Full Width [alt+shift+f] Shortcuts [alt+shift+k]
Sign Up [alt+shift+s] Log In [alt+shift+l]
Top Categories > technology
#all #programming #history #startups #technology #science #life #literature #architecture #travel #creative #design #comics #cartography #finance #AI #indiehacker Muted Categories [alt+←][alt+→]
Good Enough
Issue 0: Collector's Item 1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s...
over a year ago
3
over a year ago
1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s item in your hands: the very first Good Enough Newsletter. This is the beginning of what we (Barry Hess & Shawn Liu) hope to be a years-long series of communiqués with our rabid...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
74
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
computers are bad
2024-02-25 a history of the tty It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator...
10 months ago
67
10 months ago
It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator servers to embedded controllers in appliances, there must be uncountable devices that think they are connected to a TTY. I will omit the many interesting details of the Linux terminal...
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806) In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!-...
6 months ago
3
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl) 13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
3
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
4 months ago
50
4 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
Posts on Made of...
Write testable code by writing generic code Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains...
over a year ago
2
over a year ago
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains several software engineers nearly as obsessed with software testing as I am): uhh, so I’m writing some code to handle an econnreset… how do I test this? This is a good question!...
Arduino Blog
Why is STEAM education important for kids? 6 activity tips School’s out for summer – at least for most of us. While the majority of children (and teachers!)...
5 months ago
52
5 months ago
School’s out for summer – at least for most of us. While the majority of children (and teachers!) will probably be breathing a huge sigh of relief, parents face a new challenge: how to keep kids engaged during the long break. Of course, downtime is important, but there are also...
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
computers are bad
2023-12-23 ITT Technical Institute Programming note/shameless plug: I am finally on Mastodon. The history of the telephone industry is...
a year ago
56
a year ago
Programming note/shameless plug: I am finally on Mastodon. The history of the telephone industry is a bit of an odd one. For the greatest part of the 20th century, telephony in the United States was largely a monopoly of AT&T and its many affiliates. This wasn't always the case,...
Willem's Blog
Building a product platform Leverage platform capabilities to quickly launch new products, designing for reusability,...
over a year ago
2
over a year ago
Leverage platform capabilities to quickly launch new products, designing for reusability, flexibility and extensibility.
Home on Erik...
Everything I learned about technical debt I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover...
over a year ago
2
over a year ago
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover that. Instead, I will talk a little bit about technical debt. The concept of technical debt always resonated with me, partly because I always like the analogy with “real” debt.
Louwrentius
Switching away from Debian to Ubuntu LTS Over the last couple of years, Debian Linux has released new stable versions about every two years....
over a year ago
2
over a year ago
Over the last couple of years, Debian Linux has released new stable versions about every two years. This pace is great for progress, but there is a serious problem. This problem is related to their support for older Debian stable versions. If you read the quote below from the...
Yazin Alirhayim
Tracking where a WhatsApp user came from At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
3
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”. A problem we faced really early on when connecting to WhatsApp was that...
Matt Blewitt
On That Okta LDAP Bug A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance...
a month ago
4
a month ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently Ok, so I have to first preface this whole blog post by a few things: I really struggle with the...
over a year ago
2
over a year ago
Ok, so I have to first preface this whole blog post by a few things: I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Arduino Blog
Easy and fun block-based coding with the Alvik robot is here, now Chromebook compatible! At Arduino, we believe coding should be accessible to everyone – including the youngest learners....
a month ago
20
a month ago
At Arduino, we believe coding should be accessible to everyone – including the youngest learners. With this in mind, we’re thrilled to announce that the Arduino Alvik robot now officially supports block-based coding! Coding has never been easier thanks to Alvik’s seamless...
Arduino Blog
Arduino partners with RS/OKdo strategically to further expand the China Market Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the...
a month ago
18
a month ago
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the distribution of industrial and electronic equipment. This collaboration marks a significant step forward in bringing Arduino’s technology closer to China’s thriving maker community...
Vitalik Buterin's...
What else could memecoins be?
8 months ago
Applied Cartography
Keeping a technical edge Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss...
3 months ago
3
3 months ago
Someone emailed me in response to Two years as an independent technologist, in which I wrote: I miss of being at a large company, which is dealing with deeply cutting-edge technical problems, but my ability to analyze information, make decisions, and perform at a high-level has...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size....
over a year ago
3
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size. The format utility will take this stride size into account when formatting a device. The stride size is the number you get when you divide the 'chunck' size, as specified with...
Jonas Hietala
Poking at Emacs I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty...
over a year ago
2
over a year ago
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty confident and happy with it. For those who don’t know it’s basically a text editor, like notepad, but with a lot of keycommands which allows you to edit code (and text in general)...
Good Enough
Beware of Free Software Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
3
a year ago
Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it. And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Jonas Hietala
Ludum Dare 20 Timelapse So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I...
over a year ago
2
over a year ago
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I lost the first few hours as I forgot to turn it on… Anyway here’s the result: https://www.youtube.com/watch?v=ABVPlRaA5iI
Odds and Ends of...
We need more than Westminster reporters to understand government Lobby correspondent hegemony is bad.
a week ago
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
2
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them. Protecting that signing key is important, as Apple must blindly trust any binaries...
lcamtuf’s thing
How do wood finishes hold up? A quick 18-month experiment to shed light on traditional woodworking lore.
3 months ago
Posts on Made of...
Tracking down a memory leak in Ruby's EventMachine At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services....
over a year ago
2
over a year ago
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services. Over the last several months, we’ve known that one such service suffered from a gradual memory leak, that would cause its memory usage to gradually balloon from a normal ~50MB to...
Home on Erik...
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
1
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.
Computer Ads from...
Plus Post: Rockwell AIM 65 The Company Rockwell International has been around for quite a while. Willard Rockwell started the...
7 months ago
104
7 months ago
The Company Rockwell International has been around for quite a while. Willard Rockwell started the company in 1919 to sell a newly designed truck axle bearing. Over the years, Rockwell acquired businesses in many different fields, including defense, industrial electronics,...
watchTowr Labs -...
Cleo Harmony, VLTrader, and LexiCom - RCE via Arbitrary File Write (CVE-2024-50623) We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators...
a week ago
6
a week ago
We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators using a zero-day exploit in Cleo MFT software - namely, LexiCom, VLTransfer, and Harmony - applications that many large enterprises rely on to share files securely. Cleo have a...
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
3
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...
Lighthouse Blog
Updates July 07
5 months ago
./techtipsy
How to start your self-hosting adventure: a high-level overview Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in...
over a year ago
30
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in /r/homelab, storage measured in terabytes (or even petabytes) over at /r/datahoarder, all the different services that people host over at /r/selfhosted. This can be a bit...
Home on Erik...
