Posts on Made of...
Reader/reader blocking in reader/writer locks
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition...
over a year ago
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition queue, all future accesses block behind any in-flight reads. Thus, if any readers hold the lock for extended periods of time, this can lead to extreme pauses and loss of throughput...
Posts on Made of...
Two kinds of testing
While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Vitalik Buterin's...
[Mirror] Bir Proof of Stake Tasarım Felsefesi
over a year ago
Home on Erik...
Annoying blog post
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which...
over a year ago
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which is an open source C++/Python library for Approximate Nearest Neighbor search.
I set up Travis-CI integration and spent some time on one of the issues that multiple people had...
Notes on software...
The limitations of LLMs, or why are we doing RAG?
This is an external post of mine. Click
here
if you are not redirected.
6 months ago
This is an external post of mine. Click
here
if you are not redirected.
Posts on Made of...
Using Haskell's 'newtype' in C
A common problem in software engineering is avoiding confusion and errors when dealing with multiple...
over a year ago
A common problem in software engineering is avoiding confusion and errors when dealing with multiple types of data that share the same representation. Classic examples include differentiating between measurements stored in different units, distinguishing between a string of HTML...
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
GitButler
Why GitHub Actually Won
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
3 months ago
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
Notes on software...
Controlled HTML select element in React has weird default UX
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Notes on software...
Effective unemployment and social media
Being unemployed can be incredibly depressing. So much
rejection. Everything seems to be out of your...
2 months ago
Being unemployed can be incredibly depressing. So much
rejection. Everything seems to be out of your control. Everything
except for one thing: what you produce.
You might know that repeatedly posting on social media that you are
looking for work is ineffective. That it looks (or...
Home on Erik...
Luigi: complex pipelines of tasks in Python
I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps...
over a year ago
I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps you build complex pipelines of batch jobs, handle dependency resolution, and create visualizations to help manage multiple workflows. It also comes with Hadoop support built in...
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...
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?
Jonas Hietala
The Little Things in Life
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee...
over a year ago
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee together with the morning paper and other times it’s just a small simple smile from a random stranger, kid or dog. Today when I got this bad headache I got saved by a two hour nap and...
Vitalik Buterin's...
Hard Problems in Cryptocurrency: Five Years Later
over a year ago
Notes on software...
Learning a new codebase: hacking on nginx
I have never contributed to nginx. My C skills are 1/10. But
downloading the source, hacking it up,...
over a year ago
I have never contributed to nginx. My C skills are 1/10. But
downloading the source, hacking it up, compiling it, and running it
doesn't scare me. This post is to help you overcome your own fears
about doing so. Not necessarily because you should be running
out-of-tree diffs in...
Arduino Blog
Arduino Nicla Sense Env: adding advanced environmental sensing to a broad range of applications
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of...
2 months ago
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of system-on-modules and sensor nodes, empowering innovators with the tools to unlock new possibilities. This tiny yet powerful sensor node is designed to elevate your environmental...
Abort Retry Fail
The History of Lotus
The Hardest Working Software in the World
a year ago
The Hardest Working Software in the World
Computer Ads from...
Comics from 1982/08 Commodore Computing International Mag
Time for some humor
5 months ago
Applied Cartography
buttondown.com/alternatives
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools...
3 weeks ago
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools to be. There is a ton of room in these markets for healthy and friendly competition — and no need at all for winner-take-all or monopolist attitudes.
First off — credit where it's...
OH8HUB’s Substack
Spring day ham radio activation in Hiastinlahti, Finland
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of...
a year ago
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of Bothnia. This area is a Nature 2000 nature reserve area and good spot for bird watching. The area has a two kilometer long nature trail with fireplace, lean-to and toilet. From the...
Home on Erik...
NYC subway math
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the...
over a year ago
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the subway takes autistic proportions and so obviously I had to analyze some of the data. The documentation is somewhat terrible, but here's some relevant code for how to use the API:
Birchtree
Samsung will release their phone first and still gets accused of copying Apple
Chance Miller on 9to5Mac: Samsung Is Already Working on Its iPhone 17 Air Copycat
Apple is expected...
3 days ago
Chance Miller on 9to5Mac: Samsung Is Already Working on Its iPhone 17 Air Copycat
Apple is expected to release an all-new “iPhone 17 Air” model this year, prioritizing form over function. A new supply chain report today reiterates what to expect from the iPhone 17 Air size and
Notes on software...
Writing a simple JSON path parser
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return...
over a year ago
Let's say we want to implement a simple list filtering language so
we can enter a.b = 12 and return only results in a
list where the a column is an object that contains a
field b that is set to the value 12. What would a
filter(jsonPath, equals, listOfObjects) function...
Applied Cartography
Applied Cartography × Val Town
Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If...
a month ago
Had a blast live-coding some experimentations with Steve and Shovel yesterday using Val Town. (If you haven't used Val, well, watch the stream — think live, zero-deploy code snippets that can be arbitrarily extended and executed.)
Reflecting on the experience, the most exciting...
Posts on Made of...
New Blog Location
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of...
over a year ago
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of scripts.mit.edu. In the process of converting everything over and setting up Wordpress I’ve decided I hate it, but hopefully I hate it less than I hate Blogger. We’ll see.
I’ve also...
Louwrentius
Lion's Disk Utility not compatible with CoreStorage and Filevault
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X...
over a year ago
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X Lion
Time machine partition (I use an external SSD as my main OS)
Bootcamp partition with windows
A data partition containg... data.
The problem is that CoreStorage is too new. Disk...
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...
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
Home on Erik...
When machine learning matters
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to...
over a year ago
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to forget, but Spotify's key differentiator back then was the low-latency playback. People would say that it felt like they had the music on their own hard drive.
Jonas Hietala
Stereotypes
I read a great essay or article about stereotypical programmers called The Little Printf. I really...
over a year ago
I read a great essay or article about stereotypical programmers called The Little Printf. I really couldn’t do it justice so do yourself a favor and go read it. It touches on several types of programmers or rather traits of programmers I recognize in my surroundings and also...
lcamtuf’s thing
Random objects: Intel Edison
A glimpse of the missteps of x86 in the embedded world.
6 months ago
A glimpse of the missteps of x86 in the embedded world.
watchTowr Labs
“To live is to fight, to fight is to live! - IBM ODM Remote Code Execution
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but...
