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Vitalik Buterin's...
La votación mediante blockchain está sobrevalorada entre personas desinformadas pero subestimada...
over a year ago
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty (This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
3
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here) In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
./techtipsy
Testing GPU passthrough on AMD Ryzen 7 5700G APU Introduction Before we jump into all the nitty-gritty details, I’d like to go over what we are...
over a year ago
24
over a year ago
Introduction Before we jump into all the nitty-gritty details, I’d like to go over what we are dealing with here since these topics may be unfamiliar to you. VFIO is quite a niche topic and not everyone knows about it. GPU passthrough: the process of allowing a VM...
Willem's Blog
Space travelling from El Teide On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a...
over a year ago
3
over a year ago
On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a perfect altitude for stargazing.
Home on Erik...
Optimizing for iteration speed I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
2
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Good Enough
The Space Between Us Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
3
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4 Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
34
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
Lighthouse Blog
How to combine multiple RSS feeds in one view
6 months ago
Willem's Blog
The Ultimate Freedom Bike With the Brompton foldable bike you find yourself a very versatile companion to go whenever and...
over a year ago
2
over a year ago
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and wherever you please!
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
9 months ago
2
9 months ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
anderegg.ca
Maybe Bluesky has “won” November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X....
a month ago
4
a month ago
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this...
Jonas Hietala
Establishing Habits with Habitica I have used Habitica the last 18 months to organize my habits and things I want to get done. I...
over a year ago
3
over a year ago
I have used Habitica the last 18 months to organize my habits and things I want to get done. I believe it all started with an amazing book called The Power of Habit which describes the amazing benefits habits can give, both in the context of your own life but also in business....
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
Vitalik Buterin's...
Farklı ZK-EVM Türleri
over a year ago
Home on Erik...
Welcome Echo Nest! In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been...
over a year ago
2
over a year ago
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been obsessed with understanding music for the past 8 years since it was founded by Brian Whitman and Tristan Jehan out of MIT Medialab.
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
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
3
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them. Protecting that signing key is important, as Apple must blindly trust any binaries...
computers are bad
2023-08-07 STIRred AND SHAKEN In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps...
a year ago
76
a year ago
In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps spurred by boredom, I looked through the schedule to see what's in store in the world of telephony. There is a workshop on SS7, of course [1], plenty of content on cellular, but...
Good Enough
Grassroots TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
3
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff! As we’ve been...
Applied Cartography
Notes on Zed, revisited A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
5
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment. Six months later, I spent a few days using it as my daily...
./techtipsy
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
25
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...
Arduino Blog
Hey Google! Meet Arduino Cloud We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
7 months ago
68
7 months ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions.  This new...
Neil Madden
How do you use a bearer URL? In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
3
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Willem's Blog
Do amazing things with a focused mind Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
over a year ago
./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
17
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...
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
2
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...
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos? A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
Notes on software...
Notes from Neal Gabler's Walt Disney Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though...
a year ago
3
a year ago
Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though politically the 1930s was considered the decade of Roosevelt (elected President in 1933), culturally the 1930s was considered the decade of Mickey Mouse. Almost every new...
Gwern.net Newsletter
October 2020 news October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization &...
over a year ago
3
over a year ago
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization & improvement.
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
3
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?
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
Good Enough
Good Enough, A Serious Business Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you...
a year ago
2
a year ago
Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you a bit about how Good Enough came to be and what we plan on doing here. Barry and I started working together again in early 2022. By “work,” I mean that I’d show up on Slack for a...
Good Enough
Cool URLs Don’t Die If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
3
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers. This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
Willem's Blog
Working Offline First Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise...
a year ago
2
a year ago
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise your workflow – join my cloud-free adventure today!
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
39
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
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
3
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...
Jonas Hietala
2020 in review And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me...
over a year ago
3
over a year ago
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me personally it’s been both good and bad. Luckily we haven’t been directly affected by COVID too much, but it’s still been very disruptive. Either way as I’ve done for years now it always...
./techtipsy
ThinkPad T40: it can still run modern Linux, for now I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some...
7 months ago
95
7 months ago
I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some time around my university days because I liked collecting ThinkPads at the time, and it was a nice complement to my existing ThinkPad T60 and T430. The battery is dead, but everything...
Jonas Hietala
A Simple Thought I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about...
over a year ago
1
over a year ago
I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about that yesterday and I was very, very nervous. The preparations weren’t that hard, but they where very bothersome. Converting the instructions to binary/hex by hand is never nice....
Lighthouse Blog
Updates January 19
11 months ago
Avestura's Blog
Oversimplified ideas of the great philosophers of all times Ideas of the great philosophers of all times explained in a few lines
a year ago
Home on Erik...
I don't want to learn your garbage query language This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
2
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
Jonas Hietala
Rewriting my Neovim config in Lua This screenshot betrays just how much productive time was wasted setting this up. I’ve got tons of...
a year ago
3
a year ago
This screenshot betrays just how much productive time was wasted setting this up. I’ve got tons of things to do; clean the bathrooms, prototype an idea for a SaaS and ponder world peace. So naturally the procrastination took over and I rewrote my Neovim configuration in...
computers are bad
2024-08-19 mining for meteors Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading...
4 months ago
54
4 months ago
Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading Post, a small store a few miles out of Joseph City, would hardly be remembered were it not for its billboards spanning four states. The tradition of far-advance billboards is still...
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
3
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
Jonas Hietala
2015 in Review Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university...
over a year ago
3
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university studies and got a Master in Computer Science. Discovered a new boardgame love: Android Netrunner. Finished top 4 in my first Netrunner Store Championship. Won a small local Netrunner...
Willem's Blog
The best bike computer app: Cyclemeter Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a...
over a year ago
3
over a year ago
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high...
over a year ago
3
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high bandwidth As a home user, I'm mainly interested in setting up a high bandwidth link between two servers. I was using quad-port network cards with Linux Bonding, but this solution has some...
Christian Selig
The Caldera: a sleek split and wireless keyboard I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically...
5 months ago
57
5 months ago
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically my dream wireless split keyboard. I’ve been using it for months, and I love it. Video overview If you’re a visual person, I made a fun little video showcasing the...
Lighthouse Blog
Updates June 14
6 months ago
Jonas Hietala
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
over a year ago
3
over a year ago
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
3 months ago
2
3 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong. Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood). Zero drive failures in ten years, how is that...
