Jonas Hietala
Generating ideas
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up...
over a year ago
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up with 50 ideas using my own idea generation technique.
I used a sort of “notes in the basket” approach where you placed some notes with words in a basket and randomly drew two and...
Jonas Hietala
Groar
Download
Linux 64bit
Windows
So I actually finished Ludum Dare 33. I can’t believe how hard it was...
over a year ago
Download
Linux 64bit
Windows
So I actually finished Ludum Dare 33. I can’t believe how hard it was to actually make something! It continues to amaze me what fantastic stuff everyone manage to make in just 48 hours. This is what I came up with for the theme You are the Monster....
./techtipsy
The minimum viable fan control script
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as...
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as writing crappy
solutions to make up for
deficiencies on the hardware level. After years of dumb experiments I’ve seen
how little you can get away with in cooling and how to run your...
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...
seangoedecke.com RSS...
Talking to ChatGPT costs 5ml of water, not 500ml
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50...
a month ago
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50 responses. Here are some randomly-chosen…
On Life and Lisp
Apple GPU drivers now in Asahi Linux
We’re excited to announce our first Apple GPU driver release!
We’ve been working hard over the past...
over a year ago
We’re excited to announce our first Apple GPU driver release!
We’ve been working hard over the past two years to bring this new driver to everyone, and we’re really proud to finally be here. This is still an alpha driver, but it’s already good enough to run a smooth desktop...
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.
Arduino Blog
Receive an alert when your device goes offline in Arduino Cloud
You’re managing a network of IoT sensors that monitor air quality across multiple locations....
a month ago
You’re managing a network of IoT sensors that monitor air quality across multiple locations. Suddenly, one of the sensors goes offline, but you don’t notice until hours later. The result? A gap in your data and a missed opportunity to take corrective action. This is a common...
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
a month ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
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!
Posts on Made of...
Git in pictures
In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Style over Substance
Using the Olympus XA as an everyday carry camera
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […]
The post Using...
Home on Erik...
Books I read in 2015
Early last year when I left Spotify I decided to do more reading. I was planning to read at least...
over a year ago
Early last year when I left Spotify I decided to do more reading. I was planning to read at least one book per week and in particular I wanted to brush up on management, economics, and technology.
Louwrentius
Why filtering DHCP traffic is not always possible with iptables
When configuring my new firewall using iptables, I noticed something very
peculiar. Even if all...
over a year ago
When configuring my new firewall using iptables, I noticed something very
peculiar. Even if all input, forward and output traffic was dropped, DHCP
traffic to and from my DHCP server was not blocked even if there were no
rules permitting this traffic.
I even flushed all rules,...
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...
./techtipsy
About the time I used Google Drive as a CMS for a web app
Near the beginning of my software development career, I worked on a pretty
standard web application....
over a year ago
Near the beginning of my software development career, I worked on a pretty
standard web application. The project was not a commercial success, but it did
give me a good technical foundation that turned out to be very useful for my
career so far.
For those interested, the tech...
Construction Physics
The Long Road to Fiber Optics
Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
Over the past six decades, advances in computers and microprocessors have completely reshaped our world.
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
Applied Cartography
Applied Cartography × Val Town
Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If...
a month ago
Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If you haven't used Val, well, watch the stream — think live, zero-deploy code snippets that can be arbitrarily extended and executed.)
Reflecting on the experience, the most exciting...
Electronics etc…
Fake Parallel Printer - A Parallel Port Traffic Capturing Tool
Introduction
What Is Out There?
The Parallel Printer Port
Fake Printer Top Level Design Choices
Fake...
a year ago
Introduction
What Is Out There?
The Parallel Printer Port
Fake Printer Top Level Design Choices
Fake Printer HW Details
PCB Revision 1
PCB Revision 2
Firmware
Building a Fake Printer Tool Yourself
Programming the Raspberry Pico
Fake Printer as a USB Serial Device on your...
lcamtuf’s thing
The 101 of analog signal filtering
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
5 months ago
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon Laplace.
Applied Cartography
Finding null JSON values in Postgres
Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the...
7 months ago
Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the Django ORM into
SQL to do weird things, the syntax strikes me as confusing and arcane. As such, when I need to do esoteric things it
takes me longer time than I'd like, and in hopes...
Willem's Blog
Fighting backscatter spam at server level
Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
over a year ago
Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
Abort Retry Fail
The History of Windows 98
Echoes of an Explosion
a year ago
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed.
So I googled around and found this post...
Arduino Blog
You can now work in collaboration in Arduino Cloud
In today’s busy world, getting students or engineers to work together is key to tackling complex IoT...
3 months ago
In today’s busy world, getting students or engineers to work together is key to tackling complex IoT projects. Traditional code sharing and editing methods, like using offline IDEs or swapping files manually, often slow down projects and lead to mistakes. This can be a hassle and...
computers are bad
2024-02-25 a history of the tty
It's one of those anachronisms that is deeply embedded in modern technology.
From cloud operator...
10 months ago
It's one of those anachronisms that is deeply embedded in modern technology.
From cloud operator servers to embedded controllers in appliances, there
must be uncountable devices that think they are connected to a TTY.
I will omit the many interesting details of the Linux terminal...
Computer Ads from...
T/Maker: Tiny Software Company Takes on the Giants (Interview)
An interesting look at a company with less than 20 employees playing with the big boys
2 months ago
An interesting look at a company with less than 20 employees playing with the big boys
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos?
A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
A sentiment analysis on the last 20 videos of Kurzgesagt.
Louwrentius
Why I do not use ZFS as a file system for my NAS
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I...
over a year ago
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I have multpile reasons why I do not use ZFS and probably never will.
** A lot has changed since this article was first published. I do now recommend using ZFS. I've also based my...
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
Matt Blewitt
Tools for a Culture of Writing
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to...
over a year ago
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to each other. With significant room for misunderstanding, biases, assumptions and cultural differences, communicating with other engineers (or to stakeholders) appears fraught....
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.
Good Enough
How We Built Quack (Beta)
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any...
a year ago
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any Markdown text. This software is completely front-end based, and for me personally it was a bit of a challenging puzzle to implement. Thankfully we have genius hackers like Arun...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 5: The Purge
a month ago
Arduino Blog
A DIY weather display with dedicated outdoor sensor station
Weather stations are popular projects in the maker community because they’re useful and usually...
6 months ago
Weather stations are popular projects in the maker community because they’re useful and usually quite affordable to construct. But most that we see are really weather information displays that gather data through the internet from stations in the region. That data is fairly...
Willem's Blog
Assembling a cargo bike
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Buck on Software
23 things you should know
1: Management’s true confidence is reflected in how fast they are hiring
over a year ago
1: Management’s true confidence is reflected in how fast they are hiring
Notes on software...
