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Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
latest projects -...
LED Industrial Piercing [Hardware] Illuminated circuit inside a hypodermic
a year ago
Vitalik Buterin's...
Some ways to use ZK-SNARKs for privacy
over a year ago
Willem's Blog
Lunch by plane This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
over a year ago
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Construction Physics
How China Is Like the 19th Century U.S. I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
a month ago
33
a month ago
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
Jonas Hietala
Why I still blog after 15 years Time flies when you’re having fun. Before you know it, your little babies have started school, you...
2 months ago
3
2 months ago
Time flies when you’re having fun. Before you know it, your little babies have started school, you celebrate the 30th anniversary of Jurassic Park, and that little blog you started have now been going for 15 years. 15 years is a long time; longer than I’ve been waiting for Winds...
Arduino Blog
How makers can use AR and VR Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in...
6 months ago
35
6 months ago
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in popularity, with the combined market expected to reach $77 billion by 2025, from just $15.3 billion in 2020. For makers, AR and VR represent exciting opportunities to build new...
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
62
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Avestura's Blog
An opinion on what's a good general-purpose programming language What features should a programming language have to be ideal, in my opinion?
over a year ago
Engineers Need Art
Kim-1 User Manual For sale: a few KIM-1 User Manuals I printed up.
a year ago
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
2
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
Louwrentius
PPSS version 2.30 now operates asynchronous If you background a bash or shell process, how do you determine if it has finished? Since inter...
over a year ago
3
over a year ago
If you background a bash or shell process, how do you determine if it has finished? Since inter process communication is not possible using shell scripts, people often refer to while loops or other polling mechanisms to determine if some process has stopped. However, the one...
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
30
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
Abort Retry Fail
The History of Windows 2.0 Success and Litigation
a year ago
Matt Mullenweg
Response to DHH I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal,...
2 months ago
5
2 months ago
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal, hateful words poisoned my brain, and the original version of this post was mean. I am so sorry. I shouldn’t let this stuff get to me, but it clearly did, and I took it out on DHH,...
GitButler
GitButler is now Fair Source GitButler is now officially one of the first members of the Fair Source movement, helping to shift...
4 months ago
2
4 months ago
GitButler is now officially one of the first members of the Fair Source movement, helping to shift closed source to publicly available software by default.
Jonas Hietala
A Nice Weekend I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and...
over a year ago
2
over a year ago
I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and sleeping until at least 10 the last days. My inner night-owl is very happy about it, my early-rising girlfriend perhaps not as much, but I think she’s a bit understanding? On Saturday we...
Willem's Blog
Tudor Black Bay 36 long-term review For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
2
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
./techtipsy
What running out of SATA ports looks like One day I stumbled upon a Craft Computing video about his new server build, and on the parts list...
over a year ago
24
over a year ago
One day I stumbled upon a Craft Computing video about his new server build, and on the parts list was a Sedna PCI Express 2x SATA adapter card: There are different designs out there, including a 4x SATA card, which is bonkers. Anyway, I thought that I might as well give this a...
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
3
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Louwrentius
WFS - WAN Failover Script now available Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you...
over a year ago
2
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you have any use for it: I put it on a Google code project. WFS tests the availability of your primary WAN connection and switches to your secondary / backup connection when a failure is...
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
4
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Matt Mullenweg
Falling Snow The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
4 days ago
18
4 days ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
Lighthouse Blog
Updates February 02
10 months ago
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
28
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Jonas Hietala
Swelling with New Shiny Books So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
3
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay! First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Jonas Hietala
IDA Summer of Code 2014: Summary This is a wrap-up post of my entry to IDA Summer of Code this year. Quick stats 65 merged...
over a year ago
2
over a year ago
This is a wrap-up post of my entry to IDA Summer of Code this year. Quick stats 65 merged commits 6790 lines added 2822 lines deleted 36 pull requests, 34 merged 12 pull requests directly fixing issues rest either documentation or cleanup 1 RFC submitted...
Jonas Hietala
Netrunner Winter Kit Tournament Linköping After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14...
over a year ago
3
over a year ago
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14 participants. The number of players has grown a lot since the previous tournament which is really great. As I really wanted to win the wonderful Day Job playmat I went with two of...
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.
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...
6 months ago
66
6 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...
Lighthouse Blog
Updates April 05
8 months ago
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...
Home on Erik...
We are still early with the cloud: why software development is overdue for a change This is is in many respects a successor to a blog post I wrote last year about what I want from...
over a year ago
3
over a year ago
This is is in many respects a successor to a blog post I wrote last year about what I want from software infrastructure, but the ideas morphed in my head into something sort of wider.
computers are bad
2024-06-08 dmv.org The majority of US states have something called a "Department of Motor Vehicles," or DMV. Actually,...
6 months ago
75
6 months ago
The majority of US states have something called a "Department of Motor Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be overstated. A more general term is "motor vehicle administrator," used for example by the American Association of Motor Vehicle...
Computer Ads from...
T/Maker: Tiny Software Company Takes on the Giants (Interview) An interesting look at a company with less than 20 employees playing with the big boys
2 months ago
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
3
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look. Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
Louwrentius
Cryptocurrencies are detrimental to society Want to listen to this article? audio element. Introduction How would you explain the inner...
over a year ago
3
over a year ago
Want to listen to this article? audio element. Introduction How would you explain the inner workings of bitcoin to a person in simple, understandable terms? source This explanation seems perfect to me because it illustrates some seriously problematic aspects of...
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I...
over a year ago
2
over a year ago
Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I walked through the basics of PL/pgSQL, the embedded procedural language inside of PostgreSQL. It covered simple functions, recursions and parsing. But there was something very...
latest projects -...
LED Matrix Earrings [Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
10 months ago
Applied Cartography
Shipping is capturing value This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a...
4 weeks ago
5
4 weeks ago
This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a Moral Mazes-esque analysis of how engineers at large companies should think about shipping: Shipping is a social construct within a company. Concretely, that means that a project is...
./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...
Jonas Hietala
Embedding youtube videos with Hakyll A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
3
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll. I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
44
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
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...