Why conversion matters: a toy model There are often close relationships between top level business metrics. For instance, it's well...
over a year ago
2
over a year ago
There are often close relationships between top level business metrics. For instance, it's well known that retention has a super strong impact on the valuation of a subscription business. Or that the % of occupied seats is super important for an airline.
seangoedecke.com RSS...
Blockchain for beginners Introduction This is a guide for developers who kinda sorta know what blockchains are for (making...
over a year ago
2
over a year ago
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making distributed crypto-currencies like Bitcoin…
Buck on Software
Model transitions: A framework for value creation And a quick and dirty look at SPLK, NTNX, and GWRE
over a year ago
Birchtree
My favorite (and least favorite) movies of 2024 I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
a week ago
5
a week ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Matt Mullenweg
UH Magazine, Revisiting My Alma Mater My father attended University of Houston, and it’s where I went to college to study political...
a week ago
8
a week ago
My father attended University of Houston, and it’s where I went to college to study political science, I started WordPress when there, and then dropped out after two years to move to San Franisco. It was fun seeing UH Magazine feature an article about my journey from a University...
./techtipsy
How to fix ZFS pool not importing at boot Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
23
over a year ago
Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using zpool import poolname or zpool import -a. In...
Willem's Blog
Replacing a Shimano shift cable After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
2
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
Home on Erik...
The software engineering rule of 3 Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
2
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*. This is what I've noticed: Don't factor out shared code between two classes.
Jonas Hietala
The Decline of FPS Games I read an article about the decline of FPS games and it made me think a bit. When was the last time...
over a year ago
2
over a year ago
I read an article about the decline of FPS games and it made me think a bit. When was the last time I actually enjoyed an FPS game? I installed old Deus Ex a while ago but it’s what 12 years old? Team Fortress was okay, the one or two times I tried it, but I can’t say I truly...
Willem's Blog
Repairing a Giro AEON bicycle helmet Try fixing your Giro bicycle helmet? I went through some trouble to do it! Read along to find out...
over a year ago
Arduino Blog
Track the location history of your devices in Arduino Cloud IoT dashboards Asset tracking has become increasingly crucial across various industries and applications. Whether...
6 months ago
41
6 months ago
Asset tracking has become increasingly crucial across various industries and applications. Whether you’re a logistics company monitoring your fleet, a conservation organization tracking wildlife, or an individual passionate about outdoor adventures, the ability to track and...
Arduino Blog
Arduino CLI 1.0 is out! We are excited to share some incredible news with you all! We recently released the Arduino CLI...
3 months ago
17
3 months ago
We are excited to share some incredible news with you all! We recently released the Arduino CLI version 1.0.0, marking a significant milestone for our software. This release is a big deal because it signifies the stabilization of the software API, bringing greater reliability and...
Christian Selig
More Efficient/Faster Average Color of Image Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of...
over a year ago
28
over a year ago
Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of why you might want this! Finding the average color of an image is a nice trick to have in your toolbelt for spicing up views. For instance on iOS, it’s used by Apple to make their...
Willem's Blog
Refining my tablet OS experience Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
over a year ago
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...
a month ago
4
a month 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...
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
71
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...
./techtipsy
I have a 'Dall UD19PB ThundeRbglt Dock': my experience with the HP Elitebook 845 G9 I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and...
over a year ago
45
over a year ago
I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and also out of morbid curiosity. It’s the HP Elitebook 845 G9, and it has pretty good specifications: CPU: AMD Ryzen 7 6800U RAM: 2x16GB DDR5 Storage: 512GB KIOXIA NVMe SSD...
Abort Retry Fail
The History of Slackware The Oldest Surviving Linux Distribution
a year ago
somenice
CBC Spark with Nora Young Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
46
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Abort Retry Fail
The History of Windows 2.0 Success and Litigation
a year ago
Lighthouse Blog
Updates September 9: Feed finding
3 months ago
Jonas Hietala
Up like a Sun, Down like a Pancake I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
2
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
Old Vintage...
After 41 years, my first assembly program on my first computer, the Tomy Tutor We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor...
9 months ago
83
9 months ago
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor isn't a replacement system I secondarily acquired, nor is it a Ship of Theseus Frankenstein rebuild. This is my actual first computer, in its original case, on its original...
Louwrentius
How to escape file names in bash shell scripts After fighting with Bash for quite some time, I found out that the following code provides a nice...
over a year ago
3
over a year ago
After fighting with Bash for quite some time, I found out that the following code provides a nice basis for escaping special characters. Ofcource it is not complete, but the most important characters are filtered. If anybody has a better solution, please let me know. It works and...
Applied Cartography
Why your marketing site should be separate In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
3 months ago
3
3 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
Engineers Need Art
Casady & Greene Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software...
3 months ago
41
3 months ago
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software publishing.
Ken Shirriff's blog
Antenna diodes in the Pentium processor I was studying the silicon die of the Pentium processor and noticed some puzzling structures...
4 weeks ago
6
4 weeks ago
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where signal lines were connected to the silicon substrate for no apparent reason. Two examples are in the photo below, where the metal wiring (orange) connects to small square regions of...
Odds and Ends of...
Important information if you used my Bluesky MP follows bot Please read this immediately.
2 weeks ago
Applied Cartography
Use Rails I have a good number of people ask me what software stack they should use. I always have a two-part...
7 months ago
3
7 months ago
I have a good number of people ask me what software stack they should use. I always have a two-part answer: Use what you're familiar with. If there's something that you've spent a good amount of time using, stick with that one. Rails. People are usually surprised when I say this...
Arduino Blog
How to use vintage LED bubble displays with your Arduino If you want to add a display to your Arduino project, the easiest solution will likely be an LCD or...
a month ago
24
a month ago
If you want to add a display to your Arduino project, the easiest solution will likely be an LCD or OLED screen. But though those are affordable and work really well, they may not provide the vibe you’re looking for. If you want a more vintage look, Vaclav Krejci has a great...
Jonas Hietala
A Vacation Filled with Obsession A nice thing about school are the nice long vacations. Directly after my last exam we went north to...
over a year ago
3
over a year ago
A nice thing about school are the nice long vacations. Directly after my last exam we went north to our dear home village Övertorneå and spent two weeks celebrating Christmas and New Years Eve. What did we do? I practiced some obsessive behavior with Power Grid and Minecraft (and...
Computer Ads from...
ProHance Technologies' Power Mouse Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
csvbase blog
I didn't write any Javascript, and other shortcuts Getting it done by not doing a lot of it
a year ago
Style over Substance
Guy’s Cool Tools This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their...
over a year ago
85
over a year ago
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their recommendations for years. So much, so that I even started a Pinterest board filled with my own recommendations. But after a few years of running into the limitations of the form, I...
Home on Erik...
It's called Berkson's paradox! As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
2
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox. Here's another example: Why Are Handsome Men Such Jerks?