Home on Erik...
The mathematical principles of management I've read about 100 management books by now but if there's something that always bothered me it's...
over a year ago
2
over a year ago
I've read about 100 management books by now but if there's something that always bothered me it's the lack of first principles thinking. Basically it's a ton of heuristics. And heuristics are great, but when you present heuristics as true objectives, it kind of clouds the...
Home on Erik...
More Luigi alternatives The workflow engine battle has intensified with some more interesting entries lately! Here are a...
over a year ago
2
over a year ago
The workflow engine battle has intensified with some more interesting entries lately! Here are a couple I encountered in the last few days. I love that at least two of them are direct references to Luigi!
Louwrentius
Is there an easy and secure way to transfer files? Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
3
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic. Many organisations do not seem too concerned about...
Jonas Hietala
How I made a kick-ass cover for my self-published book If you want to publish a book, one of the most important things to consider is the cover—after all,...
over a year ago
2
over a year ago
If you want to publish a book, one of the most important things to consider is the cover—after all, we judge the book by the cover. And I did it the universally recommended way: I hired a designer. Simple, right? But real talk; it’s not exactly that simple and I did a bunch of...
Avestura's Blog
How to change visibility in massive GitHub organizations like EpicGames? How to publicize and un-publicize your visibility in massive GitHub orgs?
over a year ago
Engineers Need Art
Casady & Greene Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software...
3 months ago
41
3 months ago
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software publishing.
Ken Shirriff's blog
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962 What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from...
10 months ago
2
10 months ago
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974? Perhaps the lesser-known Micral N (1973) or Q1 (1972)? How about the Arma Micro Computer from way back in 1962. The Arma Micro Computer was a compact 20-pound transistorized...
computers are bad
2023-07-15 underwater ears everywhere Programming note: the subscribe link was broken for a while because I am bad at computers (yet...
a year ago
46
a year ago
Programming note: the subscribe link was broken for a while because I am bad at computers (yet another case of "forgot to enable the systemd unit"). It's fixed now. The unsubscribe link was also broken and is now fixed but, you know, maybe that was a feature. Did wonders for...
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
2 months ago
38
2 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
OH8HUB’s Substack
Eliminating Radio Interference from Apple charger Apple's product design teams should do a better job eliminating unwanted radio frequency emissions...
a year ago
Opsbros
Artemis 1 Countdown I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it...
over a year ago
3
over a year ago
I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it with serveral people, and I had been regularly posting updated DateandTime countdown links for the revised launch attempts. With the schedule chnages and scrubs that have happened...
Vitalik Buterin's...
Layer 2s as cultural extensions of Ethereum
6 months ago
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
3
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.
Arduino Blog
Innovative new tactile sensor helps assess fine motor skills Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s...
7 months ago
66
7 months ago
Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s motor skills can be critical in diagnosing and treating a variety of conditions. But objective evaluation has been a challenge, as suitable sensors weren’t available. To help...
Jonas Hietala
Netrunner ID draft Örebro I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what...
over a year ago
2
over a year ago
I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what happened. Disclaimer: My memory is a little bit fuzzy and the events may or may not correspond to what actually happened. The draft The idea was to randomly sort all entrants and...
Willem's Blog
Born with MCADD Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
2
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
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
2
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...
Notes on software...
The world of PostgreSQL wire compatibility This is an external post of mine. Click here if you are not redirected.
over a year ago
computers are bad
2023-01-29 the parallel port A few days ago, on a certain orange website, I came across an article about an improvised parallel...
a year ago
57
a year ago
A few days ago, on a certain orange website, I came across an article about an improvised parallel printer capture device. This contains the line: There are other projects out there, but when you google for terms such as "parallel port to usb", they drown in a sea of "USB to...
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently Ok, so I have to first preface this whole blog post by a few things: I really struggle with the...
over a year ago
3
over a year ago
Ok, so I have to first preface this whole blog post by a few things: I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Matt Mullenweg
Bezos at Dealbook It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew...
2 weeks ago
6
2 weeks ago
It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew Ross Sorkin, but this one with Jeff Bezos was particularly good.
GitButler
The New Era of Town Hall Chat We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
3 months ago
3
3 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Willem's Blog
Migrating to the Cloud Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of...
over a year ago
2
over a year ago
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of cables, cabinets and bandwidth!
Arduino Blog
Improve laser engraving speeds with an Arduino-controlled turntable Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but...
6 months ago
45
6 months ago
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but what happens when the production volume needs to increase? For element14 Presents host Clem Mayer, this usually meant preparing many uniform pieces of engraving stock, opening the...
Applied Cartography
Git one-liner: get the earliest commit from X hours ago I wanted to get a commit that was temporally some distance back as part of my experimentation with...
7 months ago
3
7 months ago
I wanted to get a commit that was temporally some distance back as part of my experimentation with git cliff. This took some time to do, but here's what I ended up with: git log --since="72 hours ago" --until="now" --reverse --pretty=format:"%h" | head -1 Nothing particularly...
Home on Erik...
Spotify's Discovery page The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage...
over a year ago
3
over a year ago
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage of all users. Really happy since we have worked on it for the past six months. Here's a screen shot:
latest projects -...
Motorised Camera Slider [Hardware] Simple smooth motor mod
5 months ago
Vitalik Buterin's...
Travel time ~= 750 * distance ^ 0.6
a year ago
Good Enough
That time Marvel secretly endorsed my podcast with “the greatest comic book cover of all time” This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a...
a year ago
2
a year ago
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a record of this somewhere on the internet!” and I don’t have my own blog. Years ago my friend and I ran a radio show called Gorilla Madness, which we also spun out into a podcast after...
Applied Cartography
Notes on buttondown.com We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
3 months ago
3
3 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made. As...
Jonas Hietala
fish_update_completions in Slackware 14.1 I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically...
over a year ago
2
over a year ago
I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically generate completions by parsing the installed man pages by running fish_update_completions. Unfortunately this is what I got: Traceback (most recent call last): File...
computers are bad
2024-09-08 private lines I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs)....
3 months ago
35
3 months ago
I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs). These could be considered an early form of products like "virtual private ethernet:" a private telephone network that was served by the same switching machines that handled the...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980) This British inventor speaking about his ZX-80 computer system
2 weeks ago
Matt Blewitt
7 Databases in 7 Weeks for 2025 I’ve been running databases-as-a-service for a long time, and there are always new things to keep...
