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
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...
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
5 months ago
GitButler
GitButler 0.13 - "Lucky Baseball"
It has been 4 months since our last minor release. In that time, we have done 27 patch releases,...
2 months ago
It has been 4 months since our last minor release. In that time, we have done 27 patch releases, adding lots of small features, bug fixes, performance improvements and experiments.
Last week we released GitButler 0.13, which is our first release with our new Fearless Rebasing...
watchTowr Labs -...
Fortinet FortiGate CVE-2024-23113 - A Super Complex Vulnerability In A Super Secure Appliance In...
Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a...
2 months ago
Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a Format String vulnerability, unusually, in Fortinet's FortiGate devices.
It affected (before patching) all currently-maintained branches, and recently was highlighted by CISA as...
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos?
A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
A sentiment analysis on the last 20 videos of Kurzgesagt.
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
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...
Louwrentius
Linode hacked: thoughts about cloud security
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of...
over a year ago
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of existing users regarding the Linode management console.
Resetting passwords is not something you do when under a simple attack such as a DDOS attack. Such a measure is only taken...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
...
over a year ago
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. an x86 upgrade
In this post we'll extend the ulisp
compiler's LLVM backend to
support printing integers to...
./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
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...
Louwrentius
Benchmarking cheap SSDs for fun, no profit (be warned)
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now...
a year ago
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
Although cheap SSDs do perform fine regarding reads, sustained write...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one...
over a year ago
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one interesting thing. At least it was
interesting to me.
Background
I had one goal: to try to see if I could turn it into a semi-passive PC by only
turning the fan on when the PC was...
computers are bad
2024-09-08 private lines
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs)....
3 months ago
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs). These could be considered an early form of products like
"virtual private ethernet:" a private telephone network that was served by the
same switching machines that handled the...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise
Ambitious companies form management teams at every level above you,
sometimes including you....
over a year ago
Ambitious companies form management teams at every level above you,
sometimes including you. Management teams meet periodically and have
private chat rooms. They discuss customers, product and organizational
direction. Sometimes discussions are well documented and...
Applied Cartography
Applied Cartography × People & Blogs
There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that.
To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Willem's Blog
Snake '97 High Scores
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was...
over a year ago
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was totally WOW!
Jonas Hietala
Food vacation in Japan
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
over a year ago
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
Good Enough
Season 1, Issue 5: Promotes Regularity
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each...
over a year ago
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each have at least two children in our homes, begging for attention. And we each truly appreciate extended breaks as a means of reinvigorating ourselves to the ever important task of...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck!
The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we...
4 days ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
Notes on software...
Let's build a distributed Postgres proof of concept
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies...
over a year ago
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies that do a lot of work: a
PostgreSQL wire protocol
implementation, a storage
layer, a Raft implementation
for distributed consensus. And not
part of go.mod but still building on 3rd...
latest projects -...
Smallest USB-C MIDI Synth
[Hardware] The smallest and silliest MIDI synth yet
a year ago
[Hardware] The smallest and silliest MIDI synth yet
computers are bad
2024-11-23 cablesoft
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful...
4 weeks ago
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful teletext services in the UK and Europe. "Teletext" is
sometimes a confusing term because of its apparent relation to telecom-industry
technologies like the teletypewriter and...
Notes on software...
Delightful, production-grade replication for Postgres
This is an external post of mine. Click
here
if you are not redirected.
4 months ago
This is an external post of mine. Click
here
if you are not redirected.
Home on Erik...
The hacker's guide to uncertainty estimates
It started with a tweet:
New years resolution: every plot I make during 2018 will contain...
over a year ago
It started with a tweet:
New years resolution: every plot I make during 2018 will contain uncertainty estimates
— Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Louwrentius
Compiling Ceph on the Raspberry Pi 3B+ (armhf) using Clang/LLVM
UPDATE 2019 / 2020
There are official ARM64 binaries of Ceph that you can run on a 64-bit version of...
over a year ago
UPDATE 2019 / 2020
There are official ARM64 binaries of Ceph that you can run on a 64-bit version of Ubuntu 18.04.
Important: I consider this page obsolete. I will keep it up for transparency's sake
Introduction
In this blog post I'll show you how to compile Ceph Luminous for...
Birchtree
All the games I played in 2024, reviewed
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies...
5 days ago
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies of the year post with something similar for games. I’m not going to rank these, but I’ll give a few words on each one
Ian's Blog
GitHub Notification Emails Hijacked to Send Malware
As an open source developer I frequently get emails from GitHub, most of these emails are...
3 months ago
As an open source developer I frequently get emails from GitHub, most of these emails are notifications sent on behalf of GitHub users to let me know that somebody has interacted with something and requires my attention. Perhaps somebody has created a new issue on one of my...
Posts on Made of...
Security doesn't respect abstraction boundaries
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine.
I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Louwrentius
Personal Security: erase your computer or phone before repair
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have...
over a year ago
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have to find some other person with greater computer knowledge to repair their computer or phone. That person will then be able to access all data stored on their computer or phone.
By...
Ken Shirriff's blog
Inside the tiny chip that powers Montreal subway tickets
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it...
6 months ago
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens.
The ticket works through a system called NFC, but what's happening internally?
How does the ticket work without a battery? How does it communicate with the turnstile?
And how can it...
Home on Erik...
Dollar cost averaging
(I accidentally published an unfinished draft of this post a few days ago – sorry about...
over a year ago
(I accidentally published an unfinished draft of this post a few days ago – sorry about that).
There's a lot of sources preaching the benefits of dollar cost averaging, or the practice of investing a fixed amount of money regularly.
Matt Blewitt
So, You Want To Build A DBaaS
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
Willem's Blog
Inspiration from a child
Explore the world together with your kids and reap the rewards of adventure and fun!
over a year ago
Explore the world together with your kids and reap the rewards of adventure and fun!
computers are bad
2024-10-19 land art and isolation
Prescript: I originally started writing this with the intent to send it out to
my supporter's...
2 months ago
Prescript: I originally started writing this with the intent to send it out to
my supporter's newsletter, EYES ONLY, but it
got to be long and took basically all day so I feel like it deserves wider
circulation. You will have to tolerate that it begins in the more
conversational...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
...
over a year ago
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
This post upgrades the ulisp x86 backend from using a limited set of
registers (with no spilling...
Notes on software...
Static analysis with semgrep: practical examples using Docker
In this post we'll get a basic semgrep environment set up in Docker
running some custom rules...
over a year ago
In this post we'll get a basic semgrep environment set up in Docker
running some custom rules against our code.
Existing linters
Linters like pylint for Python or
eslint for JavaScript are great for general,
broad language standards. But what about common nits in code review
like...
Applied Cartography
Klarna: nineteen years, twenty billion kroner
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
3 weeks ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Vitalik Buterin's...
