lots of them also got offers. Finally, I've also had my share of offers rejected by the candidate.
Electronics etc…
Teardown of the TM4313 GPS Disciplined Oscillator
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313...
a year ago
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313 Schematic
Frequency or Phase Lock Loop?
OCXO Temperature
The Curious Case of the MAX6192 Voltage Reference
The Discrete Tuning DAC
GPS Module
Microcontroller instead of NMEA Serial...
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a...
over a year ago
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a builtin imperative programming language called
PL/pgSQL. I used to think this language was scary because it has a bit
more adornment than your usual language does. But looking deeper,...
Willem's Blog
Riding with a power meter on your bike
In this post I describe my experience with installing the 4iiii Precision Powermeter on my road...
over a year ago
In this post I describe my experience with installing the 4iiii Precision Powermeter on my road bike.
Home on Erik...
I already found the best gifs
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From...
over a year ago
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
Odds and Ends of...
I'm pro-assisted dying in principle, but I'm not sure about the proposed law
Is no law better than a bad law?
a month ago
Is no law better than a bad law?
computers are bad
2023-04-20 different kinds of differential
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by...
a year ago
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by satellite failure as GPS-guided tractors grind to a
halt." Of course the headline doesn't actually say this, but it does seem
to imply that there has been some kind of failure of...
anderegg.ca
How decentralized is Bluesky really?
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
4 weeks ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece.
The article is long, but very much worth a read. From the conclusion:
Bluesky is built by good people who care, and it is providing...
Home on Erik...
Headcount goals, feature factories, and when to hire those mythical 10x people
When I started building up a tech team for Better, I made a very conscious decision to pay at the...
over a year ago
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
Applied Cartography
Migrating someone who's on Stripe Connect Express
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that:
the author...
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that:
the author has full agency over their account and is the merchant of record;
they can revoke OAuth access from Substack (or whomever) at any time;
Substack continues to take that 10% as an...
Engineers Need Art
VPX Scripting - Part 2 (Linting)
The second in a series of posts about scripting Visual Pinball tables.
8 months ago
The second in a series of posts about scripting Visual Pinball tables.
Posts on Made of...
Measuring Capacity Through Utilization
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts...
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”.
By this I mean: If you look at the behavior of a...
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...
Engineers Need Art
Building Quarter-Cab - Phase I
Lets build a simple virtual pinball controller to bring more immersion to your game.
7 months ago
Lets build a simple virtual pinball controller to bring more immersion to your game.
Lighthouse Blog
How to combine multiple RSS feeds in one view
6 months ago
Neil Madden
Hybrid encryption and the KEM/DEM paradigm
If you know a bit about public key cryptography, you probably know that you don’t directly encrypt a...
over a year ago
If you know a bit about public key cryptography, you probably know that you don’t directly encrypt a message with a public key encryption algorithm like RSA. This is for many reasons, one of which being that it is incredibly slow. Instead you do what’s called hybrid encryption:...
Lars Lofgren
Why I’m Switching Web Hosts
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple....
over a year ago
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple. This was before WP Engine was around. At the time, MediaTemple had carved out a nice niche for themselves as the premium web host. Tim Ferriss also raved about them back in the day....
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...
Neil Madden
From KEMs to protocols
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
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...
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
Talking to customers
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
computers are bad
2023-10-03 overheard overhead
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even...
a year ago
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even intercom, although the accuracy of the latter term can be
questionable. It's probably one of the aspects of business telephone systems
that gets the most public attention, on account...
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