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Lighthouse Blog
How to manage tags
7 months ago
Matt Blewitt
Lua: The Little Language That Could Lua is probably my favourite “little language” - a language designed to have low cognitive load, and...
a year ago
5
a year ago
Lua is probably my favourite “little language” - a language designed to have low cognitive load, and be easy to learn and use. It’s embedded in a lot of software, such as Redis, NGINX via OpenResty and Wireshark. It’s also used as a scripting language in games such as World of...
Jonas Hietala
Swelling with New Shiny Books So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
6
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay! First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Computer Ads from...
Plus Post: Lobo MAX-80 The Computer Tandy Should Have Built (at least according to the ad).
10 months ago
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
5
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...
Computer Ads from...
Black Friday - Happy Birthday sale Let's mix things up!
a month ago
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
36
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Notes on software...
The limitations of LLMs, or why are we doing RAG? This is an external post of mine. Click here if you are not redirected.
6 months ago
Home on Erik...
Ratio metrics We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little...
over a year ago
5
over a year ago
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little bit of an art form. Ideally you want to define success metrics before you run a test to avoid cherry picking metrics.
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
7
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
Notes on software...
Writing a minimal in-memory storage engine for MySQL/MariaDB I spent a week looking at MySQL/MariaDB internals along with ~80 other devs. Although MySQL and...
a year ago
7
a year ago
I spent a week looking at MySQL/MariaDB internals along with ~80 other devs. Although MySQL and MariaDB are mostly the same (more on that later), I focused on MariaDB specifically this week. Before last week I had never built MySQL/MariaDB before. The first day of this hack week,...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s? I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet...
over a year ago
43
over a year ago
I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit. This is a fantastic little desktop PC kit that is very small, quiet and can still be configured to have ridiculous amounts of...
Birchtree
My favorite (and least favorite) movies of 2024 I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
3 weeks ago
70
3 weeks ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Ken Shirriff's blog
Reverse-engineering an analog Bendix air data computer: part 4, the Mach section MathJax = { tex: { inlineMath: [['$', '$'], ['\\(', '\\)']] }, svg: { fontCache:...
11 months ago
6
11 months ago
MathJax = { tex: { inlineMath: [['$', '$'], ['\\(', '\\)']] }, svg: { fontCache: 'global' }, chtml: { displayAlign: 'left' } }; MathJax.Hub.Config({ "HTML-CSS": { scale: 175} }); .MathJax {font-size: 1em !important} In the 1950s, many fighter...
Willem's Blog
Dig for dummies Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
7
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
4
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
Computer Ads from...
IBM RISC System/6000 Family Just when PowerSeeker thought they had nowhere to go...
8 months ago
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Vitalik Buterin's...
Soulbound
over a year ago
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989) Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
Willem's Blog
Offline Music People sometimes act suprised when I tell them about my music hobby, manually converting CD's to...
over a year ago
6
over a year ago
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to lossless audio files; there is some reason to this madness however!
Willem's Blog
Your own addressbook and calendar cloud You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data...
over a year ago
5
over a year ago
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data and share it between your devices.
Jonas Hietala
2013 in Review The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010,...
over a year ago
4
over a year ago
The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010, 2011 and 2012. 2013 Geek Achievements Solved 213 UVa problems. Got 43rd at NWERC 2013. Placed high in IMPA, with one turn won. Completed the online course Programming Languages in...
Posts on Made of...
BlackHat/DEFCON 2011 talk: Breaking out of KVM I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the...
over a year ago
4
over a year ago
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the KVM Kernel Virtual Machine on Linux. Virtunoid: Breaking out of KVM from Nelson Elhage [Edited 2011-08-11] The code is now available. It should be fairly well-commented, and...
Christian Selig
Instant Pan Gesture Interactions Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key...
a year ago
64
a year ago
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key takeaways from the videos that one of the presenters, Chan Karunamuni, said is “Look for delays everywhere. Everything needs to respond instantly.” (6:28) A really great example of...
Good Enough
Jelly was #1 on Hacker News Yesterday, Lettini took a chance and posted about Jelly on Hacker News, a discussion site notorious...
a month ago
10
a month ago
Yesterday, Lettini took a chance and posted about Jelly on Hacker News, a discussion site notorious for it's mercurial population of tech-maybe-too-saavy experts. Jelly is a tough sell for some of them, those with the technical skill to pipe email at a low level through...
Vitalik Buterin's...