How will Ethereum's multi-client philosophy interact with ZK-EVMs?
a year ago
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
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
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Arduino Blog
Explore two ways to white label with Arduino Cloud
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan...
7 months ago
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan users to white label their workspace and enhance the overall user experience. This announcement is exciting because it empowers businesses to create a truly tailored environment...
Jonas Hietala
Ludum Dare 20 Timelapse
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I...
over a year ago
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I lost the first few hours as I forgot to turn it on…
Anyway here’s the result:
https://www.youtube.com/watch?v=ABVPlRaA5iI
Jonas Hietala
Breaking the rule of three
It’s pretty darn stressful making a game in a week, especially when you have this big great vision...
over a year ago
It’s pretty darn stressful making a game in a week, especially when you have this big great vision on how your game should be (which is always grand). For me making Balls, Black and White and Jonas IceCream Stand where truly stressful, MenuCity and Bugger not so much but...
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more
The traditional backyard chicken coop is a very simple structure that typically consists of a...
4 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
Home on Erik...
The number of letters in the word for each number
Just for fun, I generated these graphs of the number of letters in the word for each number. I...
over a year ago
Just for fun, I generated these graphs of the number of letters in the word for each number. I really spent about 10 minutes on this (ok…possibly also another 40 minutes tweaking the plots):
More languages!
Old Vintage...
Teaching Apple Cyberdog 1.0 new tricks (featuring OpenDoc)
this cyberdog (image credit).
that cyberdog, though this is one of my favourite weirdo pinball...
a year ago
this cyberdog (image credit).
that cyberdog, though this is one of my favourite weirdo pinball machines.
that cyberdog.
our PowerBook Duo 2300 rehabilitated, guess what we're gonna look at?
Internet document?
Thus was the nucleus of Cyberdog (named for the famous New...
Jonas Hietala
Vacation
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and...
over a year ago
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and not doing anything. Well, I did get my ass kicked in Terra Mystica and I played a bit of Minecraft, but still. We got some nice food and my in-laws and my parents were nice.
I’m...
Jonas Hietala
MenuCity: Level 0 Walkthrough
It hasn’t even been a week since I released my latest game MenyCity and already so much positive...
over a year ago
It hasn’t even been a week since I released my latest game MenyCity and already so much positive feedback! I’m so thrilled :) However, all isn’t blue skies and nice sunshine. A lot of times the first question is: How do you play it? or How do you get past the first level? I admit...
Posts on Made of...
Write yourself an strace in 70 lines of code
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Willem's Blog
Dig for dummies
Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
Louwrentius
IKEA $50 VINDSTYRKA vs. $290 Dylos air quality monitor
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with...
a year ago
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with a $290 air quality monitor made by Dylos to see if it's any good.
Context
If you care about indoor air quality, you may already own a CO2 to determine if it's time to ventilate...
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
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...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
a month ago
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it effectively.
./techtipsy
Steam Deck: I like it
I got a Steam Deck.
Only took me a year or so of contemplating getting
one, and trying out HoloISO,...
6 months ago
I got a Steam Deck.
Only took me a year or so of contemplating getting
one, and trying out HoloISO, the unofficial SteamOS installer
finally convinced me to get one.1
It took another year to actually get down to writing down my thoughts on it.
This post is written from the...
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 months ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Construction Physics
Energy Cheat Sheet
Building an intuition about energy
2 days ago
Building an intuition about energy
Posts on Made of...
Tracking down a memory leak in Ruby's EventMachine
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services....
over a year ago
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services. Over the last several months, we’ve known that one such service suffered from a gradual memory leak, that would cause its memory usage to gradually balloon from a normal ~50MB to...
Notes on software...
Windows
It has been six years since I last used Windows for any remotely
serious software development. I've...
over a year ago
It has been six years since I last used Windows for any remotely
serious software development. I've used Ubuntu, Arch, or FreeBSD
since. But eventually I spent so much time working around common
workplace tasks that I decided to put Windows 10 Pro on my work
laptop.
Windows...
Jonas Hietala
Favourite Programming Language
All the programmers love to promote their favourite language, or to hate on others. Now I read a...
over a year ago
All the programmers love to promote their favourite language, or to hate on others. Now I read a post which claimes my favourite language is not good enough! But he’s correct of course, there is no one language to rule them all. You should always choose the mest language for the...
computers are bad
2024-02-25 a history of the tty
It's one of those anachronisms that is deeply embedded in modern technology.
From cloud operator...
10 months ago
It's one of those anachronisms that is deeply embedded in modern technology.
From cloud operator servers to embedded controllers in appliances, there
must be uncountable devices that think they are connected to a TTY.
I will omit the many interesting details of the Linux terminal...
Posts on Made of...
Lightweight Linux Kernel Development with KVM
I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and...
over a year ago
I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and picked up a number of useful techniques for doing kernel development in a relatively painless fashion. This blog post is a writeup of the tools and techniques I use when developing...
Jonas Hietala
Let's build a VORON: Filters
I can print, but the printer is missing a very important thing that I alluded to in the previous...
a year ago
I can print, but the printer is missing a very important thing that I alluded to in the previous post: filtering dangerous particles and fumes.
This is mostly covered by the kit, but I was missing some parts from the print it forward and the kit didn’t include a HEPA...
Vitalik Buterin's...
El recurso escaso más importante es la legitimidad
over a year ago
Abort Retry Fail
The History of OS/2
Getting a Divorce
a year ago
Abort Retry Fail
The History of Slackware
The Oldest Surviving Linux Distribution
a year ago
The Oldest Surviving Linux Distribution
Willem's Blog
Batavus Champion bike from 1978
Restore the retro glory of an old bike from the 70s using the internet.
over a year ago
Restore the retro glory of an old bike from the 70s using the internet.
Vitalik Buterin's...
Why sharding is great: demystifying the technical properties
over a year ago
Computer Ads from...
Lintek Computer Accessories' Paper Tamer
Restore Order (to your printer)
8 months ago
Restore Order (to your printer)
latest projects -...
Portable Probability Panel
[Misc] Laser-cut Galton board
5 months ago
[Misc] Laser-cut Galton board
Arduino Blog
It’s silver, it’s green, it’s the Batteryrunner! An Arduino-powered, fully custom electric car
Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully...
3 weeks ago
Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully electric, Arduino-powered car that’s as innovative as it is sustainable. Called the Batteryrunner, this vehicle is designed with a focus on environmental impact, simplicity, and custom...
Notes on software...
Generating a full-stack application from a database
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated...
over a year ago
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated REST API (in Go).
The UI has full support for login, viewing (and filtering), editing,
and creating database entities.
PostgreSQL, SQLite and MySQL are supported.
How to use?
The...
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
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...
Opsbros
Volumer
I've always wanted a good USB volume control, so I decided to design one.
over a year ago
I've always wanted a good USB volume control, so I decided to design one.
Louwrentius
Which file system for a large storage array under Linux?
