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Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
6
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Matt Blewitt
Leadership Power Tools: SQL and Statistics A common pattern I’ve seen over the years have been folks in engineering leadership positions that...
a month ago
12
a month ago
A common pattern I’ve seen over the years have been folks in engineering leadership positions that are not super comfortable with extracting and interpreting data from stores, be it databases, CSV files in an object store, or even just a spreadsheet. We’re going to cover SQL &...
Jonas Hietala
Why Cryptocurrencies? is now available in print Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve...
over a year ago
4
over a year ago
Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve undertaken. My book ‘Why Cryptocurrencies?’ is released in print today! It’s my attempt to explain what cryptocurrencies are and what problems they solve, in a simple and...
Louwrentius
The 'hidden' cost of using ZFS for your home NAS Introduction Update December 2023: In June, it was announced that iXsystems would sponsor...
over a year ago
5
over a year ago
Introduction Update December 2023: In June, it was announced that iXsystems would sponsor implementing the VDEV expansion feature. A new pr has been created for this effort. The feature was merged into the code base, but may not be available to the general public before the end...
Birchtree
Everything is a reaction, nothing is forever, and everything comes back (members post) Why nothing stays popular forever.
a month ago
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.
Jonas Hietala
Building my ultimate keyboard The Cybershard keyboard. What comes to mind when you see the description “the ultimate...
a month ago
14
a month ago
The Cybershard keyboard. What comes to mind when you see the description “the ultimate keyboard”? There are many keyboards in this world; here are some that might fit the “ultimate” moniker: Das Keyboard 4 Ultimate mechanical keyboard DataHand Ergodox EZ Glove80 Happy...
Notes on software...
AOT-compilation of Javascript with V8 tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed...
over a year ago
6
over a year ago
tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed programming languages have implementations that compile to native binaries: Python: Cython Common Lisp: SBCL Scheme: Chicken Scheme The benefits of compiling dynamically typed...
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
5 months ago
4
5 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
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.
Posts on Made of...
Followup to "A Very Subtle Bug" After my previous post got posted to reddit, there was a bunch of interesting discussion there about...
over a year ago
5
over a year ago
After my previous post got posted to reddit, there was a bunch of interesting discussion there about some details I’d handwaved over. This is a quick followup on some the investigation that various people carried out, and the conclusions they reached. In the reddit thread,...
Jonas Hietala
Bitcoin Cash needs a Specification I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a...
over a year ago
4
over a year ago
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a bunch of heated debates between the different Bitcoin Cash developer teams. Something that stood out from all the noise was problems with communications and a lack of specification...
computers are bad
2023-12-05 vhf omnidirectional range The term "VHF omnidirectional range" can at first be confusing, because it includes "range"---a...
a year ago
82
a year ago
The term "VHF omnidirectional range" can at first be confusing, because it includes "range"---a measurement that the technology does not provide. The answer to this conundrum is, as is so often the case, history. The "range" refers not to the radio equipment but to the space...
Arduino Blog
Introducing Arduino Academy: your path to becoming an Arduino-Certified Engineer begins! Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy,...
2 months ago
24
2 months ago
Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy, the go-to platform for hands-on, interactive learning designed to prepare you for the future of technology. Whether you’re just starting or looking to advance your career, the...
Posts on Made of...
Suggestion time: What should I blog about? I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
7
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list. But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
Jonas Hietala
Building the GH60 I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
6
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share. The hardware Several years ago I joined the geekhack forum and I joined in a few group...
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
./techtipsy
ThinkPad as a server: the follow-up It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home...
a year ago
58
a year ago
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home server. After doing some experiments with my setup a couple of times, it is once again the main server for all my self-hosting needs. However, this time I have made some...
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
GitButler
Stacked Branches with GitButler GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
a month ago
Arduino Blog
Meet Mr. Wallplate, an animatronic wall plate that speaks to you Interactive robots always bring an element of intrigue, and even more so when they feature unusual...
8 months ago
134
8 months ago
Interactive robots always bring an element of intrigue, and even more so when they feature unusual parts and techniques to perform their actions. Mr. Wallplate, affectionately named by Tony K on Instructables, is one such robot that is contained within an electrical wall plate...
Jonas Hietala
Laying off Pintos Exam period is here which means all courses should be wrapping up and a week or so ago we finished...
over a year ago
4
over a year ago
Exam period is here which means all courses should be wrapping up and a week or so ago we finished up our lab series about pintos. The labs were among the best I’ve had yet and I learned a ton. We didn’t follow the official instructions but we had our own assigmnets....
Neil Madden
How do you use a bearer URL? In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
6
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Jonas Hietala
Customizing Neovim Scripting is configuration. Configuration is scripting. TJ DeVries A different take on editing...
8 months ago
4
8 months ago
Scripting is configuration. Configuration is scripting. TJ DeVries A different take on editing code I’ve been using Neovim since it forked from Vim almost 8 years ago, and I used Vim many years before that. I feel quite comfortable with Neovim, and I’ve gone down the...
Christian Selig
Introducing Juno for Apple Vision Pro YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
11 months ago
76
11 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Good Enough
TIL: Turbo Stream broadcasting needs default_url_options to be set We've been using Turbo Streams in some of our recent prototypes, which makes it really easy and fun...
a year ago
4
a year ago
We've been using Turbo Streams in some of our recent prototypes, which makes it really easy and fun to get responsive and fun interactions set up. However, we kept having issues with images sent in a turbo stream response. If the response was delivered by a normal controller...
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...
Willem's Blog
Fietselfstedentocht 2017 Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Louwrentius
Don't be afraid of RAID Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of...
over a year ago
6
over a year ago
Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of your RAID array failing during a rebuild is almost a certainty, because hard drives have become so large. I think nothing is further from the truth and I would like to dispel this...
computers are bad
2023-09-10 the Essex GWEN site Programming note: this post is in color. I will not debase myself to the level of sending HTML...
a year ago
75
a year ago
Programming note: this post is in color. I will not debase myself to the level of sending HTML email, so if you receive Computers Are Bad by email and want the benefit of the pictures, consider reading this online instead (the link is at the top of the email). In the aftermath of...
Vitalik Buterin's...
Some ways to use ZK-SNARKs for privacy
over a year ago
Vitalik Buterin's...
Should Ethereum be okay with enshrining more things in the protocol?
a year ago
Vitalik Buterin's...
Coordination, Good and Bad
over a year ago
Style over Substance
Fujifilm Instax Wide 300 to Mamiya Press mount mod How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post...
over a year ago
61
over a year ago
How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post Fujifilm Instax Wide 300 to Mamiya Press mount mod appeared first on Style over Substance.
Matt Mullenweg
Disrupt Interview On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view...
2 months ago
12
2 months ago
On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view the video here: Then yesterday Automattic filed its legal responses to the spurious lawfare from WP Engine, Silver Lake, and Quinn Emanuel. It’s a bit long, but if you have time...
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000 In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
6
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
Computer Ads from...