My 40-liter backpack travel guide
over a year ago
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM...
over a year ago
7
over a year ago
Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll write a simple compiler in Javascript (on Node) without any third-party libraries....
./techtipsy
I have a 'Dall UD19PB ThundeRbglt Dock': my experience with the HP Elitebook 845 G9 I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and...
over a year ago
49
over a year ago
I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and also out of morbid curiosity. It’s the HP Elitebook 845 G9, and it has pretty good specifications: CPU: AMD Ryzen 7 6800U RAM: 2x16GB DDR5 Storage: 512GB KIOXIA NVMe SSD...
Ian's Blog
Having a Website Used to Be Fun According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
2 months ago
11
2 months ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
4
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
5
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
Home on Erik...
My favorite management failures For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
7
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Arduino Blog
Making a car more secure with the Arduino Nicla Vision Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
5 months ago
42
5 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
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...
5 months ago
5
5 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...
Style over Substance
Using the Olympus XA as an everyday carry camera The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
70
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […] The post Using...
Lighthouse Blog
New feature: RSS feed export
a month ago
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget  Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
3 months ago
43
3 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
Computer Ads from...
Salamander Software's Franklin's Tomb My name is Diamond, Dan Diamond. I'm a private cop.
10 months ago
watchTowr Labs
Cleo Harmony, VLTrader, and LexiCom - RCE via Arbitrary File Write (CVE-2024-50623) We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators...
4 weeks ago
15
4 weeks ago
We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators using a zero-day exploit in Cleo MFT software - namely, LexiCom, VLTransfer, and Harmony - applications that many large enterprises rely on to share files securely. Cleo have a...
Home on Erik...
Learning from users faster using machine learning I had an interesting idea a few weeks ago, best explained through an example. Let's say you're...
over a year ago
5
over a year ago
I had an interesting idea a few weeks ago, best explained through an example. Let's say you're running an e-commerce site (I kind of do) and you want to optimize the number of purchases. Let's also say we try to learn as much as we can from users, both using A/B tests but also...
Arduino Blog
This Flip-Pelt wearable concept enables ultra-fast thermal feedback in VR Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on...
2 months ago
21
2 months ago
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on your arm? Or the cold of chilly water? Engineers around the world have been trying to make that happen, but there is a big problem: temperature changes are slow. The immersive...
Willem's Blog
Working with special hardware from China This month I reversed engineered my way into developing software for a Chinese Android device with...
over a year ago
5
over a year ago
This month I reversed engineered my way into developing software for a Chinese Android device with an embedded printer!
Home on Erik...
It's hard to write code for computers, but it's even harder to write code for humans Writing code for a computer is hard enough. You take something big and fuzzy, some large vague...
3 months ago
6
3 months ago
Writing code for a computer is hard enough. You take something big and fuzzy, some large vague business outcome you want to achive. Then you break it down recursively and think about all the cases until you have clear logical statements a computer can follow.
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
over a year ago
7
over a year ago
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls This post upgrades the ulisp x86 backend from using a limited set of registers (with no spilling...
Louwrentius
Linux Iptables Firewall Script released on Google code I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall...
over a year ago
5
over a year ago
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall within minutes. It is easy to use, yet very powerful. It uses Iptables and even improves upon some limitations of Iptables. Every person who has to maintain some kind of...
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
4
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...
./techtipsy
Disk is OK Maybe I am unlucky with computer hardware. Maybe I have the opposite of the golden touch of...
over a year ago
21
over a year ago
Maybe I am unlucky with computer hardware. Maybe I have the opposite of the golden touch of Midas. Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for. Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
10
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
Willem's Blog
iPad Pro as primary computer Is the time right to use an iPad as primary development platform to get some real work done?
over a year ago
Neil Madden
Some incomplete thoughts about Gödel I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve...
over a year ago
5
over a year ago
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve wanted to write about for some time. Although many articles do a decent job in giving an idea of what the big deal is (and this one is pretty good), they can sometimes give a...
Jonas Hietala
Early Christmas Present School is almost over and it’s almost time to travel back up to Övertorneå. This year me and...
over a year ago
5
over a year ago
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and Veronica opened our Christmas presents a bit early - we’re impatient like that. I got one of the best presents yet I think! A Raspberry Pi! Just look at this bad boy! She got some...
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
a month ago
13
a month ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Avestura's Blog
What is the type of Type? Should type of `Type` be also `Type`? Or is there an alternative?
over a year ago
Posts on Made of...