Coolest hard-tech companies in NYC 2021
For years I've kept a private list of really cool tech companies in
NYC. Now that I'm funemployed...
over a year ago
For years I've kept a private list of really cool tech companies in
NYC. Now that I'm funemployed it's the perfect time to publish. This
list is influenced by 1) my perception of the difficulty of the
engineering behind the product and 2) the company's educational and
OSS...
On Life and Lisp
The Federation Fallacy
Throughout the free software community, an unbridled aura of justified mistrust fills the air:...
over a year ago
Throughout the free software community, an unbridled aura of justified mistrust fills the air: mistrust of large corporations, mistrust of governments, and of course, mistrust of proprietary software. Each mistrust is connected by a critical thread: centralisation.
Thus,...
Applied Cartography
Notes on Zed, revisited
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment.
Six months later, I spent a few days using it as my daily...
Willem's Blog
Enter text without keys
Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a...
over a year ago
Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a mouse or keyboard!
Louwrentius
Benchmarking storage with Fio and generating charts of the results
Introduction
Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of...
over a year ago
Introduction
Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of options to create a storage benchmark that would best reflect your needs. Fio allows you to assess if your storage solution is up to its task and how much headroom it has.
Fio outputs...
Applied Cartography
buttondown.com/alternatives
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools...
a week ago
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools to be. There is a ton of room in these markets for healthy and friendly competition — and no need at all for winner-take-all or monopolist attitudes.
First off — credit where it's...
computers are bad
2023-10-15 go.com
Correction: a technical defect in my Enterprise Content Management System
resulted in the email...
a year ago
Correction: a technical defect in my Enterprise Content Management System
resulted in the email having a subject that made it sound like this post would
be about the classic strategy game Go. It is actually about a failed website.
I regret the error; the responsible people have...
Good Enough
Season 3, Issue 1: Whale, Hello There!
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work,...
a year ago
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work, and there’s only so much time we have, and there was the winter break and Shawn kept getting sick—we have many excuses, how much time do you have?
Gosh, since July of last year?...
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
Jonas Hietala
An update on my book 'Why Cryptocurrencies?'
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to...
over a year ago
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to finish the book.
Sorry that’s a bit of a lie, I’ve had a nice long vacation where I didn’t work on the book and I’m also on part-time parental leave. And believe me there’s not a...
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.
Vitalik Buterin's...
A Note On Charity Through Marginal Price Discrimination
over a year ago
Jonas Hietala
Let's build a VORON: Smaller fixes
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d...
10 months ago
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time.
But of course, I’ve been slowly working through my large mods-I-want list.
My initial plan was to...
Notes on software...
Standard ML in 2020
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML#...
over a year ago
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML# and
SML/NJ
are the most prominent. Discussion on the future direction of Standard
ML remains healthy as
well.
And somehow OCaml's lesser known cousin still beats out OCaml...
Louwrentius
Example of a home networking setup with VLANs
Updated October 24, 2012, see below.
This post is a description of my home network setup based on...
over a year ago
Updated October 24, 2012, see below.
This post is a description of my home network setup based on gigabit ethernet. I did a non-standard trick with VLANs that may also be of interest to other people. I'm going to start with a diagram of the network. Just take a look (click to...
Arduino Blog
Arduino IDE 2.3.3: discover new support for shared spaces and more!
We’re excited to announce that the Arduino IDE 2.3.3 is now live! What’s in the new version This...
2 months ago
We’re excited to announce that the Arduino IDE 2.3.3 is now live! What’s in the new version This new release is packed with improvements, including one feature we’re particularly proud of: support for shared spaces in Arduino Cloud. If you have a Cloud Business plan or School...
Jonas Hietala
Microfeatures in my blog
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and...
5 months ago
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and Personal Websites, and together with the related Hacker News discussion I got nerd sniped.
(I spent more time than I care to admit implementing new and exciting microfeatures for...
On Life and Lisp
OpenGL 3.1 on Asahi Linux
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
Willem's Blog
iPad Pro next to my primary machine
Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Jonas Hietala
Bitcoin Cash needs a Specification
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a...
over a year ago
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a bunch of heated debates between the different Bitcoin Cash developer teams. Something that stood out from all the noise was problems with communications and a lack of specification...
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
4 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Engineers Need Art
Virtual Pinhead
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
8 months ago
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
Engineers Need Art
Offline Advocate
Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of...
a month ago
Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of mind.
Avestura's Blog
An opinion on what's a good general-purpose programming language
What features should a programming language have to be ideal, in my opinion?
over a year ago
What features should a programming language have to be ideal, in my opinion?
Jonas Hietala
Rising from the Dead, it's Ludum Dare
I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Old Vintage...
Ward Christensen dies
There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
./techtipsy
LattePanda V1 - my experience with a Raspberry Pi alternative
As with many homelab experiments around 2022/2023, it all started with Raspberry Pi-s
being either...
a year ago
As with many homelab experiments around 2022/2023, it all started with Raspberry Pi-s
being either out of stock or absurdly overpriced.
I once noticed a listing for a LattePanda V1 on a local auction site.
The price was reasonable at 45 EUR, and after I looked at the...
Notes on software...
My favorite software subreddits
Originally published on December 5, 2021.
If you are an experienced software developer whose only...
a year ago
Originally published on December 5, 2021.
If you are an experienced software developer whose only exposure to
reddit is dank memes, proggit or even
language-specific subreddits like
/r/python, you're missing out.
What follows are my favorite subreddits in tech. My criteria is...
./techtipsy
Testing GPU passthrough on AMD Ryzen 7 5700G APU
Introduction
Before we jump into all the nitty-gritty details, I’d like to go over what we are...
over a year ago
Introduction
Before we jump into all the nitty-gritty details, I’d like to go over what we are dealing with here since these topics
may be unfamiliar to you. VFIO is quite a niche topic and not everyone knows about it.
GPU passthrough: the process of allowing a VM...
Matt Blewitt
7 Languages in 7 Weeks for 2025
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a...
3 weeks ago
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a hands on tour of Ruby, Clojure, Haskell, Io, Scala, Erlang and Prolog. Ruby achieved critical mass, to some degree so did Scala, with the others being popular within their specific...
Jonas Hietala
Focusing Attention: Study Hacking
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my...
over a year ago
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my part.
But the past is the past and this week I’m going to be study focused. Not that I need to study, but I really need to rework my study technique. I’ve been going on like a classical...
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...
Notes on software...
Tail call elimination
In this post we'll explore what tail calls are, why they are useful,
and how they can be eliminated...
over a year ago
In this post we'll explore what tail calls are, why they are useful,
and how they can be eliminated in an interpreter, a compiler targeting
C++, and a compiler targeting LLVM IR.
Tail calls
A tail call is a function call made at the end of a block that
returns the value of the...
Posts on Made of...
Automounting sshfs
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
./techtipsy
Steam local network game transfers are a game-changer
Steam recently launched a new feature: local network game transfers.