Jonas Hietala
Ludum Dare 22 results! The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was...
over a year ago
3
over a year ago
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was quite happy with it. #24 Community 3.71 #40 Fun 3.38 #49 Theme 3.69 #65 Overall 3.42 #95 Humor 2.82 #167 Mood 2.92 #247 Innovation 2.69 #338 Audio 2.23 #340 Graphics 2.62 #376...
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary In this post we'll stumble toward a working emulator for a barebones C program compiled for...
over a year ago
2
over a year ago
In this post we'll stumble toward a working emulator for a barebones C program compiled for linux/AMD64. The approach will be slightly more so based on observation than by following a spec; a great way to quickly become familiar with a topic, and a bad way to...
Louwrentius
1.0 GB/s using Linux software RAID I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I...
over a year ago
2
over a year ago
I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I immediately performed some initial tests with software RAID 0. The results are just astounding. debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000 50000+0 records in 50000+0...
computers are bad
2024-03-17 wilhelm haller and photocopier accounting In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first...
9 months ago
87
9 months ago
In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first practical method of mass-duplicating text. After various other projects, he applied his press to the production of the Bible, yielding over one hundred copies of a text that...
Push to Prod
Metrics Are The Map, Not The Territory We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
4 months ago
2
4 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
seangoedecke.com RSS...
Acing the design interview If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work...
over a year ago
3
over a year ago
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work with a particular web service or…
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
3
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Home on Erik...
Simple sabotage for software CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
2
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...
detreville
The IBM 701 "IBM's first computer"
a year ago
Old Vintage...
Refurb weekend: Data General/One (and the worst LCD in the world) I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't...
8 months ago
78
8 months ago
I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't collect interesting or unusual x86 laptops, like the Brother GeoBook NB-60 (I finally tracked down a mostly working NB-80C, the top of the line model, which will be the subject of a...
Arduino Blog
Turn your old Android smartphone into an Arduino screen with the RemoteXY app Each component you add to your Arduino project increases its complexity and the opportunity for...
5 days ago
13
5 days ago
Each component you add to your Arduino project increases its complexity and the opportunity for mistakes. But most projects require some “auxiliary” hardware — components that you use to interact with the Arduino or to help it do the job you’re asking of it. Buttons and displays...
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
2
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...
Good Enough
PEOs are Good Enough (for us) Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
2
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about! If...
Neil Madden
SipHash-based encryption for constrained devices I see a lot of attempts to define encryption schemes for constrained devices with short...
7 months ago
2
7 months ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
Matt Blewitt
Corporate Legibility for Software Engineers Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those...
over a year ago
2
over a year ago
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those not directly involved. I’ll help you understand why this is an important thing to be aware of and how to use it to help your career.
Vitalik Buterin's...
為什麼權益證明棒棒的(2020 年十一月)
over a year ago
Jonas Hietala
Evolution of RTS games Introduction This is an essay for the course Game Design and I’m going to give you a ride through...
over a year ago
2
over a year ago
Introduction This is an essay for the course Game Design and I’m going to give you a ride through the evolution of RTS game genre. I like RTS games and I’ve played them for as long as I can remember, from the classic Red Alert and Age of Empires to the newer Supreme Commander and...
seangoedecke.com RSS...
Avoiding worry driven development Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
2
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
96
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible. But this time I’m pleasantly surprised. The Lenovo ThinkPad P14s gen 4 has great specs: CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz) GPU:...
Arduino Blog
A DIY weather display with dedicated outdoor sensor station Weather stations are popular projects in the maker community because they’re useful and usually...
6 months ago
63
6 months ago
Weather stations are popular projects in the maker community because they’re useful and usually quite affordable to construct. But most that we see are really weather information displays that gather data through the internet from stations in the region. That data is fairly...
Notes on software...
Exploring a Postgres query plan I learned this week that you can intercept and redirect Postgres query execution. You can hook into...
a year ago
3
a year ago
I learned this week that you can intercept and redirect Postgres query execution. You can hook into the execution layer so you're given a query plan and you get to decide what to do with it. What rows to return, if any, and where they come from. That's very interesting. So I...
Arduino Blog
Adjusting office chair height with simple voice commands A month ago, ElectronicLab modified his office chair with an electric car jack, giving it motorized...
4 months ago
27
4 months ago
A month ago, ElectronicLab modified his office chair with an electric car jack, giving it motorized height adjustment. That worked well, but required that he push buttons to raise or lower the seat. Pushing those buttons is a hassle when one’s hands are full, so ElectronicLab...
Louwrentius
My experiences with DFS replication on Windows 2008 R2 If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
2
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2. I've implemented DFS replication to keep two...
Gwern.net Newsletter
Jan 2021 Gwern.net Newsletter January 2021 gwern.net newsletter with links on AI scaling up and down.
over a year ago
Lighthouse Blog
Deep dive into finding RSS feeds
2 weeks ago
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
4 months ago
2
4 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Home on Erik...
Home
over a year ago
Ken Shirriff's blog
Inside a ferroelectric RAM chip Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special...
3 months ago
3
3 months ago
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special "ferroelectric" material. Ferroelectric memory is nonvolatile like flash memory, able to hold its data for decades. But, unlike flash, ferroelectric memory can write data...
Neil Madden
A few programming language features I’d like to see I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming...
a year ago
2
a year ago
I enjoyed Hillel Wayne’s recent newsletter about microfeatures they’d like to see in programming languages. A “microfeature” is essentially a small convenience that makes programming in that language a bit easier without fundamentally changing it. I love this idea. I’m partial to...
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
3 weeks ago
12
3 weeks ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
Lighthouse Blog
How to import feeds in Lighthouse
8 months ago
Willem's Blog
iPad Pro as primary computer Is the time right to use an iPad as primary development platform to get some real work done?
over a year ago
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
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
3
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...
Notes on software...
Writing a minimal in-memory storage engine for MySQL/MariaDB I spent a week looking at MySQL/MariaDB internals along with ~80 other devs. Although MySQL and...
11 months ago
2
11 months ago
I spent a week looking at MySQL/MariaDB internals along with ~80 other devs. Although MySQL and MariaDB are mostly the same (more on that later), I focused on MariaDB specifically this week. Before last week I had never built MySQL/MariaDB before. The first day of this hack week,...
Applied Cartography
Buttondown Analytics 3.0 Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
2
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'. Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Neil Madden
CVE-2022-21449: Psychic Signatures in Java The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
2
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
latest projects -...
Motorised Camera Slider [Hardware] Simple smooth motor mod
5 months ago
./techtipsy
Tech rants: PC-s use way too much power in 2021 Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with...
over a year ago
46
over a year ago
Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with peak power consumption at 296W GPU-s that consume 350-400W of power under normal use At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Style over Substance
Create a Hue-compatible DIY LED light sculpture Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art,...
over a year ago
56
over a year ago
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art, using cheap LED strips and DIY parts you can order online. The post Create a Hue-compatible DIY LED light sculpture appeared first on Style over Substance.