Some notes on CVE-2010-3081 exploitability Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity...
over a year ago
6
over a year ago
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time. While investigating...
Jonas Hietala
Speeding Ahead Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
5
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
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
4
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...
Louwrentius
Lustre and the risk of Serious Data Loss Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was...
over a year ago
5
over a year ago
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was thinking about how you would setup a large, scalable storage infrastructure. How should such a thing work? Very simple: you should be able just to add hosts with some bad-ass huge...
computers are bad
2023-06-02 the reinvention of owens lake Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a...
a year ago
45
a year ago
Programming note: In an effort to introduce an exciting new social aspect to Computers Are Bad (a functional necessity to appease early-stage investor demands for "engagement")¸ I am launching a Matrix room for CAB readers. You can join it! Do whatever you do to join rooms in...
Vitalik Buterin's...
[Mirror] Exploring Elliptic Curve Pairings
over a year ago
Home on Erik...
Optimizing things: everything is a proxy for a proxy for a proxy Say you build a machine learning model, like a movie recommender system. You need to optimize for...
over a year ago
4
over a year ago
Say you build a machine learning model, like a movie recommender system. You need to optimize for something. You have 1-5 stars as ratings so let's optimize for mean squared error. Great. Then let's say you build a new model.
Arduino Blog
Synjets provide non-contact haptic feedback If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
88
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
Lighthouse Blog
How to manage content subscriptions
7 months ago
Jonas Hietala
Slackware installation notes It seems like it’s been a yearly recurrence reinstalling slackware from scratch. This time it...
over a year ago
4
over a year ago
It seems like it’s been a yearly recurrence reinstalling slackware from scratch. This time it happened during my vacation when I was mucking around with trying to compile erlang with wxWidgets support and somehow a make clean started to remove / and I only noticed it too late…...
Christian Selig
Juno 1.1 If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was...
10 months ago
45
10 months ago
If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was such a cool feeling to release an app on day one of the Apple Vision Pro’s launch, and having people be so excited about it and have such great feedback made it that much better....
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
5
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...
Louwrentius
Did you know that RDP is as insecure as telnet? Microsoft developed the remote desktop protocol in order to allow remote GUI- based access to hosts....
over a year ago
6
over a year ago
Microsoft developed the remote desktop protocol in order to allow remote GUI- based access to hosts. It is easy to pick on Microsoft and I do respect what they have accomplished, however, it may not come as a surprise that they did it all wrong with RDP in terms of security. By...
Vitalik Buterin's...
我在加密世界的一些个人体验
over a year ago
Push to Prod
How Would You Design Amazon S3? One of my favorite system design questions from a few years ago and a fascinating thing I learned...
3 months ago
10
3 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
Jonas Hietala
Zucchini Crabcakes With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only...
over a year ago
4
over a year ago
With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only supposed to be an appetizer: Crabcakes: Surprisingly delicious. Both me and Veronica gives them a 7. Zucchini: While I thought they passed Veronica said “Zucchini is not my thing” and...
Home on Erik...
Tumblr's awesome project names Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about...
over a year ago
5
over a year ago
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about their projects named after Arrested Development topics: Gob, Parmesan, Buster, Jetpants, Oscar, George and Motherboy. Still, the best software project name is probably still Apple's...
Abort Retry Fail
Housekeeping for 20240102 Some stats, updates, and whatnot
a year ago
Lighthouse Blog
Introducing Lighthouse - The RSS reader, newsletter reader, and read-it-later app to fight content...
9 months ago
Notes on software...
Two books I recommend to developers Originally published on February 1, 2021. The original version included two books I don't think...
a year ago
4
a year ago
Originally published on February 1, 2021. The original version included two books I don't think are actually so worthwhile. This list is down to two. I think that's a good thing actually. These are the books I recommend to developers wanting to improve their skills as...
Good Enough
TIL: Victory Symbol We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than...
a year ago
4
a year ago
We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than Safari––it was playing smart and rendered the unicode character as an emoji. Lettini found a fix though! Append this string of code to the symbol: ︎. So ✌︎ renders...
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
5
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support. Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download. First,...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Willem's Blog
Commuter bike checkup This week my trustworthy commuter bike started making strange squeaking noises when braking, time to...
over a year ago
5
over a year ago
This week my trustworthy commuter bike started making strange squeaking noises when braking, time to have a look at the bike after 21.000KM!
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Louwrentius
Difference of behavior in SATA Solid State Drives Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO....
over a year ago
4
over a year ago
Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO. After further investigation and additional testing, I've found the reason for the strange patterns in the graphs. The 'strange' test results are due to the fact that they were...