3 weeks ago
5
3 weeks ago
I’ve been running databases-as-a-service for a long time, and there are always new things to keep abreast of - new technologies, different ways of solving problems, not to mention all the research coming out of universities. In 2025, consider spending a week with each of these...
Applied Cartography
Shipping is capturing value This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a...
4 weeks ago
5
4 weeks ago
This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a Moral Mazes-esque analysis of how engineers at large companies should think about shipping: Shipping is a social construct within a company. Concretely, that means that a project is...
Jonas Hietala
Long Term Goals I have a lot of things I want to do. Right now I want to go to the kids training tomorrow and also...
over a year ago
2
over a year ago
I have a lot of things I want to do. Right now I want to go to the kids training tomorrow and also to our training time. I haven’t trained a lot lately so it feels good to do something again and training the kids is very rewarding. On Monday I have the next graph theory lecture...
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
3
over a year ago
Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM. When I bought this drive, we were still in...
Construction Physics
The Long Road to Fiber Optics Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
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
2
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...
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
74
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
2
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
detreville
Father's Day (First posted on Father's Day, 2022.)
a year ago
Jonas Hietala
Postmortem: Sat-E This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The...
over a year ago
2
over a year ago
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The Good Motivation I was really motivated for this dare and it showed in the game and outside it. It’s super hard to make a game in only 48 hours but this time it went pretty well. My...
Home on Erik...
Modeling conversion rates using Weibull and gamma distributions This is a blog post originally featured on the Better engineering blog. If you want to link to this...
over a year ago
2
over a year ago
This is a blog post originally featured on the Better engineering blog. If you want to link to this article or share it, please go to the original post URL! Separately, I'm sorry it's been so long with no posts on this blog.
Opsbros
IBM M13 Trackpoint USB Converter Me, never not on the lookout for an opportunity to design something, whether needed or not, worked...
over a year ago
2
over a year ago
Me, never not on the lookout for an opportunity to design something, whether needed or not, worked with @micon to design a module that could fit snugly in the keyboard, and provide a USB-C interface directly into the Keyboard/Mouse module.
Computer Ads from...
Applied Analytics' MicroSPEED Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
6 months ago
Louwrentius
Fully unattended deployment of Windows clients using limited resources Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution...
over a year ago
3
over a year ago
Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution that automate this task. It's just waiting a lot and pressing a button now and then. But installing the operating system itself is only the beginning. Once installed, you need to...
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
80
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...
Jonas Hietala
Death to the Forum Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It...
over a year ago
3
over a year ago
Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It was mainly a test to see if I could do it and I’m really proud of my styling of it but it’s deader than in a grave, which isn’t really surprising, and it bothered me that I didn’t...
Willem's Blog
Data versus Feeling Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to...
4 days ago
18
4 days ago
Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to find out the differences!
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system Your service cannot process events fast enough during peak hours. There is no obvious quick and...
a year ago
73
a year ago
Your service cannot process events fast enough during peak hours. There is no obvious quick and dirty fix. Refactoring would take ages. People have been unhappy for a while now. What the hell do you do? Background I had the pleasure of working with a legacy backend system...
Odds and Ends of...
Odds and Ends #44: The New Statesman still needs fixing Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
3 weeks ago
Vitalik Buterin's...
Sharding FAQ
over a year ago
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
64
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...
detreville
The IBM 701 "IBM's first computer"
a year ago
./techtipsy
My cat water fountain comes with a spicy USB power adapter It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit...
a year ago
75
a year ago
It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit Flower Fountain for my two adorable cats. The idea of a water fountain for cats may sound odd, but having one really helps with cats staying hydrated and that alone avoids all sorts...
Style over Substance
Review of the 2-dial TTArtisan Light Meter My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
66
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
Louwrentius
Don't use cloud services if you care about secrecy of your data When you use cloud services, you are storing your data on other people's hard drives. The moment you...
over a year ago
2
over a year ago
When you use cloud services, you are storing your data on other people's hard drives. The moment you put your data within a cloud service, that data is no longer under your control. You don't know who will access that data. Secrecy is lost. Instead of using services like Gmail...
Jonas Hietala
Autumn 2016 Goals Retrospective Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few...
over a year ago
2
over a year ago
Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few things and I failed others. Exercise and Health Eat more strict LCHF for 1 month ok Train BJJ or MMA for 1 month ok 2 months of lifting at the gym ok Powerlifting 100 kg deadlift 5x5...
Jonas Hietala
Let's build a VORON: Noise The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
9 months ago
3
9 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is. But there’s one thing that sucks: it’s damn loud. I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise. Silent controller...
Notes on software...
First few hurdles writing a Scheme interpreter I started working on BSDScheme last October, inspired to get back into language implementation after...
over a year ago
2
over a year ago
I started working on BSDScheme last October, inspired to get back into language implementation after my coworker built bshift, a compiler for a C-like language. BSDScheme is an interpreter for a (currently small subset of) Scheme written in D. It implements a few substantial...
Willem's Blog
Rescuing files from a broken harddisk Yesterday I helped a young woman with her broken computer containing precious photos, could I safe...
over a year ago
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
3
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...
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
3
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences. Some Background You...
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
67
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
Long Term Goals (part 2) A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
2
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have: Write my own Programming Language Why? Because it sounds fun and epic as hell. Write a Book So I like books and I like to collect them and I have my whole bookcase...
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
2
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...
axio.ms
Axio.ms site refresh This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4...
over a year ago
2
over a year ago
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4 years, I’m still alive”. The original axio.ms site was a very HTML1.0 affair and while this was kind of intentional-tongue-in-cheek-chic, it was also a PITA to update. It wasn’t...
Louwrentius
Linux: get a list of al disks and their size To get a list of all disk drives of a Linux system, such as this: Disk /dev/md0: 58.0 GB Disk...
over a year ago
2
over a year ago
To get a list of all disk drives of a Linux system, such as this: Disk /dev/md0: 58.0 GB Disk /dev/md1: 2015 MB Disk /dev/md5: 18002.2 GB Disk /dev/sda: 60.0 GB Disk /dev/sdb: 60.0 GB Disk /dev/sdc: 1000.1 GB Disk /dev/sdd: 1000.1 GB Disk /dev/sde: 1000.1 GB Disk /dev/sdf: 1000.1...
Vitalik Buterin's...
