Arduino Blog
This nature-inspired display reacts to ambient sounds
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Jonas Hietala
Netrunner ID draft Örebro
I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what...
over a year ago
I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what happened. Disclaimer: My memory is a little bit fuzzy and the events may or may not correspond to what actually happened.
The draft
The idea was to randomly sort all entrants and...
Vitalik Buterin's...
Gitcoin Grants Round 9: The Next Phase of Growth
over a year ago
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
3 weeks ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
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...
Willem's Blog
Solo around the Markermeer (211KM)
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
Willem's Blog
Using the reMarkable paper tablet
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Good Enough
TIL: Use randomness to prevent email trimming
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of...
a year ago
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of the emails we send with our new app because they were too similar to the other emails in the conversation thread.
They’re similar because that’s just the link to get back into the...
Jonas Hietala
I'm writing a book: Why Cryptocurrencies?
I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I...
over a year ago
I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I complete them. It’s available to read online for free. I’ve only uploaded the introductory parts but I’ve got a bunch more planned.
Why write a book you ask? Well, why not?
I...
Jonas Hietala
Exploring the Gleam FFI
My brain is a curious thing.
I’m on a business trip right now and I’ve set aside time to finish some...
11 months ago
My brain is a curious thing.
I’m on a business trip right now and I’ve set aside time to finish some important todos I want and need to get done.
But instead of focusing on them, I started playing around with Gleam—a young and interesting programming language.
My (current)...
seangoedecke.com RSS...
Keep incidents boring
The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
seangoedecke.com RSS...
I don't know how to build software and you don't either
Are microservices better than monoliths? Should teams set their own technical direction, or is it...
a month ago
Are microservices better than monoliths? Should teams set their own technical direction, or is it better to have that dictated by some…
Vitalik Buterin's...
Why we need wide adoption of social recovery wallets
over a year ago
Louwrentius
My solar-powered blog is now on Lithium Iron Phosphate
In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi -...
a year ago
In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi - escalated into a full-blown off-grid solar setup, large enough to power the computer I use at the moment to write this update1. In this update, I want to discuss my battery...
Computer Ads from...
EPYX's Pitstop
Where Winning is the Pits.
6 months ago
Where Winning is the Pits.
Jonas Hietala
Let's build a VORON: Smaller fixes
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d...
10 months ago
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time.
But of course, I’ve been slowly working through my large mods-I-want list.
My initial plan was to...
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
4 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
Applied Cartography
Buttondown Analytics 3.0
Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'.
Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
Gwern.net Newsletter
March 2021 Gwern.net Newsletter
2 major new site features: 'popins' and recursive Wikipedia popups
over a year ago
2 major new site features: 'popins' and recursive Wikipedia popups
./techtipsy
The absolute state of Bluetooth audio in 2022
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your...
over a year ago
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your colleagues? Forget about it.
This is the setup I have to go with, and it has all to do with how Bluetooth
works. Your options with Bluetooth headsets are the following:
high quality...
Jonas Hietala
2013 Read Books
I actually read more books in 2013 than in 2012.
In a somewhat unorganized list:
Fiction
Livet...
over a year ago
I actually read more books in 2013 than in 2012.
In a somewhat unorganized list:
Fiction
Livet Deluxe - Jens Lapidius
Escape from camp 14 - Blaine Harden
Wonderful. A great book.
Edge - Jeffery Deaver
Dollar - Lee Child
Gisslan - Lee Child
Bränd - Lee Child
Besökaren - Lee...
Birchtree
I don’t care about bad or missing features that I don’t use
Sometimes I’ll talk about something I like online and people will express shock that I can use a...
2 weeks ago
Sometimes I’ll talk about something I like online and people will express shock that I can use a product that has such a clear downside. I’ve gotten people ask how I can use Things since it doesn’t have shared task lists. More recently I
Applied Cartography
Notes on ActivityPub
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is.
Something that gives distinctly bad...
Good Enough
TIL: System Colors are supported in CSS, but they’re unreliable
I’ve said this before: We’re primarily a web shop here at Good Enough, but occasionally we come up...
a year ago
I’ve said this before: We’re primarily a web shop here at Good Enough, but occasionally we come up with ideas that we think would work really well as a native desktop or mobile application. Still, we prototype those ideas on the web first.
Recently, I wanted to try and make one...
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...
Jonas Hietala
FTL got a new victim
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone...
over a year ago
Faster than Light the great game I lost a ton of time on, has found a new victim. It’s not someone you’d expect, it’s even someone who said: “What a bad game” when she saw me playing it. But nevertheless this Saturday she played it more than 2.5 hours!
I told Veronica I wanted...
Louwrentius
Buying a new computer
*** Desktop or Laptop ***
When deciding on which computer to buy, the first decision you have to...
over a year ago
*** Desktop or Laptop ***
When deciding on which computer to buy, the first decision you have to make is about whether to go for a desktop or a laptop. There was a time that many believed that the desktop would become a niche product. Most people want a laptop because they can...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
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...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
7 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the success of the x86 architecture.
The designers of the IBM PC selected...
Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
Notes on software...
Generating a REST API from a database
I recently published an alpha version of a code generation tool,
DBCore, that reads a...
over a year ago
I recently published an alpha version of a code generation tool,
DBCore, that reads a database
schema from PostgreSQL or MySQL and generates an entire Go API with
CRUD operations, pagination, filtering, and authentication.
But more than just generating code like
xo/xo or...
Old Vintage...
xa (xa65) 2.4.0 - finally
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
watchTowr Labs -...
Veeam Backup & Response - RCE With Auth, But Mostly Without Auth (CVE-2024-40711)
Every sysadmin is familiar with Veeam’s enterprise-oriented backup solution, ‘Veeam Backup &...
3 months ago
Every sysadmin is familiar with Veeam’s enterprise-oriented backup solution, ‘Veeam Backup & Replication’. Unfortunately, so is every ransomware operator, given it's somewhat 'privileged position' in the storage world of most enterprise's networks. There's no point deploying...
Jonas Hietala
The current T-34 keyboard layout
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is...
over a year ago
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is constantly changing it’s been difficult to piece together how the layout currently looks like, so this post tries to show how the layout looks right now in it’s entirety.
If you want to...
computers are bad
2024-07-13 the contemporary carphone
Cathode Ray Dude, in one of his
many excellent "Quick Start" videos, made an interesting observation...