./techtipsy
Cool links This is an unsorted list of links that I find to be cool. slow roads sit back, relax and let the AI...
a year ago
36
a year ago
This is an unsorted list of links that I find to be cool. slow roads sit back, relax and let the AI do all the driving or don’t, I’m not your dad
anderegg.ca
More details on Bluesky’s subscription plan Update: I had missed this, but the Bluesky team had already announced a subscription model was on...
2 weeks ago
6
2 weeks ago
Update: I had missed this, but the Bluesky team had already announced a subscription model was on the way. I had written this article assuming that was the news. What is new is the work happening on their official apps, which contains details on features and potential pricing. An...
Jonas Hietala
Weekend Tournaments This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament...
over a year ago
3
over a year ago
This weekend was filled by playing cards. On Saturday I hosted a small Game of Thrones tournament and on Sunday the local Netrunner community hosted a small summer kit tournament. Game of Thrones We’ve had a similar tournament once before when me and my girlfriend invited two of...
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
2
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
watchTowr Labs -...
No Way, PHP Strikes Again! (CVE-2024-4577) Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by...
6 months ago
2
6 months ago
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by default”, and we were curious to say the least. XAMPP is a very popular way for administrators and developers to rapidly deploy Apache, PHP, and a bunch of other tools, and
Willem's Blog
Moving to the countryside Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
over a year ago
2
over a year ago
Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
Matt Blewitt
Software Sprezzatura Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
2
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
Jonas Hietala
An Epic Start Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
3
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Notes on software...
Analyzing large JSON files via partial JSON parsing This is an external post of mine. Click here if you are not redirected.
over a year ago
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
3
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...
Construction Physics
The Long Road to Fiber Optics Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
Applied Cartography
Two weeks of parenthood We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about...
2 months ago
4
2 months ago
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about parenthood. (In all seriousness, consider the below descriptive and not prescriptive: mostly, it's a notepad filled with things that were remarkable or surprising or divergent from...
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
lcamtuf’s thing
The 101 of analog signal filtering Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
5 months ago
computers are bad
2024-07-13 the contemporary carphone Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation...
5 months ago
66
5 months ago
Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation that has stuck in my brain: sophisticated computer users, nerds if you will, have a tendency to completely ignore things that they know are worthless. He was referring to the...
Jonas Hietala
Now we have a Forum In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style...
over a year ago
2
over a year ago
In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style for the awesome phpBB - the forum itself was up and running in say 10min and the rest of the latest days has been all about customizing. Now it’s finally kinda complete so here it is...
Home on Erik...
Detecting corporate fraud using Benford's law Note: This is a silly application. Don't take anything seriously. Benford's law describes a...
over a year ago
2
over a year ago
Note: This is a silly application. Don't take anything seriously. Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
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
2
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....
Computer Ads from...
Plus Post: Lobo MAX-80 The Computer Tandy Should Have Built (at least according to the ad).
9 months ago
Home on Erik...
The mathematical principles of management I've read about 100 management books by now but if there's something that always bothered me it's...
over a year ago
2
over a year ago
I've read about 100 management books by now but if there's something that always bothered me it's the lack of first principles thinking. Basically it's a ton of heuristics. And heuristics are great, but when you present heuristics as true objectives, it kind of clouds the...
computers are bad
2023-03-13 the door close button This will probably be a short one, and I know I haven't written for a while, but it has always been...
a year ago
42
a year ago
This will probably be a short one, and I know I haven't written for a while, but it has always been the case that you get what you pay for and Computers Are Bad is nothing if not affordable. Still, this is a topic on which I am moderately passionate and so I can probably stretch...
anderegg.ca
Playing with the Bluesky firehose Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver...
3 weeks ago
4
3 weeks ago
Over the weekend I started playing around with Jetstream, a project from the Bluesky team to deliver a JSON based firehose of atproto data. Here’s an overview of the simple project I built with that data. I was inspired by a post from Simon Willison where he showed off a tool for...
Electronics etc…
Measuring the HP 11720A Pulse Modulator and Coax Cables Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse...
a year ago
76
a year ago
Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse Modulator Inside the HP 11720A Measurement Setup for a Quick Testing Session Pin Modulator Power Measurements with HP 432A Cable Loss Measurements with HP 432A Cable Power Measurements with...
Jonas Hietala
The Arty Timeline While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
3
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are: And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Jonas Hietala
Bitcoin's security isn't binary I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s...
over a year ago
3
over a year ago
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s security isn’t binary. In fact security in general isn’t black and white. It’s a trade-off being secure enough for your threat model vs the cost and feasibility of your...
Jonas Hietala
Goals for Autumn 2016 Every once and a while I like to redo my priorities and set new goals for myself. I recently read...
over a year ago
2
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself. I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
2
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Posts on Made of...
How I Write Tests The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
2
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
Posts on Made of...
Transformers for software engineers Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
2
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
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
72
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...
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
2
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.
Old Vintage...
Finally, an MOS 7600/7601 Video Game Array data sheet A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS...
a year ago
60
a year ago
A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS Technology's dedicated "Pong-on-a-chip" (from the company that brought you my favourite CPU, the MOS 6502) that's actually a rather sophisticated microcontroller for the era. I own...
Arduino Blog
Can remote co-presence keep distant human connections alive? The pandemic made a lot of things obvious, not the least of which is that humans need social...
5 months ago
70
5 months ago
The pandemic made a lot of things obvious, not the least of which is that humans need social interaction to maintain good mental health. Sadly, many of us spend our lives physically separated from our loved ones by great distances or inopportune circumstances. That’s why a team...
./techtipsy
ThinkPad as a server: third time's the charm This is a follow-up to my two previous attempts on this topic: Can a laptop from 2012 be a viable...
2 months ago
31
2 months ago
This is a follow-up to my two previous attempts on this topic: Can a laptop from 2012 be a viable home server? ThinkPad as a server: the follow-up Since then, I’ve had quite a few changes to my home server setup: I put my home server stuff on an IKEA pegboard I tried the...
Home on Erik...
The relationship between commit size and commit message size Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's...
over a year ago
3
over a year ago
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's my rationale: When I update one line of code I feel like I have to put in a long explanation about its side effects, why it's fully backwards compatible, and why it fixes some...
Willem's Blog
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
2 weeks ago
Good Enough
The Element of Surprise Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is...
a year ago
3
a year ago
Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is best, but rather as a side effect of how we all happened to meet each other. We met remotely, we did not end up all moving into some commune, and so to work together we must work...
Jonas Hietala
New Computer! I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
3
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are). The specs: GPU: Gigabyte GeForce GTX 550Ti OC 1GB CPU: Intel core i5 2500K CPU cooler: Zalman CNPS-9900NT Motherboard: MSI P67A-C45 REV B3 Ram:...