There are many file systems available under Linux, however only a few of them
can be used for a...
over a year ago
There are many file systems available under Linux, however only a few of them
can be used for a large storage array.
I am assuming that you want to create a single file system. I don't care if
you use LVM or other layers beneath, this is about which file system to use.
I will...
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
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
Old Vintage...
When the Power Macintosh ran NetWare (featuring Wormhole and Cyberpunk)
This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple...
12 months ago
This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple developer who was part of the NetWare team. Thank you!
the network operating system of the 1990s. Nothing was quite like it. Until Windows NT muscled in on its action near the end of the...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
Jonas Hietala
2010 in review
I saw a post on briancarper where he reviews the past year and it sounds like a great idea...
over a year ago
I saw a post on briancarper where he reviews the past year and it sounds like a great idea actually.
2010 Geek Achievements
Wrote a few games earlier this year;
The Chronicles of Bim: The 100 Fake Afros
A Geek Valentine
Beebop The Island Hopper
Where’s Teddy?
Updated this site a...
csvbase blog
You can't just assume UTF-8
How to infer character encodings with statistics
7 months ago
How to infer character encodings with statistics
Willem's Blog
Cyber security: 5 easy tips to protect your server against hackers
These 5 practical cyber security measures will improve the safety of server, website and data.
over a year ago
These 5 practical cyber security measures will improve the safety of server, website and data.
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
6 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I...
over a year ago
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I walked through the basics of PL/pgSQL, the embedded procedural
language inside of PostgreSQL. It covered simple functions, recursions
and parsing. But there was something very...
Jonas Hietala
Design for Hackers
I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific...
over a year ago
I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific thing. It happened again yesterday (or was it the day before I don’t know) when I saw this post on hackernews.
It’s a book this time, again, but this is something a little different -...
Birchtree
AI, self-driving, and evolving your opinions on new tech over time
Casey Newton on Platformer: The Phony Comforts of AI Skepticism
The most persuasive way you can...
2 weeks ago
Casey Newton on Platformer: The Phony Comforts of AI Skepticism
The most persuasive way you can demonstrate the reality of AI, though, is to describe how it is already being used today. Not in speculative sci-fi scenarios, but in everyday offices and laboratories and schoolrooms....
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
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...
Arduino Blog
Giving a teenage pet turtle a synthetic pizza-ordering voice
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of...
3 months ago
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of some degree of training. Training is really just taking advantage of an animal’s natural inclination to adapt for survival, which is something all living organisms do. With that in...
Home on Erik...
New approximate nearest neighbor benchmarks
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
Louwrentius
Parallel / distributed password cracking with John the Ripper and MPI
This article has been updated to reflect the changes for John version 1.7.8 as released in june...
over a year ago
This article has been updated to reflect the changes for John version 1.7.8 as released in june 2011.
The most important change is the fact that MPI support is now integrated in the jumbo patch.
The original John the Ripper off-line password cracker only uses a single processor...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
7 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO). Known for...
Old Vintage...
Commodore does the iPad "crush" concept right ... in 1985
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little...
6 months ago
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little weird. They should have simply done what Commodore did for the C128 — ironically, competing with the Apple IIc. Notice the emphasis on audio and sound, plus the Commodore 64 perched...
Jonas Hietala
Reinstalling Slackware
So I reinstalled slackware on my machine and decided to take some rough notes of the most important...
over a year ago
So I reinstalled slackware on my machine and decided to take some rough notes of the most important steps I made. I did not document the steps in detail, and some are very specific for my setup. But maybe it can be useful for someone, or myself.
Basic steps
Make slackware usb...
./techtipsy
The little Wi-Fi AP that could
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short...
over a year ago
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short overview of one of them.
The Orange Pi Zero is a SBC (single board computer) that has a slow 32-bit ARM 4 core CPU, 512MB of RAM and no display output.
It’s actually quite OK for many...
csvbase blog
There are 665 open licences, most are pretty rubbish
you are in a maze of twisty licences, all alike
3 months ago
you are in a maze of twisty licences, all alike
Posts on Made of...
Advent of Code in C++ Template Metaprogramming
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of...
a year ago
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of Code I could do purely in compile-time C++ metaprogramming.
As of this writing, I’ve done two days, and I’m not sure I’ll make it any further. However, that’s one more day than I...
Jonas Hietala
Long Term Goals (part 2)
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have:
Write my own Programming Language
Why? Because it sounds fun and epic as hell.
Write a Book
So I like books and I like to collect them and I have my whole bookcase...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
Notes on software...
1 million page views
I was delighted to notice this morning that this site has recently
passed 1M page views. And since...
3 weeks ago
I was delighted to notice this morning that this site has recently
passed 1M page views. And since Murat
wrote
about his 1M page view accomplishment at the time, I felt compelled to
now too.
I started regularly blogging in 2018. For some reason I decided to
write a blog post...
Neil Madden
I still don’t really get “hash shucking”
If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
./techtipsy
How to fix ZFS pool not importing at boot
Issue description
You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
Issue description
You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but
after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using
zpool import poolname or zpool import -a.
In...
./techtipsy
The hidden media play/pause/stop keys on the Lenovo ThinkPad L390 Yoga
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This...
7 months ago
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This included the media playback control keys.
On the ThinkPad T430, the new chiclet keyboard layout moved the media keys to
the function row. Still there, but less convenient to access.
The...
Willem's Blog
How to use rsync to make backups
In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
Applied Cartography
PSA: mess around with Kolo
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
9 months ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code.
If you have a Django app, I think you should drop...
Louwrentius
Storage and I/O: reads vs. writes
There is a fundamental difference between a read operation and a write operation. Storage can lie...
over a year ago
There is a fundamental difference between a read operation and a write operation. Storage can lie about completing a write operation, but it can never lie about completing a read operation. Therefore read and writes have different characteristics. This is what I've learned.
About...
Notes on software...
HTML event handler attributes: down the rabbit hole
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
./techtipsy
Shrinkflation, SanDisk style
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that...
a year ago
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that you
notice after formatting the device in an OS. Please read the article in full before
making inaccurate comments online.
For many years, I have used two SanDisk Ultra 16 GB USB flash...
seangoedecke.com RSS...
Porting and hacking Llama2.c for fun and profit
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
./techtipsy
I finally found an use case for my Raspberry Pi Model B+
You have probably heard about the Raspberry Pi. It’s a nice little affordable
single-board computer...
over a year ago
You have probably heard about the Raspberry Pi. It’s a nice little affordable
single-board computer with a huge community using it for all sorts of projects.
I got my first Raspberry Pi, the Model B+,
during my first year at university, which was around the winter of...
Simply Explained
Preventing Cumulative Layout Shifts with lazy loaded images (Eleventy + markdown-it)
There's nothing more annoying than a website shifting down just as you're about to click on a button...
over a year ago
There's nothing more annoying than a website shifting down just as you're about to click on a button or link. This is called a layout shift, and Google has declared war on them. They've added layout shifts to the Core Web Vitals, and if your website has a lot of them, it will get...
