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Simply Explained
Securely access home network with Cloudflare Tunnel and WARP When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to...
over a year ago
6
over a year ago
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to strengthen the security of my Home Assistant instance. Until now, I have been using Cloudflare's CDN to connect to my HA instance, but that required opening ports on my router and...
Willem's Blog
How to use rsync to make backups In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
5
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
csvbase blog
You can't just assume UTF-8 How to infer character encodings with statistics
8 months ago
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
8
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...
Jonas Hietala
It's Time for More School Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first...
over a year ago
4
over a year ago
Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first week and an absolutely smacked schedule. If that wasn’t enough I also have a mentor time to prepare for and I need to start Taekwon-do again. On another note Ḯ’m currently plowing...
latest projects -...
Analemmagraph [Concept] Video of a day, one year in every frame
a year ago
Home on Erik...
Running Theano on EC2 Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning...
over a year ago
6
over a year ago
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), and compiles it down into bytecode to run...
Posts on Made of...
What's with ML software and pickles? I have spent many years as an software engineer who was a total outsider to machine-learning, but...
a year ago
7
a year ago
I have spent many years as an software engineer who was a total outsider to machine-learning, but with some curiosity and occasional peripheral interactions with it. During this time, a recurring theme for me was horror (and, to be honest, disdain) every time I encountered the...
./techtipsy
Monitoring energy usage with smart plugs, Prometheus and Grafana This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup...
8 months ago
123
8 months ago
This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup as those types of guides tend to get out of date really easily, but if you know your way around Linux and the command line, then you can definitely replicate this setup on your...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA) When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
5
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Home on Erik...
What I have been working on: Modal Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
4
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID Just a quick link: Some person build basically the same setup, including identical...
over a year ago
6
over a year ago
Just a quick link: Some person build basically the same setup, including identical controller, providing 28 TB of storage: Take a look here The main difference is that this person uses 1.5 TB disk, thus achieving more storage.
Matt Mullenweg
Those Other Lawsuits It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited...
2 months ago
8
2 months ago
It’s a heavy day, and I’m sad to write this. Not sure where to start. In 2022, a lawyer recruited two people who took care of my Mom—an assistant and one of her dozen nurses—to resign and demand a million dollars each, or they would publish horrible things about her in a lawsuit....
Jonas Hietala
Minecraft Server Hosting I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
4
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
lcamtuf’s thing
Electric chainsaws and the gorge of misery Lithium batteries are great -- so why do mid-size electric power tools suck in 2024?
5 months ago
Lighthouse Blog
Updates April 05
9 months ago
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to...
4 months ago
58
4 months ago
Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to GPS The GPS Week Number Rollover Issue Making the Furuno GT-8031 Work Again How It Works Build Instructions Power Supply Recapping The Future: A Software-Only Solution The...
Bryan Braun - Blog
One Million Checkboxes and the fear of viral success When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If...
5 months ago
4
5 months ago
When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If you haven't heard of One Million Checkboxes, see the Wikipedia article for more details. I loved everything about One Million Checkboxes. It was simple but strangely compelling....
Abort Retry Fail
The History of Windows 2.0 Success and Litigation
a year ago
Vitalik Buterin's...
Sharding FAQ
over a year ago
Vitalik Buterin's...
Why we need wide adoption of social recovery wallets
over a year ago
Posts on Made of...
Some musings on ORMs I’m pretty sure every developer who has ever worked with a modern database-backed application,...
over a year ago
6
over a year ago
I’m pretty sure every developer who has ever worked with a modern database-backed application, particularly a web-app, has a love/hate relationship with their ORM, or object-relational mapper. On the one hand, ORMs are vastly more pleasant to work with than code that constructs...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 6: The Splurge
2 months ago
Jonas Hietala
Slackware update The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my...
over a year ago
7
over a year ago
The last time I (re)installed Slackware I documented what I did. Somehow I managed to really bork my installation and I decided to go through with a larger reinstallation once more. This is a log of some things I did differently. Kernel Before installing the kernel it’s nice to...
Good Enough
Season 1, Issue 5: Promotes Regularity Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each...
over a year ago
4
over a year ago
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each have at least two children in our homes, begging for attention. And we each truly appreciate extended breaks as a means of reinvigorating ourselves to the ever important task of...
Willem's Blog
Using the reMarkable paper tablet The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
6
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Applied Cartography
Gosling’s Old Rum Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from...
11 months ago
7
11 months ago
Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from [REDACTED], a site on which I am very prone to judging a book by its cover; every month I'll end up purchasing a bottle of something purely because it looks interesting and I can...
Louwrentius
1.0 GB/s using Linux software RAID I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I...
over a year ago
6
over a year ago
I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I immediately performed some initial tests with software RAID 0. The results are just astounding. debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000 50000+0 records in 50000+0...
Home on Erik...
Snakebite Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
7
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf. Spotify's developer blog features a nice blog post outlining what...
Gwern.net Newsletter
October 2020 news October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization &...
over a year ago
5
over a year ago
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization & improvement.
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
7
over a year ago
I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what happened. Disclaimer: My memory is a little bit fuzzy and the events may or may not correspond to what actually happened. The draft The idea was to randomly sort all entrants and...
Willem's Blog
Solo around the Markermeer (211KM) This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
4
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
2 months ago
39
2 months ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
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
4
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...
computers are bad
2023-01-16 huff-duff We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an...
a year ago
61
a year ago
We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an extremely useful property of HF radio here is that HF frequencies can reflect off of the upper layers of the atmosphere, causing them to rebound towards earth at a range much further...
Simply Explained
Howto Virtualize Unraid on a Proxmox host Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already...
over a year ago
6
over a year ago
Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already using Proxmox and if you want to use Unraid as a NAS.
Louwrentius
Why VMware vSphere replication is changing the game If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
7
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure. SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
7
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…
Applied Cartography
Against Against Innovation Tokens Glyph (whose writing and contributions to the Python ecosystem I am deeply grateful for) wrote...
6 months ago
5
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...
Jonas Hietala
Plans for Summer of Code My first summer job is now over, and after a weekend of rest, it is now time to plan for my second...
over a year ago
7
over a year ago
My first summer job is now over, and after a weekend of rest, it is now time to plan for my second summer job: IDA Summer of Code. I will work a month, or 4 weeks, with contributing to rust! The only issue is, I have no idea where to start. I didn’t have a strict plan or a vision...
Louwrentius
Core i7 920 @ 3,6 Ghz is a true beast! Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a...
over a year ago
6
over a year ago
Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a different kind. First, it is not only clocked at a higher speed (default 2,8 Ghz), it is also a quad-core processor. Thanks to the re- introduction of hyperthreading, this processor...
Home on Erik...
Exploding offers are bullshit I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I...
over a year ago
6
over a year ago
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I never put a deadline on any of them. Unfortunately, I've often ended up competing with other companies who do, and I feel really bad that this usually tricks younger developers...
Jonas Hietala
Speeding Ahead Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
5
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...
Applied Cartography
Notes on 'Founder Mode' / Lieutenancy In Paul Graham’s latest essay, he writes: The theme of Brian's talk was that the conventional wisdom...
4 months ago
4
4 months ago
In Paul Graham’s latest essay, he writes: The theme of Brian's talk was that the conventional wisdom about how to run larger companies is mistaken. As Airbnb grew, well-meaning people advised him that he had to run the company in a certain way for it to scale. Their advice could...
Notes on software...
Implementing a simple jq clone in Go, and basics of Go memory profiling In this post we'll build a basic jq clone in Go. It will only be able to pull a single path out of...
over a year ago
7
over a year ago
In this post we'll build a basic jq clone in Go. It will only be able to pull a single path out of each object it reads. It won't be able to do filters, mapping, etc. $ cat large-file.json | head -n2 | ./jqgo...
Louwrentius
'A Moment Of Silence: OpenSolaris Is Dead' The last release of OpenSolaris dates back to July 2009. The next release was scheduled for March...
over a year ago
4
over a year ago
The last release of OpenSolaris dates back to July 2009. The next release was scheduled for March 2010, but Oracle did not release anything. It is dead silent around OpenSolaris. On 12 July 2010, the OpenSolaris Government Board sent out an ultimatum to Oracle: "please...
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
7
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...
Arduino Blog
Innovative new tactile sensor helps assess fine motor skills Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s...
7 months ago
69
7 months ago
Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s motor skills can be critical in diagnosing and treating a variety of conditions. But objective evaluation has been a challenge, as suitable sensors weren’t available. To help...
Birchtree
Gemini 2.0: speed and deep research impress From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era Today...
4 weeks ago
13
4 weeks ago
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era Today we’re excited to launch our next era of models built for this new agentic era: introducing Gemini 2.0, our most capable model yet. With new advances in multimodality —
./techtipsy
My experience at the k-space hackerspace hackathon k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in...
a year ago
38
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no expectations about building a business or coming up with an MVP, just come on down to the space and start working on...
Abort Retry Fail
The History of Windows 1.0 Vaporware
a year ago
Louwrentius
Why I do not use ZFS as a file system for my NAS Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I...
over a year ago
4
over a year ago
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I have multpile reasons why I do not use ZFS and probably never will. ** A lot has changed since this article was first published. I do now recommend using ZFS. I've also based my...
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
over a year ago
Home on Erik...
Scala Data Pipelines for Music Recommendations Chris Johnson‘s presentation from Data Day Texas:
over a year ago
Good Enough
TIL: Blocking Password App Autocomplete on Form Fields I wanted to disable password managers, particularly 1Password, from interacting with a username...
a year ago
7
a year ago
I wanted to disable password managers, particularly 1Password, from interacting with a username field in Contact Me. It was pretty simple in the end: <%= form.text_field :username, "data-lpignore": true, "data-1p-ignore": true %> Reference: 1Password, Lastpass.
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
4
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
Old Vintage...
Ward Christensen dies There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
37
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...
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library! Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
3 months ago
30
3 months ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
Vitalik Buterin's...
Fast Fourier Transforms
over a year ago
Notes on software...
Writing a document database from scratch in Go: Lucene-like filters and indexes In this post we'll write a rudimentary document database from scratch in Go. In less than 500 lines...
over a year ago
2
over a year ago
In this post we'll write a rudimentary document database from scratch in Go. In less than 500 lines of code we'll be able to support the following interactions, inspired by Elasticsearch: $ curl -X POST -H 'Content-Type: application/json' -d '{"name": "Kevin", "age": "45"}'...
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
5
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
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
5
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...
Home on Erik...
Luigi Presentation @ NYC Data Science, Dec 16, 2014 More Luigi presentations!
over a year ago
Willem's Blog
Minimalistic road bike with Gates carbon drive For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX...
over a year ago
7
over a year ago
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX Carbon Drive, read about this beautiful minimal bike in this post.
Construction Physics
Why the U.S. Can’t Build Icebreaking Ships I want to say thank you to all the people who sent condolences following last week’s post,...
3 months ago
57
3 months ago
I want to say thank you to all the people who sent condolences following last week’s post, especially those who shared their own stories of loss.
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP...
over a year ago
4
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP connection. UPDATE July 2011 Due to hardware problems, I was not able to achieve transfer speeds beyond 150 MB/s. By replacing a network card with one from another vendor (HP...
Jonas Hietala
Autumn 2016 Goals Retrospective Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few...
over a year ago
6
over a year ago
Earlier this year I set out some goals I wanted to accomplish this autumn. I accomplished a few things and I failed others. Exercise and Health Eat more strict LCHF for 1 month ok Train BJJ or MMA for 1 month ok 2 months of lifting at the gym ok Powerlifting 100 kg deadlift 5x5...
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year ago
./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
78
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...
Jonas Hietala
Black and White Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a...
over a year ago
6
over a year ago
Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a game where graphics where included into the gameplay but sadly it didn’t come out nearly as good as I expected it too. Yes I know there are a lot of things bad and wrong with this...
axio.ms
Internet of kitchen lighting, with OSC This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say...
over a year ago
6
over a year ago
This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
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...
6 days ago
12
6 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
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
6
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal. The solution is not by any means a...
Jonas Hietala
Grand Thief Arto Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with...
over a year ago
4
over a year ago
Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with some fairly cool ideas. Grand Thief Arto Instructions Your goal is to collect loot until you can escape through the entry point when you’ve collected enough to complete the...
Louwrentius
Setting up a Jabber instant messaging server |_http-title: Site doesn't have a title (text/html;... I wanted to see how dificult it is to setup an instant messaging server based on open source...
over a year ago
7
over a year ago
I wanted to see how dificult it is to setup an instant messaging server based on open source software. Now I know that it is very easy, unless you are stubborn and do things your own way. In this example, I'm setting up a small IM server that is only for internal company use, but...
Lighthouse Blog
How to combine multiple RSS feeds in one view
7 months ago
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
5
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...
Giving more tools to software engineers: the reorganization of the factory It's a popular attitude among developers to rant about our tools and how broken things are. Maybe...
over a year ago
4
over a year ago
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe I'm an optimistic person, because my viewpoint is the complete opposite! I had my first job as a software engineer in 1999, and in the last two decades I've seen software engineering...
Home on Erik...
The lane next to you is more likely to be slower than yours Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any...
over a year ago
5
over a year ago
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any Faster The article describes a phenomenon unique to traffic where cars spread out when they go fast and get more compact when they go slow.
Jonas Hietala
The Top Idea Recently I’ve been having a dozen ideas and projects I’ve been poking around with: I wrote a simple...
over a year ago
7
over a year ago
Recently I’ve been having a dozen ideas and projects I’ve been poking around with: I wrote a simple lua, later perl, which announced when a new day9 episode has come. Later I expanded it to search for new manga episodes, but now it’s broken and unfinished. In an attempt to learn...
./techtipsy
How I treat my urge to hoard data The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized...
over a year ago
34
over a year ago
The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized that the pursuit to hoard all the things will just keep on consuming more and more of my time and money. Storage is cheap up until to a point, once you find yourself tracking hard...
Avestura's Blog
Hiding a photo inside another photo How to hide a small photo inside a larger photo?
over a year ago
Notes on software...
SQLite in Go, with and without cgo This is an external post of mine. Click here if you are not redirected.
over a year ago
./techtipsy
OpenWRT, ISP modem and dynamic IP addresses: how to fix connectivity issues without rebooting your... My current ISP provides an internet connection over a copper wire. To use it, I have a crappy modem...
7 months ago
138
7 months ago
My current ISP provides an internet connection over a copper wire. To use it, I have a crappy modem (Technicolor CGA2121, DOCSIS 3.0). It’s running in bridge mode, meaning that all it does is convert the signal running over the coax cable into plain old Ethernet. My main...
Jonas Hietala
Minor site updates As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
4
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp...
over a year ago
6
over a year ago
In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp specifically), I tried to get a simple (but realistic) web app running. After four days and a patch to ABCL I got something working. The code I had in mind would look something like...
Opsbros
The past lives again! I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
8
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
axio.ms
32-bit hat, with LEDs Built in November 2015 (now-traditional multi-year writeup delay applied) A hat,...
over a year ago
7
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied) A hat, bejewelled with 38 RGB LEDs Is this thing on..? It’s been a while since I’ve written one of these. So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
Arduino Blog
Marble art madness from a marvelous machine Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all...
3 months ago
24
3 months ago
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all sorts of neat colors. That last characteristic makes them suitable for artwork, like orbicular pixels. In his most ambitious project to date, Engineezy took advantage of those...
anderegg.ca
Trying out GoodLinks The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering...
2 weeks ago
34
2 weeks ago
The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering Christmas-mode, and have been looking for a better way to capture things I want to look at later. I’ve had this issue before, but solved it in an ad-hoc way. Previously I’d made...
Posts on Made of...
Efficiency trades off against resiliency What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from...
a year ago
4
a year ago
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from a well-designed and well-run service, what CPU utilization should we hope to see, averaged over a day or two? It’s a very general question, and it’s not clear it should have a...
axio.ms
Maths is Fun and Useful but Lasers Are More So Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a...
over a year ago
7
over a year ago
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a perl script for the shape template. For cultural reasons, I wanted to make a gift out of paper and it had to be Heaps Good. I had finally got access to a laser cutter (omgomg)...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
40
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Jonas Hietala
Summer job at Configura This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had...
over a year ago
4
over a year ago
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had two teams doing different things. I worked with two other awesome guys and it was great! The Premise We had two assignments this summer. One was to create an optimized version of...
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
11 months ago
6
11 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Notes on software...
Delightful, production-grade replication for Postgres This is an external post of mine. Click here if you are not redirected.
5 months ago
Applied Cartography
Things take time Things take time. Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi...
8 months ago
5
8 months ago
Things take time. Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi Nintendo & Co., LTD — was established nearly fifty years later, in 1933. They spent forty years selling playing cards, then another decade operating merely as a distributor of...
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
Home on Erik...
What's up with music recommendations? I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
6
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies. Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
csvbase blog
Caching secrets of the HTTP elders, part 1 ETags - an elegant weapon, for a more civilised age
8 months ago
Applied Cartography
Keeping a technical edge Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss...
4 months ago
6
4 months ago
Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss of being at a large company, which is dealing with deeply cutting-edge technical problems, but my ability to analyze information, make decisions, and perform at a high-level has...
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
76
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
Louwrentius
Additional proof that Apple is ditching the optical drive I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
4
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present. In my life, I never see people use the optical...
seangoedecke.com RSS...
Avoiding worry driven development Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
9
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
5 months ago
5
5 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Push to Prod
When Overwhelmed, Make a List of Questions In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
5 months ago
Bryan Braun - Blog
Links #11 Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
a month ago
13
a month ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy! Selfishness & Therapy Culture Earlier this year, there was a post in the New York Times called “Sometimes,...
Jonas Hietala
Bullets and AI The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
8
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good. Maybe...
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
77
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...
./techtipsy
Why I went back to using a ThinkPad from 2012 This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a...
over a year ago
38
over a year ago
This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a read as well! Over my lifetime, I’ve used a bunch of different computers, mainly due to new ideas and requirements popping into my mind every time I’m content with my current setup....
computers are bad
2023-11-19 Centrex I have always been fascinated by the PABX - the private automatic branch exchange, often shortened...
a year ago
80
a year ago
I have always been fascinated by the PABX - the private automatic branch exchange, often shortened to "PBX" in today's world where the "automatic" is implied. (Relatively) modern small and medium business PABXs of the type I like to collect are largely solid-state devices that...
Home on Erik...
Interviewing is a noisy prediction problem I have done roughly 2,000 interviews in my life. When I started recruiting, I had so much confidence...
over a year ago
6
over a year ago
I have done roughly 2,000 interviews in my life. When I started recruiting, I had so much confidence in my ability to assess people. Let me just throw a couple of algorithm questions at a candidate and then I'll tell you if they are good or not!
Home on Erik...
Nearest neighbor methods and vector models – part 1 This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a...
over a year ago
5
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a library called Annoy that I have built that helps you do (approximate) nearest neighbor queries in high dimensional spaces.
Gwern.net Newsletter
April 2021 newsletter with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement...
over a year ago
5
over a year ago
with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement learning.
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
4
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,...
Construction Physics
Morris Chang and the Origins of TSMC Book review of the autobiography of Morris Chang.
a week ago
Posts on Made of...
Measuring Capacity Through Utilization (This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts...
over a year ago
5
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”. By this I mean: If you look at the behavior of a...
Yazin Alirhayim
The Meem app: it sucks If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
6
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch. That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
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
63
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...
Computer Ads from...
Comics from 1982/02 Creative Computing Mag Time for some humor
7 months ago
Lars Lofgren
The Billion-Dollar World of Parasite SEO: How to Cash In Parasite SEO is when a third-party company partners with an established domain, then posts a bunch...
2 months ago
12
2 months ago
Parasite SEO is when a third-party company partners with an established domain, then posts a bunch of SEO content to make a bunch of money. Content often gets published in a subfolder or subdomain or the website. The goal is to leverage the domain’s trust with Google to get...
Jonas Hietala
Getting Comfortable So I physically built the computer and now I’ve been using it a while, configuring stuff and getting...
over a year ago
6
over a year ago
So I physically built the computer and now I’ve been using it a while, configuring stuff and getting used to my new screens. I think they’re about three times wide as my old laptop and now I have this one huge vertical space which is absolutely wonderful for surfing forums and...
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
7
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...
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the...
11 months ago
83
11 months ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the whole experience. I’ve split this post into three separate sections. overall notes on the conference and the city less technical, but sheds light on the FOSDEM experience the...
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Notes on software...
Picking up volleyball in NYC with Goodrec and New York Urban I was so intimidated to go at first, but it is in fact easy and fun to start playing beginner...
2 weeks ago
24
2 weeks ago
I was so intimidated to go at first, but it is in fact easy and fun to start playing beginner volleyball in New York. The people are so friendly and welcoming that it has been easy to keep playing consistently every week since I started for the first time this August. It's been a...
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...
11 months ago
31
11 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...
seangoedecke.com RSS...
Grifters, believers, grinders, and coasters Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out...
a month ago
13
a month ago
Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out in a cultural clash between different…
computers are bad
2023-10-15 go.com Correction: a technical defect in my Enterprise Content Management System resulted in the email...
a year ago
116
a year ago
Correction: a technical defect in my Enterprise Content Management System resulted in the email having a subject that made it sound like this post would be about the classic strategy game Go. It is actually about a failed website. I regret the error; the responsible people have...
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Good Enough
TIL: Deploying a Sinatra app to Render.com This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me,...
a year ago
6
a year ago
This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me, so I figured I’d write down what worked in the end. First, a Gemfile: # Gemfile source 'https://rubygems.org' gem 'sinatra' gem 'sinatra-contrib' gem 'puma' * I’m pretty sure...
Home on Erik...
NYC Machine Learning meetup From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly....
over a year ago
4
over a year ago
From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
4
over a year ago
Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM. When I bought this drive, we were still in...
Posts on Made of...
DEF CON I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve...
over a year ago
7
over a year ago
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve been at the con, and it wasn’t really what I expected. Frankly, I walked away feeling kinda underwhelmed. Very few of the talks were as technical as I was hoping – they were almost...
./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
51
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...
Arduino Blog
Prototype faster and smarter in 2025: Meet the Arduino Pro Portenta Proto Kit Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how...
3 days ago
18
3 days ago
Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how professionals approach prototyping. Designed to empower engineers, designers, and innovators from all walks of life, this kit provides everything you need to turn your ideas into...
Louwrentius
Statistics showing relevance of caching proxy In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe...
over a year ago
6
over a year ago
In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe that the answer could be: quite! I have installed a caching proxy server based on Squid, which is now used within my company. It also does content scanning using squidclamav and...
Louwrentius
Script that shows smart values of all disks' Please use this tool on github instead of this ancient script. So you have a Linux system with a lot...
over a year ago
7
over a year ago
Please use this tool on github instead of this ancient script. So you have a Linux system with a lot of hard drives. If you want to quickly check on some key SMART values to determine the health of individual disks, you might be interested in this script. I wrote a small Python...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
4
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor. Purpose The...
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
74
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...
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Vitalik Buterin's...
La votación mediante blockchain está sobrevalorada entre personas desinformadas pero subestimada...
over a year ago
Jonas Hietala
Postmortem: Black and White All this time working on my latest game I thought it sucked and I was trying hard to make it to not...
over a year ago
4
over a year ago
All this time working on my latest game I thought it sucked and I was trying hard to make it to not suck. My spirit wasn’t high, just check this post and this but now when it’s done it’s like night and day, or like black and white! I’m damn happy I got it done!! Aah I’ll try to...
Lighthouse Blog
Updates August 19
4 months ago
Louwrentius
PPSS version 2.30 now operates asynchronous If you background a bash or shell process, how do you determine if it has finished? Since inter...
over a year ago
5
over a year ago
If you background a bash or shell process, how do you determine if it has finished? Since inter process communication is not possible using shell scripts, people often refer to while loops or other polling mechanisms to determine if some process has stopped. However, the one...
Jonas Hietala
Undo git reset --hard I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back...
over a year ago
5
over a year ago
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back a bit. What I didn’t realize then is that you throw away all the commits between now until <hash>. Not quite what was planned. After a bit of panic I found the answer: Find your...
watchTowr Labs
Backdooring Your Backdoors - Another $20 Domain, More Governments After the excitement of our .MOBI research, we were left twiddling our thumbs. As you may recall, in...
2 days ago
17
2 days ago
After the excitement of our .MOBI research, we were left twiddling our thumbs. As you may recall, in 2024, we demonstrated the impact of an unregistered domain when we subverted the TLS/SSL CA process for verifying domain ownership to give ourselves the ability to issue valid and...
Notes on software...
Writing a simple JSON library from scratch: a tour through modern C++ Modern C++ has a lot of cool features. Move semantics means passing around structs in functions is...
over a year ago
4
over a year ago
Modern C++ has a lot of cool features. Move semantics means passing around structs in functions is cheap. std::shared_ptr means I don't have to manage any memory; no more new/delete! (But try as I might to understand std::unique_ptr, I'm just not there yet.) The syntax has also...
Good Enough
All About CSS: Alphabetize, Normalize, and Dark-mode-itize Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid...
a year ago
7
a year ago
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid writers and sharers… I’m not. But they keep chanting “One of us. One of us.” so I suppose you’ll see me around here sometimes. For my inaugural post, I thought I’d quickly share what...
Home on Erik...
Momentum and mean reversion might just be volatility bias The Economist just published an article called The best, the worst and the ugly. By looking at...
over a year ago
4
over a year ago
The Economist just published an article called The best, the worst and the ugly. By looking at historical performance for mutual funds, they find strong support for momentum and mean reversion. Picking the best or the worst fund over the previous five years gives great returns...
Applied Cartography
You should use Helpscout Was digging through old issues of the personal site and found this draft snippet: I was evaluating...
10 months ago
5
10 months ago
Was digging through old issues of the personal site and found this draft snippet: I was evaluating HelpScout as a potential first step in a series of many, many steps to onboard a dedicated support engineer for Buttondown, and it turns out that the process of adding custom...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
csvbase blog
There are 665 open licences, most are pretty rubbish you are in a maze of twisty licences, all alike
3 months ago
Arduino Blog
Slot machine game harnesses the beauty of Nixie tubes Everyone loves the look of Nixie tubes, with their glowing orange characters made of curvy filament....
2 months ago
35
2 months ago
Everyone loves the look of Nixie tubes, with their glowing orange characters made of curvy filament. But we usually only see makers using Nixie tubes for one purpose: clocks. That’s unfortunate, because they have a lot more potential, as illustrated by Bob Cascisa’s Nixie tube...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
5
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL. While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
Arduino Blog
Finally, you can DIY your own espresso machine Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the...
3 months ago
40
3 months ago
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the world of espresso machines. To satisfy enthusiasts, an espresso machine needs to provide precise control over temperature, pressure, and flow to enable the perfect pull. But if...
Christian Selig
The Case for Getting Rid of TestFlight Review I tweeted today about how I think TestFlight review should become a thing of the past and many...
over a year ago
30
over a year ago
I tweeted today about how I think TestFlight review should become a thing of the past and many developers seemed to agree, but some had questions so I wanted to expand on my thoughts a little. TestFlight’s awesome. But like App Store submissions, TestFlight betas also require a...
Jonas Hietala
Focusing Attention: Study Hacking A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my...
over a year ago
4
over a year ago
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my part. But the past is the past and this week I’m going to be study focused. Not that I need to study, but I really need to rework my study technique. I’ve been going on like a classical...
Willem's Blog
Understanding the security concerns in shared hosting People pay me to hack them, provided I'll explain how I did it. Read along to learn how hackers use...
over a year ago
4
over a year ago
People pay me to hack them, provided I'll explain how I did it. Read along to learn how hackers use security holes to hack your app, webshop or website!
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
35
over a year ago
Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a dual-core Intel Pentium G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like that, a budget gaming PC was born. My...
Posts on Made of...
Exploiting misuse of Python's "pickle" If you program in Python, you’re probably familiar with the pickle serialization library, which...
over a year ago
6
over a year ago
If you program in Python, you’re probably familiar with the pickle serialization library, which provides for efficient binary serialization and loading of Python datatypes. Hopefully, you’re also familiar with the warning printed prominently near the start of pickle’s...
Old Vintage...
The W65C265SXB gets a SXY case Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1,...
a year ago
66
a year ago
Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1, and I've got some future projects in the works. But these were recently on sale on Amazon and I couldn't resist getting a little sort-of RPi-sized SBC that runs the 16-bit 65816,...
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
7
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,...
Vitalik Buterin's...
Farklı ZK-EVM Türleri
over a year ago
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Jonas Hietala
The Arty Timeline While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
7
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are: And now I’m off with New World Order and (for once) I’ve got a really really good idea!
computers are bad
2023-07-15 underwater ears everywhere Programming note: the subscribe link was broken for a while because I am bad at computers (yet...
a year ago
52
a year ago
Programming note: the subscribe link was broken for a while because I am bad at computers (yet another case of "forgot to enable the systemd unit"). It's fixed now. The unsubscribe link was also broken and is now fixed but, you know, maybe that was a feature. Did wonders for...
Louwrentius
Why filtering DHCP traffic is not always possible with iptables When configuring my new firewall using iptables, I noticed something very peculiar. Even if all...
over a year ago
4
over a year ago
When configuring my new firewall using iptables, I noticed something very peculiar. Even if all input, forward and output traffic was dropped, DHCP traffic to and from my DHCP server was not blocked even if there were no rules permitting this traffic. I even flushed all rules,...
./techtipsy
Whacky setups: seedbox on a wall The Orange Pi Zero is one hell of an SBC. It has served as a Wi-Fi access point for months without...
over a year ago
27
over a year ago
The Orange Pi Zero is one hell of an SBC. It has served as a Wi-Fi access point for months without issues and as a testbed for playing around with MySQL. I wanted it to be a useful device again, but had trouble finding an use case for it due to its hardware limitations. After...
Jonas Hietala
The T-34 keyboard layout A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with...
over a year ago
7
over a year ago
A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with much fewer keys, like the 36-key Gergoplex and the 44-key Kyria. I may write another post about the reasons why, but long story short I started getting pain in my thumbs, fingers,...
computers are bad
2023-02-17 something up there pt II As we discussed previously, the search for UAP is often contextualized in terms of the events of...
a year ago
53
a year ago
As we discussed previously, the search for UAP is often contextualized in terms of the events of 2017: the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow and Tom DeLonge. While widely publicized, these programs seem to have lead to very little. I...
Posts on Made of...
Three kinds of memory leaks So, you’ve got a program that’s using more and more over time as it runs. Probably you can...
over a year ago
6
over a year ago
So, you’ve got a program that’s using more and more over time as it runs. Probably you can immediately identify this as a likely symptom of a memory leak. But when we say “memory leak”, what do we actually mean? In my experience, apparent memory leaks divide into three broad...
Louwrentius
Things you should consider when building a ZFS NAS ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many...
over a year ago
4
over a year ago
ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many features of ZFS also appeal to home NAS builders and with good reason. But not all features are relevant or necessary for home use. I believe that most home users building their...
Good Enough
That time Marvel secretly endorsed my podcast with “the greatest comic book cover of all time” This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a...
a year ago
4
a year ago
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a record of this somewhere on the internet!” and I don’t have my own blog. Years ago my friend and I ran a radio show called Gorilla Madness, which we also spun out into a podcast after...
Notes on software...
On NYC, Tokyo and Seoul I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a...
over a year ago
4
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a rural community a few hours west of there. My wife is South Korean and last week concluded my second trip to the suburbs of Seoul to visit her family. We finished up that trip with a...
Ken Shirriff's blog
Standard cells: Looking at individual gates in the Pentium processor Intel released the powerful Pentium processor in 1993, a chip to "separate the really power-hungry...
6 months ago
6
6 months ago
Intel released the powerful Pentium processor in 1993, a chip to "separate the really power-hungry folks from ordinary mortals." The original Pentium was followed by the Pentium Pro, the Pentium II, and others, spawning a long-running brand of high-performance processors, Intel's...
Abort Retry Fail
Housekeeping for 20240309 Super quick updates
10 months ago
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Jonas Hietala
I, Robot Here are the results of the big robot construction course we had before christmas! The whole process...
over a year ago
7
over a year ago
Here are the results of the big robot construction course we had before christmas! The whole process went smooth and our group was amazing. The design and building of the robot went well even though in hindsight I would’ve changed a lot of stuff. The ending competition didn’t go...
Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
Louwrentius
My solar-powered blog is now on Lithium Iron Phosphate In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi -...
a year ago
7
a year ago
In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi - escalated into a full-blown off-grid solar setup, large enough to power the computer I use at the moment to write this update1. In this update, I want to discuss my battery...
Posts on Made of...
My Apollo Bibliography Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
over a year ago
7
over a year ago
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
Jonas Hietala
Done this, done that. What now? Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
4
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Jonas Hietala
Drawing a self portrait Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m...
over a year ago
4
over a year ago
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m really slow so I stopped a bit before it really was finished. Obviously I’d like it to be a bit better, but I’m still a little happy about the glasses and the eyebrows. The mouth...
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
Louwrentius
Lion's FileVault does not support Bootcamp and external boot disks Read the comments as they may provide useful information for your particular situation I boot my...
over a year ago
4
over a year ago
Read the comments as they may provide useful information for your particular situation I boot my iMac from an external FW800 SSD. I found out that it is impossible to encrypt this disk using the new FileVault as part of Lion. Furthermore, I also found out that if you have a disk...
Notes on software...
Metaprogramming in Zig and parsing CSS I knew Zig supported some sort of reflection on types. But I had been confused about how to use it....
a year ago
7
a year ago
I knew Zig supported some sort of reflection on types. But I had been confused about how to use it. What's the difference between @typeInfo and @TypeOf? I ignored this aspect of Zig until a problem came up at work where reflection made sense. The situation was parsing and storing...
Willem's Blog
Space travelling from El Teide On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a...
over a year ago
5
over a year ago
On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a perfect altitude for stargazing.
Odds and Ends of...
Odds and Ends #47: I think this YouTube video just changed my life Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
3 weeks ago
Arduino Blog
Bringing Quake to Arduino: a game-changing project by Nicola Wrachien Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon...
3 months ago
38
3 months ago
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon Labs, a leader in secure, intelligent wireless technology for a more connected world and long-time Arduino partner – has now tackled an even bigger challenge: porting Quake, the...
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
lcamtuf’s thing
Dispatches from the farm upstate Middle-aged computer expert opts to escape civilization, offers dubious life advice.
5 months ago
Jonas Hietala
March Theme: 10 seconds Well well here’s something interesting. The Experimental Gameplay Project has given us a really...
over a year ago
6
over a year ago
Well well here’s something interesting. The Experimental Gameplay Project has given us a really interesting thing to focus on: Time. Like Braid, it’s time for us to make something interesting with time itself. 10 seconds is the constraint and that’s not a lot, but perhaps enough?
Posts on Made of...
Transformers for software engineers Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
6
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Louwrentius
The minimum requirements for a secure system The most secure server system is a system that is not connected to a network and turned off....
over a year ago
4
over a year ago
The most secure server system is a system that is not connected to a network and turned off. However, little work seems to be getting done this way. So we want to turn systems on and connect them to a network, or even (God forbid) the internet. The thing is this. A system...
computers are bad
2024-06-02 consumer electronics control In a previous episode, I discussed audio transports and mention that they have become a much less...
7 months ago
87
7 months ago
In a previous episode, I discussed audio transports and mention that they have become a much less important part of the modern home theater landscape. One reason is the broad decline of the component system: most consumers aren't buying a television, home theater receiver,...
Good Enough
PEOs are Good Enough (for us) Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
4
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about! If...
Lighthouse Blog
Updates February 02
11 months ago
Jonas Hietala
Ugly and Slow Progress Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I...
over a year ago
7
over a year ago
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I have an idea and it might be good, all I need to do is execute it. Right? Programmer graphics coming to take you away! Anyway it’s going to be a risk-like game with a twist: you can...
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
Jonas Hietala
Hard Work I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
6
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well. I can allow myself a small pause I feel… Not sure where this is going to end, but I’m having a blast anyway!
Applied Cartography
November, 2024 Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved,...
a month ago
15
a month ago
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved, without fanfare or closure) cough and a dearth of time to write as I started to explore easing back into full-time work. Still, some writing (and selfishly, I'm excited to end the...
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
7
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...
Willem's Blog
Creating a minimal road bike I wondered how hard it would be to make a bike from spare parts I had in my garage
over a year ago
Vitalik Buterin's...
Updating my blog: a quick GPT chatbot coding experiment
over a year ago
Applied Cartography
11ty .njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a...
10 months ago
4
10 months ago
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a good amount. Maybe that's a me thing! It is extremely fast. This site has around 2300 pages; Eleventy is compiling it in around two seconds. The extensibility ergonomics are...
Birchtree
📕 I mildly recommend: Life as No One Knows It (members post) A new book explaining assembly theory, a new way of thinking about the question of "what is life?"
2 days ago
Willem's Blog
Business in a bag After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
over a year ago
4
over a year ago
After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
Jonas Hietala
Failed mime type for Krita I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
7
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error: Could not find mime type "application/x-krita" Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Simply Explained
Migrating This Blog From Jekyll to Eleventy Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
7
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
seangoedecke.com RSS...
MCTS and LLMs: what's the big deal? Everyone on the internet is recently very excited about large language models and Monte Carlo tree...
6 months ago
6
6 months ago
Everyone on the internet is recently very excited about large language models and Monte Carlo tree search. Going back months, the “Q*” leak…
Notes on software...
Deploying FreeBSD on Linode unattended in minutes I became a FreeBSD user over 2 years ago when I wanted to see what all the fuss was about. I swapped...
over a year ago
7
over a year ago
I became a FreeBSD user over 2 years ago when I wanted to see what all the fuss was about. I swapped my y410p dual-booting Windows / Ubuntu with FreeBSD running Gnome 3. I learned a lot during the transition and came to appreciate FreeBSD as a user. I soon began running...
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
5
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Home on Erik...
Deep learning for&#8230; chess (addendum) My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple...
over a year ago
4
over a year ago
My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple of other places. One pretty amazing thing was that the Github repo got 150 stars overnight.
Lighthouse Blog
How to subscribe to content
7 months ago
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
4
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
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
71
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
Jonas Hietala
Balls Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god...
over a year ago
4
over a year ago
Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god I’ll be making another tetris clone but the end result turned out a bit different. I’m not sure it’s very addictive but it’s actually okay! =D Balls is a game about… balls. Well...
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
2 months ago
37
2 months ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Notes on software...
Writing a SQL database, take two: Zig and RocksDB For my second project while learning Zig, I decided to port an old, minimal SQL database project...
over a year ago
7
over a year ago
For my second project while learning Zig, I decided to port an old, minimal SQL database project from Go to Zig. In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than my usual), we'll create a basic embedded SQL database in Zig on top of RocksDB. Other than the...
Louwrentius
RAID array size and rebuild speed When a disk fails of a RAID 5 array, you are no longer protected against (another) disk failure and...
over a year ago
6
over a year ago
When a disk fails of a RAID 5 array, you are no longer protected against (another) disk failure and thus data loss. During this rebuild time, you are vulnerable. The longer it takes to rebuild your array, the longer you are vulnerable. Especially during a disk-intensive period,...
Simply Explained
Impact of Adblockers on Google Analytics (vs. Plausible) Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have...
over a year ago
4
over a year ago
Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have one installed. Not only do they block advertisements, but also analytics scripts (like Google Analytics, Matomo, etc.)So that begs the question: what is the impact of these...
Home on Erik...
Ping the world I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some...
over a year ago
6
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some notes: What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
GitButler
GitButler is now Fair Source GitButler is now officially one of the first members of the Fair Source movement, helping to shift...
5 months ago
2
5 months ago
GitButler is now officially one of the first members of the Fair Source movement, helping to shift closed source to publicly available software by default.
Louwrentius
Got myself a Norco RPC-4020 I've got this fetish for storage. So I bought a case that gives me some room for future expantion....
over a year ago
4
over a year ago
I've got this fetish for storage. So I bought a case that gives me some room for future expantion. The current 6 TB RAID 6 storage server does not have any room for expantion. This Norco RPC-4020 case with 20 hot swap drive bays does however. Don't know what to fill it with yet.
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
34
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Arduino Blog
“Catch me if you can!” — How Alvik learns to dodge trouble with AI, featuring Roni Bandini Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make...
3 months ago
31
3 months ago
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make for an awesome project”? That’s exactly what happened to Roni Bandini, maker, writer, electronics artist – and Arduino Alvik Star!  Bandini began coding at 10 years old, and has...
Jonas Hietala
A type checking error in Elixir 1.18 Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and...
a week ago
31
a week ago
Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and why I think Gleam is so cool). I think static typing helps catch bugs earlier and in an automated way, leading to less buggy software and saves time in the long run. To my great joy...
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 months ago
37
2 months ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Jonas Hietala
Postmortem: Sat-E This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The...
over a year ago
4
over a year ago
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The Good Motivation I was really motivated for this dare and it showed in the game and outside it. It’s super hard to make a game in only 48 hours but this time it went pretty well. My...
Home on Erik...
What can startups learn from Koch Industries? I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
6
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago. Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Christian Selig
Server side Live Activities guide iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and...
3 months ago
54
3 months ago
iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and handy! I’ve been playing around with it a bit and found some parts a bit confusing, so I thought I’d do a little write up for future me as well as anyone else who could benefit! (For...
Notes on software...
HTML event handler attributes: down the rabbit hole This is an external post of mine. Click here if you are not redirected.
over a year ago
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
6
over a year ago
This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough. The apt-get install debian-zfs command would just hang. I noticed a...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980) This British inventor speaking about his ZX-80 computer system
a month ago
Vitalik Buterin's...
Understanding PLONK
over a year ago
Willem's Blog
Back to the University Join me on a special course exploring scientific programming, the perfect moment to learn Python...
a year ago
6
a year ago
Join me on a special course exploring scientific programming, the perfect moment to learn Python with recent advancements in machine learning like ChatGPT!
Applied Cartography
Notes on buttondown.com We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
4 months ago
7
4 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made. As...
Jonas Hietala
Motivation is Valuable It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
6
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Gwern.net Newsletter
September 2020 News September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
4
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
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
7
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...
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
12 months ago
4
12 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Vitalik Buterin's...
My techno-optimism
a year ago
Christian Selig
Choosing a travel pack is hard I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines...
8 months ago
94
8 months ago
I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines losing your stuff. Outside of requiring a bit more planning, what’s not to love? Turns out this is a beloved product category with a passionate community behind it, and as a result...
Lighthouse Blog
Improvements and fixes: December 2024
a week ago
Arduino Blog
The Club Master is a Nano RP2040 Connect-powered device that improves your golf swing When playing golf, few things are as important as using the correct form when swinging, since even...
7 months ago
47
7 months ago
When playing golf, few things are as important as using the correct form when swinging, since even small deviations can be the difference between a hole-in-one and additional strokes. To improve his game, Concept Bytes has designed a small clip-on device called the “Club Master.”...
Computer Ads from...
Applied Analytics' MicroSPEED Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
7 months ago
Home on Erik...
HubSpot's Picture Shows how to Maintain Monocultures in the 21st Century I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome...
over a year ago
5
over a year ago
I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome Presentation Shows how to Create a 21st Century Culture”. Just FYI: You're not different. You're a bunch of white hipsters aged 25-30 dressed up in the same theme.
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
6
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
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
2
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...
lcamtuf’s thing
How do wood finishes hold up? A quick 18-month experiment to shed light on traditional woodworking lore.
4 months ago
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
9 months ago
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
6
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine. I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Old Vintage...
When the Power Macintosh ran NetWare (featuring Wormhole and Cyberpunk) This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple...
a year ago
64
a year ago
This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple developer who was part of the NetWare team. Thank you! the network operating system of the 1990s. Nothing was quite like it. Until Windows NT muscled in on its action near the end of the...
Willem's Blog
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Arduino Blog
Arduino Education at Bett 2025: Shaping the future of K-12 and HE Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from...
3 weeks ago
24
3 weeks ago
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from January 22nd-24th at the ExCeL exhibition center in London, Bett is the ultimate global event for educational innovation.  We are attending the stand with our partner CreativeHut...
Buck on Software
Don't be foie gras If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
over a year ago
5
over a year ago
If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
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
7
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...
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine There is something inherently intriguing about submarines that doesn’t seem to apply to other...
5 months ago
55
5 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
4
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
Louwrentius
Why Debian/Ubuntu Linux is to be preferred There are many Linux distributions around. However, I always come back to just one: Debian. The...
over a year ago
4
over a year ago
There are many Linux distributions around. However, I always come back to just one: Debian. The reason why so many people use Debian is the same reason I like it so much: software management.  With good old apt-get or the new aptitude, software is installed within minutes. Due to...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year 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
6
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
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
29
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...
Jonas Hietala
Where's Teddy? So I did this course Game Design and what’s a course on Game Design without a game? Well, here it...
over a year ago
7
over a year ago
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it is. Made in about seven days (more likely eight) and I thought it became quite cool. Where’s Teddy? How to Play Your mission is to find teddy and his teddybear friends. The...
Birchtree
How Flight Simulator helped my flying anxiety (members post) It turns out video games really can impact how you view the world.
a month ago
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
12
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,...
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
4
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...
Louwrentius
Experiences running ZFS on Ubuntu Linux 12.04 I really like ZFS because with current data sets, I do believe that data corruption may start...
over a year ago
4
over a year ago
I really like ZFS because with current data sets, I do believe that data corruption may start becoming an issue. The thing is that the license under which ZFS is released does not permit it to be used in the Linux kernel. That's quite unfortunate, but there is hope. There is a...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Simply Explained
Tuya IR Hub: control Daikin AC (Home Assistant + ESPHome) The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to...
over a year ago
7
over a year ago
The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to finally make my YTF IR Hub useable. Here's how I flashed ESPHome onto it and how I configured it for my Daikin AC and Home Assistant.
Jonas Hietala
Let's build a VORON: Filters I can print, but the printer is missing a very important thing that I alluded to in the previous...
a year ago
7
a year ago
I can print, but the printer is missing a very important thing that I alluded to in the previous post: filtering dangerous particles and fumes. This is mostly covered by the kit, but I was missing some parts from the print it forward and the kit didn’t include a HEPA...
seangoedecke.com RSS...
How I ship projects at big tech companies I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to...
2 months ago
12
2 months ago
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to lead new ones when it’s important to get…
Notes on software...
Benchmarking esbuild, swc, tsc, and babel for React/JSX projects This is an external post of mine. Click here if you are not redirected.
over a year ago
Notes on software...
We put a distributed database in the browser – and made a game of it This is an external post of mine. Click here if you are not redirected.
a year ago
Louwrentius
Understanding IOPS, latency and storage performance Update 2020: I've written another blogpost about this topic, including some benchmark examples. When...
over a year ago
7
over a year ago
Update 2020: I've written another blogpost about this topic, including some benchmark examples. When most people think about storage performance, they think about throughput. But throughput is similar to the top speed of a car. In reality, you will almost never reach the top...
Lighthouse Blog
Updates March 01
10 months ago
Posts on Made of...
Advent of Code in C++ Template Metaprogramming This December, the imp of the perverse struck me, and I decided to see how many days of Advent of...
a year ago
7
a year ago
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of Code I could do purely in compile-time C++ metaprogramming. As of this writing, I’ve done two days, and I’m not sure I’ll make it any further. However, that’s one more day than I...
Engineers Need Art
Offline Advocate Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of...
a month ago
47
a month ago
Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of mind.
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
11 months ago
79
11 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
Louwrentius
A practical understanding of lead acid batteries Introduction The goal of this article is to give you a practical understanding Lead Acid batteries....
over a year ago
8
over a year ago
Introduction The goal of this article is to give you a practical understanding Lead Acid batteries. We won't address the underlying chemistry, we'll treat them as a black-box and we will discover their characteristics and how to keep them healthy. Disclaimer I'm an amateur. I...
Willem's Blog
Vision Pro My thoughts on using Vision Pro to get some real work done, exploring what Spatial Computing means...
10 months ago
4
10 months ago
My thoughts on using Vision Pro to get some real work done, exploring what Spatial Computing means and how it can be useful.
Home on Erik...
3D Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the...
over a year ago
6
over a year ago
Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the iframe but check out the link). It's based on a LDA model with 200 topics, so the artists tend to stick to clusters where each cluster is a topic.
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
7
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.
anderegg.ca
How decentralized is Bluesky really? Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
a month ago
14
a month ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece. The article is long, but very much worth a read. From the conclusion: Bluesky is built by good people who care, and it is providing...
Abort Retry Fail
The History of GM-NAA I/O and SHARE The Birth of Computer Operating Systems
a year ago
Vitalik Buterin's...
我在加密世界的一些个人体验
over a year ago
Willem's Blog
The Ultimate Freedom Bike With the Brompton foldable bike you find yourself a very versatile companion to go whenever and...
over a year ago
2
over a year ago
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and wherever you please!
Posts on Made of...
Computers can be understood Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially...
over a year ago
6
over a year ago
Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially all of my work with software. I attempt to articulate this mindset, some of its implications and strengths, and some of the ways in which it’s lead me astray. Software can be...
Posts on Made of...
Reflections on software performance At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
6
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Home on Erik...
Being data driven I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long...
over a year ago
7
over a year ago
I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long interview with U.S. General Stanley McChrystal and I thought it was pretty interesting how striking some of the similarities are between fighting in a war and developing software.
computers are bad
2023-10-03 overheard overhead Let's talk about overhead paging. The concept goes by various names: paging, public address, even...
a year ago
74
a year ago
Let's talk about overhead paging. The concept goes by various names: paging, public address, even intercom, although the accuracy of the latter term can be questionable. It's probably one of the aspects of business telephone systems that gets the most public attention, on account...
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
Posts on Made of...
Why the Sorbet typechecker is fast This is the second in an indefinite series of posts about things that I think went well in the...
over a year ago
4
over a year ago
This is the second in an indefinite series of posts about things that I think went well in the Sorbet project. The previous one covered our testing approach. Sorbet is fast. Numerous of our early users commented specifically on how fast it was, and how much they appreciated this...
computers are bad
2023-06-02 the reinvention of owens lake Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a...
a year ago
45
a year ago
Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a functional necessity to appease early-stage investor demands for "engagement")¸ I am launching a Matrix room for CAB readers. You can join it! Do whatever you do to join rooms in...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
a year ago
Jonas Hietala
My first theme: Addictive Gaming In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t...
over a year ago
4
over a year ago
In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t be following the lead from the Experimental Gameplay Project’s site but I will follow their three laws (7 days, alone, themes). Puh… my first game! Wish me luck =)