The idea is simple: if you have...
a year ago
Steam recently launched a new feature: local network game transfers.
The idea is simple: if you have a game downloaded on another PC and you’re both on the same local network, then Steam can download game data
from that PC, avoiding the need to download the game over public...
Jonas Hietala
MenuCity
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit.
My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Arduino Blog
Arduino Nicla Sense Env: adding advanced environmental sensing to a broad range of applications
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of...
2 months ago
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of system-on-modules and sensor nodes, empowering innovators with the tools to unlock new possibilities. This tiny yet powerful sensor node is designed to elevate your environmental...
somenice
RGB Input Range Sliders
R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range...
4 months ago
R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range type sliders to control the color of an LED.Each color channel change triggers an update to read the value, convert it to a hex code (eg. #FF0000), update the output element value,...
Louwrentius
'A Moment Of Silence: OpenSolaris Is Dead'
The last release of OpenSolaris dates back to July 2009. The next release was
scheduled for March...
over a year ago
The last release of OpenSolaris dates back to July 2009. The next release was
scheduled for March 2010, but Oracle did not release anything. It is dead
silent around OpenSolaris.
On 12 July 2010, the OpenSolaris Government Board sent out an ultimatum
to Oracle: "please...
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806)
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!-...
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl)
13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Posts on Made of...
Transformers for software engineers
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Matt Mullenweg
Those Other Lawsuits
It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited...
2 months ago
It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited two people who took care of my Mom—an assistant and one of her dozen nurses—to resign and demand a million dollars each, or they would publish horrible things about her in a lawsuit....
Engineers Need Art
Tom Dowdy
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
Notes on software...
Exploring Postgres's arena allocator by writing an HTTP server from scratch
This is an external post of mine. Click
here
if you are not redirected.
a month ago
This is an external post of mine. Click
here
if you are not redirected.
somenice
Matter as a Smart home standard
Matter is the name of the smart home standard that promises to bridge IOT devices and different home...
8 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
Vitalik Buterin's...
Gitcoin Grants Round 9: The Next Phase of Growth
over a year ago
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Louwrentius
HP Procurve "auto DoS" feature causing network problems
A feature on more recent HP Procurve models (18xx series, such as 1810G etc.)
is called "Auto DoS"....
over a year ago
A feature on more recent HP Procurve models (18xx series, such as 1810G etc.)
is called "Auto DoS". You can find it in the section "Security" and then
"Advanced security".
If you enable the Auto DoS feature, traffic is blocked based on one of these
conditions:
the source port...
seangoedecke.com RSS...
Acing the coding challenge
How do you write a successful coding challenge? Unlike some nightmare whiteboard interview...
over a year ago
How do you write a successful coding challenge? Unlike some nightmare whiteboard interview scenarios, typically a coding challenge is not a…
Jonas Hietala
Battling burnout
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and...
a year ago
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and after about a year I’m finally feeling more like myself.
Even though I’ve been here before, it’s a difficult thing to recognize and avoid, so I’m writing this to maybe help you or my...
Notes on software...
A minimal distributed key-value database with Hashicorp's Raft library
When I wrote the "build a distributed PostgreSQL proof of
concept" post I first had to figure...
over a year ago
When I wrote the "build a distributed PostgreSQL proof of
concept" post I first had to figure out
how to use Hashicorp's Raft
implementation.
There weren't any examples I could find in the Hashicorp repo
itself. And the only example I could find was Philip O'Toole's
hraftd. It's...
Louwrentius
Linux: get a list of al disks and their size
To get a list of all disk drives of a Linux system, such as this:
Disk /dev/md0: 58.0 GB
Disk...
over a year ago
To get a list of all disk drives of a Linux system, such as this:
Disk /dev/md0: 58.0 GB
Disk /dev/md1: 2015 MB
Disk /dev/md5: 18002.2 GB
Disk /dev/sda: 60.0 GB
Disk /dev/sdb: 60.0 GB
Disk /dev/sdc: 1000.1 GB
Disk /dev/sdd: 1000.1 GB
Disk /dev/sde: 1000.1 GB
Disk /dev/sdf: 1000.1...
Jonas Hietala
Going into Being Busy mode
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or...
over a year ago
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or something? So I can’t promise a game the next two months. Kinda beats the point of this site doesn’t it? I’m really sorry and that’s all I can say really…
Hopefully I’ll get a week...
Home on Erik...
Lessons from content marketing myself (aka blogging) for five years
I started writing this blog in late 2012, partly because I felt like it would help me improve my...
over a year ago
I started writing this blog in late 2012, partly because I felt like it would help me improve my English and my writing skills, partly because I kept having a lot of random ideas in my head and I wanted to write them down somewhere.
computers are bad
2023-07-29 Free Public WiFi
Remember Free Public WiFi?
Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
Remember Free Public WiFi?
Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza
in Atlanta, Georgia. This was in the age when the price of a hotel room was
directly correlated with the price of the WiFi service, and as a high school
student I was not...
Abort Retry Fail
Housekeeping for 20240102
Some stats, updates, and whatnot
11 months ago
Some stats, updates, and whatnot
Home on Erik...
New approximate nearest neighbor benchmarks
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
Louwrentius
WFS - WAN Failover Script now available
Since I could not find a WAN failover script for Linux to my likening, I wrote
one myself. If you...
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote
one myself. If you have any use for it: I put it on a Google code project.
WFS tests the availability of your primary WAN connection and switches to your
secondary / backup connection when a failure is...
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...
Jonas Hietala
Computer upgrade
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some...
a year ago
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some pictures about the process.
It was time
I didn’t really want to do an upgrade right now, but I felt I had to do it.
Sometimes the lag had gotten very noticeable, for example when...
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 –...
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
2 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
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...
Old Vintage...
xa (xa65) 2.4.1
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02,...
9 months ago
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02, R65C02 and 65816 processors that André and I maintain is now at version 2.4.1. This optionally expands the syntax from 2.4.0 and fixes some bugs primarily with relocatable .o65...
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.
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Arduino Blog
This machine automatically creates chain art
Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
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...
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID
Just a quick link:
Some person build basically the same setup, including identical...
over a year ago
Just a quick link:
Some person build basically the same setup, including identical controller,
providing 28 TB of storage: Take a look here
The main difference is that this person uses 1.5 TB disk, thus achieving more
storage.
Willem's Blog
Beast of the Green Hell
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
over a year ago
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
computers are bad
2024-08-19 mining for meteors
Billboards
Route 66 is often viewed through the lens of its billboards. The Jack Rabbit
Trading...
4 months ago
Billboards
Route 66 is often viewed through the lens of its billboards. The Jack Rabbit
Trading Post, a small store a few miles out of Joseph City, would hardly be
remembered were it not for its billboards spanning four states. The tradition
of far-advance billboards is still...