Old Vintage...
With PowerPC, Windows CE and the WiiN-PAD slate, everyone's a WiiN-er (except Data General)
Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the...
7 months ago
Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the pandemic emergency, but speaking as someone with a day job in public health for almost two decades, it's always been a buzzword in certain corners of IT with enough money sloshing around...
watchTowr Labs -...
No Way, PHP Strikes Again! (CVE-2024-4577)
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by...
6 months ago
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by default”, and we were curious to say the least. XAMPP is a very popular way for administrators and developers to rapidly deploy Apache, PHP, and a bunch of other tools, and
Arduino Blog
Giving Billy Bass the arti-fish-al intelligence he always deserved
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of...
3 months ago
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of the century, you would have undoubtedly come across a Big Mouth Billy Bass. That’s an animatronic fish that wiggles on a plaque while older, very licensable hit songs play. But...
Vitalik Buterin's...
Sidechains vs Plasma vs Sharding
over a year ago
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
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
Additional proof that Apple is ditching the optical drive
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present.
In my life, I never see people use the optical...
Arduino Blog
Arduino Cloud is now natively supported on tablets
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version...
7 months ago
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version (available for both Android and iOS platforms) optimized for unlocking the full potential of larger screen sizes. What is the Arduino IoT Remote app? The Arduino IoT Remote app allows...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
computers are bad
2024-10-12 commercial HF radio
According to a traditional system of classification, "high frequency" or HF
refers to the radio...
2 months ago
According to a traditional system of classification, "high frequency" or HF
refers to the radio spectrum between 3 and 30 MHz. The label now seems
anachronistic, as HF is among the lowest ranges of radio frequencies that see
regular use. This setting of the goalposts in the early...
Jonas Hietala
Going into Being Busy mode
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or...
over a year ago
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or something? So I can’t promise a game the next two months. Kinda beats the point of this site doesn’t it? I’m really sorry and that’s all I can say really…
Hopefully I’ll get a week...
Willem's Blog
Enjoy a festival without alcohol
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during...
over a year ago
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during the music festival.
Jonas Hietala
2020 in review
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me...
over a year ago
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me personally it’s been both good and bad. Luckily we haven’t been directly affected by COVID too much, but it’s still been very disruptive. Either way as I’ve done for years now it always...
Jonas Hietala
August theme: Bare Minimum
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next...
over a year ago
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next game. This could really be anything, from graphics to user interaction… But I’ve got an idea. It’ll be a real challange for me to make but hopefully I’ll have a game in a few weeks...
Simply Explained
ESP32: Keep WiFi connection alive with a FreeRTOS task
I have a few ESP32's running in my house. A few of them are running 24/7 and require an always-on...
over a year ago
I have a few ESP32's running in my house. A few of them are running 24/7 and require an always-on WiFi connection. That's been quite tricky to implement. I used to include various checks throughout my code, but that's not scalable.What I need is something running in the...
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
Louwrentius
How to build an energy efficient computer for home use
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using...
over a year ago
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using it.
Long:
People are spending a lot of time building an energy efficient home computer,
that can act as an HTPC, NAS, or whatever. It must consume as little power as
possible, because it it...
Jonas Hietala
Extracting schedule information from timeedit
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved...
over a year ago
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved some parts. It’s now possible to create a prenumeration of a collection of courses exported as csv which can then be imported to other calendar apps. But they also started to...
Posts on Made of...
Getting carried away with hack value
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of...
over a year ago
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of BarnOwl into perl code, instead of C (BarnOwl is written in an unholy mix of C and perl code that call each other back and forth obsessively).
Moving code into perl has many...
Computer Ads from...
Vote for the Topic of the February 2024 Plus Post
If you are a paid subscriber, voting is open for one week
10 months ago
If you are a paid subscriber, voting is open for one week
Willem's Blog
Google Analytics vs AWStats
Comparing Google Analytics with AWStats to find out where they differ and which is better.
over a year ago
Comparing Google Analytics with AWStats to find out where they differ and which is better.
Home on Erik...
Headcount goals, feature factories, and when to hire those mythical 10x people
When I started building up a tech team for Better, I made a very conscious decision to pay at the...
over a year ago
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
Arduino Blog
This desk lamp automatically adjusts its brightness using AI on an Arduino UNO
When you hear about all of the amazing things being accomplished with artificial intelligence today,...
6 months ago
When you hear about all of the amazing things being accomplished with artificial intelligence today, you probably assume that they require a massive amount of processing power. And while that is often true, there are machine learning models that can run on the edge — including on...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
Jonas Hietala
Done this, done that. What now?
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Notes on software...
Finishing up a FreeBSD experiment
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and...
over a year ago
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and I've learned a hell of a
lot forcing myself on CURRENT... But there's been a number of issues
with it that have made it difficult to keep using, so I replaced it
with Arch Linux...
Notes on software...
Thinking about functional programming
Someone on Discord asked about how to learn functional programming.
The question and my initial...
a year ago
Someone on Discord asked about how to learn functional programming.
The question and my initial tweet on the subject prompted an
interesting
discussion
with Shriram
Krishnamurthi and other folks.
So here's a slightly more thought out exploration.
And just for backstory sake: I...
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
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...
Engineers Need Art
Apple Interview (1995)
Recalling my somewhat unusual interview with Apple back in 1995.
over a year ago
Recalling my somewhat unusual interview with Apple back in 1995.
Jonas Hietala
Beginning Programming
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points:
Too long
Too many examples like “Hello World!”
No answers to exercises.
Nr 1 is a pretty curious one. Even though I think a book is good,...
Home on Erik...
Giving more tools to software engineers: the reorganization of the factory
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe...
over a year ago
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe I'm an optimistic person, because my viewpoint is the complete opposite! I had my first job as a software engineer in 1999, and in the last two decades I've seen software engineering...
Louwrentius
How to run Debian Linux on an Intel based Mac Mini
The Mac Mini is just a gorgeous device. It is beautiful, small, silent,
powerfull yet energy...
over a year ago
The Mac Mini is just a gorgeous device. It is beautiful, small, silent,
powerfull yet energy efficient. When idle, it uses around 20 watts. I'm using
one of the first Intel-based Minis with an Intel Core Duo chip, running at 1.6
Ghz.
I want to use this mini as an expensive router...
computers are bad
2024-05-25 grc spinrite
I feel like I used to spend an inordinate amount of time dealing with suspect
hard drives. I mean,...
7 months ago
I feel like I used to spend an inordinate amount of time dealing with suspect
hard drives. I mean, like, back in high school. These days I almost never do,
or on the occasion that I have storage trouble, it's a drive that has
completely stopped responding at all and there's...
Old Vintage...