Notes on software...
io_uring basics: Writing a file to disk King and I wrote a blog post about building an event-driven cross-platform IO library that...
a year ago
2
a year ago
King and I wrote a blog post about building an event-driven cross-platform IO library that used io_uring on Linux. We sketched out how it works at a high level but I hadn't yet internalized how you actually code with io_uring. So I strapped myself down this week and wrote...
Vitalik Buterin's...
Proof of Stake FAQ
over a year ago
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year ago
Arduino Blog
DexteriSync lets you walk a mile in the gloves of a user with manual disability Good designers prioritize the user experience — particularly the experience of users with...
a month ago
14
a month ago
Good designers prioritize the user experience — particularly the experience of users with disabilities that affect their perception and fine motor skills. A young person without disabilities, for example, may feel that jars are easy to open, while an elderly person with reduced...
Avestura's Blog
How to change visibility in massive GitHub organizations like EpicGames? How to publicize and un-publicize your visibility in massive GitHub orgs?
over a year ago
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
2
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
Jonas Hietala
No game this month Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
3
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
Louwrentius
Is storage really that cheap? Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box,...
over a year ago
3
over a year ago
Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box, which is already 50% full. However, although it is to some degree fault-tollerant by using RAID 6, one mistake or catastrophic hardware faillure and all data is lost. And that's...
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission...
4 months ago
3
4 months ago
The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission plans, weather reports, crew activity plans, and other documents. Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
./techtipsy
Tech tip: eliminate HDD humming noise Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are...
over a year ago
27
over a year ago
Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are probably familiar with the acoustic characteristics of the drives. The drives have a loud hum caused by WD running the drives at 7200rpm while claiming the drives to be...
Jonas Hietala
Writing a Pollen lexer in Pygments After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax...
over a year ago
2
over a year ago
After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax highlighting for the code snippets. So I did a bit of fooling around with Pygments, and it turns out writing a custom lexer isn’t that unreasonable, so here’s how I did it. Pollen...
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.
Vitalik Buterin's...
Should Ethereum be okay with enshrining more things in the protocol?
a year ago
Jonas Hietala
Postmortem: Bugger It’s time for the follow up on my latest game Bugger. Wow it seems like forever since I begun this...
over a year ago
3
over a year ago
It’s time for the follow up on my latest game Bugger. Wow it seems like forever since I begun this monthly game business, but it’s only been two months since I first thought about this and here I am having finished my third game. I’ve really come a long way, in the beginning I...
Louwrentius
Scrub your NAS hard drives regularly if you care about your data Introduction Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known...
over a year ago
2
over a year ago
Introduction Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known vendors1, or it's a custom build solution (DIY2) based on hardware you bought and assembled yourself. Buying or building a NAS is one thing, but operating it in a way that assures...
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...
Home on Erik...
3D in D3 I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
3
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon). D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
4 days ago
6
4 days ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Jonas Hietala
Doing some online Personality tests For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
3
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity. The Braverman Test Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Good Enough
How We Built Quack (Beta) We recently launched Quack, a simple utility for you to share a beautifully rendered version of any...
a year ago
3
a year ago
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any Markdown text. This software is completely front-end based, and for me personally it was a bit of a challenging puzzle to implement. Thankfully we have genius hackers like Arun...
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...
./techtipsy
techtipsy, now hosted on k-space! This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn,...
a year ago
57
a year ago
This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn, Estonia. If you’ve been reading any of my previous posts, you might be wondering why I made that move, especially since I was quite proud of hosting my website over a residential...
./techtipsy
TOMO M4: probably the coolest power bank I've owned A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting...
a year ago
36
a year ago
A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting two, and here’s why. This post is not sponsored. Removable batteries Let’s start with the feature that I appreciate the most: removable batteries! The TOMO M4 accepts up to 4...
latest projects -...
Analemmagraph [Concept] Video of a day, one year in every frame
a year ago
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
Jonas Hietala
October theme says: Numbers New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
2
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
./techtipsy
How I fixed one hardware issue with another one I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever...
over a year ago
23
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue: whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
20 hours ago
10
20 hours ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
GitButler
Fearless Rebasing GitButler now supports first class conflicts, which makes rebasing much less annoying. What is...
2 months ago
4
2 months ago
GitButler now supports first class conflicts, which makes rebasing much less annoying. What is "fearless rebasing"?
Jonas Hietala
Drawing a self portrait Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m...
over a year ago
2
over a year ago
Drawing is hard. I’d like to improve though. Here’s a self portrait I tried to draw in Krita. I’m really slow so I stopped a bit before it really was finished. Obviously I’d like it to be a bit better, but I’m still a little happy about the glasses and the eyebrows. The mouth...
Notes on software...
SQLite has pretty limited builtin functions This is an external post of mine. Click here if you are not redirected.
over a year ago
lcamtuf’s thing
The secret lives of snowblowers Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than...
4 months ago
2
4 months ago
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than it seems.
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
2
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
2
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
Applied Cartography
Linear I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes...
5 days ago
10
5 days ago
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes I wanted to publish on our own experience of migrating from GitHub Issues to Linear, and some reflections on it as a product now that we've been using it for a few months. One...
Notes on software...
Experimenting with column- and row-oriented datastructures This is an external post of mine. Click here if you are not redirected.
over a year ago
Louwrentius
Laptop or netbook as router? If you want a router for distribution of internet to your computers at home, there are several...
over a year ago
2
over a year ago
If you want a router for distribution of internet to your computers at home, there are several options. buy some embedded device from Linksys, Draytek, Asus, 3com, ZyXtel or netgear This type of hardware is cheap, economical, and gets you up and running in a few minutes. The...
Christian Selig
Logging information from iOS Widgets Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home...
over a year ago
23
over a year ago
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home screen widgets, and some well-placed logs can really help with identifying what’s going wrong. iOS has a sophisticated built in logging mechanism, os_log, and now with SwiftLogger in...
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...
Vitalik Buterin's...
How will Ethereum's multi-client philosophy interact with ZK-EVMs?
a year ago
Louwrentius
Tracking down a faulty Storage Array Controller with ZFS One day, I lost two virtual machines on our DR environment after a storage vMotion. Further...
over a year ago
3
over a year ago
One day, I lost two virtual machines on our DR environment after a storage vMotion. Further investigation uncovered that any storage vMotion of a virtual machine residing on our DR storage array would corrupt the virtual machine's disks. I could easily restore the affected...
computers are bad
2023-07-29 Free Public WiFi Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
56
a year ago
Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza in Atlanta, Georgia. This was in the age when the price of a hotel room was directly correlated with the price of the WiFi service, and as a high school student I was not...
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
26
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
36
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Neil Madden
Book review: The Joy of Cryptography Mike Rosulek, Oregon State University. Draft of January 3, 2021. Online: The Joy of Cryptography....
a year ago
3
a year ago
Mike Rosulek, Oregon State University. Draft of January 3, 2021. Online: The Joy of Cryptography. This is a freely-available book covering introductory material on cryptography. It’s suitable for anyone with undergraduate-level computer science knowledge. As is often the case in...
Notes on software...
Reviewing the Surface Book 2 The first few paragraphs cover what I was looking for and what I considered. Then the review. Why...
over a year ago
2
over a year ago
The first few paragraphs cover what I was looking for and what I considered. Then the review. Why the Surface Book 2 I used a Macbook throughout my professional career until I had the choice a few years ago when I started my current job. Here, I ran Gentoo, then FreeBSD, then...
Notes on software...
Interview with the D Language Blog: BSDScheme This is an external post of mine. Click here if you are not redirected.
over a year ago
Neil Madden
Digital signatures and how to avoid them Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
3
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Lighthouse Blog
Updates May 3
7 months ago
Matt Blewitt
A Love Letter to Giant Robots Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first...
6 months ago
1
6 months ago
Ah, giant robots. I grew up thinking they are the coolest things ever, and I still do. My first exposure to them was probably through 1994’s BattleTech animated series, where Adam Steiner piloted an AXM-2N Axman, in its frankly ridiculous neon green and purple paint job. And from...
Arduino Blog
Receive an alert when your device goes offline in Arduino Cloud You’re managing a network of IoT sensors that monitor air quality across multiple locations....
a month ago
13
a month ago
You’re managing a network of IoT sensors that monitor air quality across multiple locations. Suddenly, one of the sensors goes offline, but you don’t notice until hours later. The result? A gap in your data and a missed opportunity to take corrective action. This is a common...
Home on Erik...
Ping the world I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some...
over a year ago
3
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some notes: What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
Home on Erik...
Fun with trigonometry: the world's most twisted coastline I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
2
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
Jonas Hietala
CS:GO AWP Nerf When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I...
over a year ago
3
over a year ago
When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I ever make a game and I want someone to balance it and I had the money, I would hire Thorin.
Christian Selig
Waterfield's weirdly compact Apple Vision Pro Case Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a...
8 months ago
80
8 months ago
Disclosure: Waterfield sent this in exchange for a review. Yeah, that probably colors something on a deep-down, subconscious level, but I won’t say anything that I don’t truly believe. Unlike a phone or laptop, the Vision Pro is one of those products that is particularly tricky...
Simply Explained
Howto Virtualize Unraid on a Proxmox host Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already...
over a year ago
3
over a year ago
Here's how to run Unraid as a virtual machine under Proxmox. This is useful when you're already using Proxmox and if you want to use Unraid as a NAS.
Computer Ads from...
Maxell's MF 2-DD Floppies The Gold Standard
3 weeks ago
Jonas Hietala
2011 in Review It’s time to wrap up the year that’s been. Be warned for slight ego boosting here. 2011 Geek...
over a year ago
2
over a year ago
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here. 2011 Geek Achievements Wrote three games this year: My Minions Grand Thief Arto Sat-E Bought a new computer! Bought a mechanical keyboard. Bought custom Starcraft 2 keycaps for the...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980) This British inventor speaking about his ZX-80 computer system
2 weeks ago
Notes on software...
Leaders, you need to share organization success stories more frequently This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to...
over a year ago
1
over a year ago
This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to share organization success stories with your organization on a regular and frequent basis. Talk about sales wins, talk about new services released, talk about the positive impact of a...
Arduino Blog
You can now work in collaboration in Arduino Cloud In today’s busy world, getting students or engineers to work together is key to tackling complex IoT...
3 months ago
28
3 months ago
In today’s busy world, getting students or engineers to work together is key to tackling complex IoT projects. Traditional code sharing and editing methods, like using offline IDEs or swapping files manually, often slow down projects and lead to mistakes. This can be a hassle and...
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
3
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Jonas Hietala
Undo git reset --hard I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back...
over a year ago
3
over a year ago
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back a bit. What I didn’t realize then is that you throw away all the commits between now until <hash>. Not quite what was planned. After a bit of panic I found the answer: Find your...
Louwrentius
Benchmarking storage with Fio and generating charts of the results Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of...
over a year ago
3
over a year ago
Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of options to create a storage benchmark that would best reflect your needs. Fio allows you to assess if your storage solution is up to its task and how much headroom it has. Fio outputs...
./techtipsy
The IKEA-powered homelab on a wall I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of...
a year ago
74
a year ago
I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of extras. During my self-hosting journey having to figure out the best place for putting all my compute stuff to has always been at the back of my mind, especially due to limited...
Vitalik Buterin's...
Why sharding is great: demystifying the technical properties
over a year ago
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
71
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
Opsbros
Docker and CumulusMX I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a...
over a year ago
3
over a year ago
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a Docker container. Let's battle the elements together...
lcamtuf’s thing
A 15-minute intro to hobby CNC In which the author tilts at windmills for a brief while.
3 months ago
Arduino Blog
7 powerful ways to integrate Collaborative Coding into education with the Arduino Cloud Collaborative coding in education can be a game-changer for students, providing them with real-world...
2 months ago
19
2 months ago
Collaborative coding in education can be a game-changer for students, providing them with real-world skills in communication, teamwork, and problem-solving. With the new collaborating coding feature of the Arduino Cloud, students can collaborate in real time on coding projects,...
Applied Cartography
Typesafe routes in Vue I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
2
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted. I built out and...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
a month ago
./techtipsy
btrbk is awesome I like having a safety net whenever I’m doing something potentially destructive, which is why I use...
over a year ago
54
over a year ago
I like having a safety net whenever I’m doing something potentially destructive, which is why I use the btrfs file system for my operating system and my data. Snapshots are one half of my “whoops, there goes all my work” strategy (backups are the other half). I’ve written about...
Home on Erik...
Software infrastructure 2.0: a wishlist Software infrastructure (by which I include everything ending with *aaS, or anything remotely...
over a year ago
3
over a year ago
Software infrastructure (by which I include everything ending with *aaS, or anything remotely similar to it) is an exciting field, in particular because (despite what the neo-luddites may say) it keeps getting better every year! I love working with something that moves so...
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
3
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...
Lighthouse Blog
Updates December 22
a year ago
Lighthouse Blog
Hidden features
6 months ago
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
lcamtuf’s thing
Weekend projects: getting silly with C C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
Style over Substance
Using the Olympus XA as an everyday carry camera The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
67
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […] The post Using...
Posts on Made of...
The architecture of declarative configuration management With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing...
over a year ago
2
over a year ago
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture and internal...
Home on Erik...
coin2dice Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago...
over a year ago
3
over a year ago
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago since I don't believe in puzzles, but I think it's kind of fun. Let's say you have a function that simulates a random coin flip.
Old Vintage...
Two tiny 65816 DTV consoles The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games...
5 months ago
78
5 months ago
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games to a more downmarket age. If you couldn't afford the real device, your alternative was these inexpensive, inadequate facsimiles faithful only to one's gauzy recollection. As their...
Jonas Hietala
Life and Shields Time is running out! At least the more technical parts are mostly done. The ships have an acceptable...
over a year ago
2
over a year ago
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable AI, they have rechargeable shields and they can now even be killed. Currently the game is far too easy, but it’s starting to look a little cooler at least.
On Life and Lisp
The Apple GPU and the Impossible Bug In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
6
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Notes on software...
Interpreting TypeScript In addition to providing a static type system and compiler for a superset of JavaScript, TypeScript...
over a year ago
3
over a year ago
In addition to providing a static type system and compiler for a superset of JavaScript, TypeScript makes much of its functionality available programmatically. In this post we'll use the TypeScript compiler API to build an interpreter. We'll build off of a...
Neil Madden
How do you use a bearer URL? In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
3
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Jonas Hietala
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
3
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
Vitalik Buterin's...
Against overuse of the Gini coefficient
over a year ago
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...
Louwrentius
RAID 5 vs. RAID 6 or do you care about your data? Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases...
over a year ago
3
over a year ago
Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases the risk of a drive failure tenfold. So often RAID 5 is used to keep your data up and running if one single disks fails. But disks are so cheap and storage arrays are getting so...
Jonas Hietala
Being Productive School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all...
over a year ago
2
over a year ago
School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all going so fast, week after week is disappearing and I don’t know where they go but I know that I’m at least not wasting them like I did most of last year! Last year I managed school...
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
3
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
Applied Cartography
A good H1 Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we...
3 weeks ago
6
3 weeks ago
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we arrived at our current iteration, which is the anodyne yet pointed Email for you. Yes, you. Historically, we've called Buttondown a 'newsletter tool' — the h1 before this was 'The...
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...
Vitalik Buterin's...
Should there be demand-based recurring fees on ENS domains?
over a year ago
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
a month ago
22
a month ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
Jonas Hietala
Minor site updates As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
2
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Good Enough
TIL: Overriding Permalink Generation in FriendlyId FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails...
3 months ago
3
3 months ago
FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails applications. In Pika we're using it to help with generating permalinks for blog posts and pages as well as slugs for tags. When a customer wrote in with a request to modify the behavior of...
Jonas Hietala
Changes A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but...
over a year ago
2
over a year ago
A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but there are things I’d like to change after the exam period this week. Program more! nothing since christmas or someting. I need to finish: Ada project for school. Can’t believe I...
Vitalik Buterin's...
La votación mediante blockchain está sobrevalorada entre personas desinformadas pero subestimada...
over a year ago
Louwrentius
Unattended automatic installation of Linux nvidia binary driver As part of an unattended installation, it was necessary to install a binary nvidia graphics driver....
over a year ago
3
over a year ago
As part of an unattended installation, it was necessary to install a binary nvidia graphics driver. This is a manual proces by default. However, it can be done fully automatic: prerequisite: install xserver-xorg-dev package or similar xorg development package. sh NVIDIA-.run -q...
Vitalik Buterin's...
The roads not taken
over a year ago
latest projects -...
Motorised Camera Slider [Hardware] Simple smooth motor mod
5 months ago
anderegg.ca
The trouble with openness Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
3 weeks ago
5
3 weeks ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time. One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Jonas Hietala
Failed mime type for Krita I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
2
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error: Could not find mime type "application/x-krita" Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
8 months ago
Jonas Hietala
fish_update_completions in Slackware 14.1 I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically...
over a year ago
2
over a year ago
I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically generate completions by parsing the installed man pages by running fish_update_completions. Unfortunately this is what I got: Traceback (most recent call last): File...
Jonas Hietala
Grand Thief Arto Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with...
over a year ago
2
over a year ago
Here’s me and Li’s game for our school course. The game isn’t tweaked too much but it’s a game with some fairly cool ideas. Grand Thief Arto Instructions Your goal is to collect loot until you can escape through the entry point when you’ve collected enough to complete the...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
3
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Computer Ads from...
IBM RISC System/6000 Family Just when PowerSeeker thought they had nowhere to go...
7 months ago
Old Vintage...
Composite and hard reset mods for the Tandyvision One I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
19
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component. The Mattel Intellivision proper originally hails...
Home on Erik...
Giving more tools to software engineers: the reorganization of the factory It's a popular attitude among developers to rant about our tools and how broken things are. Maybe...
over a year ago
3
over a year ago
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe I'm an optimistic person, because my viewpoint is the complete opposite! I had my first job as a software engineer in 1999, and in the last two decades I've seen software engineering...
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...
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.
Neil Madden
On PBKDF2 iterations There has been a lot of discussion recently around the LastPass breach, especially with regards to...
a year ago
3
a year ago
There has been a lot of discussion recently around the LastPass breach, especially with regards to the number of PBKDF2 iterations applied to the master password to derive the vault encryption key. Other people have already dissected this particular breach, but I want to more...
Posts on Made of...
autocutsel As most of you probably know, X has several different mechanisms for copy-paste, used by different...
over a year ago
2
over a year ago
As most of you probably know, X has several different mechanisms for copy-paste, used by different applications in different ways. I know some people who use them deliberately, juggling two pieces of text in different clipboards at once, but for me, it’s always just been...
Home on Erik...
On the Equifax breach and how to really prevent identity theft A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
2
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
Notes on software...
A minimal RocksDB example with Zig I mostly programmed in Go the last few years. So every time I wanted an embedded key-value database,...
over a year ago
3
over a year ago
I mostly programmed in Go the last few years. So every time I wanted an embedded key-value database, I reached for Cockroach's Pebble. Pebble is great for Go programming but Go does not embed well into other languages. Pebble was inspired by RocksDB (and its...
Arduino Blog
3D printing an affordable robot arm  If you have an interest in robotics, then a robot arm is a great educational tool to start your...
5 months ago
34
5 months ago
If you have an interest in robotics, then a robot arm is a great educational tool to start your journey. But professional robot arms are expensive and the DIY route is more informative anyway. That’s especially true if you take the time to design the arm yourself, as did Oliver...
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...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
Posts on Made of...
Disable Transparent Hugepages tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
3
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications...
lcamtuf’s thing
Deep dive: the (in)stability of op-amps A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
a month ago
Willem's Blog
Inspiration from a child Explore the world together with your kids and reap the rewards of adventure and fun!
over a year ago
Willem's Blog
Collecting health data with Biostrap Wearing a clinical-grade PPG sensor for a month to collect advanced biometrics from my wrist.
over a year ago
Good Enough
Season 1, Issue 3: Fool Me Three Times This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the...
over a year ago
3
over a year ago
This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the Warr…iors... sob… It’s just one game, right? 1. No One Likes a Giveaway Who doesn’t love a good pickle? Well that didn’t happen. There were no entries to last week’s giveaway. If you...
Applied Cartography
Bozos Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple: No Bozos....
a month ago
4
a month ago
Kevin Twohy has a list of heuristics for new projects/clients, and my favorite is simple: No Bozos. Simple policy. No exceptions. You know it when you see it. Every founder has a story about the time that they ignored the red flags and bent over backwards for a particularly...
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.
Posts on Made of...
reptyr: Changing a process's controlling terminal reptyr (announced recently on this blog) takes a process that is currently running in one terminal,...
over a year ago
2
over a year ago
reptyr (announced recently on this blog) takes a process that is currently running in one terminal, and transplants it to a new terminal. reptyr comes from a proud family of similar hacks, and works in the same basic way: We use ptrace(2) to attach to a target process and force...
Old Vintage...
Teaching Apple Cyberdog 1.0 new tricks (featuring OpenDoc) this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball...
a year ago
64
a year ago
this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball machines. that cyberdog. our PowerBook Duo 2300 rehabilitated, guess what we're gonna look at? Internet document? Thus was the nucleus of Cyberdog (named for the famous New...
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
Posts on Made of...
Some opinionated thoughts on SQL databases People who work with me tend to realize that I have Opinions about databases, and SQL databases in...
over a year ago
2
over a year ago
People who work with me tend to realize that I have Opinions about databases, and SQL databases in particular. Last week, I wrote about a Postgres debugging story and tweeted about AWS’ policy ban on internal use of SQL databases, and had occasion to discuss and debate some of...
Home on Erik...
3D Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the...
over a year ago
3
over a year ago
Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the iframe but check out the link). It's based on a LDA model with 200 topics, so the artists tend to stick to clusters where each cluster is a topic.
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
./techtipsy
How to make digital copies of your old video tapes Introduction This is a short overview of one way to take your old video tapes and make digital...
over a year ago
30
over a year ago
Introduction This is a short overview of one way to take your old video tapes and make digital copies of their contents. To get started, you will need the following: old video tapes that you want to make copies of (VHS and its variants) a device that can read analog AV signals...
Lighthouse Blog
Updates May 31
6 months ago
Louwrentius
ZFS: Performance and capacity impact of ashift=9 on 4K sector drives Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance...
over a year ago
2
over a year ago
Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance deteriorated from 1.1 GB/s to 830 MB/s with just 16 TB of data on the pool. Also I noticed that resilvering was very slow. This is why I decided to abandon my 24 drive RAIDZ3...
watchTowr Labs -...
Where There’s Smoke, There’s Fire - Mitel MiCollab CVE-2024-35286, CVE-2024-41713 And An 0day It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't...
2 weeks ago
6
2 weeks ago
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't overstate the consequences of an attacker crossing the boundary from the 'computer system' to the 'telephone system'. We've seen attackers realise this in 2024,
Good Enough
Having Trouble Getting Started? Pair Up! A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on...
a year ago
3
a year ago
A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton I often find that just getting started is the hardest part of doing something. This is especially true when the project is large or...
Willem's Blog
No, I Won't Build That! Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
9 months ago
2
9 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
Jonas Hietala
Groar Download Linux 64bit Windows So I actually finished Ludum Dare 33. I can’t believe how hard it was...
over a year ago
2
over a year ago
Download Linux 64bit Windows So I actually finished Ludum Dare 33. I can’t believe how hard it was to actually make something! It continues to amaze me what fantastic stuff everyone manage to make in just 48 hours. This is what I came up with for the theme You are the Monster....
Arduino Blog
On-body LEDs help this guitar rock harder You don’t go to watch a band play live for the audio quality — most venues are atrocious in that...
6 months ago
38
6 months ago
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that regard. No, you go to enjoy the show as a whole and that includes the visuals. The more a band can do to make the performance look exciting, the more you’re going to enjoy it. […] The...
Willem's Blog
Programming on Apple Watch Programming with VIM over SSH on Apple Watch using a bluetooth keyboard
over a year ago
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high...
over a year ago
3
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high bandwidth As a home user, I'm mainly interested in setting up a high bandwidth link between two servers. I was using quad-port network cards with Linux Bonding, but this solution has some...
Odds and Ends of...
WATCH: Talking trains with Jonn Elledge! The new Overground names, why the north always loses out, and more!
3 weeks ago
Jonas Hietala
MenuCity: Level 0 Walkthrough It hasn’t even been a week since I released my latest game MenyCity and already so much positive...
over a year ago
3
over a year ago
It hasn’t even been a week since I released my latest game MenyCity and already so much positive feedback! I’m so thrilled :) However, all isn’t blue skies and nice sunshine. A lot of times the first question is: How do you play it? or How do you get past the first level? I admit...
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...
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
3
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
Louwrentius
Making cowpatty recognize a four-way handshake I was unable to get cowpatty working with a packet capture that actually contains a four-way...
over a year ago
3
over a year ago
I was unable to get cowpatty working with a packet capture that actually contains a four-way handshake of a WPA session. I got it working like this: First, download cowpatty 4.6 right here, within the source directory of cowpatty. Extract cowpatty and apply this patch using these...
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
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
4 months ago
3
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
Vitalik Buterin's...
Deeper dive on cross-L2 reading for wallets and other use cases
a year ago
Good Enough
Adding Social Preview Images To Our 11ty Blog Twitter X recently removed headlines and descriptions from link previews, in the name of...
a year ago
2
a year ago
Twitter X recently removed headlines and descriptions from link previews, in the name of “esthetics.” Inspired by Steph Ango, while we try not to run our business on the whims of a social media platform, this change did push us into making a change we’ve been meaning to for...
Arduino Blog
A stroopwafel doneness detection device If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a...
5 months ago
45
5 months ago
If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a sweet treat as well. That is a stroopwafel, a crispy little waffle-syrup sandwich that the Dutch like to rest on top of their drink so that the rising heat will soften the pastry....
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This...
a year ago
3
a year ago
With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This is a feature MySQL has supported for a long time. There are at least 8 different built-in engines you can pick from. MyRocks, MySQL on RocksDB, is another popular third-party...
Home on Erik...
Optimizing for iteration speed I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
2
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
axio.ms
Colourclock Original concept circa 2008, revisited 2012, hardware designed Feb 2014, firmware designed...
over a year ago
2
over a year ago
Original concept circa 2008, revisited 2012, hardware designed Feb 2014, firmware designed April-August 2014, project completed August 2014, installed in spare room in 2016, written up in March 2018 (jeeez…) Acrylic, LEDs, ARM Cortex-M0 microcontroller. ...
Jonas Hietala
Christmas break So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
3
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
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
Posts on Made of...
Running Tensorflow on AWS GPUs I’ve been spending some time learning deep learning and tensorflow recently, and as part of that...
over a year ago
2
over a year ago
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that project I wanted to be able to train models using GPUs on EC2. This post contains some notes on what it took to get that working. As many people have commented, the environment setup...
Vitalik Buterin's...
Farklı ZK-EVM Türleri
over a year ago
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform Alvik is cute, it’s smart, it’s fun… so what can it actually do?  To answer this question, we...
4 days ago
9
4 days ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do?  To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an...
over a year ago
56
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an opportunity to send a signal and test the capabilities of my UPS. I’ve prepared for this moment with my self-hosting setup, let’s see how well it holds up. Hopefully better than...
Notes on software...
Thinking about functional programming Someone on Discord asked about how to learn functional programming. The question and my initial...
a year ago
3
a year ago
Someone on Discord asked about how to learn functional programming. The question and my initial tweet on the subject prompted an interesting discussion with Shriram Krishnamurthi and other folks. So here's a slightly more thought out exploration. And just for backstory sake: I...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 5: The Purge
a month ago
Willem's Blog
Rescuing files from a broken harddisk Yesterday I helped a young woman with her broken computer containing precious photos, could I safe...
over a year ago
./techtipsy
What I've learned running Linux and Windows off of USB flash drives I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of...
2 weeks ago
27
2 weeks ago
I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of time and the guilt of storing perfectly functional hardware unused in a box were the main motivators. This has resulted in experiments with my assortment of USB flash storage that...
computers are bad
2024-04-26 microsoft at work I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to...
8 months ago
88
8 months ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to apologize, but I do feel a little bad. Part of it is just that I've been busy, with work and travel and events. Part of it is that I've embarked on a couple of writing projects only to...
Willem's Blog
The Same, Differently
a year ago
Jonas Hietala
Monaco What's Yours is Mine I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
3
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!! I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing? Tomorrow...
Louwrentius
Tunneling Elixir cluster network traffic over Wireguard Introduction The other day I was supporting a customer with an Elixir-based platform that would make...
a year ago
3
a year ago
Introduction The other day I was supporting a customer with an Elixir-based platform that would make use of Elixir libcluster, so messages on one host can be passed to other hosts. This can - for example - enable live updates for all users, even if they are not communicating with...
Matt Blewitt
Thoughts on User Safety We need to move beyond mere security and towards safety for our customers and our users. This is how...
over a year ago
2
over a year ago
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
Vitalik Buterin's...
Analyzing Token Sale Models
over a year ago
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother Web 3.0 was not about the blockchain, thank god
4 months ago
Good Enough
TIL: Use touch-action: manipulation; to avoid double-tap-to-zoom Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and...
a year ago
2
a year ago
Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and they’ll print out on our little printer. It’s quite lovely and fun, and you should send us a doodle. We might also have more in store for these printers in the future. In the...
Lighthouse Blog
Updates November 10
a year ago
./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:...
Jonas Hietala
5 Kup After a season with very bad attendence, I blame school and lack of motivation, I still went to...
over a year ago
2
over a year ago
After a season with very bad attendence, I blame school and lack of motivation, I still went to grading. I slept well but I was super stressed all weekend so I had to constantly run to the bathroom and I couldn’t eat lunch or breakfast properly, and I don’t usually get...
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
a month ago
30
a month ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Louwrentius
My home network setup based on managed switches and VLANs My home networking setup I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
2
over a year ago
My home networking setup I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear. So this is my setup (click for a bigger version): I like to run my own router but...
Jonas Hietala
Top ten activities that make me happy Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
2
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Louwrentius
Lion's Disk Utility not compatible with CoreStorage and Filevault My 1 TB hard drive of my 2011 27" iMac was partitioned with: A bootable partition with Mac OS X...
over a year ago
3
over a year ago
My 1 TB hard drive of my 2011 27" iMac was partitioned with: A bootable partition with Mac OS X Lion Time machine partition (I use an external SSD as my main OS) Bootcamp partition with windows A data partition containg... data. The problem is that CoreStorage is too new. Disk...
Willem's Blog
Linking Lemmid Store with kitchens Designing backend servers to connect with external services is challenging as you need to take into...
over a year ago
3
over a year ago
Designing backend servers to connect with external services is challenging as you need to take into account unreliability and unpredictability.
Simply Explained
Retrospective: My Fifth Year on YouTube For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
2
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
29
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
2 weeks ago
computers are bad
2024-12-21 something over New Jersey There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of...
yesterday
8
yesterday
There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of press accounts finds that some 100,000 people were reported to have witnessed aerial intruders. Despite the scant details associated with most reports, an eager press repeated the...
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
3
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...
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
lcamtuf’s thing
Random objects: Guycot & Jarre Early repeating handguns, or another unnecessary excursion into the bowels of history.
6 months ago
Louwrentius
This blog is now running on solar power Introduction This blog is now running on solar power. I've put a solar panel on my balcony, which...
over a year ago
2
over a year ago
Introduction This blog is now running on solar power. I've put a solar panel on my balcony, which is connected to a solar charge controller. This device charges an old worn-out car battery and provides power to a Raspberry Pi ~~3b+~~ 4B, which in turn powers this (static)...
Posts on Made of...
Lab Notebooking for the Software Engineer A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition...
over a year ago
3
over a year ago
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition to just documenting things after the fact. Today, I’m going to share the techniques that I’ve found useful to try to get in the habit of lab-notebooking my work, even though I...
Posts on Made of...
Getting carried away with hack value Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of...
over a year ago
2
over a year ago
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of BarnOwl into perl code, instead of C (BarnOwl is written in an unholy mix of C and perl code that call each other back and forth obsessively). Moving code into perl has many...
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
35
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Good Enough
Season 3, Issue 3: Cosmic Maelstrom 1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say...
a year ago
2
a year ago
1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say it's in the cloud, but even clouds are now looked down upon as dirtyish things that should not be enjoyed. And not because of air pollution per se, though perhaps because of...
Louwrentius
Ubuntu and full disk encryption (FDE) Ubuntu is based on Debian Linux. As part of a regular Debian installation, you can choose to create...
over a year ago
2
over a year ago
Ubuntu is based on Debian Linux. As part of a regular Debian installation, you can choose to create an encrypted disk volume based on LUKS. This is different from the option within the Ubuntu installation to encrypt home directories. To be able to install Ubuntu and use full disk...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti) Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
a year ago
57
a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
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...
Willem's Blog
Using Google Free Android Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to...
over a year ago
3
over a year ago
Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to experience its freedom and privacy.
Good Enough
TIL: Rails Testing I had to figure out how to run browser-based tests in Rails again. In part that meant working around...
a year ago
3
a year ago
I had to figure out how to run browser-based tests in Rails again. In part that meant working around my lack of Chrome. Rails System Tests with Safari. I also had some problems with Rails Turbo Drive taking over EVERYTHING, which required me to figure out how to deal with a Rails...
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...
Vitalik Buterin's...
Notes on Blockchain Governance
over a year ago
Engineers Need Art
VPX Scripting - Part 3 (Cut & Paste) Sound code is added in this third in a series of posts about scripting Visual Pinball tables.
8 months ago
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
7 months ago
74
7 months ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
Jonas Hietala
Bullets and AI The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
2
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good. Maybe...
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
2 months ago
18
2 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Jonas Hietala
Friend of the Tree I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
3
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Louwrentius
A practical understanding of lead acid batteries Introduction The goal of this article is to give you a practical understanding Lead Acid batteries....
over a year ago
3
over a year ago
Introduction The goal of this article is to give you a practical understanding Lead Acid batteries. We won't address the underlying chemistry, we'll treat them as a black-box and we will discover their characteristics and how to keep them healthy. Disclaimer I'm an amateur. I...
Applied Cartography
Au revoir, Invoke It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we...
7 months ago
3
7 months ago
It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we unshipped the last remaining Invoke commands and ported them over to just. I think Invoke is a good, cool project, and I wish it well. If you're at the precise intersection of "you have...
Arduino Blog
A gamified approach to therapy and motor skills testing For children who experience certain developmental delays, specific types of physical therapies are...
6 months ago
35
6 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
Home on Erik...
Luigi Presentation @ NYC Data Science, Dec 16, 2014 More Luigi presentations!
over a year ago
Jonas Hietala
2015 in Review Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university...
over a year ago
3
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university studies and got a Master in Computer Science. Discovered a new boardgame love: Android Netrunner. Finished top 4 in my first Netrunner Store Championship. Won a small local Netrunner...
Push to Prod
When Overwhelmed, Make a List of Questions In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
4 months ago
Home on Erik...
I don't want to learn your garbage query language This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
2
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
Old Vintage...
The W65C265SXB gets a SXY case Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1,...
a year ago
61
a year ago
Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1, and I've got some future projects in the works. But these were recently on sale on Amazon and I couldn't resist getting a little sort-of RPi-sized SBC that runs the 16-bit 65816,...
computers are bad
2023-09-10 the Essex GWEN site Programming note: this post is in color. I will not debase myself to the level of sending HTML...
a year ago
70
a year ago
Programming note: this post is in color. I will not debase myself to the level of sending HTML email, so if you receive Computers Are Bad by email and want the benefit of the pictures, consider reading this online instead (the link is at the top of the email). In the aftermath of...
./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...
Style over Substance
Shooting the Ligero 3D-printed Mamiya Press camera by MaxWanderlush Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the...
over a year ago
66
over a year ago
Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the panoramic pinhole Goodman Scura and the MPWide, a modified Fuji Instax Wide 300. The MPWide is a mod by the talented Mario, otherwise known as MaxWanderlush. He has been releasing...
Jonas Hietala
November Theme: Art Game Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
2
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit  The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
2 weeks ago
18
2 weeks ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
Willem's Blog
Assembling a cargo bike How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
2
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Jonas Hietala
Before the Games: The Site I’ve got some things I want to do before I start with my next game and they’re all about improving...
over a year ago
3
over a year ago
I’ve got some things I want to do before I start with my next game and they’re all about improving the site. The last week or so has been extremely productive with me throwing out a lot of wasted code, speeding up the site and adding/removing features and I want to continue with...
Jonas Hietala
10 Games in 10 Languages For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
3
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Jonas Hietala
Postmortem: Black and White All this time working on my latest game I thought it sucked and I was trying hard to make it to not...
over a year ago
3
over a year ago
All this time working on my latest game I thought it sucked and I was trying hard to make it to not suck. My spirit wasn’t high, just check this post and this but now when it’s done it’s like night and day, or like black and white! I’m damn happy I got it done!! Aah I’ll try to...
Willem's Blog
Write your own words Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
4
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
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
Engineers Need Art
VPX Scripting - Part 5 (DOF) Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Birchtree
AI, self-driving, and evolving your opinions on new tech over time Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can...
2 weeks ago
5
2 weeks ago
Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can demonstrate the reality of AI, though, is to describe how it is already being used today. Not in speculative sci-fi scenarios, but in everyday offices and laboratories and schoolrooms....
Willem's Blog
For the love of mini The iPhone Mini has intangible greatness that most folks don't know about: read along for the love...
over a year ago
3
over a year ago
The iPhone Mini has intangible greatness that most folks don't know about: read along for the love of mini!
Home on Erik...
Books I consumed in 2017 Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a...
over a year ago
2
over a year ago
Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a teenager, but it has slowly deteriorated to maybe 20-30 books, at most. And I don't even finish all of them because life is too short!
Jonas Hietala
Getting the book into my hands Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?....
over a year ago
2
over a year ago
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?. I took the cheapest shipping option at IngramSpark, without tracking and, apparently, without customs declarations as it got stuck in customs for several weeks. But it’s here...
Applied Cartography
PSA: mess around with Keystatic We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
2
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
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...
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...
Home on Erik...
What can startups learn from Koch Industries? I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
3
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago. Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Notes on software...
Confusion is a muse Some of the most interesting technical blog posts I read come from, and a common reason for posts I...
6 months ago
2
6 months ago
Some of the most interesting technical blog posts I read come from, and a common reason for posts I write is, confusion. You're at work and you start asking questions that are difficult to answer. You spend a few hours or a day trying to get to the bottom of things. If you ask a...
./techtipsy
Control - how to make a game enjoyable for casual audiences I’ve decided to intentionally take more time to play video games this year, since it’s a relatively...
a year ago
104
a year ago
I’ve decided to intentionally take more time to play video games this year, since it’s a relatively healthy way to escape from the real world once in a while. A friend recommended one game in particular: Control: Ultimate Edition. During the Steam summer sale of 2023, I went...
Notes on software...
Implementing a simple jq clone in Go, and basics of Go memory profiling In this post we'll build a basic jq clone in Go. It will only be able to pull a single path out of...
over a year ago
2
over a year ago
In this post we'll build a basic jq clone in Go. It will only be able to pull a single path out of each object it reads. It won't be able to do filters, mapping, etc. $ cat large-file.json | head -n2 | ./jqgo...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
3
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers. In fact, they weren't displaying in my own feed reader, which routes through Feedly. I was sad. I spent a lot of time troubleshooting this. Compared our feed with a lot of atom...
Home on Erik...
Looking for smart people I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
2
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Notes on software...
Tail call elimination In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated...
over a year ago
2
over a year ago
In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated in an interpreter, a compiler targeting C++, and a compiler targeting LLVM IR. Tail calls A tail call is a function call made at the end of a block that returns the value of the...
Gwern.net Newsletter
September 2020 News September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
2
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
Willem's Blog
Something the smartwatch will never have: patina Patina is often neglected when comparing smartwatches with regular watches.
over a year ago
Matt Mullenweg
Where is Lee Wittlinger? Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
2 months ago
4
2 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
Notes on software...
Languages you can run in the browser, part 1: Python, JavaScript, SQLite This is an external post of mine. Click here if you are not redirected.
over a year ago
Opsbros
The past lives again! I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
3
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
Arduino Blog
Light up the holiday season, with a new Plug and Make Kit tutorial! Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make...
2 weeks ago
16
2 weeks ago
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make Kit, you can build an interactive LED light installation that reacts when someone walks by – perfect for spreading cheer and adding a high-tech twist to your decorations. This...
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...
watchTowr Labs -...
Check Point - Wrong Check Point (CVE-2024-24919) Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
6 months ago
3
6 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze. Check Point, for those unaware, is the vendor responsible for...
Avestura's Blog
Using Tor outside of the Tor Browser This post shows how to run Tor with a simple PowerShell script and use it in other apps like...
over a year ago
Notes on software...
Implementing MVCC and major SQL transaction isolation levels In this post we'll build a database in 400 lines of code with basic support for five standard SQL...
7 months ago
2
7 months ago
In this post we'll build a database in 400 lines of code with basic support for five standard SQL transaction levels: Read Uncommitted, Read Committed, Repeatable Read, Snapshot Isolation and Serializable. We'll use multi-version concurrency control (MVCC) and optimistic...