Louwrentius
I switched my blog from Blogofile to Pelican
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile...
over a year ago
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile but I switched to Pelican.
Blogofile has seen almost no updates over the years and I consider the project dead. Realising that blogofile is dead, I decided to look around for...
Abort Retry Fail
The Birth of Windows Gaming
Software is a fluid that expands to fill its container
a year ago
Software is a fluid that expands to fill its container
./techtipsy
What changing the CPU on a laptop looks like
This post illustrates something that is not common on modern laptops:
changing the...
over a year ago
This post illustrates something that is not common on modern laptops:
changing the CPU.
Background
One of the modifications that you can do to a ThinkPad T430 laptop is changing
the CPU to a more powerful quad core model. That’s exactly what I did back in 2017,
but due to the...
latest projects -...
LED Matrix Earrings
[Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
10 months ago
[Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise
Ambitious companies form management teams at every level above you,
sometimes including you....
over a year ago
Ambitious companies form management teams at every level above you,
sometimes including you. Management teams meet periodically and have
private chat rooms. They discuss customers, product and organizational
direction. Sometimes discussions are well documented and...
Arduino Blog
Using Arduino UNO to sync a visual neuroscience lab
Common research methods to study the visual system in the laboratory include recording and...
2 months ago
Common research methods to study the visual system in the laboratory include recording and monitoring neural activity in the presence of sensory stimuli, to help scientists study how neurons encode and respond, for example, to specific visual inputs. One of the biggest technical...
Jonas Hietala
Mailto: links with FastMail in Firefox
You can change the application to handle mailto: links in Firefox in Preferences -> Applications....
over a year ago
You can change the application to handle mailto: links in Firefox in Preferences -> Applications. The problem is that you can’t input custom urls and some email providers, like hotmail or fastmail, aren’t supported. I managed to fix it with the plugin MailtoWebmails. It annoys me...
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...
Home on Erik...
Buffet lines are terrible, but let's try to improve them using computer simulations
My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives....
over a year ago
My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives. I've suspected for years that the “classic” buffet line system is a deeply flawed and inefficient method, and every time I'm stuck in the line has made me more convinced.
Willem's Blog
Fietselfstedentocht 2017
Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Cycling the 235KM long Fietselfstedentocht through Friesland
Jonas Hietala
Giving the blog a facelift
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me:
It wasn’t pretty (even ugly in some parts).
No dark mode support.
Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
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...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
9 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the dominance of the x86 architecture that continues to the present.1
One...
Electronics etc…
HP 33120A Repair - Shutting Down the Eye of Sauron
Introduction
Opening Up an HP 33120A
A Walk Through the Block Diagram
Bug Hunting
Zener...
a year ago
Introduction
Opening Up an HP 33120A
A Walk Through the Block Diagram
Bug Hunting
Zener Replacement
Staring at the Eye of Sauron
FLIR IR Imaging
To Destroy a PCB in Order to Save It
Circuit Reconstruction
Success!
Trust but Verify
Conclusion
References
Introduction
When the...
Vitalik Buterin's...
Why sharding is great: demystifying the technical properties
over a year ago
Notes on software...
Writing a Jinja-inspired template library in Python
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be...
over a year ago
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be able to display variables and iterate
over arrays.
By the end of this article, with around 300 lines of code, we'll be
able to create this program:
from pytemplate import...
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...
Good Enough
The Space Between Us
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
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...
Nabeel S. Qureshi
Notes on Karl Popper
A woven web of guesses
over a year ago
Jonas Hietala
March Theme: 10 seconds
Well well here’s something interesting. The Experimental Gameplay Project has given us a really...
over a year ago
Well well here’s something interesting. The Experimental Gameplay Project has given us a really interesting thing to focus on: Time. Like Braid, it’s time for us to make something interesting with time itself. 10 seconds is the constraint and that’s not a lot, but perhaps enough?
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.
Simply Explained
My Sixth Year as YouTube Creator (statistics + retrospective)
Every new year I reflect on the previous year and set new goals. Last year has been my most...
over a year ago
Every new year I reflect on the previous year and set new goals. Last year has been my most successful year on YouTube so far, and I'd like to share some statistics and thoughts. I will also go over how my email newsletter is doing and where I'm headed. And finally, I'll set...
Arduino Blog
Hey Google! Meet Arduino Cloud
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
7 months ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions. This new...
Willem's Blog
Off the grid: Working on 100% renewable energy
Learning from powering my personal devices using nothing but self generated electricity using a...
over a year ago
Learning from powering my personal devices using nothing but self generated electricity using a solar panel and power banks.
Posts on Made of...
Navigating the Linux Kernel
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way...
over a year ago
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way around the Linux kernel. I’m not sure I have much in the way of systematic advice for tracking down the answers to questions about the Linux kernel, but thinking about what I do when...
Willem's Blog
Building the blog... in style!
Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
Find out if it is possible to turn a computer from the 90s into a modern development machine.
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp
Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
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...
Willem's Blog
The day I sold my car
This week I sold my car, I now no longer own one. I look back at my years of owning a sports car, if...
over a year ago
This week I sold my car, I now no longer own one. I look back at my years of owning a sports car, if you're looking for a reason to buy one you should check this out.
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?...
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd...
over a year ago
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd like to be able to render this page in a web browser. If
the server is hosted locally we may want to enter
localhost:9000/hello-world.html in the address bar, hit
enter, make a...
Jonas Hietala
October theme says: Numbers
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
watchTowr Labs -...
Veeam Backup & Response - RCE With Auth, But Mostly Without Auth (CVE-2024-40711)
Every sysadmin is familiar with Veeam’s enterprise-oriented backup solution, ‘Veeam Backup &...
3 months ago
Every sysadmin is familiar with Veeam’s enterprise-oriented backup solution, ‘Veeam Backup & Replication’. Unfortunately, so is every ransomware operator, given it's somewhat 'privileged position' in the storage world of most enterprise's networks. There's no point deploying...
Louwrentius
'Linux: show graphical layout of disk temperatures'
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a...
over a year ago
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a small
script. The output of this script looks like this:
This output is tailored to the exact disk lay-out of my storage
server. However, it is also usable for other servers. You have to...
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Louwrentius
My home lab server with 20 cores / 40 threads and 128 GB memory
Update fall 2024
I have decided to decomission this machine and it is no longer in use.
As of this...
over a year ago
Update fall 2024
I have decided to decomission this machine and it is no longer in use.
As of this moment, it's replaced by a cluster of four 1L PCs which use about a third of the idle power usage and boot within 20 seconds. The single-core performance of these low-power 1L PCs...
Good Enough
PEOs are Good Enough (for us)
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about!
If...
Jonas Hietala
Autocomplete with nvim-cmp
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I...
7 months ago
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I must assume most programmers—use all the time.
It’s not as crucial for writing blog posts as when you’re coding but it’s still easy to come up with examples of how autocomplete...
Willem's Blog
I see dead people
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old...
3 months ago
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old photos into lifelike representations.
Jonas Hietala
My first netrunner store championship
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more.
So this Sunday I went to...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 3. LLVM
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
...
over a year ago
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
6. an x86 upgrade
In this post we'll extend the
compiler to emit LLVM
IR as an option instead of...
somenice
Painting of Russet Lake
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the...
3 months ago
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the natural world is alive with vibrant colours and serene beauty. One of the most stunning scenes unfolds at Russet Lake, where the iconic Fissile Mountain is mirrored perfectly in the...
Vitalik Buterin's...
What else could memecoins be?
8 months ago
Willem's Blog
Is the Apple Watch the modern tool watch?
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
over a year ago
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Louwrentius
The kind of sound you never want to hear from your computer
The sounds of hard drives that have perished
These sounds are only frightening or scary if you...
over a year ago
The sounds of hard drives that have perished
These sounds are only frightening or scary if you imagine your precious data
only exists on that failing drive. If you make consistent and frequent backups
and/or you run a fault-tolerant RAID flavour, it is but a nuisance.
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Old Vintage...
The Living Computers Museum finally isn't
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are...
5 months ago
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are now on a better footing (more articles are in the hopper). Unfortunately, the same apparently can't be said for the once-great Living Computers Museum + Labs in Seattle,...
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.
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother
Web 3.0 was not about the blockchain, thank god
4 months ago
Web 3.0 was not about the blockchain, thank god
Style over Substance
Our favorite places to eat and drinks during our Portugal vacation
In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a...
7 months ago
In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a short city trip a few years earlier, and that experience was so good we knew we had to return. This time, we decided to take a full three weeks and see the sights. We were...
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Matt Blewitt
7 Databases in 7 Weeks for 2025
I’ve been running databases-as-a-service for a long time, and there are always new things to keep...
3 weeks ago
I’ve been running databases-as-a-service for a long time, and there are always new things to keep abreast of - new technologies, different ways of solving problems, not to mention all the research coming out of universities. In 2025, consider spending a week with each of these...
Willem's Blog
Measuring cholesterol levels in blood
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know...
over a year ago
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know your LDL, HDL and Triglycerides numbers with a simple test.
Vitalik Buterin's...
Plurality philosophy in an incredibly oversized nutshell
4 months ago
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
How to escape file names in bash shell scripts
After fighting with Bash for quite some time, I found out that the following
code provides a nice...
over a year ago
After fighting with Bash for quite some time, I found out that the following
code provides a nice basis for escaping special characters. Ofcource it is not
complete, but the most important characters are filtered.
If anybody has a better solution, please let me know. It works and...
computers are bad
2024-08-12 a pedantic review of the las vegas loop
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty...
4 months ago
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty universally known by now that the "Las Vegas Loop" is
impractical, poorly thought out, and generally an embarrassment to society and
industry. I will spare an accounting of the...
Abort Retry Fail
The History of Windows NT 3.1
A Highly Portable Future
a year ago
Willem's Blog
The joy of a simple laptop
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the...
over a year ago
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the experience!
Home on Erik...
Benchmark of Approximate Nearest Neighbor libraries
Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you...
over a year ago
Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you have a high (1-1000) dimensional space with points in it, and you want to find the nearest neighbors to some point.
Jonas Hietala
2012 in Review
Like the last two years I’m summarizing the year. At the end of the year like this it always feel...
over a year ago
Like the last two years I’m summarizing the year. At the end of the year like this it always feel like I didn’t accomplish much, but after the yearly summary it always feels better.
2012 Geek Achievements
Designed a processor which fulfills the Core Wars 88 standard. Includes a...
Applied Cartography
Tailwind black magic: styling paragraphs within tables
The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's...
8 months ago
The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's typography plugin — which makes it really easy to author beautiful docs in plaintext.
We ran into one small issue, which is that the Markdoc renderer likes to place paragraph tags in table...
Neil Madden
I still don’t really get “hash shucking”
If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Louwrentius
Release of PPSS - the Parallel Processing Shell Script
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use...
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use of the current multi-core CPUs. It will detect the number
of available CPUs and start a thread for each CPU core.
This script is build with the goal to be very easy to use. Also,...
Good Enough
You Complete Me
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
2 weeks ago
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one or two people who were
only semi-serious about a business), it was fun to play around with building websites.
Shawn and I were truly just playing and exploring, more than anything...
Willem's Blog
Creating a minimal iPhone stand
Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
over a year ago
Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
Louwrentius
My home network setup based on managed switches and VLANs
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear.
So this is my setup (click for a bigger version):
I like to run my own router but...
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...
Jonas Hietala
August theme: Bare Minimum
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next...
over a year ago
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next game. This could really be anything, from graphics to user interaction… But I’ve got an idea. It’ll be a real challange for me to make but hopefully I’ll have a game in a few weeks...
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.
./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...
Notes on software...
Compiling dynamic programming languages
It can be difficult to disassociate the idea that dynamically typed
programming languages are tied...
over a year ago
It can be difficult to disassociate the idea that dynamically typed
programming languages are tied to byte-code interpreters (e.g. YARV
Ruby, CPython, V8, Zend Engine, etc.). But for many languages, a
compiled implementation also exists. Cython, Chicken Scheme and SBCL
are good...
Notes on software...
A reawakening of systems programming meetups
This year has seen a resurgence in really high quality systems
programming meetups. Munich...
5 months ago
This year has seen a resurgence in really high quality systems
programming meetups. Munich Database
Meetup, Berlin
Systems Group, SF Distributed
Systems Meetup, NYC
Systems, Bengaluru
Systems, to name a few.
This post summarizes a bit of disappointing recent tech meetup
history,...
Odds and Ends of...
Here's how AI can REDUCE health misinformation
How the government can build a bullshit detector
2 months ago
How the government can build a bullshit detector
Matt Mullenweg
Falling Snow
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
4 days ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Computer Ads from...
Suture Software's Bludgeons 'n' Braggarts
We very simply give you what you've been asking for -- we give you BLOOD
9 months ago
We very simply give you what you've been asking for -- we give you BLOOD
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I...
over a year ago
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I walked through the basics of PL/pgSQL, the embedded procedural
language inside of PostgreSQL. It covered simple functions, recursions
and parsing. But there was something very...
Jonas Hietala
Game Design Analysis: World of Goo
Introduction
This is the second essay for the course Game Design and this thime I will be analysing...
over a year ago
Introduction
This is the second essay for the course Game Design and this thime I will be analysing the game World of Goo a bit.
The first level
The game is very simple. You begin with a structure and a few Goo balls, the charming balls bobbing around there, which you can drag...
Jonas Hietala
New Computer!
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are).
The specs:
GPU: Gigabyte GeForce GTX 550Ti OC 1GB
CPU: Intel core i5 2500K
CPU cooler: Zalman CNPS-9900NT
Motherboard: MSI P67A-C45 REV B3
Ram:...
Louwrentius
Personal Security: erase your computer or phone before repair
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have...
over a year ago
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have to find some other person with greater computer knowledge to repair their computer or phone. That person will then be able to access all data stored on their computer or phone.
By...
somenice
Generative 3D Modeling
Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as...
5 days ago
Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as reviews had been quite favourable with results creating 3D models with “AI”. The website describes the technology as unified Structured LATent (SLAT) representation and there is a...
Louwrentius
Configuring, attacking and securing VRRP on Linux
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple...
over a year ago
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple routers in an active/passive configuration. If the primary router fails, the backup router takes over almost seamlessly.
This is how VRRP works:
Clients connect to a virtual...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in...
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in 2012.
It’s not the fastest laptop out there, but it is plenty fast for a number of
tasks, even most software development work.
I also try to keep my machines up to date and properly...
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.
computers are bad
2024-11-23 cablesoft
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful...
4 weeks ago
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful teletext services in the UK and Europe. "Teletext" is
sometimes a confusing term because of its apparent relation to telecom-industry
technologies like the teletypewriter and...
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...
Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Posts on Made of...
Fun with the preprocessor: CONFIG_IA32_EMULATION hacks in Linux
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that...
over a year ago
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that could crash essentially any 64-bit Linux machine with 32-bit compatibility enabled. LWN has an excellent writeup of the bug, which turns out to be a subtle error related to the details...
Vitalik Buterin's...
STARKs, Part I: Proofs with Polynomials
over a year ago
Louwrentius
Google DNS - what to think of it?
Google now provide an open DNS service. At first I was scared that they use
their service to get...
over a year ago
Google now provide an open DNS service. At first I was scared that they use
their service to get information about users.
However, their privacy statement tells us that no personal identifiable
information is stored for longer than 48 hours. The permanent logs do not
contain such...
Christian Selig
My little Apple Vision Pro stand
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s...
10 months ago
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s beautiful stands that exist out there, but I was looking for something more compact and vertical so it would take up less room on my desk.
So I opened Fusion 360 (which I am still...
Home on Erik...
Some more font links
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Jonas Hietala
Regex substitution with unicode in Haskell
While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t...
over a year ago
While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t work. The culprit was unicode in the document which the regex library couldn’t handle.
Apparently while this would be supported by default by almost all modern languages it’s not the...
Louwrentius
Highpoint RocketRAID 2320 on Debian howto
Get the 'open source' driver from www.highpoint-tech.com. (It's not open
source, it uses a closed...
over a year ago
Get the 'open source' driver from www.highpoint-tech.com. (It's not open
source, it uses a closed binary driver.)
http://www.highpoint-tech.com/USA/bios_rr2320.htm
Install the kernel headers if you haven't already
- apt-get install linux-headers-2.6.18-6-k7
- extract the...
./techtipsy
This page looks better in the app
You’re a web developer at a social media company that has recently made a big push for
modernizing...
over a year ago
You’re a web developer at a social media company that has recently made a big push for
modernizing their frontend for the mobile-first era. It has taken a lot of time and effort from many people.
Countless challenges, arguments, testing.
The release is near. You’re probably a bit...
Lars Lofgren
The Stupidity of Google’s Site Reputation Abuse Policy
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of...
a month ago
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of pages in Google. The SEO community refers to this type of thing as parasite SEO. Google has gone so far as to publish an official policy (documented here) on how this isn’t allowed:...
computers are bad
2024-10-12 commercial HF radio
According to a traditional system of classification, "high frequency" or HF
refers to the radio...
2 months ago
According to a traditional system of classification, "high frequency" or HF
refers to the radio spectrum between 3 and 30 MHz. The label now seems
anachronistic, as HF is among the lowest ranges of radio frequencies that see
regular use. This setting of the goalposts in the early...
Jonas Hietala
addwatch: resource exhausted
While tampering with Hakyll and running site preview I stumbled upon this error message:
site:...
over a year ago
While tampering with Hakyll and running site preview I stumbled upon this error message:
site: addWatch: resource exhausted (No space left on device)
At first I tried to clear /tmp but, so clearly the device did have some space left. After a bit of googling I found a solution...
Louwrentius
'Linux: monitor a directory for files'
Inotify is a mechanism in the Linux kernel that reports when a file system
event occurs.
The...
over a year ago
Inotify is a mechanism in the Linux kernel that reports when a file system
event occurs.
The inotifywait comand line utility can be used in shell scripts to monitor
directories for new files. It can also be used to monitor files for changes.
Inotifywait must be installed and is...
Bryan Braun - Blog
Setting up your /now page with an RSS feed
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now...
a month ago
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes.
The problem is that RSS feeds aren’t...
Ian's Blog
Having a Website Used to Be Fun
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
a month ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Jonas Hietala
Bitcoin's security isn't binary
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s...
over a year ago
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s security isn’t binary. In fact security in general isn’t black and white. It’s a trade-off being secure enough for your threat model vs the cost and feasibility of your...
Louwrentius
Is there an easy and secure way to transfer files?
Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic.
Many organisations do not seem too concerned about...
Birchtree
My default apps of 2024
Last year I was the 27th of four hundred and freaking eight people to write about their default...
5 hours ago
Last year I was the 27th of four hundred and freaking eight people to write about their default apps, and I though it would be fun to turn this into a tradition and revisit the list to see if anything has changed since last year.
✨ next to each change
Bryan Braun - Blog
The flood of AI website builders
There are so many of them.
instead of markdown to enable lazy-loading -->
How good...
7 months ago
There are so many of them.
instead of markdown to enable lazy-loading -->
How good are these site builders? I don’t know.
Are you worried about job security? I have two thoughts…
1. We’ve seen this before
Wordpress, Squarespace, Shopify, Webflow… all these tools...
Jonas Hietala
Customizing Neovim
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing...
7 months ago
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing code
I’ve been using Neovim since it forked from Vim almost 8 years ago, and I used Vim many years before that.
I feel quite comfortable with Neovim, and I’ve gone down the...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
7 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO). Known for...
Matt Mullenweg
UH Magazine, Revisiting My Alma Mater
My father attended University of Houston, and it’s where I went to college to study political...
a week ago
My father attended University of Houston, and it’s where I went to college to study political science, I started WordPress when there, and then dropped out after two years to move to San Franisco. It was fun seeing UH Magazine feature an article about my journey from a University...
Willem's Blog
Lunch by plane
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
over a year ago
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
Simply Explained
Retrospective: My Fifth Year on YouTube
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Arduino Blog
Can this tiny lawn mower robot cut it in the real world?