The Apple Network Server's all-too-secret weapon (featuring PPC Toolbox)
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately...
a year ago
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately larger beasts: you've met homer, my 1987 HP 9000/350 rack system, and Floodgap is powered by uppsala, a 2U-in-a-tower IBM POWER6 520 running AIX. But my first "large" machine, and...
Jonas Hietala
Let's build a VORON: Wiring
Dread it. Run from it. Wiring arrives all the same.
It’s time for the part of my VORON build that...
a year ago
Dread it. Run from it. Wiring arrives all the same.
It’s time for the part of my VORON build that I’ve been dreading: the wiring.
It’s scary because I really have no clue what I’m doing, and mistakes can be very costly and time-consuming.
I’ve taken my time to double- and...
Louwrentius
'Linux RAID level and chunk size: the benchmarks'
Introduction
When configuring a Linux RAID array, the chunk size needs to get chosen. But
what is...
over a year ago
Introduction
When configuring a Linux RAID array, the chunk size needs to get chosen. But
what is the chunk size?
When you write data to a RAID array that implements striping (level 0, 5, 6,
10 and so on), the chunk of data sent to the array is broken down in to
pieces, each part...
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system
Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
./techtipsy
What I've learned running Linux and Windows off of USB flash drives
I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of...
2 weeks ago
I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of time and the guilt
of storing perfectly functional hardware unused in a box were the main motivators.
This has resulted in experiments with my assortment of USB flash storage that...
Notes on software...
Implementing a simple jq clone in Go, and basics of Go memory profiling
In this post we'll build a basic jq clone in Go. It will only be able
to pull a single path out of...
over a year ago
In this post we'll build a basic jq clone in Go. It will only be able
to pull a single path out of each object it reads. It won't be able to
do filters, mapping, etc.
$ cat large-file.json | head -n2 | ./jqgo...
Arduino Blog
Coolest controllers ever? Icy gamepads melt in users’ hands
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major...
5 months ago
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major exception: stick drift. That’s a reliability issue that eventually affects a large percentage of Joy-Cons, to the frustration of gamers. But what if that was intentional and...
Arduino Blog
An ultra-affordable DIY underwater ROV
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
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
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Louwrentius
Tracking down a faulty Storage Array Controller with ZFS
One day, I lost two virtual machines on our DR environment after a storage vMotion.
Further...
over a year ago
One day, I lost two virtual machines on our DR environment after a storage vMotion.
Further investigation uncovered that any storage vMotion of a virtual machine residing on our DR storage array would corrupt the virtual machine's disks.
I could easily restore the affected...
Ken Shirriff's blog
Inside an unusual 7400-series chip implemented with a gate array
When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple...
9 months ago
When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple die,
implemented in a straightforward, cost-effective way.
However, when I looked inside a military-grade chip built by Integrated Device Technology (IDT)4
I found a very unexpected...
Computer Ads from...
ViaGrafix Computer Training Videos
Learn...by Simply Watching TV
a month ago
Learn...by Simply Watching TV
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Simply Explained
How I Structure My ESPHome Config Files
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Home on Erik...
Momentum and mean reversion might just be volatility bias
The Economist just published an article called The best, the worst and the ugly. By looking at...
over a year ago
The Economist just published an article called The best, the worst and the ugly. By looking at historical performance for mutual funds, they find strong support for momentum and mean reversion. Picking the best or the worst fund over the previous five years gives great returns...
Odds and Ends of...
Odds and Ends #47: I think this YouTube video just changed my life
Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
a week ago
Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
Jonas Hietala
Drawing a self portrait
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m...
over a year ago
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m really slow so I stopped a bit before it really was finished.
Obviously I’d like it to be a bit better, but I’m still a little happy about the glasses and the eyebrows. The mouth...
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Home on Erik...
Better precision and faster index building in Annoy
Sometimes you have these awesome insights. A few days ago I got an idea for how to improve index...
over a year ago
Sometimes you have these awesome insights. A few days ago I got an idea for how to improve index building in Annoy.
For anyone who isn't acquainted with Annoy – it's a C++ library with Python bindings that provides fast high-dimensional nearest neighbor search.
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 days ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Notes on software...
Controlled HTML select element in React has weird default UX
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears...
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters,
computing
airspeed, Mach number, and other "air data".
The rotating...
detreville
The IBM 701
"IBM's first computer"
a year ago
Jonas Hietala
8-puzzle in rust
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a...
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal.
The solution is not by any means a...
Jonas Hietala
Postmortem: The Chronicles of Bim: The 100 Fake Afros
My first shooter! It’s working (although a friend got a null pointer error) so I’m a little...
over a year ago
My first shooter! It’s working (although a friend got a null pointer error) so I’m a little happy.
The Time
I spent about 24 hours on this game. A whopping 30% was break time, mostly me eating, reading manga or playing games… This is proof of me being really lazy this month I...
Good Enough
Beware of Free Software
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it.
And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Willem's Blog
Listen to your body
Using health data gathered by sensors and wearables I learned to listen to my body. Now I have...
over a year ago
Using health data gathered by sensors and wearables I learned to listen to my body. Now I have stopped using bluetooth sensors all together.
Jonas Hietala
Long Term Goals Update
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing...
over a year ago
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing intensity. They were mostly thoughts about not having accomplished anything and that the future looks bleak and meaningless and it’s not worth to do anything. As usual they are...
Applied Cartography
Pytest: test for print statements
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
5 months ago
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own love of weird tests, I offer a similar concept: a test for finding stray print statements in your codebase, with a ratchet array for stuff to ignore.
import glob
PATH =...
Louwrentius
Convert dos file to linux format wit vim
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end...
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice
that all lines end with ^M.
To fix this, you can use the tool dos2unix. If however this tool is not at
your disposal, you may have a problem. If vim is available, you do not have a
problem:
The trick...
lcamtuf’s thing
How do wood finishes hold up?
A quick 18-month experiment to shed light on traditional woodworking lore.
3 months ago
A quick 18-month experiment to shed light on traditional woodworking lore.
Birchtree
When do the Trump flags come down? (members post)
The flags are still flying, celebrating the man, not the country. Why is this something that happens...
a week ago
The flags are still flying, celebrating the man, not the country. Why is this something that happens now, and why is it something only happening on one end of the political spectrum?
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33...
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
Posts on Made of...
Followup to "A Very Subtle Bug"
After my previous post got posted to reddit, there was a bunch of interesting discussion there about...
over a year ago
After my previous post got posted to reddit, there was a bunch of interesting discussion there about some details I’d handwaved over. This is a quick followup on some the investigation that various people carried out, and the conclusions they reached.
In the reddit thread,...
Abort Retry Fail
The History of Windows 3
Windows becomes competitive
a year ago
Windows becomes competitive
Push to Prod
One Key Aspect of Optimizing Computational Throughput
When optimizing throughput, think carefully about how many CPUs you have when adding threads or...
3 months ago
When optimizing throughput, think carefully about how many CPUs you have when adding threads or processes.
Christian Selig
My little Apple Vision Pro stand
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s...
10 months ago
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s beautiful stands that exist out there, but I was looking for something more compact and vertical so it would take up less room on my desk.
So I opened Fusion 360 (which I am still...
Old Vintage...
The Living Computers Museum finally isn't
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are...
5 months ago
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are now on a better footing (more articles are in the hopper). Unfortunately, the same apparently can't be said for the once-great Living Computers Museum + Labs in Seattle,...
Abort Retry Fail
The History of Windows NT 4
Taking the Server Market
a year ago
Ian's Blog
Mourning the Loss of Cohost
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting...
3 months ago
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting down, with the site going read-only on October 1st 2024. This news was deeply upsetting to receive, as Cohost filled a space left by other social media websites when they stopped...
Simply Explained
Integrate Home Assistant with Apple Reminders
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos....
over a year ago
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos. This is trickier as it sounds, because Reminders has no API that can be accessed from Home Assistant. Here's how I worked around that problem with a script, input text helper and...
detreville
But why "detreville"?
(But why not?)
a year ago
Birchtree
How Flight Simulator helped my flying anxiety (members post)
It turns out video games really can impact how you view the world.
2 weeks ago
It turns out video games really can impact how you view the world.
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
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...
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
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
Buck on Software
Crypto and Chasing the Dragon
Marc and Ben’s midlife crisis and the Crypto Crusades
over a year ago
Marc and Ben’s midlife crisis and the Crypto Crusades
computers are bad
2023-06-02 the reinvention of owens lake
Programming note: In an effort to introduce an exciting new social aspect to
Computers Are Bad (a...
a year ago
Programming note: In an effort to introduce an exciting new social aspect to
Computers Are Bad (a functional necessity to appease early-stage investor
demands for "engagement")¸ I am launching a Matrix room for CAB readers.
You can join it! Do whatever you do to join rooms in...
./techtipsy
Things I've learned during my self-hosting adventure
This is a list of lessons that I’ve learned while playing around with my computer setup during the...
over a year ago
This is a list of lessons that I’ve learned while playing around with my computer setup during the last 6-7 years or so.
USB connected storage is a bad idea when you are using BTRFS.
USB connected storage is still a bad idea when you are using ZFS, but it is at least much more...
Yazin Alirhayim
Getting started with Flutter
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but...
over a year ago
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but those days are long gone.
Even the fundamental reasons for doing so have changed — some sort of compromise between performance and speed to deployment. React Native apps were...
axio.ms
Classical virtualisation rules applied to RISC-style atomics
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable...
over a year ago
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable Third Generation Architectures”, giving a set of characteristics for correct full-machine virtualisation.
Today, these characteristics remain very useful. Computer architects will...
Willem's Blog
Tablet as Tool
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and...
a year ago
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and personal experiences to help you maximise the tablet's potential and redefine your workflow.
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
Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
Push to Prod
Comprehension of Concurrency is a Lifelong Journey
Accept that your understanding is imperfect. There is comfort in letting go.
5 months ago
Accept that your understanding is imperfect. There is comfort in letting go.
Vitalik Buterin's...
Updating my blog: a quick GPT chatbot coding experiment
over a year ago
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The...
over a year ago
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and...
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
a month ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Willem's Blog
Refining my tablet OS experience
Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
over a year ago
Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
./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
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...
Louwrentius
Migrated this blog from blogger.com to blogofile
Until now, I was hosting my blog on Google's blogger. I switched to using Blogofile. I wanted to...
over a year ago
Until now, I was hosting my blog on Google's blogger. I switched to using Blogofile. I wanted to have more control over my content and the layout.
I had many issues with the blogger blog post editor, resulting in ugly posts with too much white space, strange fonts and fonts...
Arduino Blog
Controlling a drum machine with the Arduino Opta
Makers have long asked the question “why bother with an expensive PLC when I can just use an...
5 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
Jonas Hietala
Rewriting my blog in Rust for fun and profit
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far.
But all good...
GitButler
Stacked Branches with GitButler
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
2 weeks ago
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
Matt Blewitt
Control Loops and Rice Cookers
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my...
over a year ago
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my regular diet, and it completely removes the stress of preparing rice. They also operate on a simple principle that can help us operate cloud infrastructure – the control loop.
lcamtuf’s thing
The 8-bit (MCU) manifesto
Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them...
6 months ago
Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them more.
Old Vintage...
Composite and hard reset mods for the Tandyvision One
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component.
The Mattel Intellivision proper originally hails...
Good Enough
Cool Songs Don’t Die
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing...
a year ago
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing 22 years ago and ran for 5 seasons and was a pretty big hit and launched the careers of two bonafide movie stars and featured a cast of very well known supporting actors. So yeah,...
Matt Mullenweg
Response to DHH
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal,...
2 months ago
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal, hateful words poisoned my brain, and the original version of this post was mean. I am so sorry. I shouldn’t let this stuff get to me, but it clearly did, and I took it out on DHH,...
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
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....
Arduino Blog
Zoo elephants get a musical toy to enrich their lives
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
2 weeks ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
csvbase blog
Parquet: more than just "Turbo CSV"
Quicker, but also more convenient
a year ago
Quicker, but also more convenient
Jonas Hietala
Competition Feedback
The voting is over and I got a few ratings I want to comment on. You can view all ratings and...
over a year ago
The voting is over and I got a few ratings I want to comment on. You can view all ratings and comments here.
They’re all from 1 to 5.
Innovation: 3.75
Fun: 3.29
Theme: 3.17
Graphics: 2.54
Audio: 2.14
Humor: 2.54
that ugly.
Overall: 3.13
something playable out of this.
Community:...
Louwrentius
Linux Software RAID benchmarking script
Just a small post.
To benchmark your Linux software RAID array as setup with MDADM, please use...
over a year ago
Just a small post.
To benchmark your Linux software RAID array as setup with MDADM, please use my
new benchmark script. I used this script to create these results.
You may need to configure some values within the header of this file to make
it fit your enviroment.
...
Louwrentius
Setup a VPN on your iPhone with OpenVPN and Linux
⚠️ 🚨 Update 2024 🚨⚠️
I'm not using OpenVPN anymore for my VPN needs and this article is considered...
over a year ago
⚠️ 🚨 Update 2024 🚨⚠️
I'm not using OpenVPN anymore for my VPN needs and this article is considered unmaintained.
It's stronly recommended not to use this tutorial and find up-to-date documentation.
I also have no plans to update this blogpost in the future.
[Update 2018]
This...
./techtipsy
How to take down production with a single Helm command
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes,...
8 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes, especially after the time you migrated some services to it.
Everything is calm.
Your pods are running. Your service is up. Business as usual.
You release some minor changes to...
Louwrentius
My Ceph test cluster based on Raspberry Pi's and HP MicroServers
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In...
over a year ago
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In this blogpost I'll discus the cluster in more detail and I've also included (fio) benchmark results.
This is my test Ceph cluster:
The cluster consists of the following...
Old Vintage...
The W65C265SXB gets a SXY case
Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1,...
a year ago
Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1, and I've got some future projects in the works. But these were recently on sale on Amazon and I couldn't resist getting a little sort-of RPi-sized SBC that runs the 16-bit 65816,...
lcamtuf’s thing
The secret lives of snowblowers
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than...
4 months ago
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than it seems.
Computer Ads from...
OS-9 Bonus Content
A detailed look at OS-9 for Tandy Color Computers
3 months ago
A detailed look at OS-9 for Tandy Color Computers
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
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)...
Arduino Blog
Improve indoor air quality with Arduino
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
7 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
Jonas Hietala
Rising from the Dead, it's Ludum Dare
I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Notes on software...
Bootloader basics
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text...
over a year ago
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text editor with a few keyboard
shortcuts. I'll be giving a virtual talk based on this work at Hacker
Nights on Jan 27.
There are a definitely bugs. But it's hard to find...
Home on Erik...
Annoying blog post
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which...
over a year ago
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which is an open source C++/Python library for Approximate Nearest Neighbor search.
I set up Travis-CI integration and spent some time on one of the issues that multiple people had...
Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps
In a ridiculous attempt to prove an internet
wrong about the
practicality of Lisp (Common Lisp...
over a year ago
In a ridiculous attempt to prove an internet
wrong about the
practicality of Lisp (Common Lisp specifically), I tried to get a
simple (but realistic) web app running. After four days and a patch
to ABCL I got something
working.
The code I had in mind would look something like...
Willem's Blog
Building a product platform
Leverage platform capabilities to quickly launch new products, designing for reusability,...
over a year ago
Leverage platform capabilities to quickly launch new products, designing for reusability, flexibility and extensibility.
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
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,...
lcamtuf’s thing
Random objects: Intel Edison
A glimpse of the missteps of x86 in the embedded world.
6 months ago
A glimpse of the missteps of x86 in the embedded world.
Engineers Need Art
Tom Dowdy
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
Home on Erik...
Learning from users faster using machine learning
I had an interesting idea a few weeks ago, best explained through an example. Let's say you're...
over a year ago
I had an interesting idea a few weeks ago, best explained through an example. Let's say you're running an e-commerce site (I kind of do) and you want to optimize the number of purchases.
Let's also say we try to learn as much as we can from users, both using A/B tests but also...
./techtipsy
Surviving the front page of HackerNews on a 50 Mbps uplink
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the...
over a year ago
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the topic, because it
brought out a lot of enthusiasts who shared their own experiences with older
machinery that still works in 2022. I really appreciate the feedback and...
Home on Erik...
Language pitch
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain...
over a year ago
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain languages are simply pronounced with lower or higher pitch. Whether this is a feature of the language or more a cultural thing is a good question, but there are some substantial...
Bryan Braun - Blog
Setting up your /now page with an RSS feed
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now...
a month ago
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes.
The problem is that RSS feeds aren’t...
Willem's Blog
Six months with MCADD
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Louwrentius
Linux RAID 6 performance using software RAID
So after toying around with RAID 0 just for fun, time to get serious. I
created a RAID 6 of 10 x 1...
over a year ago
So after toying around with RAID 0 just for fun, time to get serious. I
created a RAID 6 of 10 x 1 TB disks. This gives me raw device read speeds
of 850 MB/s and write speeds of 300 MB/s. I think this is exactly
what should be expected, but boy it is damn fast. Especially the...
csvbase blog
My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
lcamtuf’s thing
The 101 of analog signal filtering
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
5 months ago
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon Laplace.
Jonas Hietala
First impressions of Pollen
After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it.
What I like
The first thing I really like is Pollen enables...
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome
IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
Good Enough
Good Enough Marketing: The Preparation
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But...
a year ago
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But that’s a difficult task for us because, honestly, we’re terrible not good at self-promotion. We’d rather spend time making things than talking about the things we’ve made.
We’d...
Vitalik Buterin's...
STARKs, Part I: Proofs with Polynomials
over a year ago
Louwrentius
The future of ZFS now that OpenSolaris is dead
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very...
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very popular and very advanced Zetabyte File System (ZFS)
The only open source platform that actively supports ZFS is FreeBSD. And they
just 'copied' the code from OpenSolaris. Are they...
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
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...
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP...
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP connection.
UPDATE July 2011
Due to hardware problems, I was not able to achieve transfer speeds
beyond 150 MB/s. By replacing a network card with one from another
vendor (HP...
Nabeel S. Qureshi
Notes on Puzzles
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a...
a year ago
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a way I don’t like — but one habit I’ve retained is solving puzzles.
Style over Substance
My Home Assistant setup (2023 edition)
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
Willem's Blog
Minimalistic road bike with Gates carbon drive
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX...
over a year ago
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX Carbon Drive, read about this beautiful minimal bike in this post.
Arduino Blog
Harness the power and connectivity of your Arduino UNO R4 WiFi with this IoT lamp
It can be tough to get started with building an Internet of Things (IoT) project from the ground-up,...
7 months ago
It can be tough to get started with building an Internet of Things (IoT) project from the ground-up, as getting connected, serving a webpage, and managing other devices can all be a challenge to a beginner. This is why the YouTuber known as “Mario’s Ideas” made an end-to-end...
Arduino Blog
DexteriSync lets you walk a mile in the gloves of a user with manual disability
Good designers prioritize the user experience — particularly the experience of users with...
a month ago
Good designers prioritize the user experience — particularly the experience of users with disabilities that affect their perception and fine motor skills. A young person without disabilities, for example, may feel that jars are easy to open, while an elderly person with reduced...
Louwrentius
Thunderbolt, a cheap high-speed storage interconnect?
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace...
over a year ago
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace both USB and Firewire. It is mainly targeted at end-user systems allowing to connect peripherals with just a single cable to a computer. Thunderbolt devices, like external hard...
Notes on software...
The year in books: 11 to recommend in 2021
Last year (2021) I finished 17 books, a five year low. But that's ok!
4 fiction and 13 non-fiction....
over a year ago
Last year (2021) I finished 17 books, a five year low. But that's ok!
4 fiction and 13 non-fiction. Another 30 started but not finished.
Non-fiction
It seems I was pretty focused on business history books and history of
tech. The 8 non-fiction books I liked the most:
Designing...
Willem's Blog
Building the blog... in style!
Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
Find out if it is possible to turn a computer from the 90s into a modern development machine.
Louwrentius
Finding a good blu-ray player for Mac OS X
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare.
To play a Blu-ray movie, you have to perform these steps:
right-click on the BDMV file
choose 'show packet contents'
go to...
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
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...
Jonas Hietala
Before the Games: The Site
I’ve got some things I want to do before I start with my next game and they’re all about improving...
over a year ago
I’ve got some things I want to do before I start with my next game and they’re all about improving the site. The last week or so has been extremely productive with me throwing out a lot of wasted code, speeding up the site and adding/removing features and I want to continue with...
Home on Erik...
Toxic meeting culture
I spent six years at a company that went from 50 people to 1500 and one contributing factor leading...
over a year ago
I spent six years at a company that went from 50 people to 1500 and one contributing factor leading to my departure was that I went from a “maker” to a person stuck in meetings every day.
Applied Cartography
Order, Tailwind, DRY
(Order in the CSS rule sense, not the metaphysical sense.)
The time has come to begin exfiltrating...
4 days ago
(Order in the CSS rule sense, not the metaphysical sense.)
The time has come to begin exfiltrating some higher-traffic, higher-leverage parts of Buttondown's admin UI away from the autogenerated Django admin and into some more bespoke components.
Take, for instance, this rather...
Posts on Made of...
Software Engineers should keep lab notebooks
Software engineers, as a rule, suck at writing things down. Part of this is training – unlike...
over a year ago
Software engineers, as a rule, suck at writing things down. Part of this is training – unlike chemists and biologists who are trailed to obsessively document everything they do in their lab notebooks, computer scientists are taught to document the end results of their work, but...
Birchtree
The “Bluesky feels like early Twitter!” vibe
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Computer Ads from...
Creative Computer Publishes Interview with the Guy Behind the Death Star Trench Run (1978)
An Interview With Star Wars Animator Larry Cuba
8 months ago
An Interview With Star Wars Animator Larry Cuba
computers are bad
2023-01-16 huff-duff
We've talked a fair amount about HF radio recently, in the context of OTH
radar. Recall that an...
a year ago
We've talked a fair amount about HF radio recently, in the context of OTH
radar. Recall that an extremely useful property of HF radio here is that HF
frequencies can reflect off of the upper layers of the atmosphere, causing them
to rebound towards earth at a range much further...
Notes on software...
Notes on running Electron
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Home on Erik...
What I have been working on: Modal
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Applied Cartography
44%
If you spend enough time digesting hackneyed business or self-improvement advice, you've probably...
7 months ago
If you spend enough time digesting hackneyed business or self-improvement advice, you've probably seen someone wax poetic about the following image:
This is meant to be an illustration of the power of incrementalism (often referred to as kaizen when the writer is trying to be...
Computer Ads from...
Small Systems Engineering's PETSPEED
Fast Enough for the Human Race
5 months ago
Fast Enough for the Human Race
axio.ms
Pickle plus mains
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science.
Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
Arduino Blog
KiPneu makes soft robotic biomimetics accessible to STEAM students
Biomimicry, which is a method for developing new technology inspired by nature, has been one of...
5 months ago
Biomimicry, which is a method for developing new technology inspired by nature, has been one of humanity’s greatest assets. But systems reliant on soft tissue, such as an octopus’s tentacles, have been notoriously difficult to reproduce in the robotics world. To give STEAM...
Applied Cartography
Notes on 'Founder Mode' / Lieutenancy
In Paul Graham’s latest essay, he writes:
The theme of Brian's talk was that the conventional wisdom...
3 months ago
In Paul Graham’s latest essay, he writes:
The theme of Brian's talk was that the conventional wisdom about how to run larger companies is mistaken. As Airbnb grew, well-meaning people advised him that he had to run the company in a certain way for it to scale. Their advice could...
Old Vintage...
An Apple district manager's Macintosh Portable in 1989-91 (featuring GEIS AppleLink and a look at...
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than...
9 months ago
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than what it has on it: a beta version of System 6.0.6 (the doomed release that Apple pulled due to bugs), Apple sales databases, two online services — the maligned Mac Prodigy client,...
Vitalik Buterin's...
[Mirror] Cantor was Wrong: debunking the infinite set hierarchy
over a year ago
Matt Mullenweg
DrupalCon Singapore
This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform...
a week ago
This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform creators, developers, and supporters. Last year, I had the chance to share the stage with Dries Buytaert, the founder of Drupal, and the conversation stuck with me. It highlighted the...
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing.
You can see this for...
./techtipsy
Zimaboard: the closest thing to my dream home server setup
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally...
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently.
I liked it a lot.
I finally bought one.
In short, Zimaboard is a small single-board computer that is relatively affordable and comes
with an interesting selection of ports, which includes an exposed PCI...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly
Next in compiler basics:
2. user-defined functions and variables
3. LLVM
4. LLVM...
over a year ago
Next in compiler basics:
2. user-defined functions and variables
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
6. an x86 upgrade
In this post we'll write a simple compiler in Javascript (on Node)
without any third-party libraries....
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA)
When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
./techtipsy
Can a laptop from 2012 be a viable home server?
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but...
over a year ago
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but at least it makes for a fun experiment.
Intro
After adding an UPS to accompany my server,
my setup was as complete as it could reasonably be. The server is low power,
but packs...
Electronics etc…
HP 8656A Signal Generator Schematics
Agilent has made the 8656A Signal Generator Operating & Service Manual
available as a PDF, but the...
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual
available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes
them hard to follow.
I spent a good evening extracting the schematics pages, cutting-and-pasting
them together...
Home on Erik...
Building a data team at a mid-stage startup: a short story
I guess I should really call this a parable.
The backdrop is: you have been brought in to grow a...
over a year ago
I guess I should really call this a parable.
The backdrop is: you have been brought in to grow a tiny data team (~4 people) at a mid-stage startup (~$10M annual revenue), although this story could take place at many different types of companies.
Neil Madden
Newsletter
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably...
11 months ago
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably exploring a few topics around AI and philosophy. If you’d prefer some more technical content around security and cryptography, then take a look at the newsletter I put out for my...
Jonas Hietala
Minor site updates
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc
Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look.
Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
./techtipsy
Back to roots
This blog is running on a home server again.
I have once again gained access to a competent internet...
6 months ago
This blog is running on a home server again.
I have once again gained access to a competent internet connection1, and
I think I have figured out the IPv6 setup as well2, leading to this change.
The IP address is dynamic, there are occasional power outages and I might just
mess up...
Computer Ads from...
American Heart Association
A PSA and an Ad
a month ago
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
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...
Louwrentius
Tunneling Elixir cluster network traffic over Wireguard
Introduction
The other day I was supporting a customer with an Elixir-based platform that would make...
a year ago
Introduction
The other day I was supporting a customer with an Elixir-based platform that would make use of Elixir libcluster, so messages on one host can be passed to other hosts. This can - for example - enable live updates for all users, even if they are not communicating with...
Computer Ads from...
Sundial Systems' Relish
The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
2 months ago
The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
Home on Erik...
MLConf 2014
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a...
over a year ago
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself).
Here are my slides:
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