Abort Retry Fail
The History of Commodore, Part 4 The Amiga, The Decline, The Fall
a year ago
Notes on software...
Intercepting and modifying Linux system calls with ptrace How software fails is interesting. But real-world errors can be infrequent to manifest....
a year ago
2
a year ago
How software fails is interesting. But real-world errors can be infrequent to manifest. Fault injection is a formal-sounding term that just means: trying to explicitly trigger errors in the hopes of discovering bad logic, typically during automated tests. Jepsen and ChaosMonkey...
./techtipsy
The little Wi-Fi AP that could I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short...
over a year ago
25
over a year ago
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short overview of one of them. The Orange Pi Zero is a SBC (single board computer) that has a slow 32-bit ARM 4 core CPU, 512MB of RAM and no display output. It’s actually quite OK for many...
Lars Lofgren
What Happened After I Outed a Reddit Mod for Affiliate Spam I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate...
3 months ago
2
3 months ago
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate spam. It’s reddit marketing gone awry. The post blew up and got a decent amount of attention. Then I got a front row seat to how deep of a spam filled porta-potty Reddit has become....
Notes on software...
HTML event handler attributes: down the rabbit hole This is an external post of mine. Click here if you are not redirected.
over a year ago
Yazin Alirhayim
The best bank in Bahrain … is Meem Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking...
over a year ago
2
over a year ago
Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking to those of you that read my last post that ripped the Meem app to shreds. Criteria for ‘best bank’ My criteria for “best bank” isn’t the best user experience or customer support....
Engineers Need Art
VPX Scripting - Part 6 (End Sound) This post wraps up the sound work on Teacher's Pet.
8 months ago
Opsbros
WetSocks Revival How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do...
over a year ago
3
over a year ago
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do to get WetSocks Windows 98 tray weather app working again.
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
2
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...
Louwrentius
Convert dos file to linux format wit vim If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end...
over a year ago
2
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end with ^M. To fix this, you can use the tool dos2unix. If however this tool is not at your disposal, you may have a problem. If vim is available, you do not have a problem: The trick...
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
lcamtuf’s thing
The untimely demise of an image upscaler ML-based image enhancement models are great. Unfortunately, some of them are great only once.
3 months ago
Good Enough
Grassroots TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
3
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff! As we’ve been...
Willem's Blog
Realtime human pose recognition through computer vision For an exciting new project I have been experimenting with TensorFlow, enabling realtime pose...
over a year ago
3
over a year ago
For an exciting new project I have been experimenting with TensorFlow, enabling realtime pose detection using PoseNet.
Willem's Blog
Dig for dummies Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
2
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
./techtipsy
How to mess up a simple ThinkPad X230 BIOS flash and how to recover from it Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main...
over a year ago
19
over a year ago
Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main laptop and a server as well. A couple of years ago I messed around with flashing alternative BIOS implementations on the X230, such as the skulls project, which made installing...
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty (This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
3
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here) In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Louwrentius
Rebooting results in degraded RAID array using Debian Lenny As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB...
over a year ago
2
over a year ago
As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB disks that are in fact two 0.5 TB disks in RAID 0.  I wanted to upgrade to Lenny because the new kernel that ships with Lenny supports growing a RAID 6 array. After installing Lenny...
Louwrentius
Why VMware vSphere replication is changing the game If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
2
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure. SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
Opsbros
Saibah Securitah It's always okay to buy the domain for the meme!
over a year ago
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
3
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E) I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
3
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Willem's Blog
Back to the University Join me on a special course exploring scientific programming, the perfect moment to learn Python...
a year ago
2
a year ago
Join me on a special course exploring scientific programming, the perfect moment to learn Python with recent advancements in machine learning like ChatGPT!
Construction Physics
How We Got the Lithium-ion Battery It took decades of research, performed around the world, before a practical lithium-ion battery was...
3 weeks ago
Home on Erik...
Machine, Platform, Crowd I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
2
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters. Ok, I lied a little bit. I didn't discover it serendipitously.
Louwrentius
Improving web application security by implementing database security Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
2
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
Arduino Blog
Synjets provide non-contact haptic feedback If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
83
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
computers are bad
2023-04-10 solving problems with chatgpt One of the foundational goals of computer technology, at least as understood by popular culture, is...
a year ago
56
a year ago
One of the foundational goals of computer technology, at least as understood by popular culture, is to automate away our jobs. When your job is (put simply) to get computers to work correctly, there's sort of an irony to this view of things. Still, just within the span of my...
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
2
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts. I firmly believe that it's the role of a system to respect the user's intent.
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
Gwern.net Newsletter
November newsletter November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
3
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
Arduino Blog
Adding proximity unlock to an old car with the Arduino Nano 33 BLE A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically...
5 months ago
33
5 months ago
A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically unlocks the doors when the driver approaches while carrying their key fob. When paired with a push-to-start ignition switch, the driver never has to take their keys out of their pocket....
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag Some computer related levity from OZ
2 weeks ago
Arduino Blog
This disturbing Halloween doll was brought to life with Bottango Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near...
a month ago
28
a month ago
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near the top of the list. That extends beyond store-bought costumes and decorations to DIY projects. If you want an excuse to make something impractical, Halloween can provide that. And...
Opsbros
Tasmota Quad Switch Breakout The Tasmota Quad Switch Breakout is designed to make connecting a custom quad light switch to a...
over a year ago
2
over a year ago
The Tasmota Quad Switch Breakout is designed to make connecting a custom quad light switch to a Wemos D1 mini running Tasmota super super easy.
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
39
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
Electronics etc…
Remote Controlling an HP 1670G Logic Analyzer with a Linux PC X Server Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the...
12 months ago
74
12 months ago
Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the logic analyzer Allow the logic analyzer to access your Ubuntu X server Configure the X-window Settings on the logic analyzer Install and declare the HP logic analyzer font...
Good Enough
Jelly was #1 on Hacker News Yesterday, Lettini took a chance and posted about Jelly on Hacker News, a discussion site notorious...
a month ago
4
a month ago
Yesterday, Lettini took a chance and posted about Jelly on Hacker News, a discussion site notorious for it's mercurial population of tech-maybe-too-saavy experts. Jelly is a tough sell for some of them, those with the technical skill to pipe email at a low level through...
Jonas Hietala
Design for Hackers has arrived! Design for Hackers It’s here! After about a month of waiting I’ve finally gotten the book that will...
over a year ago
3
over a year ago
Design for Hackers It’s here! After about a month of waiting I’ve finally gotten the book that will make me a design god! Or at least make me aware of something called design. Joking aside I’m really terrible at design and making things look good. Admittedly my programming art...
Posts on Made of...
Navigating the Linux Kernel In response to my query last time, ezyang asked for any tips or tricks I have for finding my way...
over a year ago
3
over a year ago
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way around the Linux kernel. I’m not sure I have much in the way of systematic advice for tracking down the answers to questions about the Linux kernel, but thinking about what I do when...