5 months ago
Cathode Ray Dude, in one of his
many excellent "Quick Start" videos, made an interesting observation that
has stuck in my brain: sophisticated computer users, nerds if you will, have
a tendency to completely ignore things that they know are worthless. He was
referring to the...
Arduino Blog
Clone your IoT projects with Arduino Cloud Custom Templates
Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the...
4 months ago
Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the thrill of bringing a new IoT project to life. But we also understand the frustration of repetitive setup processes and the time sink of configuring the same elements over and over...
On Life and Lisp
Passing the reins on Panfrost
Today is my last day at Collabora and my last day leading the Panfrost driver.
It’s been a wild...
a year ago
Today is my last day at Collabora and my last day leading the Panfrost driver.
It’s been a wild ride.
In 2017, I began work on the chai driver for Mali T (Midgard). chai would later be merged into Lyude Paul’s and Connor Abbott’s BiOpenly project for Mali G (Bifrost) to form...
Arduino Blog
Discover #Virgil: history comes to life with Arduino
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino...
2 months ago
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino technology with a passion for history, creating a groundbreaking interactive experience for museums. Using Arduino’s versatile and scalable ecosystem, #Virgil operates completely...
Arduino Blog
Arduino partners with RS/OKdo strategically to further expand the China Market
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the...
a month ago
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the distribution of industrial and electronic equipment. This collaboration marks a significant step forward in bringing Arduino’s technology closer to China’s thriving maker community...
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
Home on Erik...
What is your motivation?
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output...
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output is written to a file or disk. Only when Nmap is finished,
is all output written to the output file. Often, I want to start processing
results of hosts that have already been...
Matt Blewitt
Lua: The Little Language That Could
Lua is probably my favourite “little language” - a language designed to have low cognitive load, and...
a year ago
Lua is probably my favourite “little language” - a language designed to have low cognitive load, and be easy to learn and use. It’s embedded in a lot of software, such as Redis, NGINX via OpenResty and Wireshark. It’s also used as a scripting language in games such as World of...
Avestura's Blog
Oversimplified ideas of the great philosophers of all times
Ideas of the great philosophers of all times explained in a few lines
a year ago
Ideas of the great philosophers of all times explained in a few lines
Matt Blewitt
On That Okta LDAP Bug
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance...
a month ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Louwrentius
Affordable server with server-grade hardware part II
If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic.
It is recommended to read the old post first. In this new post, I only show new...
heavymeta.org
CrowdStrike's Impact on Aviation
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity
company CrowdStrike...
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity
company CrowdStrike YOLOed a software update to millions of Windows machines. Or
as they put it:
On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike
released a sensor...
Simply Explained
Retrospective: My Fifth Year on YouTube
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Arduino Blog
Kickstart your tech journey, with the new Arduino Plug and Make Kit!
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone....
5 months ago
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone. That’s why we’ve developed the whole new, beginner-friendly Plug and Make Kit – the easiest way to get started with Arduino! Inside the box, you’ll find everything you need to create...
Notes on software...
How do databases execute expressions?
Databases are fun. They sit at the confluence of Computer
Science topics that might otherwise not...
a year ago
Databases are fun. They sit at the confluence of Computer
Science topics that might otherwise not seem practical in life as a
developer. For example, every database with a query language is also a
programming language implementation of some caliber. That doesn't
include all...
Willem's Blog
Swimming and cycling with Apple Watch
This month I tested the newest watchOS while swimming and cycling.
over a year ago
This month I tested the newest watchOS while swimming and cycling.
Jonas Hietala
Groar
Download
Linux 64bit
Windows
So I actually finished Ludum Dare 33. I can’t believe how hard it was...
over a year ago
Download
Linux 64bit
Windows
So I actually finished Ludum Dare 33. I can’t believe how hard it was to actually make something! It continues to amaze me what fantastic stuff everyone manage to make in just 48 hours. This is what I came up with for the theme You are the Monster....
seangoedecke.com RSS...
Grifters, believers, grinders, and coasters
Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out...
2 weeks ago
Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out in a cultural clash between different…
Buck on Software
Thinking incrementally about SaaS
An overview of the key output of the growth software machine
over a year ago
An overview of the key output of the growth software machine
Neil Madden
A few programming language features I’d like to see
I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming...
a year ago
I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming languages. A “microfeature” is essentially a small convenience that makes programming in that language a bit easier without fundamentally changing it. I love this idea. I’m partial to...
somenice
Russet Lake Early Summer
An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was...
3 months ago
An early canvas of Fissile mountain reflected in Russet Lake. This time early summer when there was still a bit of ice on the lake and the mountain tops are covered with snow. The painting is framed in western red cedar. Russet Lake Early Summer by Andrew SmithAcrylic on canvas10...
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...
somenice
Matter as a Smart home standard
Matter is the name of the smart home standard that promises to bridge IOT devices and different home...
8 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
Simply Explained
Retrospective: 4 years on YouTube
Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate,...
over a year ago
Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate, and set goals for the coming year. This year is no exception. January 13th, 2020, marks my fourth year on YouTube. Time to do a little retrospective.
Engineers Need Art
VPX Scripting - Part 6 (End Sound)
This post wraps up the sound work on Teacher's Pet.
8 months ago
This post wraps up the sound work on Teacher's Pet.
Jonas Hietala
Embedding youtube videos with Hakyll
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll.
I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Jonas Hietala
Customizing Neovim
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing...
7 months ago
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing code
I’ve been using Neovim since it forked from Vim almost 8 years ago, and I used Vim many years before that.
I feel quite comfortable with Neovim, and I’ve gone down the...
Notes on software...
How to get better at recursion
tldr; reimplement standard library functions in your favorite
language without loops.
Background
For...
over a year ago
tldr; reimplement standard library functions in your favorite
language without loops.
Background
For a few years after college I spent a lot of free time doing
projects in Standard ML and Scheme. As a result I got really
comfortable doing recursion. The two big reasons for this...
Louwrentius
Is there an easy and secure way to transfer files?
Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic.
Many organisations do not seem too concerned about...
Arduino Blog
A gamified approach to therapy and motor skills testing
For children who experience certain developmental delays, specific types of physical therapies are...
6 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
Arduino Blog
An engineer’s journey to bring the ultimate TMJ pain relief tool to market
To the average person, invention and new product development seem like pretty straightforward...
2 months ago
To the average person, invention and new product development seem like pretty straightforward processes; you come up with a killer idea, do the engineering work to cobble together a working prototype, have a truckload of units manufactured, and then sell those to turn a profit....