10 months ago
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but there is one that we have not mentioned before, that is - quite frankly - the heavy-weight champion of the world in terms of applications for large enterprises. With over a hundred
Posts on Made of...
Testing and feedback loops
Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model.
As mentioned in an earlier post, I think a lot about working in...
Willem's Blog
Smartwatches vs Mechanical watches
Why I still wear a mechanical watch and why smartwatches have potential.
over a year ago
Why I still wear a mechanical watch and why smartwatches have potential.
Willem's Blog
Using Google Free Android
Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to...
over a year ago
Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to experience its freedom and privacy.
Yazin Alirhayim
Tracking where a WhatsApp user came from
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”.
A problem we faced really early on when connecting to WhatsApp was that...
Home on Erik...
The software engineering rule of 3
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*.
This is what I've noticed:
Don't factor out shared code between two classes.
Good Enough
TIL: Rails Testing
I had to figure out how to run browser-based tests in Rails again. In part that meant working around...
a year ago
I had to figure out how to run browser-based tests in Rails again. In part that meant working around my lack of Chrome. Rails System Tests with Safari.
I also had some problems with Rails Turbo Drive taking over EVERYTHING, which required me to figure out how to deal with a Rails...
Bryan Braun - Blog
Made in 2024
Here are some things I made in 2024:
Music Box Fun: Advanced Editing (a new major feature):
...
6 days ago
Here are some things I made in 2024:
Music Box Fun: Advanced Editing (a new major feature):
Adds multiple-note selection for bulk operations on notes (like deletion, copy/paste, nudging and dragging)
Also includes a “space editor” for arbitrarily adding/removing space...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap
Introduction
Removing the panels
Swapping a Rotary Encoder
Putting it all back together
End...
8 months ago
Introduction
Removing the panels
Swapping a Rotary Encoder
Putting it all back together
End Result
Introduction
I recently bought a TDS 684B for cheap at a government auction. With 1 GHz BW
and 5 Gsps sample rate, it can be used for those cases where my 350 MHz/2Gsps
Siglent...
latest projects -...
Smallest USB-C MIDI Synth
[Hardware] The smallest and silliest MIDI synth yet
a year ago
[Hardware] The smallest and silliest MIDI synth yet
lcamtuf’s thing
Weekend projects: getting silly with C
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
6 months ago
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
Applied Cartography
Klarna: nineteen years, twenty billion kroner
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
a month ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Nabeel S. Qureshi
The Serendipity Machine
Notes on Using Twitter
11 months ago
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...
7 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...
./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...
Jonas Hietala
Laying off Pintos
Exam period is here which means all courses should be wrapping up and a week or so ago we finished...
over a year ago
Exam period is here which means all courses should be wrapping up and a week or so ago we finished up our lab series about pintos. The labs were among the best I’ve had yet and I learned a ton. We didn’t follow the official instructions but we had our own assigmnets....
Simply Explained
Analyzing Link Rot in My Newsletter (After 31 Editions)
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to...
a year ago
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to interesting articles related to science and technology. I thought it would be interesting to analyze how many of those links are still accessible, and how many have succumbed to link rot....
GitButler
GitButler for Windows
The GitButler client is now available natively on Windows.
8 months ago
The GitButler client is now available natively on Windows.
Lighthouse Blog
Introducing Lighthouse - The RSS reader, newsletter reader, and read-it-later app to fight content...
9 months ago
Matt Mullenweg
Falling Snow
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
2 weeks ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989)
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
Ed McCracken and Jim Clark talk about their hardware and the future of 3D
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
computers are bad
2023-03-13 the door close button
This will probably be a short one, and I know I haven't written for a while,
but it has always been...
a year ago
This will probably be a short one, and I know I haven't written for a while,
but it has always been the case that you get what you pay for and Computers
Are Bad is nothing if not affordable. Still, this is a topic on which I am
moderately passionate and so I can probably stretch...
Jonas Hietala
I beat FTL on Hard with all ships in the game
For 2023 I wanted to do something different than usual—I wanted to start playing computer games...
a year ago
For 2023 I wanted to do something different than usual—I wanted to start playing computer games again.
So I gave myself a late Christmas gift and bought a Steam Deck (and like any self-serving gentleman I took care to pitch it as being for my kids) and I started loading it up...
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...
2 months ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Applied Cartography
Notes from May
Lots of writing this month:
Why you should use Rails
A reminder that things take time
How...
7 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...
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos?
A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
A sentiment analysis on the last 20 videos of Kurzgesagt.
Willem's Blog
Is the Apple Watch the modern tool watch?
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
over a year ago
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Jonas Hietala
No game this month
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
latest projects -...
Robot Slide Whistle Orchestrion
[Hardware] Army of Robot Slide Whistles
9 months ago
[Hardware] Army of Robot Slide Whistles
./techtipsy
They make USB-C cables with displays now!
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted...
7 months ago
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted USB-C port. This meant that I had a valid reason to get
a few extra because I didn’t yet have a stockpile of good USB-C cables.
That’s when I found out that there exist cables that...
Old Vintage...
Ward Christensen dies
There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
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...
Computer Ads from...
Creative Computer Publishes Interview with the Guy Behind the Death Star Trench Run (1978)
An Interview With Star Wars Animator Larry Cuba
8 months ago
An Interview With Star Wars Animator Larry Cuba
Willem's Blog
Hello, stranger
"Discover the transformative power of simple conversations in our tech-dominated world, as one...
a year ago
"Discover the transformative power of simple conversations in our tech-dominated world, as one individual delves into the lost art of talking to strangers and the profound connections it can forge."
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Louwrentius
HP Proliant Microserver Gen10 as router or NAS
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine...
over a year ago
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine replaces the older Gen8 model.
For hobbyists, the Microserver always has been an interesting device for a custom home NAS build or as a router.
Let's find out if this is still the case....
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here)
In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
2 months ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers.
Intel, on the other hand, seems to be taking things in a much different, much...
Jonas Hietala
Why make games
Why did I start making games? Because I like to play them of course. Think of all the fantastic...
over a year ago
Why did I start making games? Because I like to play them of course. Think of all the fantastic games; Super Mario, Lemmings, Tetris, GTA, The Sims, Counterstrike, Theme Hospital, SimCity and Rollercoaster Tycoon… Damn - when you count them like this you’ll see how many great...
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...
3 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
RIoT Secure joins Arduino’s SIPP as Gold Partner
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
7 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
Buck on Software
Vertical Aggregation
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
over a year ago
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
Construction Physics
Will the China Cycle Come for Airbus and Boeing?
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
2 months ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Style over Substance
CANARY Corrugated Cardboard Cutter
The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases...
over a year ago
The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases ever. During the COVID-19 lockdowns, we all started shopping online a lot more. The number of cardboard boxes in our house basically quadrupled overnight and cutting them down to size...
Jonas Hietala
rustc: error while loading shared libraries: librustc_driver
I had installed and used rust already but today I fired it up and received:
rustc...
over a year ago
I had installed and used rust already but today I fired it up and received:
rustc --version
rustc: error while loading shared libraries: librustc_driver-7e44814b.so: cannot open shared object file: No such file or directory
I’ve seen this before… I thought modifying...
Birchtree
When do the Trump flags come down? (members post)
The flags are still flying, celebrating the man, not the country. Why is this something that happens...
3 weeks ago
The flags are still flying, celebrating the man, not the country. Why is this something that happens now, and why is it something only happening on one end of the political spectrum?
Lighthouse Blog
How to manage content subscriptions
7 months ago
Birchtree
More YouTube goodies? More YouTube goodies.
Here we go again!
This is a fascinating look at trying to find the biggest tube TV
On the other...
a week ago
Here we go again!
This is a fascinating look at trying to find the biggest tube TV
On the other end of things, here's a QVC presenter destroying a TV live on camera. Cybertruck reveal vibes here too
If you've tried Balatro and haven't
Jonas Hietala
Postmortem: Bugger
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this...
over a year ago
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this monthly game business, but it’s only been two months since I first thought about this and here I am having finished my third game. I’ve really come a long way, in the beginning I...
Posts on Made of...
Test suites as classifiers
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and...
over a year ago
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and maintained test suite.
Considering the patch, we may ask, is this patch acceptable to apply and deploy. By this we mean to ask if the patch breaks any important functionality,...
Neil Madden
A controversial opinion about REST API design
I was just reading yet another article on REST API design guidelines. Some of it is good advice,...
a year ago
I was just reading yet another article on REST API design guidelines. Some of it is good advice, some of it I could quibble with. But several of the rules are about how to design the path hierarchy of your API: use plural nouns, don’t use nested sub-paths unnecessarily, etc. In...
Electronics etc…
Zephyr Ravenna Control Board Replacement
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing...
7 months ago
Blog post that probably has an audience of one, myself.
Introduction
Zephyr Ravenna - Confusing Information
Two PCBs - Control Board & Switch Assembly
Switch of the Breaker!!!
Glass Canopy Removal
Duct Cover Removal
Swapping the Control...
Willem's Blog
Different ways to visualise health
To better understand how to visualise health I looked at different health/fitness apps and games.
over a year ago
To better understand how to visualise health I looked at different health/fitness apps and games.
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...
Arduino Blog
Simplifying IoT for smarter manufacturing: Join the chat with Arduino, AWS, and Atlas Machine
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes...
a month ago
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes feel daunting. But what if you could simplify the process and start seeing results quickly? That’s exactly what we’re going to explore in our upcoming Arduino Cloud Café webinar on...
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
3 months ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Birchtree
Sign up for X to see that amber alert. Yikes
Kate Knibbs writing for Wired: Californians Say X Blocked Them From Viewing Amber Alert About...
8 hours ago
Kate Knibbs writing for Wired: Californians Say X Blocked Them From Viewing Amber Alert About Missing 14-Year-Old
Earlier this week, the California Highway Patrol sent an Amber Alert push notification to phones in the Los Angeles area about a 14-year-old girl that authorities...
Lighthouse Blog
How to rate content and find it again
7 months ago
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...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti)
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
Matt Mullenweg
RIP Quincy Jones
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is...
a month ago
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is amazing. I feel so lucky to have met him in 2012 when I was much earlier in my career, and he didn’t have any reason to give me time, but he treated everyone as if they were...
Jonas Hietala
Habits to start
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system
Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
Birchtree
Apple’s 2024 report card: Apple Watch
This is the fourth in a series of posts reviewing Apple’s 2024 across their major product lines. I...
a week ago
This is the fourth in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s Apple Watch report card here.
Series 10
It’s always fun when we get a new Apple
Odds and Ends of...
Odds and Ends #42: An Elizabeth Line extension, some mad planning law nonsense, and the world's most...
Your regular round-up of interesting links
a month ago
Your regular round-up of interesting links
Jonas Hietala
Microfeatures in my blog
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and...
6 months ago
xkcd: Nerd sniping
A while I ago I encountered a blog post called Microfeatures I Love in Blogs and Personal Websites, and together with the related Hacker News discussion I got nerd sniped.
(I spent more time than I care to admit implementing new and exciting microfeatures for...
computers are bad
2024-01-16 the tacnet tracker
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile...
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile computing."
Today, I want to share a little example. Over the last few weeks, for various
personal reasons, I have been doing a lot of reading about embedded operating
systems and ISAs for...
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
a month ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version.
In it, there’s a song I really love that plays on the level select screen called Gate of Your...
Jonas Hietala
Focusing Attention: Drawing
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
seangoedecke.com RSS...
Mistakes engineers make in large established codebases
Working in large established codebases is one of the hardest things to learn as a software engineer....
5 days ago
Working in large established codebases is one of the hardest things to learn as a software engineer. You can’t practice it beforehand (no…
Louwrentius
Improving web application security by implementing database security
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
Louwrentius
The Raspberry Pi 5 is no match for a tini-mini-micro PC
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable...
6 months ago
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable computer. An ideal home server. Until the Pi 4, the Pi was not that capable, and only with the relatively recent Pi 5 (fall 2023) do I feel the Pi is OK performance wise, although...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
./techtipsy
TOMO M4: probably the coolest power bank I've owned
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting...
a year ago
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting two, and here’s why.
This post is not sponsored.
Removable batteries
Let’s start with the feature that I appreciate the most: removable batteries!
The TOMO M4 accepts up to 4...
Arduino Blog
Can this tiny lawn mower robot cut it in the real world?
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation.
I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different
circuits...
Good Enough
Say hello to Jelly: the simplest way to jam on email as a team
Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten...
6 months ago
Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten much quieter this year than last, across this blog, our newsletter, and socials. We’ve been heads down for the last few months on something new, but we’re now ready to come back up...
Louwrentius
Tracking down a faulty Storage Array Controller with ZFS
One day, I lost two virtual machines on our DR environment after a storage vMotion.
Further...
over a year ago
One day, I lost two virtual machines on our DR environment after a storage vMotion.
Further investigation uncovered that any storage vMotion of a virtual machine residing on our DR storage array would corrupt the virtual machine's disks.
I could easily restore the affected...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Style over Substance
My Home Assistant setup (2023 edition)
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
Jonas Hietala
2018 in review
A new year and a lingering feeling of not having done enough during the year. A fast review of the...
over a year ago
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better.
2018 non-geek achievements
Was on parental leave for about 7 months.
It was great although I’ve been crawling up the walls a little the last...
Louwrentius
Redhat explains why chroot is not a security feature
I came across this Redhat security blog post that explains why the chroot command has it's uses, but...
over a year ago
I came across this Redhat security blog post that explains why the chroot command has it's uses, but it isn't magic security pixie dust. Running an application from within a chrooted jail or just on a well-configured system would result in the same level of security.
Josh...
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
3 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
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...
Vitalik Buterin's...
Don't overload Ethereum's consensus
a year ago
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...
Home on Erik...
hdfs2cass
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
Construction Physics
What Learning by Doing Looks Like
The evolution of polycrystalline diamond drill bits
3 weeks ago
The evolution of polycrystalline diamond drill bits
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...
2 months 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...
Willem's Blog
Commuter bike checkup
This week my trustworthy commuter bike started making strange squeaking noises when braking, time to...
over a year ago
This week my trustworthy commuter bike started making strange squeaking noises when braking, time to have a look at the bike after 21.000KM!
Lighthouse Blog
Deep dive into finding RSS feeds
a month ago
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...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
8 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...
Vitalik Buterin's...
Hard Forks, Soft Forks, Defaults and Coercion
over a year ago
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
Posts on Made of...
How I Write Tests
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
Birchtree
Yet more YouTube videos I've enjoyed recently
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair...
3 weeks ago
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair will be very compelling.
I'm not a big fan of most Apple TV+ shows, but Severance was lovely and I can't wait
Notes on software...
How to recommend books, or, stop recommending SICP
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance...
over a year ago
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance for bad writing and bad editing. I write
this post both to discourage thoughtless recommendations and to
encourage the receivers of bad recommendations.
For software developers,...
anderegg.ca
Maybe Bluesky has “won”
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X....
a month ago
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this...
Vitalik Buterin's...
Two thought experiments to evaluate automated stablecoins
over a year ago
Louwrentius
HighPoint RocketRAID and staggered spinup with Samsung F1
I have experienced problems using a HighPoint RocketRaid 2320 and 2340 when
they are using...
over a year ago
I have experienced problems using a HighPoint RocketRaid 2320 and 2340 when
they are using 'staggered spinup' in combination with Samsung Spinpoint F1, 1
(one) terrabyte disks.
The problem is that the F1 disks spinup very slowly and often seem to 'hang'
while making ticking...
./techtipsy
ThinkPad as a server: third time's the charm
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable...
2 months ago
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable home server?
ThinkPad as a server: the follow-up
Since then, I’ve had quite a few changes to my home server setup:
I put my home server stuff on an IKEA pegboard
I tried the...
computers are bad
2023-10-09 prolific counterfeiting
I'm working on a side project right now, one of several, which involves
telematics devices...
a year ago
I'm working on a side project right now, one of several, which involves
telematics devices (essentially GPS trackers with i/o) from a fairly reputable
Chinese manufacturer. The device is endlessly configurable and so, like you see
with a lot of radios, it has a UART for...
Abort Retry Fail
The Birth of Windows Gaming
Software is a fluid that expands to fill its container
a year ago
Software is a fluid that expands to fill its container
Home on Erik...
More Luigi: Presentation from OSCON
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about...
over a year ago
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about Luigi:
Next week I'm presenting at the NYC Predictive Analytics meetup together with Blake Shaw from Foursquare.
computers are bad
2024-03-17 wilhelm haller and photocopier accounting
In the 1450s, German inventor Johannes Gutenburg designed the movable-type
printing press, the first...
9 months ago
In the 1450s, German inventor Johannes Gutenburg designed the movable-type
printing press, the first practical method of mass-duplicating text. After
various other projects, he applied his press to the production of the Bible,
yielding over one hundred copies of a text that...
Posts on Made of...
CVE-2007-4573: The Anatomy of a Kernel Exploit
CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It...
over a year ago
CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It was a local privilege-escalation vulnerability on all x86_64 kernels prior to v2.6.22.7. It’s very simple to understand with a little bit of background, and the exploit is...
On Life and Lisp
The Federation Fallacy
Throughout the free software community, an unbridled aura of justified mistrust fills the air:...
over a year ago
Throughout the free software community, an unbridled aura of justified mistrust fills the air: mistrust of large corporations, mistrust of governments, and of course, mistrust of proprietary software. Each mistrust is connected by a critical thread: centralisation.
Thus,...
Opsbros
Docker and CumulusMX
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a...
over a year ago
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a Docker container. Let's battle the elements together...
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
a month ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Applied Cartography
How Buttondown uses HAProxy
There are few technical decisions I regret more with Buttondown than the decision to combine the...
4 months ago
There are few technical decisions I regret more with Buttondown than the decision to combine the author-facing app, the subscriber-facing app, and the marketing site all under a single domain. Most technical decisions are reversible with sufficient grit and dedication; this one...
Engineers Need Art
Jigsaw Puzzle
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big...
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
Arduino Blog
This Strandbeest-style coffee table can deliver drinks
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
Matt Blewitt
A Love Letter to Giant Robots
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first...
7 months ago
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first exposure to them was probably through 1994’s BattleTech animated series, where Adam Steiner piloted an AXM-2N Axman, in its frankly ridiculous neon green and purple paint job. And from...
Jonas Hietala
An invisible Remake
What does a guy like me do when not working on a new game? Except living my life, being a coach for...
over a year ago
What does a guy like me do when not working on a new game? Except living my life, being a coach for my little brother’s hockey team and eating strawberries? The last week or so I’ve been working hard with my webpage, yes this page. If you’ve visited my site before today you’ll...
computers are bad
2024-03-27 telephone cables
So let's say you're working on a household project and need around a dozen
telephone cables---the...
9 months ago
So let's say you're working on a household project and need around a dozen
telephone cables---the ordinary kind that you would use between your telephone
and the wall. It is, of course, more cost effective to buy bulk cable, or
simply a long cable, and cut it to length and attach...
Posts on Made of...
Confessions of a programmer: I hate code review
Most of the projects I've been working on today have fairly strict code review policies. My work...
over a year ago
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Birchtree
Somehow, more YouTube gems
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them...
2 weeks ago
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them 😊
I love Answer in Progress, especially Sabrina’s videos, and she gets about as obsessed with anything she’s ever looked at in this episode (and
Vitalik Buterin's...
Sidechains vs Plasma vs Sharding
over a year ago
Willem's Blog
Harvesting boredom to let creativity flourish
What does it mean for my state of mind and creativity if I am no longer be constantly connected to...
over a year ago
What does it mean for my state of mind and creativity if I am no longer be constantly connected to the Internet using a smartphone.
Notes on software...
Writing to be read
There is a common struggle in the writing and maintenance of
documentation, checklists, emails,...
over a year ago
There is a common struggle in the writing and maintenance of
documentation, checklists, emails, guides, etc. Each provides immense
value; a document may be the key to an important process. The goal is
to remove barriers -- to encourage understanding and correct
application of...
Electronics etc…
Making Screenshots of Test Equipment Old and New
Introduction
Screenshot Capturing Interfaces
Hardware and Software Tools
Capturing GPIB data in Talk...
a month ago
Introduction
Screenshot Capturing Interfaces
Hardware and Software Tools
Capturing GPIB data in Talk Only mode
TDS 540 Oscilloscope - GPIB - PCL Output
HP 54542A Oscilloscope - Parallel Port - PCL or HPGL Output
HP Inifinium 54825A Oscilloscope - Parallel Port - Encapsulated...
Louwrentius
Finding a good blu-ray player for Mac OS X
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare.
To play a Blu-ray movie, you have to perform these steps:
right-click on the BDMV file
choose 'show packet contents'
go to...
Home on Erik...
Machine, Platform, Crowd
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters.
Ok, I lied a little bit. I didn't discover it serendipitously.
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9
Two interview from two different time periods
4 months ago
Two interview from two different time periods
Applied Cartography
Against Against Innovation Tokens
Glyph (whose writing and contributions to the Python ecosystem I am deeply grateful for) wrote...
6 months ago
Glyph (whose writing and contributions to the Python ecosystem I am deeply grateful for) wrote Against Innovation Tokens yesterday:
In 2015, Dan McKinley laid out a model for software teams selecting technologies. He proposed that each team have a limited supply of “innovation...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa,
and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s
a new museum around here!
The...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E)
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Louwrentius
Making cowpatty recognize a four-way handshake
I was unable to get cowpatty working with a packet capture that actually
contains a four-way...
over a year ago
I was unable to get cowpatty working with a packet capture that actually
contains a four-way handshake of a WPA session.
I got it working like this:
First, download cowpatty 4.6 right here, within the source directory of
cowpatty.
Extract cowpatty and apply this patch using these...
Jonas Hietala
Let's build a VORON: Bed & electronics
I’ve made a lot of progress on my VORON.
Electronics and other stuff are installed to the degree...
a year ago
I’ve made a lot of progress on my VORON.
Electronics and other stuff are installed to the degree that I’ve begun wiring, but I’m going to separate the wiring into it’s own post.
This will be a short post about bed preparation and installing electronics components.
Feedback from...
On Life and Lisp
The Apple GPU and the Impossible Bug
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Home on Erik...
Blogroll
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is...
over a year ago
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny.
I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years.
On Life and Lisp
Conformant OpenGL 4.6 on the M1
For years, the M1 has only supported OpenGL 4.1. That changes today –
with our release of full...
10 months ago
For years, the M1 has only supported OpenGL 4.1. That changes today –
with our release of full OpenGL® 4.6 and OpenGL® ES 3.2! Install Fedora for the latest
M1/M2-series drivers.
Already installed? Just dnf –refresh
upgrade.
Unlike the vendor’s non-conformant 4.1 drivers, our...
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May!
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
7 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Applied Cartography
Grace notes
I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking...
7 months ago
I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking for:
Eventually, that gesture became one of our steps of service. The host would ask guests, “How’d you get here tonight?” If they responded, “Oh, we drove,” he’d follow up with,...
Posts on Made of...
reptyr: Attach a running process to a new terminal
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an...
over a year ago
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an existing running program and attaching it to a new terminal. Started a long-running process over ssh, but have to leave and don’t want to interrupt it? Just start a screen, use...
lcamtuf’s thing
The 101 of analog signal filtering
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
5 months ago
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon Laplace.
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...
computers are bad
2023-05-07 electrical characteristics of telephone lines
Let's take a break from our boring topic of regional history to focus instead
on an even more boring...
a year ago
Let's take a break from our boring topic of regional history to focus instead
on an even more boring topic: implementation details of telephone lines.
The conventional "copper pair" analog telephone line is fading away. The FCC
has begun to authorize abandonment of copper outside...
./techtipsy
No HDMI port on the ThinkPad T430? No problem!
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is...
6 months ago
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is pretty much obsolete at this point
mini DisplayPort connector on the laptop itself
DVI or DisplayPort on a dock
The mini DisplayPort port has annoyed me for as long as I’ve had this...
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...
8 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...
Push to Prod
How Would You Design Amazon S3?
One of my favorite system design questions from a few years ago and a fascinating thing I learned...
3 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
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...
Jonas Hietala
Postmortem: Jonas IceCream Stand
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it!...
over a year ago
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it! And thanks for the feedback guys, it’s always welcome.
I spent almost exactly fifty hours on this game and that’s by far the most I’ve spent on a 7day project. To be honest it’s...
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...
a month 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
Old Vintage...
The spawn of AtariLab and the Universal Lab Interface
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't...
a year ago
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't mean I was unaware of Atari 8-bits. There was a family at church who had an 800XL and later a 130XE — and a stack of COMPUTE!'s I used to read through for hours — and it was...
Louwrentius
Debian Lenny and Dell R410 network card not supported
For those who are running Debian Lenny and want to order the new Dell R410
server, beware!
There is...
over a year ago
For those who are running Debian Lenny and want to order the new Dell R410
server, beware!
There is no safe solution to get Debian Lenny working with the on-board
Broadcom network cards. A fairly recent kernel is required. Basically, you
will have to install back-ported kernels,...
Computer Ads from...
Intel's Inboard 386/PC
Welcome to the 1990s.
2 months ago
Jonas Hietala
A small LED Cube
As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I...
over a year ago
As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I got started a little with soldering by constructing a small 3x3x3 LED cube.
Although extremely hard to see in this picture it actually worked without a hitch! It’s not the...
Willem's Blog
The best bike computer app: Cyclemeter
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a...
over a year ago
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Home on Erik...
State drift
I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
Willem's Blog
Health and fitness data
Exploring the balance between health data and intuition, this blog post delves into how personal...
11 months ago
Exploring the balance between health data and intuition, this blog post delves into how personal well-being and fitness goals shape our relationship with technology and self-awareness.
Jonas Hietala
Breaking the rule of three
It’s pretty darn stressful making a game in a week, especially when you have this big great vision...
over a year ago
It’s pretty darn stressful making a game in a week, especially when you have this big great vision on how your game should be (which is always grand). For me making Balls, Black and White and Jonas IceCream Stand where truly stressful, MenuCity and Bugger not so much but...
Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
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…
Arduino Blog
Create your own affordable Arduino-powered smart glasses
When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the...
8 months ago
When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the world isn’t ready yet.” Now that more than a decade has passed, the world may finally be ready — especially with the omission of controversial features like video recording. If...
Applied Cartography
Using Cursor to port Django tests to pytest
When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using...
4 months ago
When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using these tools (Supermaven is a pretty heavy part of my day-to-day work), but have found most tools quite bad by the metric of "do they make me more productive on Buttondown's code...
Louwrentius
Building a RAID 6 array of mixed drives
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect...
over a year ago
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect movies in full DVD or HD quality and so I need some
storage.
I decided to build myself a NAS box based on Debian Etch. Samba is used to
allow clients to access the data. The machine...
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...
Jonas Hietala
Speeding Ahead
Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
Push to Prod
4 Ways To Say No, Elegantly and Effectively
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I...
4 months ago
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I evolved to navigate these situations more fluidly.
Arduino Blog
Axiom is Arduino’s newest Gold Integration Partner!
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the...
6 months ago
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the United States, has recently joined our System Integrators Partnership Program. As Gold-level partners, Axiom will supercharge their mission – to empower manufacturers to rapidly...
Jonas Hietala
December Theme: New World Order
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of...
over a year ago
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of this year but that’s something we can’t accept! I’ve done my game and I didn’t force myself out from the Haskell world just to do nuthin so here’s a new little theme for me :)
What...
Louwrentius
Linux: get a list of al disks and their size
To get a list of all disk drives of a Linux system, such as this:
Disk /dev/md0: 58.0 GB
Disk...
over a year ago
To get a list of all disk drives of a Linux system, such as this:
Disk /dev/md0: 58.0 GB
Disk /dev/md1: 2015 MB
Disk /dev/md5: 18002.2 GB
Disk /dev/sda: 60.0 GB
Disk /dev/sdb: 60.0 GB
Disk /dev/sdc: 1000.1 GB
Disk /dev/sdd: 1000.1 GB
Disk /dev/sde: 1000.1 GB
Disk /dev/sdf: 1000.1...
Louwrentius
Do not buy a hardware RAID controller for home use
Hardware RAID controllers are considered 'the best' solution for high
performance and high...
over a year ago
Hardware RAID controllers are considered 'the best' solution for high
performance and high availability. However, this is not entirely true. Using a
hardware RAID controller might even endanger your precious data.
For enterprise environments, where performance is critical, it is...
Style over Substance
Using the EZCOO / AVStar HAE118 HDMI2.1 Audio Extractor for PS5/Xbox audio
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out...
a year ago
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out of this console meant we also had to buy a new TV, as our old TV was not 4K-compatible and did not support HDMI2.1, the new A/V standard required to support all of the PS5’s...
Notes on software...
Is it worth writing about?
You acquire a skill or experience through time and effort,
then downplay the impact of writing and...
over a year ago
You acquire a skill or experience through time and effort,
then downplay the impact of writing and sharing the learning
process.
Professionals seem naturally to imagine a high bar for what
is worth writing about.
I think that's misguided. This article is not criticism of folks...
Arduino Blog
3D printing an affordable robot arm
If you have an interest in robotics, then a robot arm is a great educational tool to start your...
5 months ago
If you have an interest in robotics, then a robot arm is a great educational tool to start your journey. But professional robot arms are expensive and the DIY route is more informative anyway. That’s especially true if you take the time to design the arm yourself, as did Oliver...
Willem's Blog
Realtime service uptime monitoring
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to...
over a year ago
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to discover problems as soon as possible! Know about problems before your customers do!
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.
computers are bad
2024-08-12 a pedantic review of the las vegas loop
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty...
4 months ago
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty universally known by now that the "Las Vegas Loop" is
impractical, poorly thought out, and generally an embarrassment to society and
industry. I will spare an accounting of the...
./techtipsy
How I blew up my backup server (Valve pls fix)
It all started with me getting a Steam Deck.
Background
After getting familiar with the Steam Deck...
a year ago
It all started with me getting a Steam Deck.
Background
After getting familiar with the Steam Deck and how the Proton compatibility layer works, I decided to write a
backup script that would back up everything in the home folder, excluding the Steam games themselves due to the...
Good Enough
Beware of Free Software
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
Beware of free pizza
If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it.
And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Jonas Hietala
Ludum Dare 29 Entry
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally...
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something.
Repository: https://github.com/treeman/LD29. Going for C++ this...
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.
Old Vintage...
An Apple district manager's Macintosh Portable in 1989-91 (featuring GEIS AppleLink and a look at...
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than...
10 months ago
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than what it has on it: a beta version of System 6.0.6 (the doomed release that Apple pulled due to bugs), Apple sales databases, two online services — the maligned Mac Prodigy client,...
Jonas Hietala
2019 in Review
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on...
over a year ago
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on the past year, and see that I did indeed do some things, and to look ahead a little.
2019 Non-Geek Achievements
Played around with Isidor.
It’s hard to describe how happy a kid can...
Posts on Made of...
Navigating the Linux Kernel
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way...
over a year ago
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way around the Linux kernel. I’m not sure I have much in the way of systematic advice for tracking down the answers to questions about the Linux kernel, but thinking about what I do when...
Vitalik Buterin's...
Governance, Part 2: Plutocracy Is Still Bad
over a year ago
Posts on Made of...
Performance engineering, profilers, and seeing the invisible
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of...
a year ago
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of Expertise” by Gary Klein and Robert Hoffman. It’s excellent and I recommend you read it when you have a chance.
Klein and Hoffman discuss the ability of experts to “see what is not...
Posts on Made of...
Distributed cloud builds for everyone
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Arduino Blog
Kick off the Monaco Grand Prix weekend with these Formula 1-inspired Arduino projects
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the...
7 months ago
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the season. While most fans can’t participate directly — except as spectators — they can celebrate their passion through DIY projects. That’s why we’ve scoured the community to find the...
Applied Cartography
A good H1
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we...
a month ago
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we arrived at our current iteration, which is the anodyne yet pointed Email for you. Yes, you.
Historically, we've called Buttondown a 'newsletter tool' — the h1 before this was 'The...
Notes on software...
Errors and Zig
At TigerBeetle these last few weeks I've been doing a mix of
documenting client libraries, writing...
a year ago
At TigerBeetle these last few weeks I've been doing a mix of
documenting client libraries, writing sample code for client
libraries, and writing integration tests against the sample code.
The client library documentation is generated with a Zig script. The
sample code is...
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...
Willem's Blog
The Ultimate Freedom Bike
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and...
over a year ago
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and wherever you please!
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.
Abort Retry Fail
The History of Commodore, Part 1
Chuck Peddle, the 6502, MOS, and the PET
a year ago
Chuck Peddle, the 6502, MOS, and the PET
Home on Erik...
We're hiring at Better
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
over a year ago
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
Arduino Blog
A desktop-sized DIY vending machine for your room
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive...
6 months ago
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive and too bulky to fit in most homes. But now you can experience vending bliss thanks to this miniature vending machine designed by m22pj, which you can craft yourself using an...
Applied Cartography
Au revoir, Invoke
It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we...
7 months ago
It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we unshipped the last remaining Invoke commands and ported them over to just.
I think Invoke is a good, cool project, and I wish it well. If you're at the precise intersection of "you have...
Jonas Hietala
Netrunner Spring Tournament
There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very...
over a year ago
There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very casual setting but there were also some guys who came from… Västerås I think, but I’m not sure. We managed to scrape together 9 people at least, and I didn’t notice anyone bringing...
Posts on Made of...
Why node.js is cool (it's not about performance)
For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Willem's Blog
The joy of a simple laptop
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the...
over a year ago
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the experience!
Louwrentius
Understanding Storage Performance - IOPS and Latency
Introduction
The goal of this blogpost is to help you better understand storage performance. I want...
over a year ago
Introduction
The goal of this blogpost is to help you better understand storage performance. I want to discuss some fundamentals that are true regardless of your particular needs.
This will help you better reason about storage and may provide a scaffolding for further learning....
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...
Nabeel S. Qureshi
How To Understand Things
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
over a year ago
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
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...
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...
2 months 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...
Vitalik Buterin's...
Degen communism: the only correct political ideology
9 months ago
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
Avestura's Blog
Creating a Git commit: The Hard Way
Let's create a Git commit using Git's low-level (plumbing) commands
4 months ago
Let's create a Git commit using Git's low-level (plumbing) commands
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...
Notes on software...
Book Review: ANSI Common Lisp
Score: 4.5 / 5
Paul Graham and his editor(s) are excellent. His prose is light and
easy to follow....
over a year ago
Score: 4.5 / 5
Paul Graham and his editor(s) are excellent. His prose is light and
easy to follow. The only awkward component of the book's organization
is that he tends to use a concept one section before explicitly
introducing and defining that concept. I'm not sure yet if this...
Jonas Hietala
8-puzzle in rust
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a...
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal.
The solution is not by any means a...
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the...
over a year ago
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Avestura's Blog
An opinion on what's a good general-purpose programming language
What features should a programming language have to be ideal, in my opinion?
over a year ago
What features should a programming language have to be ideal, in my opinion?
Push to Prod
When Things Are Slow, Look for Queues
When your system is slower than desired, queues are often heavily involved. Here's an overview of...
4 months ago
When your system is slower than desired, queues are often heavily involved. Here's an overview of the most common situations.
anderegg.ca
Halls of Torment: a thematically questionable downtime game
Merry Christmas and happy holidays! I hope everyone out there has a joyful and relaxing day, however...
a week ago
Merry Christmas and happy holidays! I hope everyone out there has a joyful and relaxing day, however you celebrate. During the downtime I got to play a game I’d been wanting to try for a while.
Last summer on The Besties podcast, Russ Frushtick mentioned that he was enjoying...
Odds and Ends of...
How to fix The Observer
Slow news is good news?
a month ago
Notes on software...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a...
over a year ago
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a database/sql driver
In this series we'll write a rudimentary database from
scratch in Go. Project source code is available on
Github.
In this first post we'll build enough of a parser to...
Louwrentius
Some pretty NAS case designs
If you are planning on building your own NAS box, I have some suggestions
regarding the case.
In my...
over a year ago
If you are planning on building your own NAS box, I have some suggestions
regarding the case.
In my opinion, most computer case designers have absolutely no taste.
Antec and Lian Li do create nice cases, but not that spectacular. And Lian Li is
just very expensive. A fairly new...
Louwrentius
WFS - WAN Failover Script now available
Since I could not find a WAN failover script for Linux to my likening, I wrote
one myself. If you...
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote
one myself. If you have any use for it: I put it on a Google code project.
WFS tests the availability of your primary WAN connection and switches to your
secondary / backup connection when a failure is...
Louwrentius
The ZFS Event Daemon on Linux
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the...
over a year ago
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the MDADM daemon took care of that.
With the release of ZoL 0.6.3, a brand new 'ZFS Event Daemon' or ZED has been introduced.
I could not find much information about it, so consider...
Notes on software...
Implementing the Raft distributed consensus protocol in Go
As part of bringing myself up-to-speed after joining TigerBeetle, I
wanted some background on how...
a year ago
As part of bringing myself up-to-speed after joining TigerBeetle, I
wanted some background on how distributed consensus and replicated state
machines protocols work. TigerBeetle uses Viewstamped
Replication. But I
wanted to understand all popular protocols and I decided to start...
Arduino Blog
A beautiful custom calculator built with IV-12 VFD tubes
Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many...
7 months ago
Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many years, because their distinct orange glow carries a lot of vintage appeal. But VFD (vacuum fluorescent display) tubes have been gaining in popularity recently and have different —...
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...
heavymeta.org
CrowdStrike's Impact on Aviation
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity
company CrowdStrike...
5 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...
Willem's Blog
Talking tablets: what makes a great tablet?
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
anderegg.ca
A look back at 2024, and what’s next for 2025
At the end of last year, I wrote about wanting to focus on the web in 2024. How did that shake...
a week ago
At the end of last year, I wrote about wanting to focus on the web in 2024. How did that shake out?
Top level stats
I considered 2023 the first year that I honestly tried getting back into blogging. My goal then was to post something every month, and I managed that with 14 posts...
Neil Madden
From KEMs to protocols
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
Vitalik Buterin's...
My 40-liter backpack travel guide
over a year ago
Louwrentius
'Improved' image gallery for Blogofile
This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports...
over a year ago
This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports a small image gallery that has been written to illustrate how to create your own 'controllers' or Blogofile plugins.
My Python skills are horrible buy I managed to improve a bit...
computers are bad
2024-04-26 microsoft at work
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to...
8 months ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to apologize, but I do feel a little bad. Part of it is just that
I've been busy, with work and travel and events. Part of it is that I've
embarked on a couple of writing projects only to...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers.
In fact, they weren't displaying in my own feed reader, which routes through Feedly.
I was sad.
I spent a lot of time troubleshooting this.
Compared our feed with a lot of atom...
Posts on Made of...
Tracking down a memory leak in Ruby's EventMachine
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services....
over a year ago
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services. Over the last several months, we’ve known that one such service suffered from a gradual memory leak, that would cause its memory usage to gradually balloon from a normal ~50MB to...
Home on Erik...
The eigenvector of "Why we moved from language X to language Y"
I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I...
over a year ago
I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I forgot which one) and I started wondering if you can generalize it a bit. Is it possible to generate a N * N contingency table of moving from language X to language Y?
Arduino Blog
Hey Google! Meet Arduino Cloud
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
7 months ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions. This new...
csvbase blog
Caching secrets of the HTTP elders, part 1
ETags - an elegant weapon, for a more civilised age
8 months ago
ETags - an elegant weapon, for a more civilised age
Jonas Hietala
A Nice Weekend
I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and...
over a year ago
I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and sleeping until at least 10 the last days. My inner night-owl is very happy about it, my early-rising girlfriend perhaps not as much, but I think she’s a bit understanding?
On Saturday we...
Jonas Hietala
My MCU movie ranking
I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge...
over a year ago
I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge MCU fan before doing the same re-watch for Infinity War, but after that I became one.
For fun I tried to rank the movies as I saw them, this is some sort of accounting my rankings...
Vitalik Buterin's...
Gitcoin Grants Round 9: The Next Phase of Growth
over a year ago
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...
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...
Applied Cartography
You should build this:
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that...
2 months ago
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that I'd like to build. This was a good idea and useful in its own right (I got a few people to build companies and projects based on them, and it was a useful avenue by which folks...
Home on Erik...
Stuff that bothers me: “100x faster than Hadoop”
The simple way to get featured on big data blog these days seem to be
Build something that does 1...
over a year ago
The simple way to get featured on big data blog these days seem to be
Build something that does 1 thing super well but nothing else Benchmark it against Hadoop Publish stats showing that it's 100x faster than Hadoop $$$ Spark claims their 100x faster than Hadoop and there's a...
Applied Cartography
Auth.js + Square
Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the...
7 months ago
Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the periphery of your understanding, and a Third South project has led me to spin up a small Next project using Bun [1] and Auth.js (nee next-auth), which has been quite bad and I...
Jonas Hietala
My Dream Game: The RTS
Even if there are a million great games there’s one that has a very special place in my heart:...
over a year ago
Even if there are a million great games there’s one that has a very special place in my heart: Supreme Commander. It’s not the game I’ve played the most and there might even be games which are better and more fun but supcom was the game that introduced me to competitive gaming...
Home on Erik...
Miscellaneous unsolicited (and possibly biased) career advice
No one asked for this, but I'm something like ~12 years into my career and have had my fair share of...
over a year ago
No one asked for this, but I'm something like ~12 years into my career and have had my fair share of mistakes and luck so I thought I'd share some.
Honestly, I feel like I've mostly benefitted from luck.
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother
Web 3.0 was not about the blockchain, thank god
4 months ago
Web 3.0 was not about the blockchain, thank god
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...
Notes on software...
One year as a solo dev building open-source data tools without funding
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
ZFS RAIDZ expansion is awesome but has a small caveat
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The...
over a year ago
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Louwrentius
Release of PPSS - the Parallel Processing Shell Script
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use...
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use of the current multi-core CPUs. It will detect the number
of available CPUs and start a thread for each CPU core.
This script is build with the goal to be very easy to use. Also,...
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a...
over a year ago
Next in exploring PL/pgSQL:
Implementing a Forth-like interpreter
PostgreSQL comes with a builtin imperative programming language called
PL/pgSQL. I used to think this language was scary because it has a bit
more adornment than your usual language does. But looking deeper,...
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...
Birchtree
The “Bluesky feels like early Twitter!” vibe
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
a month ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Posts on Made of...
How is duct tape like the force?
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con...
over a year ago
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con again, I needed to do something in terms of costuming, and I wanted it to be something unique – I wasn’t going to come anywhere near as epic as some of the costumes people pull...
lcamtuf’s thing
A 15-minute intro to involute gears
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their...
a month ago
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their shape?
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...
GitButler
The New Era of Town Hall Chat
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
4 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Odds and Ends of...
We need more than Westminster reporters to understand government
Lobby correspondent hegemony is bad.
4 weeks ago
Lobby correspondent hegemony is bad.
Jonas Hietala
Building my ultimate keyboard
The Cybershard keyboard.
What comes to mind when you see the description “the ultimate...
a month ago
The Cybershard keyboard.
What comes to mind when you see the description “the ultimate keyboard”?
There are many keyboards in this world; here are some that might fit the “ultimate” moniker:
Das Keyboard 4 Ultimate mechanical keyboard
DataHand
Ergodox EZ
Glove80
Happy...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
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