Arduino Blog
These Shattered Space helmet replicas stay video game accurate using an Arduino Nano Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called...
2 months ago
17
2 months ago
Starfield, a game set in the vast expanse of our galaxy, is receiving a new expansion called “Shattered Space” in which players can don novel weapons and gear to take on the latest challenge. As part of its release, the expansion’s publisher Bethesda reached out to cosplayer...
On Life and Lisp
OpenGL 3.1 on Asahi Linux Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
5
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
Jonas Hietala
2013 Read Books I actually read more books in 2013 than in 2012. In a somewhat unorganized list: Fiction Livet...
over a year ago
2
over a year ago
I actually read more books in 2013 than in 2012. In a somewhat unorganized list: Fiction Livet Deluxe - Jens Lapidius Escape from camp 14 - Blaine Harden Wonderful. A great book. Edge - Jeffery Deaver Dollar - Lee Child Gisslan - Lee Child Bränd - Lee Child Besökaren - Lee...
Louwrentius
Linode hacked: the dark side of cloud hosting Linode has released an update about the security incident first reported on April 12, 2013. The...
over a year ago
2
over a year ago
Linode has released an update about the security incident first reported on April 12, 2013. The Linode Manager is the environment where you control your virtual private servers and where you pay for services. This is the environment that got compromised. Linode uses Adobe's...
computers are bad
2024-08-31 ipmi I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home,...
3 months ago
38
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home, here in New Mexico. One of the steps in this process is, of course, purchasing a new server... the current Big Iron is getting rather old (probably about a decade!) and here in...
Matt Mullenweg
Inc Hit Piece When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
3 days ago
12
3 days 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...
Willem's Blog
Designing my own watch Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical...
over a year ago
1
over a year ago
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical annual calendar designed to be understated and true to the metal.
computers are bad
2024-04-05 the life of one earth station Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all?...
8 months ago
109
8 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all? As a result, I've periodically come across a company called AlphaStar Television Network. PrimeStar may have had a rough life, but AlphaStar barely had one at all: it launched in...
Notes on software...
How I run a software book club I've been running software book clubs almost continuously since last summer, about 12 months ago. We...
6 months ago
2
6 months ago
I've been running software book clubs almost continuously since last summer, about 12 months ago. We read through Designing Data-Intensive Applications, Database Internals, Systems Performance, and we just started Understanding Software Dynamics. The DDIA discussions were...
Jonas Hietala
Widening the horizon This is a game making site but where are the games? What gives? I’ve been slightly less motivated in...
over a year ago
2
over a year ago
This is a game making site but where are the games? What gives? I’ve been slightly less motivated in making games lately and I’ve been doing different things, just to get my ideas and my motivation up. As I said in an earlier post I wanted a break from Experimental Games and I...
./techtipsy
Good reads This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule,...
a year ago
25
a year ago
This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule, Manager’s Schedule a must-read for anyone working in a software development team. Helps express what most of us have felt at some point in our careers. The case of the 500-mile...
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
2
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed. So I googled around and found this post...
Louwrentius
'Tip of the day: Scrolling in GNU screen' Just the answer: By default, on Debian, the scroll back buffer is about 1K lines. This can...
over a year ago
3
over a year ago
Just the answer: By default, on Debian, the scroll back buffer is about 1K lines. This can be changed in the .screenrc file in your home directory. The following example sets the scroll back buffer to 5K lines. defscrollback 5000 Set the scroll back buffer on the fly with: First...
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
59
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Posts on Made of...
Efficiency trades off against resiliency What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from...
a year ago
2
a year ago
What’s the “right” level of CPU utilization for a server? If you look at a monitoring dashboard from a well-designed and well-run service, what CPU utilization should we hope to see, averaged over a day or two? It’s a very general question, and it’s not clear it should have a...
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
3
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
Jonas Hietala
The I'm Great quote A new semester at the uni and so far it looks promising; I got a hold of some new books even though...
over a year ago
2
over a year ago
A new semester at the uni and so far it looks promising; I got a hold of some new books even though the bookstore had a snakelike queue similar to the Jörmungandr (the snake that encircled the earth in nordic mythology) and our new programming course started. This time it’s Ada’s...
Louwrentius
I resurrected my Dutch movie review site from 2003 Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the...
over a year ago
2
over a year ago
Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Jonas Hietala
Focusing Attention: Drawing In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
2
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
Jonas Hietala
Postmortem: MenuCity Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
2
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game. Let’s start...
Arduino Blog
Using Arduino UNO to sync a visual neuroscience lab Common research methods to study the visual system in the laboratory include recording and...
2 months ago
14
2 months ago
Common research methods to study the visual system in the laboratory include recording and monitoring neural activity in the presence of sensory stimuli, to help scientists study how neurons encode and respond, for example, to specific visual inputs.  One of the biggest technical...
axio.ms
Pickle plus mains Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
3
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science. Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
Willem's Blog
Six months with MCADD It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
3
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Engineers Need Art
Move Fast and Abandon Things For every shareware game I released in the 1990's, another four were partially written but put aside...
3 months ago
38
3 months ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
OH8HUB’s Substack
A quick visit to Vaajasalo island Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred....
a year ago
63
a year ago
Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred. There’s also a winery called Alahovi Berry Wine Farm. They produce berry wines, cider, beer and liqueur. The temptation to visit them was huge, but I was on tight schedule. Maybe...
computers are bad
2024-10-12 commercial HF radio According to a traditional system of classification, "high frequency" or HF refers to the radio...
2 months ago
35
2 months ago
According to a traditional system of classification, "high frequency" or HF refers to the radio spectrum between 3 and 30 MHz. The label now seems anachronistic, as HF is among the lowest ranges of radio frequencies that see regular use. This setting of the goalposts in the early...
Louwrentius
Getting the Sitecom AC600 Wi-Fi adapter running on Linux TL;DR Yes it works with some modifications of the driver source. A USB Wi-Fi adapter I used with a...
over a year ago
3
over a year ago
TL;DR Yes it works with some modifications of the driver source. A USB Wi-Fi adapter I used with a Raspberry Pi broke as I dropped it on the floor, so I had to replace it. I just went to a local shop and bought the Sitecom AC600 adapter as that's what they had available (with...
Home on Erik...
Analyzing 50k fonts using deep neural networks For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
2
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
Louwrentius
FFmpeg performance on a Core i7 920 @ 3.6 Ghz The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies)...
over a year ago
2
over a year ago
The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies) to iPod format (640x480 x264). Thread support is enabled, to FFmpeg uses about 250% CPU. That's 2.5 of the 4 cores available. If possible, I would have liked to see it use all four...
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
2
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...