Posts on Made of...
Reflections on software performance
At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
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.
Home on Erik...
Delivering Music Recommendations
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Computer Ads from...
VenturCom's VENIX
Mixing REAL Time With REAL UNIX Is Not Magic...It Is Technology.
10 months ago
Mixing REAL Time With REAL UNIX Is Not Magic...It Is Technology.
somenice
CBC Spark with Nora Young
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Jonas Hietala
A Four-Eyed Update
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool.
I took home three frames I think and tried them out and I settled some I...
Arduino Blog
Exercise while you game with this interactive treadmill add-on
Motion-based controls for games have been around for decades, but even with the latest generation of...
3 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
Arduino Blog
Monitoring the weather with an Arduino MKR WiFi 1010-based station
Being able to monitor the weather in real-time is great for education, research, or simply to...
7 months ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
Jonas Hietala
A Vacation Filled with Obsession
A nice thing about school are the nice long vacations. Directly after my last exam we went north to...
over a year ago
A nice thing about school are the nice long vacations. Directly after my last exam we went north to our dear home village Övertorneå and spent two weeks celebrating Christmas and New Years Eve. What did we do? I practiced some obsessive behavior with Power Grid and Minecraft (and...
Louwrentius
A practical understanding of lead acid batteries
Introduction
The goal of this article is to give you a practical understanding Lead Acid batteries....
over a year ago
Introduction
The goal of this article is to give you a practical understanding Lead Acid batteries. We won't address the underlying chemistry, we'll treat them as a black-box and we will discover their characteristics and how to keep them healthy.
Disclaimer
I'm an amateur. I...
Good Enough
Season 3, Issue 1: Whale, Hello There!
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work,...
a year ago
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work, and there’s only so much time we have, and there was the winter break and Shawn kept getting sick—we have many excuses, how much time do you have?
Gosh, since July of last year?...
Computer Ads from...
ViaGrafix Computer Training Videos
Learn...by Simply Watching TV
a month ago
Learn...by Simply Watching TV
Christian Selig
Instant Pan Gesture Interactions
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key...
a year ago
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key takeaways from the videos that one of the presenters, Chan Karunamuni, said is “Look for delays everywhere. Everything needs to respond instantly.” (6:28)
A really great example of...
Louwrentius
Secure caching DNS server on Linux with DJBDNS
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon"....
over a year ago
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon". However, this software has a bad security track record and is in
my opinion a pain to configure.
Mr. D.J. Bernstein developed "djbdns", which comes with a guarantee: if anyone
finds a...
Posts on Made of...
Why scons is cool
I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Notes on software...
Transparency and communication on small teams
I saw a post on
dev.to
that talks about dysfunctional teams. This is a response that...
over a year ago
I saw a post on
dev.to
that talks about dysfunctional teams. This is a response that focuses
specifically on how to prevent burnout from overworking. This is aimed
at senior/lead engineers and engineering/project managers -- because
everyone in a leadership role is responsible...
Jonas Hietala
Postmortem: MenuCity
Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game.
Let’s start...
Gwern.net Newsletter
November newsletter
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
Arduino Blog
This DIY smart chicken coop features AI-based predator detection
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get...
a month ago
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get rid of pests in the yard. But, like all animals, they require care. Most importantly, you’ll need to ensure that they have regular food and water, and you’ll need to protect them...
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...
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...
Good Enough
Season 3, Issue 2: Britney Coltrane
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I...
a year ago
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I tried to deal with the company-side of work: setting up payroll, health insurance, and making sure we’re compliant (hello, bureaucracy!). Back in the day when Danny and I started...
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...
Louwrentius
The impact of the MDADM bitmap on RAID performance
Introduction
I'm aware that most people with intensive storage workloads won't run those workloads...
over a year ago
Introduction
I'm aware that most people with intensive storage workloads won't run those workloads on hard drives anymore, that ship has sailed a long time ago. SSDs have taken their place (or 'the cloud').
For those few left who do use hard drives in Linux software RAID setups...
Simply Explained
Static webhosting benchmark: AWS, Google, Firebase, Netlify, GitHub & Cloudflare
Static websites are still a hot topic. They are fast, and they're incredibly secure because there...
over a year ago
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static website hosting provider in 2020?...
Construction Physics
How We Got the Lithium-ion Battery
It took decades of research, performed around the world, before a practical lithium-ion battery was...
3 weeks ago
It took decades of research, performed around the world, before a practical lithium-ion battery was possible.
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!)
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor
Introduction
Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
Introduction
Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM.
When I bought this drive, we were still in...
Home on Erik...
Implicit data and collaborative filtering
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings.
While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
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.
Notes on software...
A single-node Kubernetes cluster without virtualization or a container registry
This post is a recipe for setting up a minimal Kubernetes cluster on
Fedora without requiring...
over a year ago
This post is a recipe for setting up a minimal Kubernetes cluster on
Fedora without requiring virtualization or a container registry. These
two features make the system cloud-agnostic and the cluster entirely
self-contained. The post will end with us running a simple Flask...
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.
./techtipsy
HoloISO: the unofficial Steam Deck experience on your PC
If you have spent any time in gaming hardware circles, then you’ve probably
heard about the Steam...
over a year ago
If you have spent any time in gaming hardware circles, then you’ve probably
heard about the Steam Deck, the
Linux-based handheld gaming PC built by Valve. Yes, you heard that right: not
Windows, but Linux.
I’ve had my fair share of attempts at gaming on Linux. When it works,...
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...
Home on Erik...
statself.com
Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
computers are bad
2024-01-06 usb on the go
USB, the Universal Serial Bus, was first released in 1996. It did not achieve
widespread adoption...
11 months ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve
widespread adoption until some years later; for most of the '90s RS-232-ish
serial and its
awkward sibling the parallel port
were the norm for external peripheral. It's sort of surprising that USB...
lcamtuf’s thing
Lies, damned lies, and photodiodes
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast...
a week ago
Diffusion and drift currents: depending on what you're trying to do, photodiodes can be really fast or infuriatingly slow.
csvbase blog
Client libraries are better when they have no API
fsspec is secretly everywhere, and boss
8 months ago
fsspec is secretly everywhere, and boss
Christian Selig
Table of Contents Selector View
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Jonas Hietala
Undo git reset --hard
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back...
over a year ago
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back a bit. What I didn’t realize then is that you throw away all the commits between now until <hash>. Not quite what was planned.
After a bit of panic I found the answer:
Find your...
Posts on Made of...
Efficiency trades off against resiliency
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from...
a year ago
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from a well-designed and well-run service, what CPU utilization should we hope to see, averaged over a day or two?
It’s a very general question, and it’s not clear it should have a...
anderegg.ca
How decentralized is Bluesky really?
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
4 weeks ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece.
The article is long, but very much worth a read. From the conclusion:
Bluesky is built by good people who care, and it is providing...
Simply Explained
Home Energy Monitor: V2
My DIY home energy monitor has been running for almost a year now. It's been recording my...
over a year ago
My DIY home energy monitor has been running for almost a year now. It's been recording my electricity consumption every second and everything is neatly archived in my AWS account.Still, though, there is room for improvement. It's time to look back, evaluate & improve the design....
Home on Erik...
Approximate nearest news
As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm...
over a year ago
As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm the author of a Python package called Annoy.
I've also built a benchmark suite called ann-benchmarks to compare different packages.
Jonas Hietala
Going down
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and...
over a year ago
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and mario bros kinda stuff. Well now I’m not so upbeat anymore, I’ve worked on this game for 7 days now and it’s not playable at all. With seven days I don’t mean a week, I’ve had a big...
Applied Cartography
Vibes and years
XH asks:
How do indie developers/small teams keep track of and prioritize long-term roadmaps?
I've...
10 months ago
XH asks:
How do indie developers/small teams keep track of and prioritize long-term roadmaps?
I've been basically work off my gut + Feeling of the Day for the past few years, and that's getting a bit unsustainable
Buttondown's roadmapping has existed for the past three years in a...
Home on Erik...
Detecting corporate fraud using Benford's law
Note: This is a silly application. Don't take anything seriously.
Benford's law describes a...
over a year ago
Note: This is a silly application. Don't take anything seriously.
Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
Louwrentius
Linux Mac Mini - temperature monitoring with lm-sensors
This post is about getting temperature monitoring to work with a Mac Mini
running Linux.
Using...
over a year ago
This post is about getting temperature monitoring to work with a Mac Mini
running Linux.
Using Debian Lenny, out of the box, lm-sensors is not working. No sensors can
be found. This is how temperature monitoring and fan speed monitoring can be
made to work:
modprobe applesmc
If...
Arduino Blog
This disturbing Halloween doll was brought to life with Bottango
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near...
a month ago
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near the top of the list. That extends beyond store-bought costumes and decorations to DIY projects. If you want an excuse to make something impractical, Halloween can provide that. And...
Vitalik Buterin's...
The promise and challenges of crypto + AI applications
10 months ago
Home on Erik...
Presentation about Luigi
I like the editing!
over a year ago
Arduino Blog
Magnus is an electromagnetic exoskeleton for your hands
One of the primary goals of wearable technology is to provide the user with capabilities and data...
5 months ago
One of the primary goals of wearable technology is to provide the user with capabilities and data that exceed their current abilities. And for motion, this has traditionally existed in the form of electrical muscle stimulation (EMS), where current is applied via electrodes to...
Jonas Hietala
Autocomplete with nvim-cmp
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I...
7 months ago
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I must assume most programmers—use all the time.
It’s not as crucial for writing blog posts as when you’re coding but it’s still easy to come up with examples of how autocomplete...
Posts on Made of...
A Very Subtle Bug
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by...
11 months ago
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by Orthogonal Demodulation
Misc
Introduction
While researching a DSP related topic, Google dug up an excellent article,
written by Hideo Okawara, that is just one part of a series of ~53. I...
Vitalik Buterin's...
Analyzing Token Sale Models
over a year ago
Home on Erik...
What can startups learn from Koch Industries?
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago.
Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Applied Cartography
Incumbency
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt...
5 months ago
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt software-focused private equity:
Distribution and brand moats can protect your legacy products for a while (esp in enterprise) but eventually you get lapped by competitors with better...
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free
The eBook for my book Why Cryptocurrencies? is now available for free.
It’s been almost 4 years...
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free.
It’s been almost 4 years since the web version was done, and 3 since the physical copy was available…
Which can hardly be called a success.
Things happened, so let’s do a quick retrospective to, maybe, learn...
Style over Substance
Review of the 2-dial TTArtisan Light Meter
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
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...
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!
Gwern.net Newsletter
October 2020 news
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization &...
over a year ago
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization & improvement.
Jonas Hietala
2016 in Review
See the previous reviews.
2016 Geek Achievements
Placed 2nd in Linköping’s Regional in...
over a year ago
See the previous reviews.
2016 Geek Achievements
Placed 2nd in Linköping’s Regional in Netrunner.
Won a couple of smaller Netrunner tournaments.
Got Veronica to play Game of Thrones with us. She beat us and she loved it!
Programmed a little bit of Elixir and a tiny bit of front...
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine
There is something inherently intriguing about submarines that doesn’t seem to apply to other...
4 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
./techtipsy
Disk is OK
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of...
over a year ago
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of Midas.
Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for.
Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here)
For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
computers are bad
2023-04-30 los alamos - compound to county pt II
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly...
a year ago
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly administered by the Atomic Energy Commission (AEC).
The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the
towns it owned by transferring the property to private...
Abort Retry Fail
The History of Slackware
The Oldest Surviving Linux Distribution
a year ago
The Oldest Surviving Linux Distribution
latest projects -...
Motorised Camera Slider
[Hardware] Simple smooth motor mod
5 months ago
[Hardware] Simple smooth motor mod
anderegg.ca
The trouble with openness
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
3 weeks ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time.
One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned.
Brief intro
For the uninitiated, UserDefaults (née...
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...
Christian Selig
Recreating Apple's beautiful visionOS search bar
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
Willem's Blog
Working Offline First
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise...
a year ago
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise your workflow – join my cloud-free adventure today!
Gwern.net Newsletter
February 2021 Gwern.net Newsletter
links on AI scaling, semaglutide, and ethicist ethics
over a year ago
links on AI scaling, semaglutide, and ethicist ethics
Louwrentius
Is the iPhone OS a threat to our freedom?
There is one fundamental flaw with both the iPhone and the iPad. As a user,
you do not have full...
over a year ago
There is one fundamental flaw with both the iPhone and the iPad. As a user,
you do not have full control over your device. You can only install or run
software that is approved by Apple.
This is something that is unprecedented. All major platforms, Windows, Linux,
Mac OS X do...
computers are bad
2024-09-14 the national warning system
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and...
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and telephone operating companies sold as private
lines. One of the
interesting properties of private line systems is that they can be ordered as
four-wire. Internally, the telephone network...
Louwrentius
Did you know that RDP is as insecure as telnet?
Microsoft developed the remote desktop protocol in order to allow remote GUI-
based access to hosts....
over a year ago
Microsoft developed the remote desktop protocol in order to allow remote GUI-
based access to hosts. It is easy to pick on Microsoft and I do respect what
they have accomplished, however, it may not come as a surprise that they did
it all wrong with RDP in terms of security.
By...
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system
Your service cannot process events fast enough during peak hours.
There is no obvious quick and...
a year ago
Your service cannot process events fast enough during peak hours.
There is no obvious quick and dirty fix.
Refactoring would take ages.
People have been unhappy for a while now.
What the hell do you do?
Background
I had the pleasure of working with a legacy backend system...
Lighthouse Blog
Updates November 24: Content parsing improvements
a year ago
Notes on software...
Speeding up Go's builtin JSON encoder up to 55% for large arrays of objects
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.
Arduino Blog
This robotic kalimba plays melodies with an Arduino Nano
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each...
3 months ago
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each tuned for a specific note, and upon plucking or striking one, a pleasant xylophone-like sound can be heard. Taking inspiration from his mini kalimba, Axel from the YouTube channel...
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.
Notes on software...
SQLite has pretty limited builtin functions
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.
Louwrentius
My home network setup based on managed switches and VLANs
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear.
So this is my setup (click for a bigger version):
I like to run my own router but...
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
./techtipsy
Strangling your service with a Kubernetes misconfiguration
This is a quick story about a fun discovery that I made a while ago.
For legal reasons, all of this...
over a year ago
This is a quick story about a fun discovery that I made a while ago.
For legal reasons, all of this is made up and no such service ever existed.
Once upon a time, we had this Java service that handled all the backend
work that you’d expect to occur for a product with a web...
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...
Willem's Blog
Developing a native iOS app
How hard can it be to build your own cycling and running workout tracker app using native code with...
7 months ago
How hard can it be to build your own cycling and running workout tracker app using native code with some help from AI? Read along to find out!
anderegg.ca
My 2024 Upgradies Picks
The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I...
3 weeks ago
The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I submitted my recommendations earlier today, and thought it would be fun to share my picks.
Best Overall iOS App
Bear
I once again don’t have a new app for this category, but Bear has...
Willem's Blog
Impact of training
Join me on an intriguing journey as I explore the transformative impact of effective training and...
a year ago
Join me on an intriguing journey as I explore the transformative impact of effective training and data analysis on my performance in the Fietselfstedentocht 2023.
Neil Madden
On PBKDF2 iterations
There has been a lot of discussion recently around the LastPass breach, especially with regards to...
a year ago
There has been a lot of discussion recently around the LastPass breach, especially with regards to the number of PBKDF2 iterations applied to the master password to derive the vault encryption key. Other people have already dissected this particular breach, but I want to more...
Notes on software...
The world of PostgreSQL wire compatibility
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
A *
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked.
I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Lars Lofgren
CNN and USA Today Have Fake Websites, I Believe Forbes Marketplace Runs Them
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had...
2 months ago
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had agreements with CNN and USA Today? And that Forbes Marketplace was stuffing those sites full of affiliate content just like it is with Forbes? And what if Forbes Marketplace went to...
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 =...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s?
I wasn’t happy with my “one machine that does it all”
setup, which is why I finally bit the bullet...
over a year ago
I wasn’t happy with my “one machine that does it all”
setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit.
This is a fantastic little desktop PC kit that is very small, quiet and can
still be configured to have ridiculous amounts of...
Old Vintage...
Refurb weekend: the Symbolics MacIvory Lisp machine I have hated
Every collector has that machine, the machine they sunk so much time and, often, money into that...
2 months ago
Every collector has that machine, the machine they sunk so much time and, often, money into that they would have defenestrated it years ago except for all the aforementioned time and money. Yours truly is no exception.
a future article.) They existed in highly technical...
Simply Explained
Filtering spam on YouTube with TensorFlow & AI
My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they...
over a year ago
My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they know how to profit from trading cryptocurrencies or that they can recover lost wallet keys.I've been marking these comments as spam, thinking that YouTube would learn to recognize...
Matt Mullenweg
Where is Lee Wittlinger?
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
2 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
Jonas Hietala
Language spec in code blocks
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it.
It was to display the highlighted language in code blocks:
The code spec displays what programming language the code...
Engineers Need Art
VPX Scripting - Part 2 (Linting)
The second in a series of posts about scripting Visual Pinball tables.
8 months ago
The second in a series of posts about scripting Visual Pinball tables.
Notes on software...
Interpreting TypeScript
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript...
over a year ago
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript makes much of its functionality
available programmatically. In this post we'll use the TypeScript
compiler API to build an interpreter. We'll build off of a...
Jonas Hietala
The Arty Timeline
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are:
And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Applied Cartography
Notes on Zed, revisited
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment.
Six months later, I spent a few days using it as my daily...
Louwrentius
Firewire: the forgotten security risk
The battle between Firewire and USB has been won by USB, but Firewire is still
arround. It is not...
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still
arround. It is not that prevalent, cheap computers lack Firewire, but they often
have a PCMCIA slot.
The thing is this: Firewire allows direct access to all RAM of your computer.
An attacker...
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...
Jonas Hietala
Building the GH60
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share.
The hardware
Several years ago I joined the geekhack forum and I joined in a few group...
Louwrentius
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...
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
Notes on software...
Writing an x86 emulator from scratch in JavaScript: 2. system calls
Previously in emulator basics:
1. a stack and register machine
In this post we'll extend x86e...
over a year ago
Previously in emulator basics:
1. a stack and register machine
In this post we'll extend x86e to
support the exit and write Linux system calls, or syscalls. A syscall
is a function handled by the kernel that allows the process to
interact with data outside of its memory....
Matt Blewitt
Logical Replication Guardrails
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few...
6 months ago
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few thoughts on how to implement some guardrails to make things easier on operators.
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
Vitalik Buterin's...
[Mirror] Central Planning as Overfitting
over a year ago
Louwrentius
Speeding up Linux MDADM RAID array rebuild time using bitmaps
Update 2020: Please beware of the impact of random write I/O performance.
Please note that with a...
over a year ago
Update 2020: Please beware of the impact of random write I/O performance.
Please note that with a modern Linux distribution, bitmaps are enabled by default. They will not help speed up a rebuild after a failed drive. But it will help resync an array that got out-of-sync due to...
./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...
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...
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,...
Jonas Hietala
Up like a Sun, Down like a Pancake
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
Jonas Hietala
Writing lessons learned after writing a book
A good writer isn’t born; a good writer is created
It may sound dumb, but one of my reasons for...
a year ago
A good writer isn’t born; a good writer is created
It may sound dumb, but one of my reasons for writing a book was to improve my writing ability.
Maybe I could’ve practiced on the blog instead, but putting things on paper gave it some added weight I don’t think I would’ve gotten...
Arduino Blog
This portable Starmap could be your guide to the cosmos
Estimates vary, but there are generally a few thousand stars bright enough to see in the sky on a...
6 months ago
Estimates vary, but there are generally a few thousand stars bright enough to see in the sky on a clear, moonless, cloudless night away from city lights. You might be able to identify a couple of them, along with a handful of constellations. But what about the rest? If they...
watchTowr Labs -...
IBM QRadar - When The Attacker Controls Your Security Stack (CVE-2022-26377)
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide...
8 months ago
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide range of enterprise software stacks.
In addition, we've seen surreptitious and patient threat actors light our industry on fire with slowly introduced backdoors in the XZ...
Good Enough
Thoughts On Thoughts
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our...
a year ago
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our thoughts and what we believe about them.
Or perhaps we can think of this as an intervention. This post is the circle of friends gathered to help us stop hitting ourselves in the...
Applied Cartography
Git one-liner: get the earliest commit from X hours ago
I wanted to get a commit that was temporally some distance back as part of my experimentation with...
7 months ago
I wanted to get a commit that was temporally some distance back as part of my experimentation with git cliff. This took some time to do, but here's what I ended up with:
git log --since="72 hours ago" --until="now" --reverse --pretty=format:"%h" | head -1
Nothing particularly...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Applied Cartography
Notes from May
Lots of writing this month:
Why you should use Rails
A reminder that things take time
How...
6 months ago
Lots of writing this month:
Why you should use Rails
A reminder that things take time
How shadcn/ui's previews work
Why I hate that 1.01% meme
A lovely term, 'grace note'
Au revoir, invoke!
A quick check-in on 11ty
A rant/snippet for auth.js
The first edition of what will be a...
Christian Selig
Introducing Juno for Apple Vision Pro
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
10 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Notes on software...
A reawakening of systems programming meetups
This year has seen a resurgence in really high quality systems
programming meetups. Munich...
5 months ago
This year has seen a resurgence in really high quality systems
programming meetups. Munich Database
Meetup, Berlin
Systems Group, SF Distributed
Systems Meetup, NYC
Systems, Bengaluru
Systems, to name a few.
This post summarizes a bit of disappointing recent tech meetup
history,...
Old Vintage...
Refurb weekend: PowerBook Duo 2300c
Jerry Seinfeld had one.
many other TV shows and even movies, most notoriously Hackers:
my...
a year ago
Jerry Seinfeld had one.
many other TV shows and even movies, most notoriously Hackers:
my favourite PowerBook 1400: the metal hinges are starting to tear out of their attachment points in the plastic back of the display, and naturally it's the one with all the upgrades in...
Arduino Blog
Introducing Arduino cores with ZephyrOS (beta): take your embedded development to the next level
Last July, when we announced the beginning of the transition from Mbed to Zephyr, we promised to...
2 weeks ago
Last July, when we announced the beginning of the transition from Mbed to Zephyr, we promised to release the first beta by the end of 2024. Today, we are excited to announce the first release of Arduino cores with ZephyrOS in beta! ZephyrOS is an open-source, real-time operating...
Applied Cartography
Always use an enum for your status field
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
latest projects -...
Robot Slide Whistle Orchestrion
[Hardware] Army of Robot Slide Whistles
8 months ago
[Hardware] Army of Robot Slide Whistles
Old Vintage...
Virtualizing the 6502 on a 6502 with 6o6 (and The Incredible KIMplement goes 1.0)
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've...
7 months ago
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've intermittently worked on for literally two decades. Now that I've finally shaken out more bugs, tuned it up and cleaned it off, it's time to let people play with the source...
Willem's Blog
Measuring cholesterol levels in blood
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know...
over a year ago
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know your LDL, HDL and Triglycerides numbers with a simple test.
computers are bad
2024-06-08 dmv.org
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually,...
6 months ago
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be
overstated. A more general term is "motor vehicle administrator," used for
example by the American Association of Motor Vehicle...
Home on Erik...
The relationship between commit size and commit message size
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's...
over a year ago
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's my rationale:
When I update one line of code I feel like I have to put in a long explanation about its side effects, why it's fully backwards compatible, and why it fixes some...
Home on Erik...
Waiting time, load factor, and queueing theory: why you need to cut your systems a bit of slack
I've been reading up on operations research lately, including queueing theory. It started out as a...
over a year ago
I've been reading up on operations research lately, including queueing theory. It started out as a way to understand the very complex mortgage process (I work at a mortgage startup) but it's turned into my little hammer and now I see nails everywhere.
Notes on software...
SMTP protocol basics from scratch in Go: receiving email from Gmail
I've never run my own mail server before. Before today I had no clue
how email worked under the hood...
over a year ago
I've never run my own mail server before. Before today I had no clue
how email worked under the hood other than the very few times I've set
up mail clients.
I've heard no few times how hard it is to send mail from a
self-hosted server (because of spam filters). But how hard can...
Home on Erik...
There is no magic trick
(Warning: super speculative, feel free to ignore)
As Yogi Berra said, “It's tough to make...
over a year ago
(Warning: super speculative, feel free to ignore)
As Yogi Berra said, “It's tough to make predictions, especially about the future”. Unfortunately predicting is hard, and unsurprisingly people look for the Magic Trick™ that can resolve all the uncertainty.
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...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
./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...
Neil Madden
The square roots of all evil
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
2 weeks ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
Jonas Hietala
Installing Krita on Slackware 14.1
This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for...
over a year ago
This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for linux.
removepkg calligra
Install some dependencies from Slackbuilds.
gsl
libgexiv2
libpqxx
pstoedit
Get Krita.
The original guide recommends building in ~/kde4 but I moved i to...
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a...
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a better adapter like the
Intel Dual Band Wireless-AC 7260,
and found that Bluetooth is not working as intended on your ThinkPad T430
running Linux?
Here’s a guide on what you can...
Birchtree
Everything is a reaction, nothing is forever, and everything comes back (members post)
Why nothing stays popular forever.
2 weeks ago
Why nothing stays popular forever.
Christian Selig
Trials and tribulations of 360° video in Juno
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is...
10 months ago
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is whether it supports 360° and 180° videos (for the unfamiliar, it’s an immersive video format that fully surrounds you). The short answer is no, it’s sort of a niche feature without...
Electronics etc…
Analyzing the Monoprice Blackbird HDCP 2.2 to 1.4 Down Converter
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper:...
a year ago
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper: UART Transactions
Decoding HDCP I2C Transactions
The Legality of It All
References
Footnotes
Introduction
I got my hands on a
Monoprice Blackbird 4K Pro HDCP 2.2 to 1.4...
Jonas Hietala
Focusing Attention: Programming
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many...
over a year ago
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many things I’d like to do and even if it’s not possible to do them all at once it didn’t stop me from thinking of them. One minute it’s that and the other it’s something completely...
Notes on software...
Container scheduling strategies for integration testing 14 different databases in Github Actions
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.
Arduino Blog
This Halo helmet features an adjustable-transparency RGB-backlit visor
The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the...
3 weeks ago
The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the Needler. But the armor, such as the Spartan armor worn by Master Chief, is arguably the most recognizable. The helmets are especially cool, and LeMaster Tech put his own unique spin...
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [...
a year ago
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ['$', '$'], ["\\(", "\\)"] ],
displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ],
processEscapes: true,
skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Good Enough
All About CSS: Alphabetize, Normalize, and Dark-mode-itize
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid...
a year ago
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid writers and sharers… I’m not. But they keep chanting “One of us. One of us.” so I suppose you’ll see me around here sometimes.
For my inaugural post, I thought I’d quickly share what...
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
3 days ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
Notes on software...
Notes from Neal Gabler's Walt Disney
Disney was a celebrity by his mid-30s, Disney the company was famous
by 1930s.
Even though...
a year ago
Disney was a celebrity by his mid-30s, Disney the company was famous
by 1930s.
Even though politically the 1930s was considered the decade of
Roosevelt (elected President in 1933), culturally the 1930s was
considered the decade of Mickey Mouse.
Almost every new...
Matt Blewitt
Regular Restarts Are Good, Actually
Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on...
a month ago
Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on compute units, known as “dynos”. This is actually a good thing, but very misunderstood.
Abort Retry Fail
The History of Windows NT 3.1
A Highly Portable Future
a year ago
Matt Blewitt
Point and Call
It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter...
over a year ago
It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter Expert (SME) for. Sleepy, you load up the playbook for when the SplineReticulatorBlocked alert has gone off, and start executing. The Incident Commander (IC) is vaguely aware of what...
Jonas Hietala
Christmas break
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Nabeel S. Qureshi
Advice That Actually Worked For Me
My contribution to the 'productivity advice' genre.
over a year ago
My contribution to the 'productivity advice' genre.
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
11 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
Jonas Hietala
Postmortem: Beebop The Island Hopper
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop...
over a year ago
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop The Island Hopper for the theme Islands.
About Ludum Dare
Ludum Dare is a competition which runs maybe two times a year and the competition is 24 hours long with a specific theme....
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...
Arduino Blog
Making a car more secure with the Arduino Nicla Vision
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
4 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
computers are bad
2023-03-24 docker
Lately I tend to stick to topics that are historic by at least twenty years,
and that does have a...
a year ago
Lately I tend to stick to topics that are historic by at least twenty years,
and that does have a lot of advantages. But I am supposedly a DevOps
professional, and so I will occasionally indulge in giving DevOps advice... or
at least opinions, which are sort of like advice but...
Good Enough
Grassroots
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff!
As we’ve been...
Jonas Hietala
Rewriting my Neovim config in Lua
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of...
a year ago
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of things to do; clean the bathrooms, prototype an idea for a SaaS and ponder world peace.
So naturally the procrastination took over and I rewrote my Neovim configuration in...
Louwrentius
Script that shows ETA of RAID rebuild / reshape
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time...
over a year ago
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time telling you when the RAID rebuild / reshape is finished.
This is the link to the correct version of the script.
Example:
debian:~# ./raid-rebuild-eta.sh
Estimated time of finishing...
Home on Erik...
Momentum strategies
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
Abort Retry Fail
The History of GM-NAA I/O and SHARE
The Birth of Computer Operating Systems
a year ago
The Birth of Computer Operating Systems
Abort Retry Fail
The History of Windows 2.0
Success and Litigation
a year ago
Computer Ads from...
Small Systems Engineering's PETSPEED
Fast Enough for the Human Race
5 months ago
Fast Enough for the Human Race
Odds and Ends of...
Here's how AI can REDUCE health misinformation
How the government can build a bullshit detector
2 months ago
How the government can build a bullshit detector
Avestura's Blog
Hiding a photo inside another photo
How to hide a small photo inside a larger photo?
over a year ago
How to hide a small photo inside a larger photo?
Notes on software...
Responsibility and ownership
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn...
over a year ago
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn over ownership, don't expect folks to
take responsibility. When you grant ownership and set expectations,
you'll be astounded what folks will accomplish without you.
I am astounded.
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...
Arduino Blog
Shop vac becomes a Roomba on steroids
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and...
7 months ago
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and sweep your own floors, you have a little maid robot to do the job for you. But these devices have very little power and capacity, which makes them useless for anything other than...
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration!
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Jonas Hietala
Dijkstra's Algorithm
For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
For rust, I’m updating the documentation for the standard library and specifically with the collections. For the priority queue I had the idea to use Dijkstra’s algorithm as a fun example. That idea was well received and that example is now live.
At first I wanted to use A* to...
Gwern.net Newsletter
May Gwern.net Newsletter
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
computers are bad
2024-08-31 ipmi
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home,...
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home, here in New Mexico. One of the steps in this process is,
of course, purchasing a new server... the current Big Iron is getting rather
old (probably about a decade!) and here in...
Jonas Hietala
Monaco What's Yours is Mine
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!!
I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing?
Tomorrow...
Notes on software...
What's the big deal about key-value databases like FoundationDB and RocksDB?
Let's assume you're familiar with basic SQL databases like PostgreSQL
and MySQL, and document...
over a year ago
Let's assume you're familiar with basic SQL databases like PostgreSQL
and MySQL, and document databases like MongoDB and Elasticsearch. You
probably know Redis too.
But you're hearing more and more about embedded key-value stores like
RocksDB,
LevelDB,
PebbleDB, and so on....
Louwrentius
The 'hidden' cost of using ZFS for your home NAS
Introduction
Update December 2023:
In June, it was announced that iXsystems would sponsor...
over a year ago
Introduction
Update December 2023:
In June, it was announced that iXsystems would sponsor implementing the VDEV expansion feature. A new pr has been created for this effort. The feature was merged into the code base, but may not be available to the general public before the end...
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...
Louwrentius
Solaris is an obsolete platform
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the...
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the Solaris operating system is obsolete. Solaris can be
considered legacy. Sun was a hardware shop and to sell their hardware, they
needed a great operating system.
Sun had a great...
Notes on software...
Writing a SQL database, take two: Zig and RocksDB
For my second project while learning Zig, I decided to port an
old, minimal SQL database project...
over a year ago
For my second project while learning Zig, I decided to port an
old, minimal SQL database project from Go to Zig.
In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than
my usual), we'll create a basic embedded SQL database in Zig on top of
RocksDB. Other than the...
watchTowr Labs -...
Visionaries Have Democratised Remote Network Access - Citrix Virtual Apps and Desktops...
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive...
a month ago
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive Artifact Generator). This time, it’s in Citrix’s “Virtual Apps and Desktops” offering.
This is a tech stack that enables end-users (and likely, your friendly neighbourhood...
Construction Physics
The Long Road to Fiber Optics
Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
Over the past six decades, advances in computers and microprocessors have completely reshaped our world.
Christian Selig
Autonomous Standing Desk and Chair Review
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair...
a year ago
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair Pro chairs in exchange for posting about them on Twitter, and I wanted to cover them in more detail on my blog as well so I could give my full thoughts on them for anyone in the...
Matt Blewitt
Unreasonably Effective Patterns
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data...
over a year ago
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data services. This post explores three patterns used to reduce operational burden and increase system safety and resiliency: state machines (and associated state-transition tables),...
./techtipsy
The minimum viable fan control script
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as...
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as writing crappy
solutions to make up for
deficiencies on the hardware level. After years of dumb experiments I’ve seen
how little you can get away with in cooling and how to run your...
Good Enough
Cool URLs Don’t Die
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers.
This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
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...
Home on Erik...
I'm looking for data engineers
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers...
over a year ago
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers at Better. You would be the first one to join and would work a lot directly with me.
Some fun things you could work on (these are all projects I'm working on right now):
axio.ms
A small ode to the CRT
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at...
over a year ago
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at 50Hz, or made a loud whistle at 15.625KHz (back when I could still hear it). CRTs just seemed crude, “electro-brutalist” contraptions from the valve era. They were heavy, and...
Notes on software...
How I run a software book club
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We...
6 months ago
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We read through Designing Data-Intensive
Applications, Database
Internals,
Systems
Performance, and
we just started Understanding Software
Dynamics.
The DDIA discussions were...
Abort Retry Fail
The History of Windows NT 4
Taking the Server Market
a year ago
Arduino Blog
ardEEG is an Arduino UNO R4 WiFi shield for measuring biosignals
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount...
7 months ago
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount of progress in reading signals produced by the brain. We may not understand exactly what is going on, but we can see the result and utilize it. And now you can start...
Willem's Blog
The day I killed my LAN
I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
over a year ago
I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
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...
csvbase blog
How does it know I want csv? — An HTTP trick
Forgotten parts of RFC2616
a year ago
Forgotten parts of RFC2616
Willem's Blog
Updating Snake '97
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Louwrentius
Most Technical debt is just bullshit
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to:
cover up bad code
cover up unfinished work
source1
Calling...
Home on Erik...
Some more font links
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Notes on software...
An effective product manager
There are three specific activities I have loved in some product
managers I've worked with (and...
a year ago
There are three specific activities I have loved in some product
managers I've worked with (and missed in others).
tldr;
Talk with customers and prospects
Develop and share a vision
Evangelize
Talk with customers and prospects
As a product manager, your superpower over...
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...
Home on Erik...
Why organizations fail
One of my favorite business hobbies is to reduce some nasty decision down to its absolute core...
over a year ago
One of my favorite business hobbies is to reduce some nasty decision down to its absolute core objective, decide the most basic strategy, and then add more and more modifications as you have to confront the complexity of reality (yes I have very lame hobbies thanks I know).
Willem's Blog
Some thoughts on touch screen user interface design
I am working on a new app involving personal health that requires a natural intuitive interface that...
over a year ago
I am working on a new app involving personal health that requires a natural intuitive interface that works well on touch screens. It's good to check out some best practices for touch UI design
computers are bad
2024-12-11 travelers information stations
Histories of radio broadcasting often make a particular focus on the most
powerful stations. For...
a week ago
Histories of radio broadcasting often make a particular focus on the most
powerful stations. For historic reasons, WBCT of Grand Rapids, Michigan
broadcasts FM at 320¸000 watts. Many AM stations are licensed to operate at
50,000 watts, but this modern license limit represented a...
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine.
I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Jonas Hietala
5 Years at Linköping's University
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
Notes on software...
The case for comments in code
When I first started programming, especially when asked for code
samples, my comments lacked purpose...
over a year ago
When I first started programming, especially when asked for code
samples, my comments lacked purpose and would often duplicate in
English what the code clearly indicated. I knew that "commenting is
good" but as a beginner I had no further insight.
Over time with the help of books...
Posts on Made of...
A Go/C Polyglot
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
latest projects -...
Simsim Pendant
[Concept] Mercurial Medallion
9 months ago
[Concept] Mercurial Medallion
Style over Substance
Create a Hue-compatible DIY LED light sculpture
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art,...
over a year ago
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art, using cheap LED strips and DIY parts you can order online.
The post Create a Hue-compatible DIY LED light sculpture appeared first on Style over Substance.
Notes on software...
Writing a Jinja-inspired template library in Python
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be...
over a year ago
In this post we'll build a minimal text templating library in Python
inspired by Jinja. It will be able to display variables and iterate
over arrays.
By the end of this article, with around 300 lines of code, we'll be
able to create this program:
from pytemplate import...
Notes on software...
A database without dynamic memory allocation
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
Arduino Blog
This machine automatically creates chain art
Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
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