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Louwrentius
LFS - Linux Firewall Script released
I started a small new Google project for a new script I wrote called LFS.
It stands for Linux...
over a year ago
I started a small new Google project for a new script I wrote called LFS.
It stands for Linux Firewall Script.
I run a small Linux box as an internet router that doubles as a firewall. The
firewall is configured using iptables. In my opinion, iptables is not the
easiest tool to...
Home on Erik...
What is your motivation?
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Louwrentius
'Linux: unattended installation with Debian preseeding'
Debian Linux provides a mechanism to install the operating
system without user intervention. This...
over a year ago
Debian Linux provides a mechanism to install the operating
system without user intervention. This mechanism is called 'preseeding' and is
similar to Red Hat Kick Start and Sun Solaris Jump Start.
The basic idea is that the installer is fed a recipe, according to which the
system...
latest projects -...
3D Model Viewer Improvements
[Software] Unlocking the embedded gimbals
a year ago
[Software] Unlocking the embedded gimbals
Engineers Need Art
VPX Scripting - Part 5 (DOF)
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
Jonas Hietala
Early Christmas Present
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and...
over a year ago
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and Veronica opened our Christmas presents a bit early - we’re impatient like that.
I got one of the best presents yet I think! A Raspberry Pi!
Just look at this bad boy!
She got some...
Posts on Made of...
amd64 and va_arg
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t...
over a year ago
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t support the va_arg intrinsic, used by functions to accept multiple arguments, at all on amd64. It turns out that clang and llvm-gcc, the compilers that backend to LLVM, have their own...
Vitalik Buterin's...
Layer 2s as cultural extensions of Ethereum
6 months ago
Good Enough
Season 3, Issue 2: Britney Coltrane
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I...
a year ago
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I tried to deal with the company-side of work: setting up payroll, health insurance, and making sure we’re compliant (hello, bureaucracy!). Back in the day when Danny and I started...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
7 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the success of the x86 architecture.
The designers of the IBM PC selected...
Good Enough
How We Built Unique Social Preview Images for Pika
One of the goals of Pika,
the happy blogging software that we recently launched,
is to help you find...
10 months ago
One of the goals of Pika,
the happy blogging software that we recently launched,
is to help you find your own place on the internet.
Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home,
which you've likely taken...
Jonas Hietala
No game this month
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
Willem's Blog
Cyber security: 5 easy tips to protect your server against hackers
These 5 practical cyber security measures will improve the safety of server, website and data.
over a year ago
These 5 practical cyber security measures will improve the safety of server, website and data.
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
10 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
Louwrentius
Why the iPad will be a breakthrough in human computing
The fact is that computers aren't made for humans. Computers are just made,
and humans have to...
over a year ago
The fact is that computers aren't made for humans. Computers are just made,
and humans have to adjust to them.
The problem is that most people that are not into technology just don't
understand how computers work. Should I single click of double click? Click
left or right?
The...
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
Old Vintage...
Thou shalt follow these Vintage Computing Commandments
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote...
10 months ago
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote and release smoke. This is sometimes very hard to judge without a load, but they should be somewhere in the ballpark, verily, and you should get in the habit of checking any new...
Jonas Hietala
Long Term Goals (part 2)
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have:
Write my own Programming Language
Why? Because it sounds fun and epic as hell.
Write a Book
So I like books and I like to collect them and I have my whole bookcase...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa,
and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s
a new museum around here!
The...
computers are bad
2023-06-07 something up there - nasa and uaps
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I am
not addressing the recent claims by David Grusch. This is for a couple of
reasons. First, I am skeptical of Grusch. He is not the first seemingly
well-positioned former...
Christian Selig
Table of Contents Selector View
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit!
With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 months ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Willem's Blog
Inspiration from a child
Explore the world together with your kids and reap the rewards of adventure and fun!
over a year ago
Explore the world together with your kids and reap the rewards of adventure and fun!
Jonas Hietala
Writing a Pollen lexer in Pygments
After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax...
over a year ago
After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax highlighting for the code snippets. So I did a bit of fooling around with Pygments, and it turns out writing a custom lexer isn’t that unreasonable, so here’s how I did it.
Pollen...
Matt Blewitt
A Love Letter to Giant Robots
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first...
6 months ago
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first exposure to them was probably through 1994’s BattleTech animated series, where Adam Steiner piloted an AXM-2N Axman, in its frankly ridiculous neon green and purple paint job. And from...
Posts on Made of...
A Cursed Bug
In my day job at Anthropic, we run relatively large distributed systems to train large language...
over a year ago
In my day job at Anthropic, we run relatively large distributed systems to train large language models. One of the joys of using a lot of computing resources, especially on somewhat niche software stacks, is that you spend a lot of time running into the long-tail of bugs which...
Azad's Blog
Traveling with Apple Vision Pro
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic...
2 months ago
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic device to travel with—Be it by train or by plane, it offers an unparalleled opportunity to selectively tune out your environment and sink into an engaging activity like watching a...
Applied Cartography
You need to be frictionlog-maxxing
Lots of people have spent the past few days discussing the perceived increase in difficulty in...
7 months ago
Lots of people have spent the past few days discussing the perceived increase in difficulty in getting an entry-level programming job relative to the halcyon ZIRP days of yesteryear. I am sympathetic to new grads running into this; I am dismayed that when I ask some [1] of them...
Matt Mullenweg
Inc Hit Piece
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
3 days ago
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a feature piece I was excited because though Inc wasn’t a magazine I have read much since I was a teenager, David seemed like a legit journalist who usually writes for better publications...
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May!
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
7 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Louwrentius
Parallel / distributed password cracking with John the Ripper and MPI
This article has been updated to reflect the changes for John version 1.7.8 as released in june...
over a year ago
This article has been updated to reflect the changes for John version 1.7.8 as released in june 2011.
The most important change is the fact that MPI support is now integrated in the jumbo patch.
The original John the Ripper off-line password cracker only uses a single processor...
Notes on software...
Writing a simple JSON library from scratch: a tour through modern C++
Modern C++ has a lot of cool features. Move semantics means passing
around structs in functions is...
over a year ago
Modern C++ has a lot of cool features. Move semantics means passing
around structs in functions is cheap. std::shared_ptr
means I don't have to manage any memory; no
more new/delete! (But try as I might to
understand std::unique_ptr, I'm just not there yet.)
The syntax has also...
Jonas Hietala
2018 in review
A new year and a lingering feeling of not having done enough during the year. A fast review of the...
over a year ago
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better.
2018 non-geek achievements
Was on parental leave for about 7 months.
It was great although I’ve been crawling up the walls a little the last...
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post
If you are a paid subscriber, voting is open for one week
9 months ago
If you are a paid subscriber, voting is open for one week
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...
seangoedecke.com RSS...
Learning incident response with problem sets
It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Engineers Need Art
Apple Interview (1995)
Recalling my somewhat unusual interview with Apple back in 1995.
over a year ago
Recalling my somewhat unusual interview with Apple back in 1995.
Buck on Software
Thinking incrementally about SaaS
An overview of the key output of the growth software machine
over a year ago
An overview of the key output of the growth software machine
Old Vintage...
Scenes from the Solbourne Computer corporate video, March 1992
Solbourne Computer, which for a number of years was probably Sun's most significant early competitor...
a year ago
Solbourne Computer, which for a number of years was probably Sun's most significant early competitor in SPARC-based systems. Solbourne was the first to market in 1989 with multiprocessing SPARC servers based on their custom circuit-switched 108MB/s KBus interconnect, running a...
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...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Willem's Blog
Offline Music
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to...
over a year ago
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to lossless audio files; there is some reason to this madness however!
Christian Selig
Smart Open Xcode
If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a...
a year ago
If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a stable version, and maybe another version in case the most recent stable version has something weird about it.
I also really like mapping my Caps Lock key to something more useful,...
Home on Erik...
HubSpot's Picture Shows how to Maintain Monocultures in the 21st Century
I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome...
over a year ago
I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome Presentation Shows how to Create a 21st Century Culture”.
Just FYI: You're not different. You're a bunch of white hipsters aged 25-30 dressed up in the same theme.
Arduino Blog
Why is STEAM education important for kids? 6 activity tips
School’s out for summer – at least for most of us. While the majority of children (and teachers!)...
5 months ago
School’s out for summer – at least for most of us. While the majority of children (and teachers!) will probably be breathing a huge sigh of relief, parents face a new challenge: how to keep kids engaged during the long break. Of course, downtime is important, but there are also...
Simply Explained
Year in review: 2022
Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my...
a year ago
Every new year I reflect on the previous year and set new goals. I'm focusing primarily on my YouTube channel and newsletter, but there are personal reflections in here as well. Last year was an off year for me, and I'm gearing up to make up for lost time in 2023.
Engineers Need Art
VPX Scripting - Part 6 (End Sound)
This post wraps up the sound work on Teacher's Pet.
8 months ago
This post wraps up the sound work on Teacher's Pet.
Posts on Made of...
Write yourself an strace in 70 lines of code
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Arduino Blog
Making a car more secure with the Arduino Nicla Vision
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
4 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
Computer Ads from...
Bible Research Systems' THE WORD Processor
For Those Who Seek.
5 months ago
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.
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Jonas Hietala
A friendly game of Twilight Imperium
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We...
over a year ago
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We were six players, most had played the third edition before. As I was quite hyped before the game, I had read up on the rules, watched a let’s play or two and listened to a podcast...
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
Jonas Hietala
An intriguing new puzzle
Here’s another game made for the experimental gameplay project:
Slidoku which is a sort of mix...
over a year ago
Here’s another game made for the experimental gameplay project:
Slidoku which is a sort of mix between Rubik’s cube and sudoku. I enjoy puzzles like those and I really enjoyed this one too - it took me a while to beat it but I just love the feeling when you do. If you like...
Jonas Hietala
2015 in Review
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university...
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university studies and got a Master in Computer Science.
Discovered a new boardgame love: Android Netrunner.
Finished top 4 in my first Netrunner Store Championship.
Won a small local Netrunner...
Jonas Hietala
Postmortem: Beebop The Island Hopper
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop...
over a year ago
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop The Island Hopper for the theme Islands.
About Ludum Dare
Ludum Dare is a competition which runs maybe two times a year and the competition is 24 hours long with a specific theme....
Old Vintage...
MacLynx beta 5: UTF-8, pull-down menus and more dialogue boxes, oh my!
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System...
a year ago
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System 7-compatible port of the venerable text browser Lynx for classic 68K Macintoshes (and Power Macs) running A/UX 3.x or System 7.x and later. There's still more to do, but a lot has...
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
Posts on Made of...
Three kinds of memory leaks
So, you’ve got a program that’s using more and more over time as it runs. Probably you can...
over a year ago
So, you’ve got a program that’s using more and more over time as it runs. Probably you can immediately identify this as a likely symptom of a memory leak.
But when we say “memory leak”, what do we actually mean? In my experience, apparent memory leaks divide into three broad...
Computer Ads from...
American Heart Association
A PSA and an Ad
a month ago
Lars Lofgren
The 9 Delusions From the Halo Effect
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of...
over a year ago
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of companies that have rocketed to success. Especially in tech, there’s always another $1 billion unicorn around the corner. Uber, Facebook, Airbnb, Slack, Zenefits, Box, Shopify, yadda...
Applied Cartography
Why should a company?
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my...
9 months ago
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my first paying customer so I know it's not a fake product"; "I want to hit a thousand dollars in revenue so I know it's not just friends humoring me"; "I want to make $10K/mo or else I...
Notes on software...
Eight years of organizing tech meetups
This is a collection of random personal experiences. So if you don't
want to read everything, feel...
a year ago
This is a collection of random personal experiences. So if you don't
want to read everything, feel free to skip to the end for takeaways.
I write because I'd like to see more high-quality meetups. And maybe
my little bit of experience will help someone out.
2015: Philadelphia
I...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one...
over a year ago
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one interesting thing. At least it was
interesting to me.
Background
I had one goal: to try to see if I could turn it into a semi-passive PC by only
turning the fan on when the PC was...
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...
Notes on software...
Extending gosql to supporting LIMIT and OFFSET
It's been a few months since I picked up
gosql and I wanted to use it to
prototype a SQL interface...
over a year ago
It's been a few months since I picked up
gosql and I wanted to use it to
prototype a SQL interface for data stored in S3. But one missing
critical feature in gosql is LIMIT and OFFSET support. This post walks
through the few key changes to gosql to support LIMIT and OFFSET.
You...
Arduino Blog
Improve laser engraving speeds with an Arduino-controlled turntable
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but...
6 months ago
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but what happens when the production volume needs to increase? For element14 Presents host Clem Mayer, this usually meant preparing many uniform pieces of engraving stock, opening the...
computers are bad
2024-08-31 ipmi
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home,...
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home, here in New Mexico. One of the steps in this process is,
of course, purchasing a new server... the current Big Iron is getting rather
old (probably about a decade!) and here in...
Simply Explained
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux
Many devices in my home have become "smart" over the last couple of months, with one big exception:...
over a year ago
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
Notes on software...
1 million page views
I was delighted to notice this morning that this site has recently
passed 1M page views. And since...
3 weeks ago
I was delighted to notice this morning that this site has recently
passed 1M page views. And since Murat
wrote
about his 1M page view accomplishment at the time, I felt compelled to
now too.
I started regularly blogging in 2018. For some reason I decided to
write a blog post...
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