Ampere WS-1 A cool Japanese clamtop
9 months ago
Louwrentius
Difference of behavior in SATA Solid State Drives Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO....
over a year ago
4
over a year ago
Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO. After further investigation and additional testing, I've found the reason for the strange patterns in the graphs. The 'strange' test results are due to the fact that they were...
Home on Erik...
There is no magic trick (Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make...
over a year ago
6
over a year ago
(Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make predictions, especially about the future”. Unfortunately predicting is hard, and unsurprisingly people look for the Magic Trick™ that can resolve all the uncertainty.
latest projects -...
Portable Probability Panel [Misc] Laser-cut Galton board
5 months ago
Birchtree
Apple’s 2024 report card: iPad This is the second in a series of posts reviewing Apple’s 2024 across their major product lines. I...
a week ago
20
a week ago
This is the second in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s iPad report card here. iPad Pro I'm so happy I get to say it was a
Applied Cartography
Auth.js + Square Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the...
7 months ago
6
7 months ago
Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the periphery of your understanding, and a Third South project has led me to spin up a small Next project using Bun [1] and Auth.js (nee next-auth), which has been quite bad and I...
Vitalik Buterin's...
Farklı ZK-EVM Türleri
over a year ago
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
Jonas Hietala
What's up It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other...
over a year ago
4
over a year ago
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other stuff. I’ve thought about you but I just never really picked up emacs to write to you. I know it’s my fault but I beg of your mercy mr. Blog. You know that I had laid off school for...
Style over Substance
Using the EZCOO / AVStar HAE118 HDMI2.1 Audio Extractor for PS5/Xbox audio Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out...
a year ago
57
a year ago
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out of this console meant we also had to buy a new TV, as our old TV was not 4K-compatible and did not support HDMI2.1, the new A/V standard required to support all of the PS5’s...
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...
Jonas Hietala
Back to Training Five days of school now and things are starting to settle down a bit. The courses are pretty cool;...
over a year ago
6
over a year ago
Five days of school now and things are starting to settle down a bit. The courses are pretty cool; we have linear algebra which is pretty interesting, we have a java course where we’re going to make a game (!) and one about structures and algorithms. Pretty promising but we’ll...
Simply Explained
Secure Home Assistant Access with Cloudflare and Ubiquiti Dream Machine I've become increasingly reliant on Home Assistant to automate various tasks around the house. But...
over a year ago
6
over a year ago
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But how do you safely expose your instance to the internet for remote access?You want to be able to log in from a remote location, but how to keep others out? This post will show how...
Jonas Hietala
Ludum Dare 17 - an hour or two into it I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a...
over a year ago
6
over a year ago
I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a massage course (which by the way was pretty darn good), and about halfway there this is what I’ve done: Chockingly… ugly All is not what meets the eye though, I’ve got the basics done...
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
Posts on Made of...
Automounting sshfs For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
5
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
Style over Substance
How to use a Phase One H20 digital back on a medium format Hasselblad V camera (500EL/M) My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my...
over a year ago
72
over a year ago
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my Hasselblad 500EL/M medium format camera. Or, simply put, I bought an expensive old gadget for my even older analog camera, making it a digital camera. A gadget that was released in the...
Ken Shirriff's blog
Pi in the Pentium: reverse-engineering the constants in its floating-point unit Intel released the powerful Pentium processor in 1993, establishing a long-running brand of...
4 days ago
27
4 days ago
Intel released the powerful Pentium processor in 1993, establishing a long-running brand of high-performance processors.1 The Pentium includes a floating-point unit that can rapidly compute functions such as sines, cosines, logarithms, and exponentials. But how does the Pentium...
Old Vintage...
Pretty pictures, bootable floppy disks, and the first Canon Cat demo? Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to...
5 months ago
76
5 months ago
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to get into the operating system and pull some tricks. from our historical discussion of the Canon Cat, the Cat was designed by Jef Raskin as a sophisticated user-centric computer...
Louwrentius
Monitor power usage with your UPS If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how...
over a year ago
4
over a year ago
If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how much power it consumes. For this purpose, I wrote a small script: Host:~# ./ups.sh UPS model: Back-UPS RS 1200 LCD APC model: Back-UPS RS 1200 LC Capacity: 720 Watt Load: 18...
Notes on software...
Compiling dynamic programming languages It can be difficult to disassociate the idea that dynamically typed programming languages are tied...
over a year ago
6
over a year ago
It can be difficult to disassociate the idea that dynamically typed programming languages are tied to byte-code interpreters (e.g. YARV Ruby, CPython, V8, Zend Engine, etc.). But for many languages, a compiled implementation also exists. Cython, Chicken Scheme and SBCL are good...
Engineers Need Art
Mooncraft 2000 A web-based game, Mooncraft 2000 is released.
over a year ago
Posts on Made of...
A Cursed Bug In my day job at Anthropic, we run relatively large distributed systems to train large language...
over a year ago
4
over a year ago
In my day job at Anthropic, we run relatively large distributed systems to train large language models. One of the joys of using a lot of computing resources, especially on somewhat niche software stacks, is that you spend a lot of time running into the long-tail of bugs which...
Vitalik Buterin's...
The end of my childhood
11 months ago
Jonas Hietala
2017 in Review In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got...
over a year ago
6
over a year ago
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got a child in October! It really alters your perspectives and other things suddenly feel a little less important and of course there’s less time to do other stuff. A little late and...
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
6 months ago
./techtipsy
Shrinkflation, SanDisk style 2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that...
a year ago
62
a year ago
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that you notice after formatting the device in an OS. Please read the article in full before making inaccurate comments online. For many years, I have used two SanDisk Ultra 16 GB USB flash...
Willem's Blog
The day I killed my LAN I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
over a year ago
GitButler
Git Merge 2024 Talks are Up All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
2 months ago
Jonas Hietala
A * After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
5
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked. I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Simply Explained
How I Structure My ESPHome Config Files I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
6
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Style over Substance
Using the Olympus XA as an everyday carry camera The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
70
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […] The post Using...
Home on Erik...
NoDoc We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about...
over a year ago
7
over a year ago
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about abolishing documentation. Or NoDoc, as I'm going to call this movement. This was meant to be mostly a thought experiment, but I don't see it as complete madness.
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
Willem's Blog
Scalable application design without magic I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
7
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Posts on Made of...
Some thoughts on Quora With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation,...
over a year ago
7
over a year ago
With the announcement this week that Quora had taken $11 million in VC at an $86 million valuation, there’s been an awful lot of attention on Quora. I’ve had an account there and wanted to write up some of my initial thoughts. If you haven’t heard about Quora, it’s yet another...
Louwrentius
'Syslog: the hidden security risk' People sometimes forget that there are also a number of UDP-based services that may pose a threat to...
over a year ago
4
over a year ago
People sometimes forget that there are also a number of UDP-based services that may pose a threat to the security of your systems. SNMP is a well-known service, notorious for being configured with a default password (or community string). But there is another service that is...