Louwrentius
Script that shows smart values of all disks' Please use this tool on github instead of this ancient script. So you have a Linux system with a lot...
over a year ago
1
over a year ago
Please use this tool on github instead of this ancient script. So you have a Linux system with a lot of hard drives. If you want to quickly check on some key SMART values to determine the health of individual disks, you might be interested in this script. I wrote a small Python...
Willem's Blog
Upgrading a 27-inch iMac 5K to 14 terabytes This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and...
over a year ago
2
over a year ago
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and some spare time I was able to resurrect it from the death!
Notes on software...
First few hurdles writing a Scheme interpreter I started working on BSDScheme last October, inspired to get back into language implementation after...
over a year ago
2
over a year ago
I started working on BSDScheme last October, inspired to get back into language implementation after my coworker built bshift, a compiler for a C-like language. BSDScheme is an interpreter for a (currently small subset of) Scheme written in D. It implements a few substantial...
axio.ms
Internet of kitchen lighting, with OSC This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say...
over a year ago
2
over a year ago
This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
Jonas Hietala
Jonas IceCream Stand Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game. Jonas IceCream...
over a year ago
2
over a year ago
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game. Jonas IceCream Stand Instructions It should be pretty self-explanatory, it’s a very simply tycoon game. Credits Music: Eric Maskol Steve Chatterton Sound effects: freesound Rest: Me
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by...
11 months ago
78
11 months ago
Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by Orthogonal Demodulation Misc Introduction While researching a DSP related topic, Google dug up an excellent article, written by Hideo Okawara, that is just one part of a series of ~53. I...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024 Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
6 months ago
94
6 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
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
52
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...
Jonas Hietala
Blogging in Djot instead of Markdown What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
2
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec? John Macfarlane, Beyond Markdown I recently...
Jonas Hietala
Autocomplete with nvim-cmp Autocomplete tags in the frontmatter. Autocompletion is an absurdly powerful feature that I—and I...
7 months ago
3
7 months ago
Autocomplete tags in the frontmatter. Autocompletion is an absurdly powerful feature that I—and I must assume most programmers—use all the time. It’s not as crucial for writing blog posts as when you’re coding but it’s still easy to come up with examples of how autocomplete...
./techtipsy
My very first career day This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the...
10 months ago
105
10 months ago
This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the help of GreenDice. I’ve never spoken at a career day before nor attended one as a student, which is why I instantly agreed to going to one when GreenDice reached out to me. Why? I...
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
2
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Vitalik Buterin's...
How will Ethereum's multi-client philosophy interact with ZK-EVMs?
a year ago
Louwrentius
Cannot access Windows guest within VMware Fusion when running vsphere client Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
2
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host. The trouble is that both ESXi...
Louwrentius
Release of PPSS - the Parallel Processing Shell Script PPSS is a shell script that processess files or other items in parallel. It is designed to make use...
over a year ago
2
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is designed to make use of the current multi-core CPUs. It will detect the number of available CPUs and start a thread for each CPU core.  This script is build with the goal to be very easy to use. Also,...
Posts on Made of...
Design for Testability When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
2
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other? In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
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!
3 weeks ago
computers are bad
2024-12-04 operators on the front At the very core of telephone history, there is the telephone operator. For a lot of people, the...
2 weeks ago
19
2 weeks ago
At the very core of telephone history, there is the telephone operator. For a lot of people, the vague understanding that an operator used to be involved is the main thing they know about historic telephony. Of course, telephone historians, as a group, tend to be much more...
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
3
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...
latest projects -...
Portable Probability Panel [Misc] Laser-cut Galton board
5 months ago
Willem's Blog
Improve your sleep by blocking light I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
over a year ago
2
over a year ago
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
computers are bad
2023-04-27 los alamos - compound to county pt I This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on...
a year ago
57
a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on the quality of their software. Clearly this is not the kind of opportunity I would turn down, but I also always take an excuse to drive back up the hill. I only lived in Los...
Louwrentius
Visual representation of hard drives and their temperature If you build a NAS with many drives, it may be of interest to you which drives get hot and where...
over a year ago
3
over a year ago
If you build a NAS with many drives, it may be of interest to you which drives get hot and where they are located in the chassis. My Norco 4020 case has twenty drives in RAID 6, plus two operating system drives in RAID 1. I wrote a script that shows me the temperature of each...
Simply Explained
ESP32: Keep WiFi connection alive with a FreeRTOS task I have a few ESP32's running in my house. A few of them are running 24/7 and require an always-on...
over a year ago
3
over a year ago
I have a few ESP32's running in my house. A few of them are running 24/7 and require an always-on WiFi connection. That's been quite tricky to implement. I used to include various checks throughout my code, but that's not scalable.What I need is something running in the...
Willem's Blog
Free from the iCloud: Escaping Apple Photos Recently I freed myself from Apple Photos, using free software to manage my photo library. Read...
over a year ago
2
over a year ago
Recently I freed myself from Apple Photos, using free software to manage my photo library. Read along to find out what software I use and how to make it play nice with your devices.
computers are bad
2023-11-25 the curse of docker I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza...
a year ago
72
a year ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker. Packaging software is one of those fundamental...
Jonas Hietala
rustc: error while loading shared libraries: librustc_driver I had installed and used rust already but today I fired it up and received: rustc...
over a year ago
3
over a year ago
I had installed and used rust already but today I fired it up and received: rustc --version rustc: error while loading shared libraries: librustc_driver-7e44814b.so: cannot open shared object file: No such file or directory I’ve seen this before… I thought modifying...
Lighthouse Blog
How to organize content
6 months ago
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
2
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...
Notes on software...
Writing a SQL database, take two: Zig and RocksDB For my second project while learning Zig, I decided to port an old, minimal SQL database project...
over a year ago
2
over a year ago
For my second project while learning Zig, I decided to port an old, minimal SQL database project from Go to Zig. In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than my usual), we'll create a basic embedded SQL database in Zig on top of RocksDB. Other than the...
Louwrentius
ZFS on Linux: monitor cache hit ratio I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust...
over a year ago
2
over a year ago
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust the numbers I got, I wanted to know how many of the IOPs I got were due to cache hits rather than disk hits. This is why I wrote a small shell script called archhitratio. Sample...
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
2
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server. Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS IMPORTANT! (update January 2013) I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Jonas Hietala
Let's build a VORON: Smaller fixes I’ve been busy. Busy printing stuff. Which is awesome, because one big worry I had was if I’d...
10 months ago
2
10 months ago
I’ve been busy. Busy printing stuff. Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time. But of course, I’ve been slowly working through my large mods-I-want list. My initial plan was to...
Jonas Hietala
Ores Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added...
over a year ago
2
over a year ago
Now we can build rooms, we can place objects and the worker will do things for us. Now I’ve added some ores which makes the game look a bit less boring. I realize I’ve spent all my time on these little things and I still don’t have a game! But it doesn’t matter, maybe I can...