Hard Forks, Soft Forks, Defaults and Coercion
over a year ago
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
GitButler
Git Merge 2024 Talks are Up All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
a month ago
Posts on Made of...
New reptyr feature: TTY-stealing Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally...
over a year ago
2
over a year ago
Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally didn’t know how to solve within the reptyr model. Most annoyingly, reptyr fundamentally only worked on single processes, and could not attach processes with children, making it...
Jonas Hietala
I, Robot Here are the results of the big robot construction course we had before christmas! The whole process...
over a year ago
3
over a year ago
Here are the results of the big robot construction course we had before christmas! The whole process went smooth and our group was amazing. The design and building of the robot went well even though in hindsight I would’ve changed a lot of stuff. The ending competition didn’t go...
./techtipsy
DIY cloud gaming: NVIDIA and Moonlight As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming...
over a year ago
28
over a year ago
As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming setup running. I have one powerful desktop PC, one virtual machine with a GPU attached to it, and client machines that can be used to stream games from. To keep things simple (and...
Home on Erik...
Momentum strategies Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
2
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
seangoedecke.com RSS...
Acing the coding challenge How do you write a successful coding challenge? Unlike some nightmare whiteboard interview...
over a year ago
3
over a year ago
How do you write a successful coding challenge? Unlike some nightmare whiteboard interview scenarios, typically a coding challenge is not a…
Arduino Blog
This Halo helmet features an adjustable-transparency RGB-backlit visor The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the...
3 weeks ago
12
3 weeks ago
The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the Needler. But the armor, such as the Spartan armor worn by Master Chief, is arguably the most recognizable. The helmets are especially cool, and LeMaster Tech put his own unique spin...
lcamtuf’s thing
Random objects: Guycot & Jarre Early repeating handguns, or another unnecessary excursion into the bowels of history.
6 months ago
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
56
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Computer Ads from...
The Grand Stand Joystick Stabilizer Support & Score Enhancer
a month ago
./techtipsy
How to fix ZFS pool not importing at boot Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
23
over a year ago
Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using zpool import poolname or zpool import -a. In...
./techtipsy
My experience at the k-space hackerspace hackathon k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in...
a year ago
37
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no expectations about building a business or coming up with an MVP, just come on down to the space and start working on...
computers are bad
2024-09-14 the national warning system Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and...
3 months ago
39
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and telephone operating companies sold as private lines. One of the interesting properties of private line systems is that they can be ordered as four-wire. Internally, the telephone network...
./techtipsy
TOMO M4: probably the coolest power bank I've owned A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting...
a year ago
36
a year ago
A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting two, and here’s why. This post is not sponsored. Removable batteries Let’s start with the feature that I appreciate the most: removable batteries! The TOMO M4 accepts up to 4...
Notes on software...
Parser generators vs. handwritten parsers: surveying major language implementations in 2021 Developers often think parser generators are the sole legit way to build programming language...
over a year ago
2
over a year ago
Developers often think parser generators are the sole legit way to build programming language frontends, possibly because compiler courses in university teach lex/yacc variants. But do any modern programming languages actually use parser generators anymore? To find out, this post...
Odds and Ends of...
WATCH: Were the US election polls right? My conversation with polling guru Mark Pack
a month ago
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
2
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
Home on Erik...
Leaving Spotify Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an...
over a year ago
2
over a year ago
Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an amazing experience. I joined Spotify in Stockholm in 2008, mainly because a bunch of friends from programming competitions had joined already.
Home on Erik...
Stuff that bothers me: &#8220;100x faster than Hadoop&#8221; The simple way to get featured on big data blog these days seem to be Build something that does 1...
over a year ago
2
over a year ago
The simple way to get featured on big data blog these days seem to be Build something that does 1 thing super well but nothing else Benchmark it against Hadoop Publish stats showing that it's 100x faster than Hadoop $$$ Spark claims their 100x faster than Hadoop and there's a...
Lars Lofgren
My 7 Rules for A/B Testing That Triple Conversion Rates I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I...
over a year ago
2
over a year ago
I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I double or triple conversion rates without caring how a test performs? I actually care about the whole SYSTEM of testing. All the pieces need to fit together just right. If not,...
Applied Cartography
Why your marketing site should be separate In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
3 months ago
3
3 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
Louwrentius
Please use ZFS with ECC Memory In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
2
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs. Why ZFS? Many people...
Vitalik Buterin's...
On Radical Markets
over a year ago
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024 I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I...
4 months ago
50
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later. Oops. I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
Arduino Blog
Track the location history of your devices in Arduino Cloud IoT dashboards Asset tracking has become increasingly crucial across various industries and applications. Whether...
6 months ago
41
6 months ago
Asset tracking has become increasingly crucial across various industries and applications. Whether you’re a logistics company monitoring your fleet, a conservation organization tracking wildlife, or an individual passionate about outdoor adventures, the ability to track and...
Louwrentius
'Linux: using disk labels to counter storage device name changes' My router decided to change the device name for some USB storage devices. So /dev/sdc was swapped...
over a year ago
3
over a year ago
My router decided to change the device name for some USB storage devices. So /dev/sdc was swapped for /dev/sdd and vice versa. The result was some file system corruption on /dev/sdc, because it was used on a remote system through iSCSI, using a different file system from...
computers are bad
2023-07-29 Free Public WiFi Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
56
a year ago
Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza in Atlanta, Georgia. This was in the age when the price of a hotel room was directly correlated with the price of the WiFi service, and as a high school student I was not...
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
2
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…
Lighthouse Blog
Updates November 10
a year ago
GitButler
GitButler 0.12 - "Stingy Baker" New GitButler release is out! Undo anything, modify your commits with ease, new AI stuff and more!
6 months ago
Jonas Hietala
Black and White Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a...
over a year ago
2
over a year ago
Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a game where graphics where included into the gameplay but sadly it didn’t come out nearly as good as I expected it too. Yes I know there are a lot of things bad and wrong with this...
Arduino Blog
This 3D-printed robotic arm can be built with just a few inexpensive components Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts,...
2 months ago
29
2 months ago
Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts, such as actuators, only increases that feeling of inaccessibility. But as FABRI Creator shows in their most recent video, you can build a useful robotic arm with just a handful of...
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output...
over a year ago
3
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output is written to a file or disk. Only when Nmap is finished, is all output written to the output file. Often, I want to start processing results of hosts that have already been...
Home on Erik...
Iterate or die Here's a conclusion I've made building consumer products for many years: the speed at which a...
over a year ago
2
over a year ago
Here's a conclusion I've made building consumer products for many years: the speed at which a company innovates is limited by its iteration speed. I don't even mean throughput here. I just mean the cycle time.
Neil Madden
API Security in Action handed over to production After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
3
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 2: The Surge
2 months ago
Jonas Hietala
The Experimental Games It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and...
over a year ago
2
over a year ago
It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and maybe go in a new direction. At first I had been stuck for ages with my never-ending projects and I had literally nothing to show for all my coding. Well now things have changed a...
Gwern.net Newsletter
April 2021 newsletter with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement...
over a year ago
2
over a year ago
with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement learning.
csvbase blog
I didn't write any Javascript, and other shortcuts Getting it done by not doing a lot of it
a year ago
Home on Erik...
Detecting corporate fraud using Benford's law Note: This is a silly application. Don't take anything seriously. Benford's law describes a...
over a year ago
2
over a year ago
Note: This is a silly application. Don't take anything seriously. Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
Posts on Made of...
Running Tensorflow on AWS GPUs I’ve been spending some time learning deep learning and tensorflow recently, and as part of that...
over a year ago
2
over a year ago
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that project I wanted to be able to train models using GPUs on EC2. This post contains some notes on what it took to get that working. As many people have commented, the environment setup...
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
2
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...
computers are bad
2024-02-25 a history of the tty It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator...
10 months ago
67
10 months ago
It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator servers to embedded controllers in appliances, there must be uncountable devices that think they are connected to a TTY. I will omit the many interesting details of the Linux terminal...
lcamtuf’s thing
Analog filters, part 2: let it ring A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
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
2
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
Why I Do Use ZFS as a File System for My NAS On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
2
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS. You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
Home on Erik...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
2
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
Posts on Made of...
todo.pl ratmenu broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t...
over a year ago
2
over a year ago
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t use a mac, but I don’t see why linux users shouldn’t get fun toys to. So I hacked up the following two-liner that uses todo.pl and ratmenu to pop up a list of tasks, and mark one...
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
Good Enough
How We Made A Good Enough Zine We made a zine! The first issue was released in August, and I finished the second issue just last...
a year ago
2
a year ago
We made a zine! The first issue was released in August, and I finished the second issue just last week. Right now, a hundred copies are on their way from the printer to me (update: they've just arrived!). Today I'd like to share the story of how this zine came about. (Sorry for...
Birchtree
Somehow, more YouTube gems Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them...
2 days ago
8
2 days ago
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them 😊 I love Answer in Progress, especially Sabrina’s videos, and she gets about as obsessed with anything she’s ever looked at in this episode (and
Computer Ads from...
Apple IIe and IIc Design Manager Peter Quinn Interviewed by BYTE's Gregg Williams A behind-the-scenes look at the development of the Apple IIe and IIc.
9 months ago
Buck on Software
The Software Slog As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and...
over a year ago
2
over a year ago
Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler to support defining functions and variables. Additionally, we'll require the...
Home on Erik...
What is the right level of specialization? For data teams and anyone else. This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this...
over a year ago
2
over a year ago
This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this specialization of data teams into 99 different roles (data scientist, data engineer, analytics engineer, ML engineer etc) is generally a bad thing driven by the fact that tools are...
./techtipsy
So you want to migrate to Kubernetes: observations from a software developer Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1 Common...
2 months ago
40
2 months ago
Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1 Common justifications include better scalability, cost savings, standardization and being super modern and stuff. It’s the future! In my personal experience, Kubernetes is far from the...
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
over a year ago
2
over a year ago
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
44
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
Avestura's Blog
Hiding a photo inside another photo How to hide a small photo inside a larger photo?
over a year ago
Home on Erik...
coin2dice Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago...
over a year ago
3
over a year ago
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago since I don't believe in puzzles, but I think it's kind of fun. Let's say you have a function that simulates a random coin flip.
Posts on Made of...
Regular Expression Search with Suffix Arrays Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had...
over a year ago
3
over a year ago
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had worked, using a trigram index. By that point, I’d already implemented early versions of my own livegrep source-code search engine, using a different indexing approach that I...
Lighthouse Blog
How to manage tags
6 months ago
Odds and Ends of...
I'm pro-assisted dying in principle, but I'm not sure about the proposed law Is no law better than a bad law?
a month ago
Vitalik Buterin's...
What even is an institution?
a year ago
./techtipsy
Dell Latitude 5411: the Linux compatibility sweet spot Oh boy, here I go testing a new laptop again! Well, it was new back in 2020. You might remember my...
a year ago
62
a year ago
Oh boy, here I go testing a new laptop again! Well, it was new back in 2020. You might remember my article on why I went back to a ThinkPad T430 in 2022. Or that other time when I got a new HP laptop for testing and got so frustrated that I wrote about it. Well, today I’m writing...
Good Enough
Bad Ideas Are Fun Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that...
a year ago
3
a year ago
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that coming up with ideas is actually very easy––what makes it hard is that we’re aiming for good ideas. The next time you're coming up with ideas, tell yourself, Forget about good...
Louwrentius
Why I still won't switch to Linux and keep my Mac The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to...
over a year ago
2
over a year ago
The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to admit that the Linux desktop is really becoming a nice, user-friendly environment. I'm truly starting to like what I see. I considered whiping Mac OS X from my macbook, but there...
Engineers Need Art
VPX Scripting - Part 1 (Teacher's Pet) The first in a series of posts about scripting Visual Pinball tables.
8 months ago
Louwrentius
'Gzip with parallel compression support: pigz' The speed at which files are compressed with gzip is currently almost always determined by the speed...
over a year ago
2
over a year ago
The speed at which files are compressed with gzip is currently almost always determined by the speed of the CPU. However, standard unix gzip is single- threaded and only uses a single CPU (core). However, the maintainer of the zlib library has released 'pigz' or 'pig-zee' whichs...
Posts on Made of...
amd64 and va_arg A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t...
over a year ago
2
over a year ago
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t support the va_arg intrinsic, used by functions to accept multiple arguments, at all on amd64. It turns out that clang and llvm-gcc, the compilers that backend to LLVM, have their own...
Arduino Blog
This machine automatically creates chain art Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
40
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
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
3
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.
Applied Cartography
Notes on Zed I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
9 months ago
3
9 months ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
Louwrentius
Achieving 220 MB/s network file transfers using Linux Bonding I wrote an article about the subject of getting beyond the limits of gigabit network file transfers....
over a year ago
2
over a year ago
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers. My solution is to use multiple gigabit network cards and use Linux interface bonding to create virtual 2 gigabit network interfaces. The solution is to use mode 0 or round robin...
Home on Erik...
More Luigi! Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one...
over a year ago
3
over a year ago
Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one I put together a few weeks ago. In case anyone is interested I'll include it too:
Arduino Blog
Arduino Nicla Sense Env: adding advanced environmental sensing to a broad range of applications We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of...
2 months ago
17
2 months ago
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of system-on-modules and sensor nodes, empowering innovators with the tools to unlock new possibilities. This tiny yet powerful sensor node is designed to elevate your environmental...
Notes on software...
A minimal distributed key-value database with Hashicorp's Raft library When I wrote the "build a distributed PostgreSQL proof of concept" post I first had to figure...
over a year ago
3
over a year ago
When I wrote the "build a distributed PostgreSQL proof of concept" post I first had to figure out how to use Hashicorp's Raft implementation. There weren't any examples I could find in the Hashicorp repo itself. And the only example I could find was Philip O'Toole's hraftd. It's...
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
Old Vintage...
Programming the Convergent WorkSlate's spreadsheet microcassette future In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking...
3 months ago
46
3 months ago
In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking to each other via speakerphone, and probably listening to Devo and New Order a lot. (Though that part isn't too different from my actual present.) a computer whose manufacturer...
Buck on Software
Thoughts on SaaS and other things Welcome to Buck on Software!
over a year ago
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
26
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
Simply Explained
Retrospective: My Fifth Year on YouTube For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
2
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Notes on software...
Confusion and disengagement in meetings The quickest way to cut through confusion or disagreement among otherwise amiable and honest folks...
over a year ago
3
over a year ago
The quickest way to cut through confusion or disagreement among otherwise amiable and honest folks is to ask questions. Ask early so you don't waste time. But it's not enough to just ask clarifying questions because the answers won't always be clear. Sounds like Human Interaction...
Posts on Made of...
Systems that defy detailed understanding Last week, I wrote about the mindset that computer systems can be understood, and behaviors can be...
over a year ago
2
over a year ago
Last week, I wrote about the mindset that computer systems can be understood, and behaviors can be explained, if we’re willing to dig deep enough into the stack of abstractions our software is built atop. Some of the ensuing discussion on Twitter and elsewhere lead me to write...
Old Vintage...
Niklaus Wirth dies Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which...
11 months ago
63
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...
Jonas Hietala
Default audio card in linux There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
2
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me. I had three separate problems: Getting sound Playing sound from multiple sources at the same time Audio card getting different numbers on reboot Getting sound Here I...
Louwrentius
An affordable server platform based on server-grade hardware Updated post (June 2014) found HERE There are some reasons why you should consider buying true...
over a year ago
1
over a year ago
Updated post (June 2014) found HERE There are some reasons why you should consider buying true server-grade harware when building a server, wether it's for home or business use. This is why I want to introduce you to the Supermicro X9SCM-F motherboard. This motherboard costs...
Willem's Blog
Search like a pro: Google search operators Read along for a comprehensive list of advanced Google search operators that allow you to filter...
over a year ago
2
over a year ago
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
./techtipsy
HoloISO: the unofficial Steam Deck experience on your PC If you have spent any time in gaming hardware circles, then you’ve probably heard about the Steam...
over a year ago
32
over a year ago
If you have spent any time in gaming hardware circles, then you’ve probably heard about the Steam Deck, the Linux-based handheld gaming PC built by Valve. Yes, you heard that right: not Windows, but Linux. I’ve had my fair share of attempts at gaming on Linux. When it works,...
Posts on Made of...
Record/Replay testing in Sorbet In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the...
over a year ago
3
over a year ago
In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the Sorbet project at Stripe to build a gradual static typechecking system for Ruby, with the aim of enhancing productivity on Stripe’s millions of lines of Ruby, and eventually producing a...
Home on Erik...
Slides from NYC Machine Learning talk Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of...
over a year ago
3
over a year ago
Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of context (b) Slideshare seem to have problem converting some of the stuff. Collaborative filtering at Spotify from Erik Bernhardsson
GitButler
Stacked Branches with GitButler GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
2 weeks ago
Neil Madden
Parse, don’t type-check There’s a fantastic article from last year titled Parse, don’t validate. I’d highly recommend it to...
over a year ago
1
over a year ago
There’s a fantastic article from last year titled Parse, don’t validate. I’d highly recommend it to any programmer (along with the more recent follow up Names are not type safety). The basic idea is that there are two ways to check that some input to a function is valid: A...
Home on Erik...
New approximate nearest neighbor benchmarks As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
2
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
Computer Ads from...
OS-9 Bonus Content A detailed look at OS-9 for Tandy Color Computers
3 months ago
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
3
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
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
2
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...
Notes on software...
My favorite software subreddits Originally published on December 5, 2021. If you are an experienced software developer whose only...
a year ago
2
a year ago
Originally published on December 5, 2021. If you are an experienced software developer whose only exposure to reddit is dank memes, proggit or even language-specific subreddits like /r/python, you're missing out. What follows are my favorite subreddits in tech. My criteria is...
watchTowr Labs -...
Pots and Pans, AKA an SSLVPN - Palo Alto PAN-OS CVE-2024-0012 and CVE-2024-9474 It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been...
a month ago
4
a month ago
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been tough for SSLVPN appliances. Anyhow, there are new vulnerabilities (well, two of them) that are being exploited in the Palo Alto Networks firewall and SSLVPN offering, and as ever,...
Notes on software...
A paper reading club at work; databases and distributed systems research I started a paper reading club this week at work, focused on databases and distributed systems...
8 months ago
2
8 months ago
I started a paper reading club this week at work, focused on databases and distributed systems research. I posted in a general channel about the premise and asked if anyone was interested. I clarified the intended topic and that discussions would be asynchronous over email, run...
Simply Explained
Why I don't take sponsorships Last year I made that video in response to a sponsorship offer that I got from various VPN...
over a year ago
2
over a year ago
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
./techtipsy
The best laptop is the one somebody else had In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I...
a month ago
38
a month ago
In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I ended up picking an ASUS Eee PC 1201PN. It was new and the first computer in my life that was 100% mine, but awfully slow for a lot of tasks. It was so slow that I ended up giving...
Willem's Blog
Why Apple Silicon is a big deal Never have I been so blown away as by the new MacBook Air with M1 processor. It is a big deal.
over a year ago
Notes on software...
Interpreting Go After spending some time at work on tooling for keeping documentation in sync with Go struct...
over a year ago
3
over a year ago
After spending some time at work on tooling for keeping documentation in sync with Go struct definitions I had enough exposure to Go's built-in parsing package that next steps were clear: write an interpreter. It's a great way to get more comfortable with a language's AST. In...
Home on Erik...
The half-life of code & the ship of Theseus As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
2
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Simply Explained
Home Energy Monitor: V2 My DIY home energy monitor has been running for almost a year now. It's been recording my...
over a year ago
3
over a year ago
My DIY home energy monitor has been running for almost a year now. It's been recording my electricity consumption every second and everything is neatly archived in my AWS account.Still, though, there is room for improvement. It's time to look back, evaluate & improve the design....
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
11 months ago
2
11 months ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Yazin Alirhayim
Getting started with Flutter It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but...
over a year ago
2
over a year ago
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but those days are long gone. Even the fundamental reasons for doing so have changed — some sort of compromise between performance and speed to deployment. React Native apps were...
Notes on software...
A write-ahead log is not a universal part of durability A database does not need a write-ahead log (WAL) to achieve durability. A database can write its...
5 months ago
3
5 months ago
A database does not need a write-ahead log (WAL) to achieve durability. A database can write its long-term data structure durably to disk before returning to a client. Granted, this is a bad idea! And granted, a WAL is critical for durability by design in most databases. But I...
Nabeel S. Qureshi
Films + Books, Q1 2023 What I watched and read
a year ago
Home on Erik...
Installing TensorFlow on AWS Curious about Google's newly released TensorFlow? I don't have a beefy GPU machine, so I spent some...
over a year ago
3
over a year ago
Curious about Google's newly released TensorFlow? I don't have a beefy GPU machine, so I spent some time getting it to run on EC2. The steps on how to reproduce it are pretty brutal and I wouldn't recommend going through it unless you want to waste five hours of your live.
Jonas Hietala
Why I still blog after 15 years Time flies when you’re having fun. Before you know it, your little babies have started school, you...
2 months ago
3
2 months ago
Time flies when you’re having fun. Before you know it, your little babies have started school, you celebrate the 30th anniversary of Jurassic Park, and that little blog you started have now been going for 15 years. 15 years is a long time; longer than I’ve been waiting for Winds...
Arduino Blog
This device prevents garage door security breaches Your automatic garage door is almost certainly the most vulnerable access point in your house....
2 months ago
34
2 months ago
Your automatic garage door is almost certainly the most vulnerable access point in your house. Traditional systems are notorious for their susceptibility to replay attacks, but even more sophisticated modern garage door openers and those that lack remote functionality entirely...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s? I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet...
over a year ago
35
over a year ago
I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit. This is a fantastic little desktop PC kit that is very small, quiet and can still be configured to have ridiculous amounts of...
Home on Erik...
Waiting time, load factor, and queueing theory: why you need to cut your systems a bit of slack I've been reading up on operations research lately, including queueing theory. It started out as a...
over a year ago
3
over a year ago
I've been reading up on operations research lately, including queueing theory. It started out as a way to understand the very complex mortgage process (I work at a mortgage startup) but it's turned into my little hammer and now I see nails everywhere.
Vitalik Buterin's...
Why we need wide adoption of social recovery wallets
over a year ago
Neil Madden
Why the OAuth mTLS spec is more interesting than you might think I was catching up on the always excellent Security. Cryptography. Whatever. podcast, and enjoyed the...
over a year ago
3
over a year ago
I was catching up on the always excellent Security. Cryptography. Whatever. podcast, and enjoyed the episode with Colm MacCárthaigh about a bunch of topics around TLS. It’s a great episode that touches a lot of subjects I’m interested in, so go ahead and listen to it if you...
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
3 months ago
Computer Ads from...
Vote for the April 2004 Plus Post Topic If you are a paid subscriber, voting is open for one week
8 months ago
Azad's Blog
Simulating + Streaming a 4k, 90hz, ultrawide, HDR PC monitor to Apple Vision Pro VR headsets can be pretty awesome at simulating monitors of any size and shape. Most VR headsets are...
3 months ago
3
3 months ago
VR headsets can be pretty awesome at simulating monitors of any size and shape. Most VR headsets are also capable of outputting at a high refresh rate (60hz, 90hz, 120hz, or even 144hz). Some headsets (like Apple Vision Pro) can also output in HDR! The beauty of it all is that in...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
Posts on Made of...
Disable Transparent Hugepages tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
2
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications...
Arduino Blog
Explore two ways to white label with Arduino Cloud We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan...
7 months ago
55
7 months ago
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan users to white label their workspace and enhance the overall user experience. This announcement is exciting because it empowers businesses to create a truly tailored environment...
Willem's Blog
Abandoning my own tablet OS After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro...
over a year ago
3
over a year ago
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
Louwrentius
WFS - WAN Failover Script now available Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you...
over a year ago
2
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you have any use for it: I put it on a Google code project. WFS tests the availability of your primary WAN connection and switches to your secondary / backup connection when a failure is...
Home on Erik...
Microsoft's new marketing strategy: give up I think it's funny how MS at some point realized they are not the cool kids and there's no reason to...
over a year ago
3
over a year ago
I think it's funny how MS at some point realized they are not the cool kids and there's no reason to appeal to that target audience. Their new marketing strategy finally admits what's been long known: the correlation between “business casual” and using Microsoft products:
Good Enough
Season 3, Issue 3: Cosmic Maelstrom 1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say...
a year ago
2
a year ago
1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say it's in the cloud, but even clouds are now looked down upon as dirtyish things that should not be enjoyed. And not because of air pollution per se, though perhaps because of...
Home on Erik...
My issue with GPU-accelerated deep learning I've been spending several hundred bucks renting GPU instances on AWS over the last year. The...
over a year ago
3
over a year ago
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The speedup from a GPU is awesome and hard to deny. GPUs have taken over the field. Maybe following the footsteps of Bitcoin mining there's some research on using FPGA (I know very little...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 4: The Verge
2 months ago
Good Enough
TIL: Easily Support Gravatars in Rails We’re building some software where we’d like to display avatars for email contacts even if they...
10 months ago
2
10 months ago
We’re building some software where we’d like to display avatars for email contacts even if they aren’t users of our software. While Gravatar is a relic of Web 2.0, we’ve found that there are still a significant number of people who have their email addresses in that...
computers are bad
2023-02-17 something up there pt II As we discussed previously, the search for UAP is often contextualized in terms of the events of...
a year ago
51
a year ago
As we discussed previously, the search for UAP is often contextualized in terms of the events of 2017: the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow and Tom DeLonge. While widely publicized, these programs seem to have lead to very little. I...
Simply Explained
Shelly 2.5: Flash ESPHome Over The Air! It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're...
over a year ago
3
over a year ago
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're well built, tiny and rock solid, and best of all: compatible with ESPHome.I flashed ESPHome onto all my Shelly 1's, but for some reason, I have issues with my Shelly 2.5 devices......
Computer Ads from...
MacWorld Interviews Apple CEO John Sculley (1987) They discuss the future of Apple, personal computing, and the Mac II
a month ago
Ian's Blog
Having a Website Used to Be Fun According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
a month ago
4
a month ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Notes on software...
Exploring a Postgres query plan I learned this week that you can intercept and redirect Postgres query execution. You can hook into...
a year ago
3
a year ago
I learned this week that you can intercept and redirect Postgres query execution. You can hook into the execution layer so you're given a query plan and you get to decide what to do with it. What rows to return, if any, and where they come from. That's very interesting. So I...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
Applied Cartography
Why can't you just...? Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long,...
7 months ago
2
7 months ago
Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long, detailed explanation of why shipping this sort of thing is hard: Designing a consent experience for the enterprise admin and enterprise end user Creating a special "read only" object...
Arduino Blog
Can this tiny lawn mower robot cut it in the real world? We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
42
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
a month ago
27
a month ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Home on Erik...
Fermat's principle I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
2
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
Vitalik Buterin's...
What else could memecoins be?
8 months ago
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
6
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...
Style over Substance
How to use a Phase One H20 digital back on a medium format Hasselblad V camera (500EL/M) My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my...
over a year ago
67
over a year ago
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my Hasselblad 500EL/M medium format camera. Or, simply put, I bought an expensive old gadget for my even older analog camera, making it a digital camera. A gadget that was released in the...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
2
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Old Vintage...
Virtualizing the 6502 on a 6502 with 6o6 (and The Incredible KIMplement goes 1.0) Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've...
7 months ago
82
7 months ago
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've intermittently worked on for literally two decades. Now that I've finally shaken out more bugs, tuned it up and cleaned it off, it's time to let people play with the source...
Willem's Blog
Wearing Grand Seiko I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship,...
over a year ago
3
over a year ago
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship, innovation and practicality.
Gwern.net Newsletter
August 2020 gwern.net newsletter with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no...
over a year ago
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
a month ago
30
a month ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
lcamtuf’s thing
RAM: the forgotten history We owe computers not to Charles Babbage, but to the invention of electronically-controlled working...
2 months ago
3
2 months ago
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
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
2
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.
computers are bad
2023-06-07 something up there - nasa and uaps A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
60
a year ago
A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I am not addressing the recent claims by David Grusch. This is for a couple of reasons. First, I am skeptical of Grusch. He is not the first seemingly well-positioned former...
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
2
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
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
2
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...
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
11 months ago
72
11 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
32
over a year ago
Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a dual-core Intel Pentium G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like that, a budget gaming PC was born. My...
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
3
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control (This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
2
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here) For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
Willem's Blog
Moving to the countryside Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
over a year ago
2
over a year ago
Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
Old Vintage...
The spawn of AtariLab and the Universal Lab Interface We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't...
a year ago
66
a year ago
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't mean I was unaware of Atari 8-bits. There was a family at church who had an 800XL and later a 130XE — and a stack of COMPUTE!'s I used to read through for hours — and it was...
Louwrentius
Understanding Ceph: open-source scalable storage Introduction In this blog post I will try to explain why I believe Ceph is such an interesting...
over a year ago
2
over a year ago
Introduction In this blog post I will try to explain why I believe Ceph is such an interesting storage solution. After you finished reading this blog post you should have a good high-level overview of Ceph. I've written this blog post purely because I'm a storage enthusiast and I...
Jonas Hietala
Let's build a VORON: Software The build continues, now in a little more familiar territory. Firmware flashing To flash the...
a year ago
2
a year ago
The build continues, now in a little more familiar territory. Firmware flashing To flash the firmware I had to order a microSD card reader. With that on hand the flashing wasn’t difficult. The VORON docs walks you through the installation very well. Mainsail I chose to install...
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
3
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
Jonas Hietala
Changes A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but...
over a year ago
2
over a year ago
A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but there are things I’d like to change after the exam period this week. Program more! nothing since christmas or someting. I need to finish: Ada project for school. Can’t believe I...
Lighthouse Blog
Updates February 02
10 months ago
Jonas Hietala
Beebop The Island Hopper It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who...
over a year ago
2
over a year ago
It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who don’t know it’s a 48 hour game making competition which actually is pretty silly. Even more silly is my two hours of commitment yesterday but late this night at about 03:05 I am now,...
Louwrentius
Understanding Windows KMS and MAK volume license activation Introduction If you have to administer a large number of PCs running Windows, you will end up...
over a year ago
3
over a year ago
Introduction If you have to administer a large number of PCs running Windows, you will end up creating an automated deployment platform for your Windows clients. You may implement something like Windows Deployment Services. I used WDS to create a fully automated installation of...
Applied Cartography
11ty .njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a...
10 months ago
3
10 months ago
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a good amount. Maybe that's a me thing! It is extremely fast. This site has around 2300 pages; Eleventy is compiling it in around two seconds. The extensibility ergonomics are...
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
2
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...
Jonas Hietala
My Minions So I think I made it! It became a pretty different game from what I set out to create, but I’m glad...
over a year ago
2
over a year ago
So I think I made it! It became a pretty different game from what I set out to create, but I’m glad with how it turned out. My Minions Instructions Build a pathway and then place objects or release minions on it, everything must be on a path. Place musical objects or make the...
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