Simply Explained
Shelly 2.5 + ESPHome: potential fire hazard + fix If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin...
over a year ago
5
over a year ago
If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin will be short-circuited and cause the unit to heat up significantly, creating a potential fire hazard!
Louwrentius
I made my blog solar-powered, then things escalated In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing...
a year ago
7
a year ago
In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing the same thing (but better)1. The answer was 'yes', but only through spring and summer. I live in an apartment complex in The Netherlands and my balcony is facing west. This...
Lighthouse Blog
Updates August 19
4 months ago
Louwrentius
Linux: script that creates table of network interface properties My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an...
over a year ago
7
over a year ago
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an existing linux command for this but I couldn't find it so I quickly wrote my own script (download). This is the output: The only requirement for this script is that you have...
Arduino Blog
A stroopwafel doneness detection device If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a...
6 months ago
51
6 months ago
If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a sweet treat as well. That is a stroopwafel, a crispy little waffle-syrup sandwich that the Dutch like to rest on top of their drink so that the rising heat will soften the pastry....
Azad's Blog
RealityCapture to Gaussian Splatting using PostShot TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import...
5 months ago
5
5 months ago
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import it into PostShot to train Gaussian Splats without using COLMAP. Video tutorial RealityCapture Import your images and align them. If you ever need help with tricky dataset, refer to...
Nabeel S. Qureshi
Notes on Karl Popper A woven web of guesses
over a year ago
Notes on software...
Responsibility and ownership Responsibility is only possible by granting ownership and setting expectations. If you don't turn...
over a year ago
6
over a year ago
Responsibility is only possible by granting ownership and setting expectations. If you don't turn over ownership, don't expect folks to take responsibility. When you grant ownership and set expectations, you'll be astounded what folks will accomplish without you. I am astounded.
Posts on Made of...
wpa_supplicant: GUI and wpa_action I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on...
over a year ago
7
over a year ago
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on the subject. (Actually, I pretty much made both of them while reading documentation in order to write it, and have been lame about writing them up). Using wpa_gui It turns out that...
Simply Explained
Static webhosting benchmark: AWS, Google, Firebase, Netlify, GitHub & Cloudflare Static websites are still a hot topic. They are fast, and they're incredibly secure because there...
over a year ago
4
over a year ago
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static website hosting provider in 2020?...
Posts on Made of...
Distributed cloud builds for everyone CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
6
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Computer Ads from...
Small Systems Engineering's PETSPEED Fast Enough for the Human Race
6 months ago
Jonas Hietala
A small LED Cube As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I...
over a year ago
7
over a year ago
As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I got started a little with soldering by constructing a small 3x3x3 LED cube. Although extremely hard to see in this picture it actually worked without a hitch! It’s not the...
Posts on Made of...
A brief look at Linux's security record After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
4
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
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.
seangoedecke.com RSS...
Mistakes engineers make in large established codebases Working in large established codebases is one of the hardest things to learn as a software engineer....
a week ago
27
a week ago
Working in large established codebases is one of the hardest things to learn as a software engineer. You can’t practice it beforehand (no…
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
csvbase blog
Caching secrets of the HTTP elders, part 1 ETags - an elegant weapon, for a more civilised age
8 months ago
Jonas Hietala
My Dream Game: The RTS Even if there are a million great games there’s one that has a very special place in my heart:...
over a year ago
4
over a year ago
Even if there are a million great games there’s one that has a very special place in my heart: Supreme Commander. It’s not the game I’ve played the most and there might even be games which are better and more fun but supcom was the game that introduced me to competitive gaming...
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...
Louwrentius
8 TB RAID 6 Linux software RAID using EXT4 Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID...
over a year ago
4
over a year ago
Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID 2314 (16x poorten) PSU: CooMas Silent Pro M 600W ATX2 (definitely not overkill) HD: Samsung 1 TB SAT2 HD103UJ (10x) OS: Debian Lenny with custom kernel (backported) FS: EXT4 RAID...
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 –...
Jonas Hietala
Let's build a VORON: Bed & electronics I’ve made a lot of progress on my VORON. Electronics and other stuff are installed to the degree...
a year ago
6
a year ago
I’ve made a lot of progress on my VORON. Electronics and other stuff are installed to the degree that I’ve begun wiring, but I’m going to separate the wiring into it’s own post. This will be a short post about bed preparation and installing electronics components. Feedback from...
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year 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...
Jonas Hietala
Pushing toward Git The time has come; it’s time for me to move my source out in the open for the first time. Repository...
over a year ago
6
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time. Repository deleted, never became anything Available on Github It’s nothing special really, if you want take a look at the code and help me improve it.
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
2 months ago
10
2 months ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Arduino Blog
This automatic laser turret keeps the cats entertained for hours Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their...
3 months ago
33
3 months ago
Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their cats indoors to avoid decimating the local wildlife population and that means Mr. Whiskers and Ms. Socks don’t get much opportunity to express their hunting urges. That’s why...
Jonas Hietala
We can build things! Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!!...
over a year ago
6
over a year ago
Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
Jonas Hietala
A Week of Headache This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had...
over a year ago
6
over a year ago
This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had this big headache all week, and some the week before and it’s gotten pretty bad so I can’t really concentrate on anything really. The electronics assignment was a bitch and it took a...
Notes on software...
A reawakening of systems programming meetups This year has seen a resurgence in really high quality systems programming meetups. Munich...
6 months ago
6
6 months ago
This year has seen a resurgence in really high quality systems programming meetups. Munich Database Meetup, Berlin Systems Group, SF Distributed Systems Meetup, NYC Systems, Bengaluru Systems, to name a few. This post summarizes a bit of disappointing recent tech meetup history,...
watchTowr Labs
Fortinet FortiGate CVE-2024-23113 - A Super Complex Vulnerability In A Super Secure Appliance In... Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a...
2 months ago
8
2 months ago
Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a Format String vulnerability, unusually, in Fortinet's FortiGate devices. It affected (before patching) all currently-maintained branches, and recently was highlighted by CISA as...
Vitalik Buterin's...
Halo and more: exploring incremental verification and SNARKs without pairings
over a year ago
./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...
Abort Retry Fail
The History of Windows 95 The Dawn of Microsoft's Golden Age
a year ago
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...
Posts on Made of...
Some notes on CVE-2010-3081 exploitability Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity...
over a year ago
6
over a year ago
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time. While investigating...
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...
Jonas Hietala
An update on my book 'Why Cryptocurrencies?' Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to...
over a year ago
4
over a year ago
Five months ago I gloriously declared that “my book was done”. Since then I’ve been working hard to finish the book. Sorry that’s a bit of a lie, I’ve had a nice long vacation where I didn’t work on the book and I’m also on part-time parental leave. And believe me there’s not a...
Home on Erik...
Subway waiting math Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found...
over a year ago
5
over a year ago
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found that at some point, quite early, it's worth just giving up. This isn't a proof that the subway doesn't run on time – in fact it might actually proves that the subway runs really...
Jonas Hietala
IDA Summer of Code 2014 IDA Summer of Code is Linköping University’s response to Google Summer of Code. Students can send in...
over a year ago
5
over a year ago
IDA Summer of Code is Linköping University’s response to Google Summer of Code. Students can send in a project of their choice and if selected they get paid to work on it for 4 weeks during the summer. In return the university get to show off the students and their projects in...
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd...
over a year ago
8
over a year ago
Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd like to be able to render this page in a web browser. If the server is hosted locally we may want to enter localhost:9000/hello-world.html in the address bar, hit enter, make a...
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!
./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...
Odds and Ends of...
Book now! Where we're going, we need roads (and trains) My next in-person event/meet-up, with transport policy expert Michael Dnes!
a month 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
Arduino Cloud is now available in AWS Marketplace! We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
3 months ago
39
3 months ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
Home on Erik...
Implicit data and collaborative filtering A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
7
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings. While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Posts on Made of...
Using X forwarding with screen by proxying $DISPLAY If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a...
over a year ago
5
over a year ago
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a long-running session going on a server somewhere, and log in and resume my session without losing any state. I also love X-forwarding. I love being able to log into a remote server...
Posts on Made of...
A Go/C Polyglot Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
7
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
Jonas Hietala
Giving the blog a facelift When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
7
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me: It wasn’t pretty (even ugly in some parts). No dark mode support. Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
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
5
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...
Matt Mullenweg
Michael Palmisano on Collier I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on...
2 months ago
10
2 months ago
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on YouTube, and one of my favorite genres of videos is genius musicians breaking down the incredible musical stuff Jacob is doing. (He even has his own instrument now.) This reaction...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
Matt Mullenweg
Studio Sync WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz....
yesterday
1
yesterday
WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz. Studio is our free and open source app for local WordPress development, enabling you to spin up unlimited WordPress sites on your personal computer. Through its newest feature, Studio...
Louwrentius
My home lab server with 20 cores / 40 threads and 128 GB memory Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this...
over a year ago
7
over a year ago
Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this moment, it's replaced by a cluster of four 1L PCs which use about a third of the idle power usage and boot within 20 seconds. The single-core performance of these low-power 1L PCs...
Home on Erik...
How to build up a data team (everything I ever learned about recruiting) During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people....
over a year ago
7
over a year ago
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people. Lots of them were rejected but lots of them also got offers. Finally, I've also had my share of offers rejected by the candidate.
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...
computers are bad
2023-02-07 secret government telephone numbers Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be...
a year ago
60
a year ago
Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be clear, the "secret" here was a joke and these buttons are in fact well documented. The buttons I was talking about were the AUTOVON call precedence buttons, used for a five-level...
Vitalik Buterin's...
A Prehistory of the Ethereum Protocol
over a year ago
Lighthouse Blog
How to subscribe to content
7 months ago
Lighthouse Blog
Deep dive into finding RSS feeds
a month ago
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
Jonas Hietala
I Made It! It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
5
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
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...
./techtipsy
They make USB-C cables with displays now! I’ve reached a point in my setup where most of the devices that I use are based around the coveted...
7 months ago
89
7 months ago
I’ve reached a point in my setup where most of the devices that I use are based around the coveted USB-C port. This meant that I had a valid reason to get a few extra because I didn’t yet have a stockpile of good USB-C cables. That’s when I found out that there exist cables that...
watchTowr Labs
Pots and Pans, AKA an SSLVPN - Palo Alto PAN-OS CVE-2024-0012 and CVE-2024-9474 It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been...
a month ago
8
a month ago
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been tough for SSLVPN appliances. Anyhow, there are new vulnerabilities (well, two of them) that are being exploited in the Palo Alto Networks firewall and SSLVPN offering, and as ever,...
Engineers Need Art
VPX Scripting - Part 2 (Linting) The second in a series of posts about scripting Visual Pinball tables.
8 months ago
Jonas Hietala
Home office renovation When we moved back to our childhood community and bought a house I had one pretty big requirement: I...
over a year ago
6
over a year ago
When we moved back to our childhood community and bought a house I had one pretty big requirement: I had to have a home office as I need to work remote. There simply isn’t any software development work for me here. So the later part of 2018 and early 2019 we’ve renovated an old...
Engineers Need Art
Jigsaw Puzzle Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big...
over a year ago
62
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
Arduino Blog
Improve indoor air quality with Arduino When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
8 months ago
68
8 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
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
6
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...
GitButler
Why GitHub Actually Won How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
4 months ago
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....
Louwrentius
Why I Do Use ZFS as a File System for My NAS On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
5
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS. You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
Posts on Made of...
A week with the iPhone I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about...
over a year ago
5
over a year ago
I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about it. First, the little things. It is, in typical Apple fashion, an incredibly slick piece of work. Scrolling and zooming images or webpages is simple, easy, and, well, just fun to do...
Posts on Made of...
Some Android reverse-engineering tools I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I...
over a year ago
7
over a year ago
I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I created a couple of useful tools that I figure are worth sharing. I’ve been using dedexer instead of baksmali, honestly mainly because the former’s output has fewer blank lines and so...
Jonas Hietala
Embedding youtube videos with Hakyll A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
7
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll. I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Jonas Hietala
Rising from the Dead, it's Ludum Dare I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
6
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Odds and Ends of...
Christmas Mailbag - Questions Wanted! Ask me stuff!
a month ago
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...
Louwrentius
AI is critically important but not for you Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their...
8 months ago
5
8 months ago
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their future growth on virtual reality. But I'm convinced that virtual reality will never be a mainstream thing. If you ever used VR you know why: A heavy thing on your head that messes up...
Ian's Blog
What the heck is OCSP? The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web...
over a year ago
7
over a year ago
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web browser) to check if a certificate has been revoked or not. Certificate Revocation? With asymmetrical encryption, your encryption is only as good as long as your private key remains...
Willem's Blog
Being a volunteer in Amsterdam-Zuidoost About my work as volunteer in the local community center in Amsterdam Zuidoost
over a year ago
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
3 months ago
20
3 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Notes on software...
A write-ahead log is not a universal part of durability A database does not need a write-ahead log (WAL) to achieve durability. A database can write its...
6 months ago
7
6 months ago
A database does not need a write-ahead log (WAL) to achieve durability. A database can write its long-term data structure durably to disk before returning to a client. Granted, this is a bad idea! And granted, a WAL is critical for durability by design in most databases. But I...
Home on Erik...
My favorite management failures For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
7
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Matt Blewitt
Thoughts on User Safety: 2 Following up from last time, let’s explore the internal and insider fronts when moving beyond...
over a year ago
7
over a year ago
Following up from last time, let’s explore the internal and insider fronts when moving beyond security towards safety for our users.
Applied Cartography
Hypermodern Django I've been on the hunt for a new way to dogfood Buttondown for the past month or so, and I've finally...
3 weeks ago
15
3 weeks ago
I've been on the hunt for a new way to dogfood Buttondown for the past month or so, and I've finally found it: Hypermodern Django. At this point, all of my/our usages of Buttondown for Buttondown don't involve archives: we're using it headlessly, with RSS-to-email and APIs...
Jonas Hietala
Reinstalling Slackware So I reinstalled slackware on my machine and decided to take some rough notes of the most important...
over a year ago
6
over a year ago
So I reinstalled slackware on my machine and decided to take some rough notes of the most important steps I made. I did not document the steps in detail, and some are very specific for my setup. But maybe it can be useful for someone, or myself. Basic steps Make slackware usb...
./techtipsy
You can use almost anything as a key file for your encrypted storage device Imagine that you have an unencrypted drive containing your private data and one day it starts...
a month ago
42
a month ago
Imagine that you have an unencrypted drive containing your private data and one day it starts throwing a bunch of errors. You have backups of the data so you’ve got that part covered, but would you feel comfortable sending the drive in to be warrantied? You have no control over...
computers are bad
2024-01-06 usb on the go USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption...
a year ago
79
a year ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption until some years later; for most of the '90s RS-232-ish serial and its awkward sibling the parallel port were the norm for external peripheral. It's sort of surprising that USB...
Jonas Hietala
Generating ideas So I got a fairly fun assignment from the game design course I’m taking for once. I should come up...
over a year ago
7
over a year ago
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up with 50 ideas using my own idea generation technique. I used a sort of “notes in the basket” approach where you placed some notes with words in a basket and randomly drew two and...
Buck on Software
Winds of Change Software is maybe, just maybe about to get exciting
6 months ago
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
4
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Old Vintage...
Refurb weekend: the Symbolics MacIvory Lisp machine I have hated Every collector has that machine, the machine they sunk so much time and, often, money into that...
2 months ago
46
2 months ago
Every collector has that machine, the machine they sunk so much time and, often, money into that they would have defenestrated it years ago except for all the aforementioned time and money. Yours truly is no exception. a future article.) They existed in highly technical...
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…
Home on Erik...
What's Erik up to? I joined Better in early 2015 because I thought the team was crazy enough to actually change one of...
over a year ago
6
over a year ago
I joined Better in early 2015 because I thought the team was crazy enough to actually change one of the largest industries in the US. For six years, I ran the tech team, hiring 300+ people, probably doing 2,000+ interviews, and according to GitHub I added 646,941 lines of code...
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
a month ago
Willem's Blog
Designing a multi dimensional capacity queue Dealing with a capacity queue is challenging, but if you take the time to model it right it is...
over a year ago
4
over a year ago
Dealing with a capacity queue is challenging, but if you take the time to model it right it is possible to create a performant and reliable system.
Applied Cartography
Improving Django's default pagination performance Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
5 months ago
7
5 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can. The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
./techtipsy
Disk is OK Maybe I am unlucky with computer hardware. Maybe I have the opposite of the golden touch of...
over a year ago
21
over a year ago
Maybe I am unlucky with computer hardware. Maybe I have the opposite of the golden touch of Midas. Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for. Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
Jonas Hietala
Swelling with New Shiny Books So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
6
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay! First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Good Enough
Actual Customer Support Is Remarkable What a sad thing to write. We believe in good software around here. There is a lot of poorly built...
a year ago
4
a year ago
What a sad thing to write. We believe in good software around here. There is a lot of poorly built software on the Internet and in the app stores. Our motivation with Good Enough is to try to put together a few products that feel just right to the folks using them. The things we...
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
4
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
Home on Erik...
Scala Data Pipelines for Music Recommendations Chris Johnson‘s presentation from Data Day Texas:
over a year ago
csvbase blog
DuckDB isn't just fast A whistlestop tour of the cool bits of DuckDB
7 months ago
Style over Substance
Peak Design quick-connect Leash and Cuff straps My camera collection has been growing steadily over the years, but it’s been expanding even faster...
over a year ago
77
over a year ago
My camera collection has been growing steadily over the years, but it’s been expanding even faster during the COVID-19 lockdowns. Online shopping therapy keeps me sane while I’m cooped up at home, and with easy access to eBay and other auction sites my GAS – photographers...
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.
Bryan Braun - Blog
Before you buy a domain name, first check to see if it’s haunted In mid-2022 I bought a new domain name. The name was musicbox.fun. I got it for a side-project, an...
2 months ago
10
2 months ago
In mid-2022 I bought a new domain name. The name was musicbox.fun. I got it for a side-project, an interactive online music box that I had built and hosted at musicboxfun.com. The new name was shorter and more quirky. I felt lucky to have grabbed it. Unfortunately, musicbox.fun...
Jonas Hietala
Moving private repositories to Bitbucket Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of...
over a year ago
5
over a year ago
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of courseand they even gave me a free students account and I still host all my public repositories there. Still, Bitbucket has unlimited free private repositories for up to 5 users...
Electronics etc…
Zephyr Ravenna Control Board Replacement Blog post that probably has an audience of one, myself. Introduction Zephyr Ravenna - Confusing...
8 months ago
124
8 months ago
Blog post that probably has an audience of one, myself. Introduction Zephyr Ravenna - Confusing Information Two PCBs - Control Board & Switch Assembly Switch of the Breaker!!! Glass Canopy Removal Duct Cover Removal Swapping the Control...
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
53
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
computers are bad
2023-06-07 something up there - nasa and uaps A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
64
a year ago
A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I am not addressing the recent claims by David Grusch. This is for a couple of reasons. First, I am skeptical of Grusch. He is not the first seemingly well-positioned former...
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
7
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal: $ ls .cabal/bin/ xmonad@ But still when I...
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...
Willem's Blog
Offline Music People sometimes act suprised when I tell them about my music hobby, manually converting CD's to...
over a year ago
6
over a year ago
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to lossless audio files; there is some reason to this madness however!
computers are bad
2023-07-29 Free Public WiFi Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
61
a year ago
Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza in Atlanta, Georgia. This was in the age when the price of a hotel room was directly correlated with the price of the WiFi service, and as a high school student I was not...
Arduino Blog
7 powerful ways to integrate Collaborative Coding into education with the Arduino Cloud Collaborative coding in education can be a game-changer for students, providing them with real-world...
2 months ago
26
2 months ago
Collaborative coding in education can be a game-changer for students, providing them with real-world skills in communication, teamwork, and problem-solving. With the new collaborating coding feature of the Arduino Cloud, students can collaborate in real time on coding projects,...
Home on Erik...
I already found the best gifs Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From...
over a year ago
4
over a year ago
Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
Notes on software...
A single-node Kubernetes cluster without virtualization or a container registry This post is a recipe for setting up a minimal Kubernetes cluster on Fedora without requiring...
over a year ago
2
over a year ago
This post is a recipe for setting up a minimal Kubernetes cluster on Fedora without requiring virtualization or a container registry. These two features make the system cloud-agnostic and the cluster entirely self-contained. The post will end with us running a simple Flask...
Louwrentius
Migration from blogger to blogofile and disqus is complete As stated in my previous post, I migrated all posts from blogger.com to my own host running...
over a year ago
7
over a year ago
As stated in my previous post, I migrated all posts from blogger.com to my own host running blogofile. At the time of my previous post, I was not able to restore all comments made on my old blog. Thanks to some help from disqcus I fixed an error on my behalf and all old comments...
Jonas Hietala
A Simple Thought I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about...
over a year ago
2
over a year ago
I wrote that we where doing some microprogramming, making the processor work etc. We had a lab about that yesterday and I was very, very nervous. The preparations weren’t that hard, but they where very bothersome. Converting the instructions to binary/hex by hand is never nice....
Jonas Hietala
2021 in review A new year is always a good time to review the past year. Funny how this is already the 12th year...
over a year ago
7
over a year ago
A new year is always a good time to review the past year. Funny how this is already the 12th year I’ve done this kind of quick review… Time sure flies. 2021 Non-Geek Achievements Started strength training using a strength coach from Kabuki. I got inspired by the book Peak that...
Notes on software...
How I run a software book club I've been running software book clubs almost continuously since last summer, about 12 months ago. We...
7 months ago
5
7 months ago
I've been running software book clubs almost continuously since last summer, about 12 months ago. We read through Designing Data-Intensive Applications, Database Internals, Systems Performance, and we just started Understanding Software Dynamics. The DDIA discussions were...
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...
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....
Good Enough
TIL: Managing Raspberry Pi software with a bit less pain For the printer project I'm working on, most of the software behind it runs "in the cloud", but...
a year ago
4
a year ago
For the printer project I'm working on, most of the software behind it runs "in the cloud", but there's some software that needs to run beside each printer, to check for new things to print and manage the process of downloading and sending those things to the printer component...
Computer Ads from...
NCR PC4i Growing with your needs
2 weeks ago
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...
Jonas Hietala
A friendly game of Twilight Imperium A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic. We...
over a year ago
4
over a year ago
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic. We were six players, most had played the third edition before. As I was quite hyped before the game, I had read up on the rules, watched a let’s play or two and listened to a podcast...
Jonas Hietala
CS:GO AWP Nerf When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I...
over a year ago
7
over a year ago
When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I ever make a game and I want someone to balance it and I had the money, I would hire Thorin.
Engineers Need Art
Kim-1 User Manual For sale: a few KIM-1 User Manuals I printed up.
a year ago
Louwrentius
Recovering a lost partition using gpart Even today people do not understand how important it is for the safety of your data to make backups....
over a year ago
6
over a year ago
Even today people do not understand how important it is for the safety of your data to make backups. I was asked to perform some data recovery on a hard drive of an old computer, which still contained important documents and photo's. The first thing I did was to make a disk image...
Matt Mullenweg
Inc Hit Piece When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
3 weeks ago
37
3 weeks ago
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a feature piece I was excited because though Inc wasn’t a magazine I have read much since I was a teenager, David seemed like a legit journalist who usually writes for better publications...
Home on Erik...
Luigi talk tomorrow At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed –...
over a year ago
6
over a year ago
At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed – check out the meetup web page for a link tomorrow.
Yazin Alirhayim
Braindump Been having a hard time lately focusing. It’s like whenever I start doing anything of any...
over a year ago
5
over a year ago
Been having a hard time lately focusing. It’s like whenever I start doing anything of any significance I get derailed, and fall into this spiral of thought where I reconsider whether what I’m about to do matters, why it would, and whether I could be doing something else that...
Electronics etc…
An In-Depth Look at the ICE-V Wireless FPGA Development Board Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot...
over a year ago
67
over a year ago
Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot Process UART Console Getting Started with the ICE-V Wireless Board for Real Reinstalling or Modifying the ESP32C3 Firmware The RISC-V Example FPGA Design Compiling the RISC-V Example...
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
4
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Yazin Alirhayim
Part 2: Will greater access to capital spark Bahrain’s economy? 👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access...
over a year ago
6
over a year ago
👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access to capital and why’s important to verify that we do in fact have a problem before we attempt to “solve” it. Now, we’re going to talk about the method for measuring the extent of...
Lighthouse Blog
Updates November 4: Free newsletter to RSS tool
2 months ago
Avestura's Blog
Problems of C, and how Zig addresses them What are the problems of C, and how Zig addresses them?
a year ago
Jonas Hietala
A Four-Eyed Update Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
4
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool. I took home three frames I think and tried them out and I settled some I...
Applied Cartography
Applied Cartography × People & Blogs There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
8
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that. To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Jonas Hietala
Monaco What's Yours is Mine I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
6
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!! I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing? Tomorrow...
Computer Ads from...
T/Maker: Tiny Software Company Takes on the Giants (Interview) An interesting look at a company with less than 20 employees playing with the big boys
2 months ago
Arduino Blog
Control your Raspberry Pi GPIOs with Arduino Cloud using Python | Part II As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs...
8 months ago
73
8 months ago
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs remotely. Well, you have landed in the right place.  This article builds upon our previous introduction to “Visualize your Raspberry Pi data with Arduino Cloud | Part I.” Now, we’ll...
Willem's Blog
Inspiration from a child Explore the world together with your kids and reap the rewards of adventure and fun!
over a year ago
Jonas Hietala
Computer upgrade After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some...
a year ago
4
a year ago
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some pictures about the process. It was time I didn’t really want to do an upgrade right now, but I felt I had to do it. Sometimes the lag had gotten very noticeable, for example when...
Matt Mullenweg
My Freedom of Speech WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
12
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
Vitalik Buterin's...
How do layer 2s really differ from execution sharding?
7 months ago
Old Vintage...
Refurb weekend: PowerBook Duo 2300c Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my...
a year ago
77
a year ago
Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my favourite PowerBook 1400: the metal hinges are starting to tear out of their attachment points in the plastic back of the display, and naturally it's the one with all the upgrades in...
Jonas Hietala
Language spec in code blocks Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
5
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it. It was to display the highlighted language in code blocks: The code spec displays what programming language the code...
Notes on software...
What makes a great technical blog I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely...
9 months ago
7
9 months ago
I want to explain why the blogs in My favorite technical blogs are my favorite. That page is solely about non-corporate tech blogs. So this post is too. I'll have to make another list for favorite corporate tech blogs. In short, they: Tackle hard and confusing topics Show working...
Notes on software...
Unit testing C code with gtest This post covers building and testing a minimal, but still useful, C project. We'll use...
over a year ago
7
over a year ago
This post covers building and testing a minimal, but still useful, C project. We'll use Google's gtest and CMake for testing C code. This will serve as a foundation for some upcoming posts/projects on programming Linux, userland networking and interpreters. test/CMakeLists.txt...
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
6
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Jonas Hietala
Game Design Analysis: World of Goo Introduction This is the second essay for the course Game Design and this thime I will be analysing...
over a year ago
8
over a year ago
Introduction This is the second essay for the course Game Design and this thime I will be analysing the game World of Goo a bit. The first level The game is very simple. You begin with a structure and a few Goo balls, the charming balls bobbing around there, which you can drag...
Willem's Blog
Assembling a cargo bike How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
6
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Notes on software...
Writing a SQL database from scratch in Go: 3. indexes Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions...
over a year ago
7
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions and WHERE filters 4. a database/sql driver In this post, we extend gosql to support indexes. We focus on the addition of PRIMARY KEY constraints on table creation and some easy...
Willem's Blog
One year of cycling GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
Good Enough
Adding Social Preview Images To Our 11ty Blog Twitter X recently removed headlines and descriptions from link previews, in the name of...
a year ago
4
a year ago
Twitter X recently removed headlines and descriptions from link previews, in the name of “esthetics.” Inspired by Steph Ango, while we try not to run our business on the whims of a social media platform, this change did push us into making a change we’ve been meaning to for...
Jonas Hietala
Printing Hextraction for my kids A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with...
11 months ago
8
11 months ago
A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with my 3D printer instead of just tinkering with it. I printed Hextraction, a very cool 3D printed board game for my kids—and they love it. Hextraction is a gamified marble run, where...
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
5
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!
Posts on Made of...
reptyr: Attach a running process to a new terminal Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an...
over a year ago
7
over a year ago
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an existing running program and attaching it to a new terminal. Started a long-running process over ssh, but have to leave and don’t want to interrupt it? Just start a screen, use...
Good Enough
Bad Ideas Are Fun Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that...
a year ago
5
a year ago
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that coming up with ideas is actually very easy––what makes it hard is that we’re aiming for good ideas. The next time you're coming up with ideas, tell yourself, Forget about good...
Louwrentius
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
3
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...
Louwrentius
Using iSCSI with time machine and Super Duper In the past, as a Mac user, I've used separate external drives for Time Machine backups and Super...
over a year ago
5
over a year ago
In the past, as a Mac user, I've used separate external drives for Time Machine backups and Super Duper clones but I'm not happy with that. External hard drives make noise and create clutter. I'd like to move away all my storage from my living room (or home office) and put it in...
Jonas Hietala
Mining Incorporated (unfinished) Download Linux 64bit Windows Timelapse https://www.youtube.com/watch?v=NIbr-mLi4DU I made a very...
over a year ago
7
over a year ago
Download Linux 64bit Windows Timelapse https://www.youtube.com/watch?v=NIbr-mLi4DU I made a very serious attempt at making a grand game for Ludum Dare 29. Unfortunately it was a far, far, too big of a game for me to be able to finish it in one weekend. But I had a great...
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Neil Madden
A controversial opinion about REST API design I was just reading yet another article on REST API design guidelines. Some of it is good advice,...
a year ago
4
a year ago
I was just reading yet another article on REST API design guidelines. Some of it is good advice, some of it I could quibble with. But several of the rules are about how to design the path hierarchy of your API: use plural nouns, don’t use nested sub-paths unnecessarily, etc. In...
Home on Erik...
What is the right level of specialization? For data teams and anyone else. This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this...
over a year ago
7
over a year ago
This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this specialization of data teams into 99 different roles (data scientist, data engineer, analytics engineer, ML engineer etc) is generally a bad thing driven by the fact that tools are...
Abort Retry Fail
Unboxing New Old Stock Windows 3.11 A Photo Gallery
a year ago
Willem's Blog
Measuring cholesterol levels in blood This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know...
over a year ago
4
over a year ago
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know your LDL, HDL and Triglycerides numbers with a simple test.
watchTowr Labs
Palo Alto - Putting The Protecc In GlobalProtect (CVE-2024-3400) Welcome to April 2024, again. We’re back, again. Over the weekend, we were all greeted by...
8 months ago
4
8 months ago
Welcome to April 2024, again. We’re back, again. Over the weekend, we were all greeted by now-familiar news—a nation-state was exploiting a “sophisticated” vulnerability for full compromise in yet another enterprise-grade SSLVPN device. We’ve seen all the commentary around the...
Good Enough
Yes, Facebook Is Terrible, but Also… I’m not on Facebook. It was eight or ten years ago when I left for good. While there were some good...
a year ago
7
a year ago
I’m not on Facebook. It was eight or ten years ago when I left for good. While there were some good and useful interactions, the algorithm brought me down, I didn’t have a lot of desire to keep up with old acquaintances, and hearing everyone’s political stance was not good for...
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
a month ago
24
a month ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
Jonas Hietala
September theme: Failure I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
4
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site. Let’s rock!!
Matt Mullenweg
Kindness and Techcrunch Disrupt Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their...
2 months ago
9
2 months ago
Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their awesome non-profit kindness.org. You can listen to it through Pocket Casts here: This is kind of funny because I’m obviously in the midst of the big battle with Silver Lake and WP...
Willem's Blog
Giving AI Training Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent...
a year ago
4
a year ago
Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent AI training session that's reshaping professional landscapes.
Willem's Blog
Riding with Omata One If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
6
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Louwrentius
How to run victron veconfigure on a mac Introduction Victron Multiplus-II inverter/charges are configured with the veconfigure1 tool....
10 months ago
6
10 months ago
Introduction Victron Multiplus-II inverter/charges are configured with the veconfigure1 tool. Unforntunately this is a Windows-only tool, but there is still a way for Apple users to run this tool without any problems. Tip: if you've never worked with the Terminal app on MacOS, it...
Notes on software...
Why (and how) to read books The last time I read for fun was in elementary school. Since college I knew I must read more, but I...
over a year ago
5
over a year ago
The last time I read for fun was in elementary school. Since college I knew I must read more, but I never forced myself to build the habit. Then three years ago I spent time around my brother and a coworker who were avid readers. This "peer pressure" helped me get started. Since...
detreville
This is "detreville" It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
a year ago
Willem's Blog
Different ways to visualise health To better understand how to visualise health I looked at different health/fitness apps and games.
over a year ago
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.
Willem's Blog
Data versus Feeling Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to...
3 weeks ago
44
3 weeks ago
Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to find out the differences!
Matt Mullenweg
Cloudflare Stories There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s...
2 months ago
7
2 months ago
There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s incredible story about Tim Jenkin, who created a secure communication protocol for the African National Congress to overthrow the apartheid regime in South Africa. Cloudflare’s CTO,...
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...
Vitalik Buterin's...
Glue and coprocessor architectures
4 months ago
Willem's Blog
Something the smartwatch will never have: patina Patina is often neglected when comparing smartwatches with regular watches.
over a year ago
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The...
over a year ago
4
over a year ago
Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
10
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
Posts on Made of...
Software Engineers should keep lab notebooks Software engineers, as a rule, suck at writing things down. Part of this is training – unlike...
over a year ago
5
over a year ago
Software engineers, as a rule, suck at writing things down. Part of this is training – unlike chemists and biologists who are trailed to obsessively document everything they do in their lab notebooks, computer scientists are taught to document the end results of their work, but...
Birchtree
When do the Trump flags come down? (members post) The flags are still flying, celebrating the man, not the country. Why is this something that happens...
4 weeks ago
9
4 weeks ago
The flags are still flying, celebrating the man, not the country. Why is this something that happens now, and why is it something only happening on one end of the political spectrum?
Arduino Blog
This smart spice box makes cooking a breeze Many people shy away from cooking because they’re overwhelmed by all of the different steps and...
6 months ago
48
6 months ago
Many people shy away from cooking because they’re overwhelmed by all of the different steps and ingredients. Recipes are useful, but they aren’t very intuitive to those who are more comfortable with visual thinking. To help these people enjoy the cooking experience, Purdue...
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
5
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support. Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download. First,...
Neil Madden
I still don’t really get “hash shucking” If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
7
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Louwrentius
The future of ZFS now that OpenSolaris is dead With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very...
over a year ago
4
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very popular and very advanced Zetabyte File System (ZFS) The only open source platform that actively supports ZFS is FreeBSD. And they just 'copied' the code from OpenSolaris. Are they...
Jonas Hietala
A Christmas Game I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly...
over a year ago
6
over a year ago
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly one thing on my wishlist for this christmas for my little brother: Ticket to Ride: Nordic Countries. Guess what? I got something from my wishlist! This was our 5th or 6th game (or...
Simply Explained
Analyzing Link Rot in My Newsletter (After 31 Editions) I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to...
a year ago
7
a year ago
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to interesting articles related to science and technology. I thought it would be interesting to analyze how many of those links are still accessible, and how many have succumbed to link rot....
Louwrentius
Debian Linux Preseeding - an installation framework Look Ma! No hands! just watching a system PXE-boot and install itself into a fully...
over a year ago
6
over a year ago
Look Ma! No hands! just watching a system PXE-boot and install itself into a fully operational system is fun. PXE boot and preseeding is not enough however to accomplish this. By itself, preseeding only installs a basic operating system. Next, you need to configure all sorts of...
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...
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
39
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
Louwrentius
'Linux: monitor a directory for files' Inotify is a mechanism in the Linux kernel that reports when a file system event occurs. The...
over a year ago
4
over a year ago
Inotify is a mechanism in the Linux kernel that reports when a file system event occurs. The inotifywait comand line utility can be used in shell scripts to monitor directories for new files. It can also be used to monitor files for changes. Inotifywait must be installed and is...
Applied Cartography
Using Cursor to port Django tests to pytest When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using...
4 months ago
6
4 months ago
When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using these tools (Supermaven is a pretty heavy part of my day-to-day work), but have found most tools quite bad by the metric of "do they make me more productive on Buttondown's code...
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
5
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
Jonas Hietala
How I did the layout for my self-published book This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
10 months ago
5
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version. I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things. Web page I started...
Jonas Hietala
Let's create a Tree-sitter grammar One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax...
9 months ago
4
9 months ago
One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters 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...
Louwrentius
Personal Security: erase your computer or phone before repair Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have...
over a year ago
4
over a year ago
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have to find some other person with greater computer knowledge to repair their computer or phone. That person will then be able to access all data stored on their computer or phone. By...
Odds and Ends of...
How I learned to stop worrying and love the military industrial complex Whether Trump wins or loses today, Europe should tool up and prepare to fight.
2 months ago
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
8 months ago
Posts on Made of...
Regular Expression Search with Suffix Arrays Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had...
over a year ago
4
over a year ago
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had worked, using a trigram index. By that point, I’d already implemented early versions of my own livegrep source-code search engine, using a different indexing approach that I...
Applied Cartography
Notes on ActivityPub By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
7
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is. Something that gives distinctly bad...
Willem's Blog
Swimming and cycling with Apple Watch This month I tested the newest watchOS while swimming and cycling.
over a year ago
Home on Erik...
More Luigi! Continuing in the same spirit of shameless self-promotion, here's some recent Luigi press: Reddit...
over a year ago
4
over a year ago
Continuing in the same spirit of shameless self-promotion, here's some recent Luigi press: Reddit thread A Guide to Python Frameworks for Hadoop (slides from the NYC Hadoop User Group) This presentation from the Open Analytics NYC meetup about how Foursquare uses Luigi  Luigi...
Nabeel S. Qureshi
How To Understand Things The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
over a year ago
Notes on software...
Notes on running Electron This is an external post of mine. Click here if you are not redirected.
over a year ago
computers are bad
2023-11-04 nuclear safety Nuclear weapons are complex in many ways. The basic problem of achieving criticality is difficult on...
a year ago
109
a year ago
Nuclear weapons are complex in many ways. The basic problem of achieving criticality is difficult on its own, but deploying nuclear weapons as operational military assets involves yet more challenges. Nuclear weapons must be safe and reliable, even with the rough handling and...
Willem's Blog
From tree to table Creating a night stand from a raw slab of chestnut wood.
over a year ago
Louwrentius
Don't use cloud services if you care about secrecy of your data When you use cloud services, you are storing your data on other people's hard drives. The moment you...
over a year ago
4
over a year ago
When you use cloud services, you are storing your data on other people's hard drives. The moment you put your data within a cloud service, that data is no longer under your control. You don't know who will access that data. Secrecy is lost. Instead of using services like Gmail...
Louwrentius
'Tip of the day for every Linux or Unix user: brace expantion' Searching the web I discovered some really nice feature of the unix shell, which I didn't know...
over a year ago
4
over a year ago
Searching the web I discovered some really nice feature of the unix shell, which I didn't know about. Try this: touch foobar.conf Now try this: cp foobar.conf{,.bak} It is equivalent to: cp foobar.conf foobar.conf.bak This is also the easiest way to create sequences. Do not use...
seangoedecke.com RSS...
I don't know how to build software and you don't either Are microservices better than monoliths? Should teams set their own technical direction, or is it...
a month ago
9
a month ago
Are microservices better than monoliths? Should teams set their own technical direction, or is it better to have that dictated by some…
Jonas Hietala
Early Christmas Present School is almost over and it’s almost time to travel back up to Övertorneå. This year me and...
over a year ago
5
over a year ago
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and Veronica opened our Christmas presents a bit early - we’re impatient like that. I got one of the best presents yet I think! A Raspberry Pi! Just look at this bad boy! She got some...
Louwrentius
'Linux: unattended installation with Debian preseeding' Debian Linux provides a mechanism to install the operating system without user intervention. This...
over a year ago
4
over a year ago
Debian Linux provides a mechanism to install the operating system without user intervention. This mechanism is called 'preseeding' and is similar to Red Hat Kick Start and Sun Solaris Jump Start. The basic idea is that the installer is fed a recipe, according to which the system...
Arduino Blog
This nature-inspired display reacts to ambient sounds We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
3 weeks ago
27
3 weeks ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 weeks ago
24
3 weeks ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...