Jonas Hietala
Breaking the rule of three It’s pretty darn stressful making a game in a week, especially when you have this big great vision...
over a year ago
3
over a year ago
It’s pretty darn stressful making a game in a week, especially when you have this big great vision on how your game should be (which is always grand). For me making Balls, Black and White and Jonas IceCream Stand where truly stressful, MenuCity and Bugger not so much but...
Lighthouse Blog
Hidden features
6 months ago
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget  Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
2 months ago
34
2 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
Jonas Hietala
An invisible Remake What does a guy like me do when not working on a new game? Except living my life, being a coach for...
over a year ago
2
over a year ago
What does a guy like me do when not working on a new game? Except living my life, being a coach for my little brother’s hockey team and eating strawberries? The last week or so I’ve been working hard with my webpage, yes this page. If you’ve visited my site before today you’ll...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
41
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Lighthouse Blog
Updates April 19
8 months ago
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
2
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
2
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Posts on Made of...
Property Testing Like AFL In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
3
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Applied Cartography
Notebook as marketing primitive Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from...
2 months ago
3
2 months ago
Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from SingleStore — notebooks as a first-party page! There are a handful of nice things about this idea: Very easy to fan out. You're not going to really run out of sample notebooks from which you...
Louwrentius
Performance monitoring using dstat I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is...
over a year ago
2
over a year ago
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is currently happening on your Linux box. Dstat allows you to monitor the system load, disk troughput, disk io, network bandwith, and many more items. Dstat is so valuable because it...
Home on Erik...
Conversion rates – you are (most likely) computing them wrong How hard can it be to compute conversion rate? Take the total number of users that converted and...
over a year ago
3
over a year ago
How hard can it be to compute conversion rate? Take the total number of users that converted and divide them with the total number of users. Done. Except… it's a lot more complicated when you have any sort of significant time lag.
Abort Retry Fail
Housekeeping for 20240309 Super quick updates
9 months ago
Birchtree
Squashing links on social media Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are...
2 weeks ago
6
2 weeks ago
Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are deeply dangerous. If anyone on Instagram can just link to any old store on the web, how can Instagram — meaning Facebook, Instagram’s increasingly-overbearing owner — tightly
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP...
over a year ago
2
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP connection. UPDATE July 2011 Due to hardware problems, I was not able to achieve transfer speeds beyond 150 MB/s. By replacing a network card with one from another vendor (HP...
Arduino Blog
This nature-inspired display reacts to ambient sounds We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
13
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Arduino Blog
Explore e-paper technology with Nano Matter and the new EPDK-Matter from Pervasive Displays We’re excited to share that Pervasive Displays has just launched the E-Paper Development Kit for...
a week ago
7
a week ago
We’re excited to share that Pervasive Displays has just launched the E-Paper Development Kit for Matter! This groundbreaking, self-contained kit is designed to revolutionize how smart home devices use e-paper displays, enhancing user experience while driving down energy...
Arduino Blog
Controlling a drum machine with the Arduino Opta Makers have long asked the question “why bother with an expensive PLC when I can just use an...
5 months ago
66
5 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
Jonas Hietala
5 Years at Linköping's University I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
3
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
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
2
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.
Buck on Software
The Wrong Bet The next decade in SaaS won't look like the last
over a year ago
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
2
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...
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
2
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...
Posts on Made of...
Iron Blogger: Blogging for Beer So, you may have noticed that I suddenly started updating this blog for the first time in a while....
over a year ago
3
over a year ago
So, you may have noticed that I suddenly started updating this blog for the first time in a while. The reason is that I’ve recently started an ongoing event with a whole bunch of friends around here to encourage us to blog more. Like so many good ideas, it all started with a...
Home on Erik...
hdfs2cass Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
2
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
Arduino Blog
The end of Mbed marks a new beginning for Arduino As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially...
5 months ago
34
5 months ago
As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially destined to reach end of life in July 2026, and therefore will no longer be maintained. The news has sent ripples through the embedded development community, particularly affecting...
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
over a year ago
Good Enough
All About CSS: Alphabetize, Normalize, and Dark-mode-itize Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid...
a year ago
2
a year ago
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid writers and sharers… I’m not. But they keep chanting “One of us. One of us.” so I suppose you’ll see me around here sometimes. For my inaugural post, I thought I’d quickly share what...
Vitalik Buterin's...
An approximate introduction to how zk-SNARKs are possible
over a year ago
Vitalik Buterin's...
STARKs, Part 3: Into the Weeds
over a year ago
Arduino Blog
Web Serial Camera stream with Arduino Hey there, fellow tech enthusiasts! Ever wondered how you could effortlessly stream camera footage...
4 months ago
36
4 months ago
Hey there, fellow tech enthusiasts! Ever wondered how you could effortlessly stream camera footage from your Arduino boards directly to your web browser? Wonder no more! Arduino’s Web Serial Camera demo shows how to bring your camera projects to life. Stream images from your...
GitButler
Fixing up Git with Autosquash How can you amend a series of commits automatically to keep a clean history? Let's take a look at...
9 months ago
2
9 months ago
How can you amend a series of commits automatically to keep a clean history? Let's take a look at git autosquash.
Vitalik Buterin's...
From prediction markets to info finance
a month ago
Jonas Hietala
We moved away from the city When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never...
over a year ago
3
over a year ago
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never to stay there permanently. We just moved there to study but the longterm plan, if you can have one at that stage, was always to move back to the north of Sweden where we came...
Willem's Blog
Cleaning a vintage watch This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old...
over a year ago
2
over a year ago
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old beauty underneath layers of dirt!
Louwrentius
Apple is killing off the optical drive just like the floppy disk With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the...
over a year ago
2
over a year ago
With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the dvd. As with the previous MacBook Air, this device has no optical drive. And that is a good thing. People do not need an optical drive. You have the network and you have USB disks....
computers are bad
2024-09-26 the GE switched services network We currently find ourselves in something of a series, working our way from private lines to...
2 months ago
39
2 months ago
We currently find ourselves in something of a series, working our way from private lines to large private line systems like the four-wire private-line national warning system. Let's continue to build on the concept of the private line into large corporate systems. In principle, a...
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?
4 months ago
Good Enough
Pika: Start Your Happy Blog Have you thought about starting or restarting a blogging habit? Have you wanted to write on the...
10 months ago
3
10 months ago
Have you thought about starting or restarting a blogging habit? Have you wanted to write on the internet, but at your own place and at your own address rather than on a social network? Have you been overwhelmed by the online writing options that you’ve found? Well, have we got...
anderegg.ca
Anzu Castle Gracula Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy...
a month ago
4
a month ago
Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy oddity, this game is extremely well made and quite fun! Lots of Castlevania II vibes going on here. Check out Anzu Castle Gracula on Steam, or give it a shot on Itch.io.
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago