computers are bad
2024-06-08 dmv.org
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually,...
6 months ago
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be
overstated. A more general term is "motor vehicle administrator," used for
example by the American Association of Motor Vehicle...
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
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...
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.
Jonas Hietala
Monaco What's Yours is Mine
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!!
I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing?
Tomorrow...
Christian Selig
Announcing Apollo: a new Reddit app for iPhone
I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called...
over a year ago
I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called Apollo and it’s a new Reddit app for iPhone.
I’ve been a Reddit user for about four years now, and the site is a constant source of interesting discussion, hilarity and news for me...
Old Vintage...
Niklaus Wirth dies
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which...
11 months ago
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which was written in UCSD Pascal; the first actual compiler I ever used was Turbo Pascal 5.5 (purloined from a campus NetWare server), and the first actual compiler I ever used on the...
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Home on Erik...
Deep learning for… Go
This is the last post about deep learning for chess/go/whatever. But this really cool paper by...
over a year ago
This is the last post about deep learning for chess/go/whatever. But this really cool paper by Christopher Clark and Amos Storkey was forwarded to me by Michael Eickenberg. It's about using convolutional neural networks to play Go.
Louwrentius
Compatibility Highpoint RocketRAID 2320 and Samsung Spinpoint F1
There are some reports about incompatibility between RAID controllers and
Samsung Spinpoint F1...
over a year ago
There are some reports about incompatibility between RAID controllers and
Samsung Spinpoint F1 drives. I have no troubles with my 0.5 and 1.0 TB drives
from Samsung using mentioned controller. See below:
Controller 1: RocketRAID 232x SATA Controller
1/1/1 SAMSUNG HD103UJ...
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...
Arduino Blog
This unique wall sconce welcomes you home with warm light
Have you ever walked through your front door after a long day of work and realized that your home...
a week ago
Have you ever walked through your front door after a long day of work and realized that your home just isn’t as inviting as it seems like it should be? While it may not work miracles, some nice and welcoming lighting can make a big difference. That’s why Lauren Palazzi made this...
Good Enough
TIL: Fixing Broken Social Share Images in Twitter/X
I have an admission to make.
Social share images for Pika were broken on Twitter/X, LinkedIn, and...
a month ago
I have an admission to make.
Social share images for Pika were broken on Twitter/X, LinkedIn, and Apple Messages for months.
And it made me sad.
But in the past few months we got it fixed.
And that made me very happy!
We really love our Pika social share images.
They are...
Lars Lofgren
The Billion-Dollar World of Parasite SEO: How to Cash In
Parasite SEO is when a third-party company partners with an established domain, then posts a bunch...
a month ago
Parasite SEO is when a third-party company partners with an established domain, then posts a bunch of SEO content to make a bunch of money. Content often gets published in a subfolder or subdomain or the website. The goal is to leverage the domain’s trust with Google to get...
Birchtree
My favorite (and least favorite) movies of 2024
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
a week ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 months ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Matt Mullenweg
Age-gating
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and...
3 weeks ago
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and democratic societies can decide their own rules there. But it should be handled and authenticated as low-level as possible, at the operating system layer. See also: Australia’s...
Notes on software...
Go database driver overhead on insert-heavy workloads
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than...
a year ago
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than alternative Go drivers on insert-heavy
benchmarks of mine. So if you are bulk-inserting data with Go (and
potentially also bulk-retrieving data with Go), you may want to
consider the...
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...
Old Vintage...
Adding a cooling fan to the Commodore 128DCR
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a...
a year ago
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a hot, horrid summer in Floodgap Very Sub-Orbital Headquarters and I was somewhat concerned about the heat in the house computer lab even with the A/C cranked up to "Vegas weekend for...
Ian's Blog
What the heck is OCSP?
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web...
over a year ago
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web browser) to check if a certificate has been revoked or not.
Certificate Revocation?
With asymmetrical encryption, your encryption is only as good as long as your private key remains...
Computer Ads from...
Flash Sale and a Slight Change to Subscriptions
Time for a little business
2 months ago
Time for a little business
Louwrentius
Solaris is an obsolete platform
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the...
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the Solaris operating system is obsolete. Solaris can be
considered legacy. Sun was a hardware shop and to sell their hardware, they
needed a great operating system.
Sun had a great...
Louwrentius
How to escape file names in bash shell scripts
After fighting with Bash for quite some time, I found out that the following
code provides a nice...
over a year ago
After fighting with Bash for quite some time, I found out that the following
code provides a nice basis for escaping special characters. Ofcource it is not
complete, but the most important characters are filtered.
If anybody has a better solution, please let me know. It works and...
Jonas Hietala
2021 in review
A new year is always a good time to review the past year. Funny how this is already the 12th year...
over a year ago
A new year is always a good time to review the past year. Funny how this is already the 12th year I’ve done this kind of quick review… Time sure flies.
2021 Non-Geek Achievements
Started strength training using a strength coach from Kabuki.
I got inspired by the book Peak that...
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Applied Cartography
MD5-based uniqueness constraints in Django
Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental...
3 months ago
Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental double-commenting, and I ran into a problem that I hadn't seen before:
index row size 2816 exceeds btree version 4 maximum 2704 for index...
Home on Erik...
Implicit data and collaborative filtering
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings.
While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
latest projects -...
3D Model Viewer Improvements
[Software] Unlocking the embedded gimbals
a year ago
[Software] Unlocking the embedded gimbals
Christian Selig
Logging information from iOS Widgets
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home...
over a year ago
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home screen widgets, and some well-placed logs can really help with identifying what’s going wrong. iOS has a sophisticated built in logging mechanism, os_log, and now with SwiftLogger in...
Willem's Blog
Repairing a Giro AEON bicycle helmet
Try fixing your Giro bicycle helmet? I went through some trouble to do it! Read along to find out...
over a year ago
Try fixing your Giro bicycle helmet? I went through some trouble to do it! Read along to find out how.
Applied Cartography
A good H1
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we...
3 weeks ago
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we arrived at our current iteration, which is the anodyne yet pointed Email for you. Yes, you.
Historically, we've called Buttondown a 'newsletter tool' — the h1 before this was 'The...
Willem's Blog
Fixed Gear Gran Fondo
Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
Ken Shirriff's blog
Antenna diodes in the Pentium processor
I was studying the silicon die of the Pentium processor and noticed some puzzling structures...
4 weeks ago
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where
signal lines were connected to the silicon substrate for no apparent reason.
Two examples are in the photo below, where the metal wiring (orange) connects to small square regions of...
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
7 months ago
Birchtree
Matt is a Mean Guy (hey!)
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created...
a week ago
Matt felt like bringing an intentionally controversial topic, Niléane refuses to admit she's created a sticky note-based task manager, and everyone gives the iPad some much needed love.
Or watch it on YouTube.
Weekly Topics
Raycast
CleanShot X
Final Cut Pro
Google...
Jonas Hietala
Focusing Attention: Drawing
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
Electronics etc…
Zephyr Ravenna Control Board Replacement
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing...
7 months ago
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing Information
Two PCBs - Control Board & Switch Assembly
Switch of the Breaker!!!
Glass Canopy Removal
Duct Cover Removal
Swapping the Control...
Abort Retry Fail
Unboxing New Old Stock Windows 3.11
A Photo Gallery
a year ago
Jonas Hietala
Balls
Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god...
over a year ago
Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god I’ll be making another tetris clone but the end result turned out a bit different. I’m not sure it’s very addictive but it’s actually okay! =D
Balls is a game about… balls. Well...
computers are bad
2024-01-16 the tacnet tracker
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile...
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile computing."
Today, I want to share a little example. Over the last few weeks, for various
personal reasons, I have been doing a lot of reading about embedded operating
systems and ISAs for...
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
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...
Good Enough
Cool Songs Don’t Die
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing...
a year ago
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing 22 years ago and ran for 5 seasons and was a pretty big hit and launched the careers of two bonafide movie stars and featured a cast of very well known supporting actors. So yeah,...
Applied Cartography
Weird test: internal link checking
I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign!
const extractInternalLinks = (content: string): string[] => {
// Check for internal links only, in the form of [text](/path).
const...
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...
Jonas Hietala
10 Games in 10 Languages
For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Jordan’s Substack
On Building Git for Lawyers
Over this past weekend, Twitter discovered the problem that I have dedicated the past four years of...
a month ago
Over this past weekend, Twitter discovered the problem that I have dedicated the past four years of my life to solving. Why don't lawyers and other non-coders use git?
Jonas Hietala
Speeding Ahead
Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
Push to Prod
Metrics Are The Map, Not The Territory
We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
4 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
Abort Retry Fail
Housekeeping for 20240102
Some stats, updates, and whatnot
11 months ago
Some stats, updates, and whatnot
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.
Vitalik Buterin's...
A Philosophy of Blockchain Validation
over a year ago
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...
Opsbros
Tasmota Quad Switch Breakout
The Tasmota Quad Switch Breakout is designed to make connecting a custom quad light switch to a...
over a year ago
The Tasmota Quad Switch Breakout is designed to make connecting a custom quad light switch to a Wemos D1 mini running Tasmota super super easy.
Home on Erik...
Nearest neighbors and vector models – epilogue – curse of dimensionality
This is another post based on my talk at NYC Machine Learning. The previous two parts covered most...
over a year ago
This is another post based on my talk at NYC Machine Learning. The previous two parts covered most of the interesting parts, but there are still some topics left to be discussed. To go back and read the meaty stuff, check out
Notes on software...
Be someone who does things
I wrote last
month that
what you want to do is one of the most useful motivations in life. I
want to...
3 months ago
I wrote last
month that
what you want to do is one of the most useful motivations in life. I
want to follow that up by saying that the only thing more important
than wanting to do something is to actually do something.
The most valuable trait you can develop for yourself is to...
Home on Erik...
More recommender algorithms
I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization...
over a year ago
I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization algorithm we have used for a while assumes that we have user vectors $$ bf{a}_u $$ and item vectors $$ bf{b}_i $$ .
Ian's Blog
GitHub Notification Emails Hijacked to Send Malware
As an open source developer I frequently get emails from GitHub, most of these emails are...
3 months ago
As an open source developer I frequently get emails from GitHub, most of these emails are notifications sent on behalf of GitHub users to let me know that somebody has interacted with something and requires my attention. Perhaps somebody has created a new issue on one of my...
Willem's Blog
Traffic shaping using iptables and tc
This month I responded to an automated alert indicating excessive bandwidth usage on a server,...
over a year ago
This month I responded to an automated alert indicating excessive bandwidth usage on a server, requiring me to apply traffic shaping to mitigate the traffic.
Home on Erik...
Subway waiting math
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found...
over a year ago
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found that at some point, quite early, it's worth just giving up.
This isn't a proof that the subway doesn't run on time – in fact it might actually proves that the subway runs really...
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
2 weeks ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version.
In it, there’s a song I really love that plays on the level select screen called Gate of Your...
Notes on software...
Surveying SQL parser libraries in a few high-level languages
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
./techtipsy
Disk is OK
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of...
over a year ago
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of Midas.
Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for.
Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Lighthouse Blog
Lighthouse now integrates with mobile reader apps
5 months ago
Neil Madden
Digital signatures and how to avoid them
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Home on Erik...
Approximate nearest news
As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm...
over a year ago
As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm the author of a Python package called Annoy.
I've also built a benchmark suite called ann-benchmarks to compare different packages.
Jonas Hietala
Recent experiences with Netrunner tournaments
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three...
over a year ago
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three tournaments during February - March. After each of these tournaments I started a writeup of them but they fell off my mind a bit but consider this my break with my blogging...
Willem's Blog
Using a budget Android as main smartphone
I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Arduino Blog
This disturbing Halloween doll was brought to life with Bottango
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near...
a month ago
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near the top of the list. That extends beyond store-bought costumes and decorations to DIY projects. If you want an excuse to make something impractical, Halloween can provide that. And...
Arduino Blog
Venderoo is an Arduino Mega-powered DIY vending machine
For now-college student Joel Grayson, making something that combined his interests in mechanics,...
2 months ago
For now-college student Joel Grayson, making something that combined his interests in mechanics, electronics, and programming while being simultaneously useful to those around him was a longtime goal. His recent Venderoo project is exactly that, as the creatively named vending...
Arduino Blog
Transform trash into treasure with the DIY Bottle Plotter
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline...
3 months ago
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline just for that) and some of it can be quite beautiful. But it usually still ends up in the landfill or, at best, in a recycling center. However, if you’re the type of person who can...
anderegg.ca
Playing with the Bluesky firehose
Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver...
3 weeks ago
Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver a JSON based firehose of atproto data. Here’s an overview of the simple project I built with that data.
I was inspired by a post from Simon Willison where he showed off a tool for...
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Louwrentius
Linux RAID 6 performance using software RAID
So after toying around with RAID 0 just for fun, time to get serious. I
created a RAID 6 of 10 x 1...
over a year ago
So after toying around with RAID 0 just for fun, time to get serious. I
created a RAID 6 of 10 x 1 TB disks. This gives me raw device read speeds
of 850 MB/s and write speeds of 300 MB/s. I think this is exactly
what should be expected, but boy it is damn fast. Especially the...
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation!
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions to...
Notes on software...
Errors and Zig
At TigerBeetle these last few weeks I've been doing a mix of
documenting client libraries, writing...
a year ago
At TigerBeetle these last few weeks I've been doing a mix of
documenting client libraries, writing sample code for client
libraries, and writing integration tests against the sample code.
The client library documentation is generated with a Zig script. The
sample code is...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
Neil Madden
SipHash-based encryption for constrained devices
I see a lot of attempts to define encryption schemes for constrained devices with short...
7 months ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Home on Erik...
I'm featured in Mashable
This article from today in Mashable describes some of the fun stuff I get to work with:
Erik...
over a year ago
This article from today in Mashable describes some of the fun stuff I get to work with:
Erik Bernhardsson is technical lead at Spotify, where he helped to build a music recommendation system based on large-scale machine learning algorithms, mainly matrix factorization of big...
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...
Applied Cartography
Pytest: test for print statements
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
5 months ago
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own love of weird tests, I offer a similar concept: a test for finding stray print statements in your codebase, with a ratchet array for stuff to ignore.
import glob
PATH =...
Notes on software...
On NYC, Tokyo and Seoul
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a...
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a rural community a few hours west of
there. My wife is South Korean and last week concluded my second trip
to the suburbs of Seoul to visit her family. We finished up that trip
with a...
Electronics etc…
An In-Depth Look at the ICE-V Wireless FPGA Development Board
Introduction
The ICE-V Wireless FPGA Board
Preloading the PSRAM with User Data
The Overall Boot...
a year ago
Introduction
The ICE-V Wireless FPGA Board
Preloading the PSRAM with User Data
The Overall Boot Process
UART Console
Getting Started with the ICE-V Wireless Board for Real
Reinstalling or Modifying the ESP32C3 Firmware
The RISC-V Example FPGA Design
Compiling the RISC-V Example...
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
a month ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers.
Intel, on the other hand, seems to be taking things in a much different, much...
Christian Selig
Waterfield's weirdly compact Apple Vision Pro Case
Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a...
8 months ago
Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a deep-down, subconscious level, but I won’t say anything that I don’t truly believe.
Unlike a phone or laptop, the Vision Pro is one of those products that is particularly tricky...
Neil Madden
When a KEM is not enough
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation...
over a year ago
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation mechanism is given the recipient’s public key and outputs a fresh AES key and an encapsulation of that key that the recipient can decapsulate to recover the AES key. In this post I...
seangoedecke.com RSS...
MCTS and LLMs: what's the big deal?
Everyone on the internet is recently very excited about large language models and Monte Carlo tree...
6 months ago
Everyone on the internet is recently very excited about large language models and Monte Carlo tree search. Going back months, the “Q*” leak…
Notes on software...
A Programmer-Friendly I/O Abstraction Over io_uring and kqueue
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Notes on software...
Experimenting with column- and row-oriented datastructures
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
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.
Applied Cartography
October, 2024
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought):
On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Simply Explained
Smart lights behind a wall switch (Shelly + ESPHome)
Using smart light bulbs means you can no longer use your physical wall switches because the bulbs...
over a year ago
Using smart light bulbs means you can no longer use your physical wall switches because the bulbs need constant power. I think that's pretty dumb. Using a physical switch can be way faster than using an app to control the lights.Here's how you can put a Shelly in between the...
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...
Jonas Hietala
Let's create a Tree-sitter grammar
One of my favorite features in Neovim is the Tree-sitter integration.
It allows for fast syntax...
9 months ago
One of my favorite features in Neovim is the Tree-sitter integration.
It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters and...
Jonas Hietala
Incomplete game coming up
Man I’m far too much of a perfectionist, with this mentality I’ll never get anything done -...
over a year ago
Man I’m far too much of a perfectionist, with this mentality I’ll never get anything done - seriously. I spent far too many hours, even days, figuring out in my mind how the game should be and I started off going for nothing less than just that. But it turned out to be a lot...
latest projects -...
Smallest USB-C MIDI Synth
[Hardware] The smallest and silliest MIDI synth yet
a year ago
[Hardware] The smallest and silliest MIDI synth yet
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module'
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is...
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is installed with a regular modprobe like:
modprobe w83627ehf
The result will be:
FATAL: Error inserting w83627ehf
(/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
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...
./techtipsy
The optimization treadmill: why I keep changing my computing setup all the time
I have a bad habit of changing my computing setups all the time. I tend to see new gear, then I...
a year ago
I have a bad habit of changing my computing setups all the time. I tend to see new gear, then I get
some new ideas, and then I obsessively think about it for weeks and months until I just buy it.
And then the cycle repeats.
I’ve had time to think about why that keeps happening...
Jonas Hietala
Top ten activities that make me happy
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Louwrentius
8 TB RAID 6 Linux software RAID using EXT4
Mobo: Asus P5Q-EM DO ( 6x sata)
CPU: Core 2 Duo E7400
RAM: 4 GB
Controller; HighPoint RocketRAID...
over a year ago
Mobo: Asus P5Q-EM DO ( 6x sata)
CPU: Core 2 Duo E7400
RAM: 4 GB
Controller; HighPoint RocketRAID 2314 (16x poorten)
PSU: CooMas Silent Pro M 600W ATX2 (definitely not overkill)
HD: Samsung 1 TB SAT2 HD103UJ (10x)
OS: Debian Lenny with custom kernel (backported)
FS: EXT4
RAID...
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment.
A...
Neil Madden
Machine Learning and the triumph of GOFAI
I’ve been slowly reading Brian Cantwell Smith’s “The Promise of Artificial Intelligence” recently. I...
5 months ago
I’ve been slowly reading Brian Cantwell Smith’s “The Promise of Artificial Intelligence” recently. I haven’t finished reading it yet, and like much of BCS’s writing, it’ll probably take me 3 or 4 read-throughs to really understand it, but there’s one point that I want to pick up...
Avestura's Blog
Understanding zero-knowledge proofs
What are zero-knowledge proofs, really?
over a year ago
What are zero-knowledge proofs, really?
Arduino Blog
Discover the new Arduino UNO SPE Shield: the quick and easy way to advanced connectivity
Arduino and Microchip are excited to open electronica – the “world’s leading trade fair and...
a month ago
Arduino and Microchip are excited to open electronica – the “world’s leading trade fair and conference for electronics” – by introducing the Arduino UNO SPE Shield, a powerful ally to bring advanced connectivity to new and existing projects, with Single-Pair Ethernet (SPE) and...
Jonas Hietala
Postmortem: MenuCity
Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game.
Let’s start...
Jonas Hietala
First impressions of Pollen
After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it.
What I like
The first thing I really like is Pollen enables...
Avestura's Blog
Using Tor outside of the Tor Browser
This post shows how to run Tor with a simple PowerShell script and use it in other apps like...
over a year ago
This post shows how to run Tor with a simple PowerShell script and use it in other apps like Telegram...
Birchtree
AI, self-driving, and evolving your opinions on new tech over time
Casey Newton on Platformer: The Phony Comforts of AI Skepticism
The most persuasive way you can...
2 weeks ago
Casey Newton on Platformer: The Phony Comforts of AI Skepticism
The most persuasive way you can demonstrate the reality of AI, though, is to describe how it is already being used today. Not in speculative sci-fi scenarios, but in everyday offices and laboratories and schoolrooms....
Jonas Hietala
Ludum Dare 22 Here I Come
The time has finally come. After more than three hours of exam writing, and almost double spent on...
over a year ago
The time has finally come. After more than three hours of exam writing, and almost double spent on studying for it, I am now ready to declare my entry into Ludum Dare 22! I’ve been away far too long, with my entries for the 17th and the 20th dare being almost a century away, the...
Neil Madden
XSS doesn’t have to be game over
There’s a persistent belief among web security people that cross-site scripting (XSS) is a “game...
over a year ago
There’s a persistent belief among web security people that cross-site scripting (XSS) is a “game over” event for defence: there is no effective way to recover if an attacker can inject code into your site. Brian Campbell refers to this as “XSS Nihilism”, which is a great...
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...
Jonas Hietala
Geekhack Toxic
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be?
With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard:
Woooo
If only my GH60 could arrive some time this decade…
Arduino Blog
Magnus is an electromagnetic exoskeleton for your hands
One of the primary goals of wearable technology is to provide the user with capabilities and data...
5 months ago
One of the primary goals of wearable technology is to provide the user with capabilities and data that exceed their current abilities. And for motion, this has traditionally existed in the form of electrical muscle stimulation (EMS), where current is applied via electrodes to...
Home on Erik...
Meta-blogging
(This is not a very relevant/useful post for regular readers – feel free to skip. I thought I would...
over a year ago
(This is not a very relevant/useful post for regular readers – feel free to skip. I thought I would share it so people can find it on Google.)
My blog blew up twice in a week earlier this year when I landed on Hacker News.
Applied Cartography
Applied Cartography × People & Blogs
There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that.
To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Vitalik Buterin's...
What in the Ethereum application ecosystem excites me
over a year ago
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.
seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
./techtipsy
My server setups throughout the years
My self-hosting adventure started during my university days. Once I actually had money to buy myself...
over a year ago
My self-hosting adventure started during my university days. Once I actually had money to buy myself a decent used laptop
(ThinkPad T430) that had more than 3GB of RAM that my ThinkPad T60 had, I could use some of my older hardware as
testbeds for any of the stupid ideas that I...
./techtipsy
The little Wi-Fi AP that could
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short...
over a year ago
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short overview of one of them.
The Orange Pi Zero is a SBC (single board computer) that has a slow 32-bit ARM 4 core CPU, 512MB of RAM and no display output.
It’s actually quite OK for many...
Abort Retry Fail
Housekeeping for 20240309
Super quick updates
9 months ago
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...
Style over Substance
Guy’s Cool Tools
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their...
over a year ago
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their recommendations for years. So much, so that I even started a Pinterest board filled with my own recommendations. But after a few years of running into the limitations of the form, I...
Home on Erik...
Luigi success
So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github,...
over a year ago
So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github, then shortly after passed mrjob as (I think) the most popular Python package to do Hadoop stuff. This is exciting!
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Willem's Blog
Optimising images for the web and performance
Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Make your website faster by optimising the images. This posts explains how you can do this.
Posts on Made of...
What's with ML software and pickles?
I have spent many years as an software engineer who was a total outsider to machine-learning, but...
a year ago
I have spent many years as an software engineer who was a total outsider to machine-learning, but with some curiosity and occasional peripheral interactions with it. During this time, a recurring theme for me was horror (and, to be honest, disdain) every time I encountered the...
./techtipsy
Surviving the front page of HackerNews on a 50 Mbps uplink
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the...
over a year ago
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the topic, because it
brought out a lot of enthusiasts who shared their own experiences with older
machinery that still works in 2022. I really appreciate the feedback and...
Simply Explained
Static webhosting benchmark: AWS, Google, Firebase, Netlify, GitHub & Cloudflare
Static websites are still a hot topic. They are fast, and they're incredibly secure because there...
over a year ago
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static website hosting provider in 2020?...
Ken Shirriff's blog
Inside a vintage aerospace navigation computer of uncertain purpose
I recently obtained an aerospace computer from the early 1970s, apparently part of a navigation...
6 months ago
I recently obtained an aerospace computer from the early 1970s, apparently part of a navigation system.
Aerospace computers are an interesting but mostly neglected area of computer hardware, so I'm always delighted to
examine one up close.
In an era when most computers were large...
Jonas Hietala
HandCash handles require trust and are insecure
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their...
over a year ago
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their $handle concept. It’s basically a username you use instead of the normal Bitcoin Cash address, similar to how domain names abstract away IP addresses. For example instead of...
Home on Erik...
Optimizing over multinomial distributions
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 +...
over a year ago
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 + ldots + w_n = 1 $$ and $$ 0 le w_i le 1 $$ . Usually, $$ f $$ is concave and differentiable, so there's one unique global maximum and you can solve it by applying gradient ascent.
Birchtree
The “Bluesky feels like early Twitter!” vibe
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Arduino Blog
Arduino Education at Bett 2025: Shaping the future of K-12 and HE
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from...
5 days ago
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from January 22nd-24th at the ExCeL exhibition center in London, Bett is the ultimate global event for educational innovation. We are attending the stand with our partner CreativeHut...
Jonas Hietala
Hard Work
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well.
I can allow myself a small pause I feel…
Not sure where this is going to end, but I’m having a blast anyway!
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,...
Arduino Blog
ardEEG is an Arduino UNO R4 WiFi shield for measuring biosignals
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount...
7 months ago
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount of progress in reading signals produced by the brain. We may not understand exactly what is going on, but we can see the result and utilize it. And now you can start...
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
7 months ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
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...
Vitalik Buterin's...
How do trusted setups work?
over a year ago
Home on Erik...
How to build up a data team (everything I ever learned about recruiting)
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people....
over a year ago
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people. Lots of them were rejected but lots of them also got offers. Finally, I've also had my share of offers rejected by the candidate.
Jonas Hietala
FTL got a new victim
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone...
over a year ago
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone you’d expect, it’s even someone who said: “What a bad game” when she saw me playing it. But nevertheless this Saturday she played it more than 2.5 hours!
I told Veronica I wanted...
Home on Erik...
The software engineering rule of 3
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*.
This is what I've noticed:
Don't factor out shared code between two classes.
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...
Home on Erik...
Bagging as a regularizer
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and...
over a year ago
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and get an approximation for the full distribution. This can then be used to penalize predictions with larger uncertainty, which helps reducing false positives.
Posts on Made of...
Some musings on ORMs
I’m pretty sure every developer who has ever worked with a modern database-backed application,...
over a year ago
I’m pretty sure every developer who has ever worked with a modern database-backed application, particularly a web-app, has a love/hate relationship with their ORM, or object-relational mapper.
On the one hand, ORMs are vastly more pleasant to work with than code that constructs...
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...
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...
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Matt Blewitt
Riding the Risk Railway
When building and operating a user-facing system, especially one that is open to the public, it is...
over a year ago
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
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...
Home on Erik...
Presentation about Luigi
I like the editing!
over a year ago
Louwrentius
Linode hacked: the dark side of cloud hosting
Linode has released an update about the security incident first reported
on April 12, 2013.
The...
over a year ago
Linode has released an update about the security incident first reported
on April 12, 2013.
The Linode Manager is the environment where you control your virtual private servers and where you pay for services. This is the environment that got compromised.
Linode uses Adobe's...
Notes on software...
Intercepting and modifying Linux system calls with ptrace
How software fails is interesting. But real-world errors can be
infrequent to manifest....
a year ago
How software fails is interesting. But real-world errors can be
infrequent to manifest. Fault
injection
is a formal-sounding term that just means: trying to explicitly
trigger errors in the hopes of discovering bad logic, typically
during automated tests.
Jepsen
and ChaosMonkey...
Construction Physics
How China Is Like the 19th Century U.S.
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
a month ago
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
Jonas Hietala
CS:GO AWP Nerf
When this man opens his mouth, truth comes out.
https://www.youtube.com/watch?v=rsFnJYJ2buU
If I...
over a year ago
When this man opens his mouth, truth comes out.
https://www.youtube.com/watch?v=rsFnJYJ2buU
If I ever make a game and I want someone to balance it and I had the money, I would hire Thorin.
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
8 months ago
Willem's Blog
Flying in a C47-A (DC-3) classic plane
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received,...
over a year ago
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received, experiencing aviation history unlike anything else!
lcamtuf’s thing
Lies, damned lies, and photodiodes
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast...
a week ago
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast or infuriatingly slow.
Vitalik Buterin's...
[Mirror] Central Planning as Overfitting
over a year ago
On Life and Lisp
Clip control on the Apple GPU
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in...
over a year ago
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in development, the open source “Asahi” driver for the Apple GPU is running real games. There’s more to do, but Neverball is already playable (and a lot of fun!).
Neverball uses legacy “fixed...
computers are bad
2023-11-19 Centrex
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened...
a year ago
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened to "PBX" in today's world where the "automatic" is
implied. (Relatively) modern small and medium business PABXs of the type I like
to collect are largely solid-state devices that...
Willem's Blog
Being a volunteer in Amsterdam-Zuidoost
About my work as volunteer in the local community center in Amsterdam Zuidoost
over a year ago
About my work as volunteer in the local community center in Amsterdam Zuidoost
Vitalik Buterin's...
What I would love to see in a wallet
2 weeks ago
Birchtree
How Flight Simulator helped my flying anxiety (members post)
It turns out video games really can impact how you view the world.
2 weeks ago
It turns out video games really can impact how you view the world.
csvbase blog
From Shell to Excel - with a little bit of HTTPS
Write once, read everywhere
4 months ago
Write once, read everywhere
seangoedecke.com RSS...
Avoiding worry driven development
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
Home on Erik...
MLConf 2014
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a...
over a year ago
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself).
Here are my slides:
lcamtuf’s thing
Weekend projects: getting silly with C
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
Willem's Blog
WordPress: 10 tips to secure your website
A lot of people use WordPress to manage their website. Prevent your site from being hacked using...
over a year ago
A lot of people use WordPress to manage their website. Prevent your site from being hacked using this blog post.
computers are bad
2024-04-26 microsoft at work
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to...
8 months ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to apologize, but I do feel a little bad. Part of it is just that
I've been busy, with work and travel and events. Part of it is that I've
embarked on a couple of writing projects only to...
Louwrentius
Secure caching DNS server on Linux with DJBDNS
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon"....
over a year ago
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon". However, this software has a bad security track record and is in
my opinion a pain to configure.
Mr. D.J. Bernstein developed "djbdns", which comes with a guarantee: if anyone
finds a...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like
a tank. I got mine in...
5 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like
a tank. I got mine in 2016 when the first university scholarship money dropped,
and it’s still my backup laptop of choice.
Around 2017 I did something every reasonable poor computer science...
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33...
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Style over Substance
Adding night shading to a Home Assistant mini-graph-card chart
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih....
over a year ago
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih. It’s the card running most of the graphs in our smart home‘s dashboard. Surprisingly, mini-graph card is actually not included in Home Assistant by default – honestly, it should be,...
Jonas Hietala
Moving private repositories to Bitbucket
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of...
over a year ago
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of courseand they even gave me a free students account and I still host all my public repositories there. Still, Bitbucket has unlimited free private repositories for up to 5 users...
computers are bad
2023-06-12 radio on the tv
Like many people in my generation, my memories of youth are heavily defined by
cable television. I...
a year ago
Like many people in my generation, my memories of youth are heavily defined by
cable television. I was fortunate enough to have a premium cable package in
my childhood home, Comcast's early digital service based on Motorola equipment.
It included a perk that fascinated me but...
watchTowr Labs -...
Check Point - Wrong Check Point (CVE-2024-24919)
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
6 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze.
Check Point, for those unaware, is the vendor responsible for...
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears...
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters,
computing
airspeed, Mach number, and other "air data".
The rotating...
computers are bad
2023-10-03 overheard overhead
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even...
a year ago
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even intercom, although the accuracy of the latter term can be
questionable. It's probably one of the aspects of business telephone systems
that gets the most public attention, on account...
Yazin Alirhayim
Tracking where a WhatsApp user came from
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”.
A problem we faced really early on when connecting to WhatsApp was that...
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary
In this post we'll stumble toward a working emulator for a barebones C
program compiled for...
over a year ago
In this post we'll stumble toward a working emulator for a barebones C
program compiled for linux/AMD64. The approach will be slightly more
so based on observation than by following a spec; a great way
to quickly become familiar with a topic, and a bad way to...
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
3 weeks ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
Arduino Blog
Axiom is Arduino’s newest Gold Integration Partner!
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the...
6 months ago
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the United States, has recently joined our System Integrators Partnership Program. As Gold-level partners, Axiom will supercharge their mission – to empower manufacturers to rapidly...
Posts on Made of...
A week with the iPhone
I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about...
over a year ago
I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about it.
First, the little things. It is, in typical Apple fashion, an incredibly slick piece of work. Scrolling and zooming images or webpages is simple, easy, and, well, just fun to do...
Home on Erik...
2D embedding of 5k artists = WIN
I'm at KDD in Chicago for a few days. We have a Spotify booth tomorrow, and I wanted to put together...
over a year ago
I'm at KDD in Chicago for a few days. We have a Spotify booth tomorrow, and I wanted to put together some cool graphics to show. I've been thinking about doing a 2D embedding of the top artists forever since I read about t-SNE and other papers so this was a perfect opportunity to...
Applied Cartography
Stripe Sessions 2024
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
Louwrentius
Convert dos file to linux format wit vim
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end...
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end with ^M.
To fix this, you can use the tool dos2unix. If however this tool is not at
your disposal, you may have a problem. If vim is available, you do not have a
problem:
The trick...
Jonas Hietala
Fixing Problems
Today I have fixed two large annoyances I’ve had!
I fixed the blue people on youtube bug
I found a...
over a year ago
Today I have fixed two large annoyances I’ve had!
I fixed the blue people on youtube bug
I found a nice thread with a great answer. I solved it by forcefully patching libflashplayer.so
perl -pi.bak -e 's/libvdpau/lixvdpau/g' libflashplayer.so
Worked perfectly!
I fixed the...
Willem's Blog
Creating the ultimate commuter bike
Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
over a year ago
Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
computers are bad
2023-04-30 los alamos - compound to county pt II
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly...
a year ago
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly administered by the Atomic Energy Commission (AEC).
The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the
towns it owned by transferring the property to private...
Jonas Hietala
Failed mime type for Krita
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error:
Could not find mime type "application/x-krita"
Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Jonas Hietala
February gets Themed: Rejection
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t...
over a year ago
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t follow suite! With valentine coming up I might just have found a pretty nice idea, just now, writing this…
Booyah!!
Matt Mullenweg
RIP Quincy Jones
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is...
a month ago
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is amazing. I feel so lucky to have met him in 2012 when I was much earlier in my career, and he didn’t have any reason to give me time, but he treated everyone as if they were...
Yazin Alirhayim
How do you know that an API does what it says it does?
Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information.
A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
Vitalik Buterin's...
[Mirror] Cantor was Wrong: debunking the infinite set hierarchy
over a year ago
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation.
I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different
circuits...
seangoedecke.com RSS...
Porting and hacking Llama2.c for fun and profit
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Notes on software...
A database without dynamic memory allocation
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989)
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
Nabeel S. Qureshi
Notes on Karl Popper
A woven web of guesses
over a year ago
Matt Blewitt
So, You Want To Build A DBaaS Part 2: Technical Bits
In my first post in this pseudo-series, we covered more of the theory and organisational practices...
a year ago
In my first post in this pseudo-series, we covered more of the theory and organisational practices around building and operating a database-as-a-service platform. In this post, I’ll cover some of the more technical aspects of this that I think are worth considering, drawn from my...
Abort Retry Fail
The History of Commodore, Part 4
The Amiga, The Decline, The Fall
a year ago
The Amiga, The Decline, The Fall
Home on Erik...
Exploding offers are bullshit
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I...
over a year ago
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I never put a deadline on any of them. Unfortunately, I've often ended up competing with other companies who do, and I feel really bad that this usually tricks younger developers...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size....
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size. The format utility will take this stride size into
account when formatting a device. The stride size is the number you get when
you divide the 'chunck' size, as specified with...
Jonas Hietala
5 Years at Linköping's University
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
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...
Good Enough
Season 1, Issue 4: Issue 4-evah
0. It’s Been a Long Time
Sorry 4 the silence these past weeks. Life happened fast and furious....
over a year ago
0. It’s Been a Long Time
Sorry 4 the silence these past weeks. Life happened fast and furious. Barry’s daughters all had marching band, and he chaperoned 4 the parades. His eldest daughter also went and got a boyfriend. Shawn’s been feeling a little under the weather, and his two...
Notes on software...
Generating a full-stack application from a database
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated...
over a year ago
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated REST API (in Go).
The UI has full support for login, viewing (and filtering), editing,
and creating database entities.
PostgreSQL, SQLite and MySQL are supported.
How to use?
The...
computers are bad
2024-06-02 consumer electronics control
In a previous episode, I discussed audio
transports
and mention that they have become a much less...
6 months ago
In a previous episode, I discussed audio
transports
and mention that they have become a much less important part of the modern home
theater landscape. One reason is the broad decline of the component system:
most consumers aren't buying a television, home theater receiver,...
Gwern.net Newsletter
Jan 2021 Gwern.net Newsletter
January 2021 gwern.net newsletter with links on AI scaling up and down.
over a year ago
January 2021 gwern.net newsletter with links on AI scaling up and down.
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.
Home on Erik...
My favorite management failures
For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Home on Erik...
Pinterest open sources Pinball
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two...
over a year ago
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two blog posts: Pinball: Building workflow management (from 2014) and Open-sourcing Pinball (from this week). The author has a comment in the comments thread on Hacker News:
Arduino Blog
Meet Real Robot One V2: A mini DIY industrial robot arm
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s...
5 months ago
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s Real Robot One (RR1) project is a fully-featured 6+1-axis robot arm based on 3D-printed parts and widely available electronics. The initial release was constructed with PETG...
Notes on software...
An effective product manager
There are three specific activities I have loved in some product
managers I've worked with (and...
a year ago
There are three specific activities I have loved in some product
managers I've worked with (and missed in others).
tldr;
Talk with customers and prospects
Develop and share a vision
Evangelize
Talk with customers and prospects
As a product manager, your superpower over...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Louwrentius
ZFS: resilver performance of various RAID schemas
When building your own DIY home NAS, it is important that you simulate and test drive failures...
over a year ago
When building your own DIY home NAS, it is important that you simulate and test drive failures before you put your important data on it. It makes sense to know what to do in case a drive needs to be replaced. I also recommend putting a substantial amount of data on your NAS and...
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...
Odds and Ends of...
Nobody knows what the National Data Library is (not even the government)
A policy wrapped in a mystery inside an enigma
a month ago
A policy wrapped in a mystery inside an enigma
Willem's Blog
Rolex DateJust 36
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
Jonas Hietala
Slackware update
The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my...
over a year ago
The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my installation and I decided to go through with a larger reinstallation once more. This is a log of some things I did differently.
Kernel
Before installing the kernel it’s nice to...
Yazin Alirhayim
The Meem app: it sucks
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch.
That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [...
a year ago
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ['$', '$'], ["\\(", "\\)"] ],
displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ],
processEscapes: true,
skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Ian's Blog
The Zune "HD"
It is my joy and pleasure to present to you: the Zune "HD". The final device to wear the Zune name,...
over a year ago
It is my joy and pleasure to present to you: the Zune "HD". The final device to wear the Zune name, released by Microsoft in October of 2009. A direct competitor to Apple's wildly successful iPod Touch, the Zune HD was the first Zune to feature a multi-touch display, full web...
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...
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited
about the...
10 months ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited
about the whole experience.
I’ve split this post into three separate sections.
overall notes on the conference and the city
less technical, but sheds light on the FOSDEM experience
the...
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...
Computer Ads from...
ViaGrafix Computer Training Videos
Learn...by Simply Watching TV
a month ago
Learn...by Simply Watching TV
computers are bad
2024-04-05 the life of one earth station
Sometimes, when I am feeling down, I read about failed satellite TV (STV)
services. Don't we all?...
8 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV)
services. Don't we all? As a result, I've periodically come across a company
called AlphaStar Television Network. PrimeStar may have had a rough life, but
AlphaStar barely had one at all: it launched in...
Home on Erik...
Domains for sale
Contact me at mail at erik bern dot com!
over a year ago
Contact me at mail at erik bern dot com!
Jonas Hietala
Friend of the Tree
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Louwrentius
Linux: script that creates table of network interface properties
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an...
over a year ago
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an existing linux command for this but I couldn't find it so I quickly wrote my
own script (download).
This is the output:
The only requirement for this script is that you have...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers
At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
5 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
Jonas Hietala
Calling closures in a Vec
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs:...
over a year ago
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs: Vec<||> = Vec::new();
fs.push(|| { println!("imma firing my lazer"); });
for f in fs.iter() {
f(); // error: expected function but found `&||`
};
Maybe if we borrow...
Arduino Blog
This portable Starmap could be your guide to the cosmos
Estimates vary, but there are generally a few thousand stars bright enough to see in the sky on a...
6 months ago
Estimates vary, but there are generally a few thousand stars bright enough to see in the sky on a clear, moonless, cloudless night away from city lights. You might be able to identify a couple of them, along with a handful of constellations. But what about the rest? If they...
Home on Erik...
How to set compensation using commonsense principles
Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
Jonas Hietala
2015 Read Books
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song...
over a year ago
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song of Ice and Fire: A Dance with Dragons - George R.R. Martin
Reread.
A Knight of the Seven Kingdoms - Gearge R.R. Martin
The Skin Collector - Jeffery Deaver
Best Served Cold - Joe...
computers are bad
2024-05-06 matrix
For those of you who are members of the Matrix project, I wanted to let you
know that I am running...
7 months ago
For those of you who are members of the Matrix project, I wanted to let you
know that I am running for the Governing Board, and a bit about why. For those
of you who are not, I hope you will forgive the intrusion. Maybe you'll find my
opinions on the topic interesting anyway.
I...
Jonas Hietala
Long Term Goals Update
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing...
over a year ago
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing intensity. They were mostly thoughts about not having accomplished anything and that the future looks bleak and meaningless and it’s not worth to do anything. As usual they are...
lcamtuf’s thing
The serious science of trolling LLMs
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would...
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Arduino Blog
This giant animatronic LEGO minifig zombie is a delight
LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough...
4 months ago
LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough constraint to force people to consider their art and design choices. That’s exactly the kind of pressure that Wicked Makers’ Jaimie and Jay thrive under, leading them to build this...
Arduino Blog
Coolest controllers ever? Icy gamepads melt in users’ hands
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major...
5 months ago
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major exception: stick drift. That’s a reliability issue that eventually affects a large percentage of Joy-Cons, to the frustration of gamers. But what if that was intentional and...
Posts on Made of...
Measuring Capacity Through Utilization
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts...
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”.
By this I mean: If you look at the behavior of a...
./techtipsy
Back to roots
This blog is running on a home server again.
I have once again gained access to a competent internet...
6 months ago
This blog is running on a home server again.
I have once again gained access to a competent internet connection1, and
I think I have figured out the IPv6 setup as well2, leading to this change.
The IP address is dynamic, there are occasional power outages and I might just
mess up...
Home on Erik...
NYC subway math
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the...
over a year ago
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the subway takes autistic proportions and so obviously I had to analyze some of the data. The documentation is somewhat terrible, but here's some relevant code for how to use the API:
Louwrentius
Got myself a Norco RPC-4020
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion....
over a year ago
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion. The current 6 TB RAID 6 storage server does not have any
room for expantion.
This Norco RPC-4020 case with 20 hot swap drive bays does however. Don't know
what to fill it with yet.
Bryan Braun - Blog
Before you buy a domain name, first check to see if it’s haunted
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an...
a month ago
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an interactive online music box that I had built and hosted at musicboxfun.com. The new name was shorter and more quirky. I felt lucky to have grabbed it.
Unfortunately, musicbox.fun...
Old Vintage...
The Apple Network Server's all-too-secret weapon (featuring PPC Toolbox)
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately...
a year ago
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately larger beasts: you've met homer, my 1987 HP 9000/350 rack system, and Floodgap is powered by uppsala, a 2U-in-a-tower IBM POWER6 520 running AIX. But my first "large" machine, and...
Simply Explained
Multitasking on ESP32 with Arduino and FreeRTOS
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small,...
over a year ago
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small, powerful, have a ton of onboard features, and they're relatively easy to program.However, when using it together with Arduino, all your code runs on a single core. That seems a bit...
Neil Madden
Newsletter
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably...
11 months ago
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably exploring a few topics around AI and philosophy. If you’d prefer some more technical content around security and cryptography, then take a look at the newsletter I put out for my...
Simply Explained
Howto Virtualize Unraid on a Proxmox host
Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already...
over a year ago
Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already using Proxmox and if you want to use Unraid as a NAS.
Willem's Blog
Some thoughts on touch screen user interface design
I am working on a new app involving personal health that requires a natural intuitive interface that...
over a year ago
I am working on a new app involving personal health that requires a natural intuitive interface that works well on touch screens. It's good to check out some best practices for touch UI design
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...
a month 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...
Push to Prod
One Key Aspect of Optimizing Computational Throughput
When optimizing throughput, think carefully about how many CPUs you have when adding threads or...
3 months ago
When optimizing throughput, think carefully about how many CPUs you have when adding threads or processes.
Computer Ads from...
Plus Post: Lobo MAX-80
The Computer Tandy Should Have Built (at least according to the ad).
9 months ago
The Computer Tandy Should Have Built (at least according to the ad).
Jonas Hietala
My first rust Contribution
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How...
over a year ago
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How shall I push my changes? How do I handle git? What should I do?
I was the same and I actually dreaded my awesome summer job, just a little bit, because now I’m supposed to...
Jonas Hietala
Poking at Emacs
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty...
over a year ago
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty confident and happy with it. For those who don’t know it’s basically a text editor, like notepad, but with a lot of keycommands which allows you to edit code (and text in general)...
Good Enough
Thoughts On Thoughts
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our...
a year ago
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our thoughts and what we believe about them.
Or perhaps we can think of this as an intervention. This post is the circle of friends gathered to help us stop hitting ourselves in the...
Jonas Hietala
Let's build a VORON: Wrap-up
It’s finally done™.
I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
9 months ago
It’s finally done™.
I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective.
Building the printer was really fun and rewarding
I’ve always seen...
Simply Explained
ESP32: Tips to increase battery life
Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes...
over a year ago
Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes great responsibility. In this post, I’ll outline how I got an ESP32 to run for over 15 weeks (and counting) on a single 1000mAh battery.
Notes on software...
Confusion is a muse
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I...
6 months ago
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I write is, confusion. You're at work
and you start asking questions that are difficult to answer. You spend
a few hours or a day trying to get to the bottom of things.
If you ask a...
Arduino Blog
This beautiful table creates art in the sand
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Arduino Blog
Self-leveling workbench can travel without trouble
An actually level workbench is critical for many different jobs, such as pouring resin or...
6 months ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
Applied Cartography
Bluesky is good
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for...
a week ago
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for the dubious title of "Twitter's successor" and landed on Bluesky as being my favorite, perhaps less out of its ostensible inherent virtues and more out of the size of its...
anderegg.ca
More details on Bluesky’s subscription plan
Update: I had missed this, but the Bluesky team had already announced a subscription model was on...
2 weeks ago
Update: I had missed this, but the Bluesky team had already announced a subscription model was on the way. I had written this article assuming that was the news. What is new is the work happening on their official apps, which contains details on features and potential pricing. An...
Birchtree
I don’t care about bad or missing features that I don’t use
Sometimes I’ll talk about something I like online and people will express shock that I can use a...
2 weeks ago
Sometimes I’ll talk about something I like online and people will express shock that I can use a product that has such a clear downside. I’ve gotten people ask how I can use Things since it doesn’t have shared task lists. More recently I
computers are bad
2023-05-07 electrical characteristics of telephone lines
Let's take a break from our boring topic of regional history to focus instead
on an even more boring...
a year ago
Let's take a break from our boring topic of regional history to focus instead
on an even more boring topic: implementation details of telephone lines.
The conventional "copper pair" analog telephone line is fading away. The FCC
has begun to authorize abandonment of copper outside...
Lighthouse Blog
Updates December 15: Rebranding to Lighthouse and complete redesign
a year ago
Abort Retry Fail
The History of Lotus
The Hardest Working Software in the World
a year ago
The Hardest Working Software in the World
Jonas Hietala
The first (worst) post
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog...
over a year ago
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog will be about and maybe, if I’m dedicated, it won’t die before Christmas you think.
And sure, you’re right. I will run away to the corner in about two and a half months crying I never...
Construction Physics
How Good Are American Roads?
We’re in an era where US infrastructure is getting a lot of attention.
a month ago
We’re in an era where US infrastructure is getting a lot of attention.
Home on Erik...
Looking for smart people
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
10 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
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.
Applied Cartography
Use Rails
I have a good number of people ask me what software stack they should use. I always have a two-part...
7 months ago
I have a good number of people ask me what software stack they should use. I always have a two-part answer:
Use what you're familiar with. If there's something that you've spent a good amount of time using, stick with that one.
Rails. People are usually surprised when I say this...
Arduino Blog
A DIY bottle-labeling machine perfect for homebrewers
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires...
6 months ago
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires regulated gas and large refrigeration space. A keg is also more difficult to transport and overkill if you just want to bring a few beers to a friend’s backyard BBQ. For those reasons,...
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!
Gwern.net Newsletter
June gwern.net newsletter
June 2020 gwern.net newsletter with 3 new pages/essays, and links on CRISPR, population screening,...
over a year ago
June 2020 gwern.net newsletter with 3 new pages/essays, and links on CRISPR, population screening, AI scaling, politics, and technological unemployment.
./techtipsy
Oversimplified guide into snapshots on the btrfs filesystem
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files...
over a year ago
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files around. You finish the script and test it out.
Oops.
All the files now have all the wrong names, and some have been randomly moved
10 folders deep. It’s a mess.
And you didn’t make a...
lcamtuf’s thing
A 15-minute intro to resin casting
At one point in my life, I penned an epic, 110-page opus on hobby manufacturing.
17 hours ago
At one point in my life, I penned an epic, 110-page opus on hobby manufacturing.
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