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag Some computer related levity from OZ
a month ago
Vitalik Buterin's...
Layer 2s as cultural extensions of Ethereum
7 months ago
Birchtree
My default apps of 2024 Last year I was the 27th of four hundred and freaking eight people to write about their default...
2 weeks ago
34
2 weeks ago
Last year I was the 27th of four hundred and freaking eight people to write about their default apps, and I though it would be fun to turn this into a tradition and revisit the list to see if anything has changed since last year. ✨ next to each change
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
6
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.
Willem's Blog
Data versus Feeling Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to...
3 weeks ago
44
3 weeks ago
Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to find out the differences!
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
7
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
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
6
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
GLEWBOT scales buildings like a gecko to inspect wall tiles A great deal of building maintenance expenses are the result of simple inaccessibility. Cleaning the...
8 months ago
134
8 months ago
A great deal of building maintenance expenses are the result of simple inaccessibility. Cleaning the windows are your house is a trivial chore, but cleaning the windows on a skyscraper is serious undertaking that needs specialized equipment and training. To make exterior wall...
axio.ms
Mac SE/30 odyssey I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other...
over a year ago
5
over a year ago
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other members of the original “compact Mac” series, but pack in a ton of interesting features that the other compact Macs don’t have. This is the story of my journey to getting to the...
Notes on software...
Finishing up a FreeBSD experiment I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and...
over a year ago
4
over a year ago
I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and I've learned a hell of a lot forcing myself on CURRENT... But there's been a number of issues with it that have made it difficult to keep using, so I replaced it with Arch Linux...
Old Vintage...
Programming the Convergent WorkSlate's spreadsheet microcassette future In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking...
4 months ago
50
4 months ago
In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking to each other via speakerphone, and probably listening to Devo and New Order a lot. (Though that part isn't too different from my actual present.) a computer whose manufacturer...
Style over Substance
Peak Design quick-connect Leash and Cuff straps My camera collection has been growing steadily over the years, but it’s been expanding even faster...
over a year ago
77
over a year ago
My camera collection has been growing steadily over the years, but it’s been expanding even faster during the COVID-19 lockdowns. Online shopping therapy keeps me sane while I’m cooped up at home, and with easy access to eBay and other auction sites my GAS – photographers...
Notes on software...
The year in books: 11 to recommend in 2021 Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction....
over a year ago
5
over a year ago
Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction. Another 30 started but not finished. Non-fiction It seems I was pretty focused on business history books and history of tech. The 8 non-fiction books I liked the most: Designing...
Matt Mullenweg
Disrupt Interview On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view...
2 months ago
12
2 months ago
On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view the video here: Then yesterday Automattic filed its legal responses to the spurious lawfare from WP Engine, Silver Lake, and Quinn Emanuel. It’s a bit long, but if you have time...
Vitalik Buterin's...
What in the Ethereum application ecosystem excites me
over a year ago
Willem's Blog
Listen to your body Using health data gathered by sensors and wearables I learned to listen to my body. Now I have...
over a year ago
6
over a year ago
Using health data gathered by sensors and wearables I learned to listen to my body. Now I have stopped using bluetooth sensors all together.
Jonas Hietala
Exploring the Gleam FFI My brain is a curious thing. I’m on a business trip right now and I’ve set aside time to finish some...
12 months ago
4
12 months ago
My brain is a curious thing. I’m on a business trip right now and I’ve set aside time to finish some important todos I want and need to get done. But instead of focusing on them, I started playing around with Gleam—a young and interesting programming language. My (current)...
Louwrentius
Distributed Parallel Processing Shell Script (PPSS) released I'd like to announce the release of the distributed version of the Parallel Processing Shell Script...
over a year ago
6
over a year ago
I'd like to announce the release of the distributed version of the Parallel Processing Shell Script (PPSS). PPSS is a bash script that allows you to run commands in parallel. It is written to make use of current multi-core CPUs. The new distributed version of PPSS allows you to...
Jonas Hietala
The T-34/2 keyboard layout The T-34/2 layout. QMK Heatmap Generator, with all layers and combos. It’s been 6 months since my...
over a year ago
3
over a year ago
The T-34/2 layout. QMK Heatmap Generator, with all layers and combos. It’s been 6 months since my last update on the T-34 keyboard layout, and I’ve made some changes I’d like to document here. As seen in the heatmap above, the layout seems quite decent. There’s still an issue...
watchTowr Labs
Backdooring Your Backdoors - Another $20 Domain, More Governments After the excitement of our .MOBI research, we were left twiddling our thumbs. As you may recall, in...
21 hours ago
9
21 hours ago
After the excitement of our .MOBI research, we were left twiddling our thumbs. As you may recall, in 2024, we demonstrated the impact of an unregistered domain when we subverted the TLS/SSL CA process for verifying domain ownership to give ourselves the ability to issue valid and...
Home on Erik...
Calculating cosine similarities using dimensionality reduction This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity...
over a year ago
4
over a year ago
This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity Computation (DISCO) I just glanced at the paper, and there's some cool stuff going on from a theoretical perspective. What I'm curious about is why they didn't decide to use...
axio.ms
Pickle plus mains Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
6
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science. Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
Birchtree
Starship is a late contender for favorite new things in 2024 I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the...
2 weeks ago
14
2 weeks ago
I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the cartridge all these years later, but it's not as big a part of my childhood as Ocarina of Time was. That said, the Ocarina
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by...
a year ago
86
a year ago
Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by Orthogonal Demodulation Misc Introduction While researching a DSP related topic, Google dug up an excellent article, written by Hideo Okawara, that is just one part of a series of ~53. I...
Louwrentius
8 TB RAID 6 Linux software RAID using EXT4 Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID...
over a year ago
4
over a year ago
Mobo: Asus P5Q-EM DO ( 6x sata) CPU: Core 2 Duo E7400 RAM: 4 GB Controller; HighPoint RocketRAID 2314 (16x poorten) PSU: CooMas Silent Pro M 600W ATX2 (definitely not overkill) HD: Samsung 1 TB SAT2 HD103UJ (10x) OS: Debian Lenny with custom kernel (backported) FS: EXT4 RAID...
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
5
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
4
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Jonas Hietala
Computer upgrade After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some...
a year ago
4
a year ago
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some pictures about the process. It was time I didn’t really want to do an upgrade right now, but I felt I had to do it. Sometimes the lag had gotten very noticeable, for example when...
anderegg.ca
Jet Lag: The Game: The Game Some fun news today from the creators of Jet Lag: The Game. They officially announced the next...
a month ago
11
a month ago
Some fun news today from the creators of Jet Lag: The Game. They officially announced the next season, and also a “home version” of the game. I’ve written about Jet Lag: The Game before, so you might want to start there if you don’t know what I’m talking about. On the latest...
Louwrentius
I made my blog solar-powered, then things escalated In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing...
a year ago
6
a year ago
In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing the same thing (but better)1. The answer was 'yes', but only through spring and summer. I live in an apartment complex in The Netherlands and my balcony is facing west. This...
Jonas Hietala
2019 in Review As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on...
over a year ago
7
over a year ago
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on the past year, and see that I did indeed do some things, and to look ahead a little. 2019 Non-Geek Achievements Played around with Isidor. It’s hard to describe how happy a kid can...
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
4
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
5
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
lcamtuf’s thing
Shining light on photodiodes Photodiodes are incredibly versatile, but commonly misused and misunderstood.
2 months ago
Jonas Hietala
Starcraft 2 Keycaps When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
4
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
Vitalik Buterin's...
Why we need wide adoption of social recovery wallets
over a year ago
Arduino Blog
Arduino’s Alvik Robot shortlisted for the Bett Awards 2025 in the AV, VR/AR, Robotics, and Digital... We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025,...
2 months ago
35
2 months ago
We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025, this time in the AV, VR/AR, Robotics, or Digital Device category with our Alvik robot! This recognition highlights our dedication to innovation, inclusivity, and the advancement of...
Jonas Hietala
Going down Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and...
over a year ago
6
over a year ago
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and mario bros kinda stuff. Well now I’m not so upbeat anymore, I’ve worked on this game for 7 days now and it’s not playable at all. With seven days I don’t mean a week, I’ve had a big...
./techtipsy
Zimaboard: the closest thing to my dream home server setup I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally...
a year ago
103
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally bought one. In short, Zimaboard is a small single-board computer that is relatively affordable and comes with an interesting selection of ports, which includes an exposed PCI...
Arduino Blog
Zoo elephants get a musical toy to enrich their lives Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
a month ago
14
a month ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
Applied Cartography
Improving Django's default pagination performance Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
5 months ago
7
5 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can. The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
Willem's Blog
Removing paint from a bike frame Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal,...
over a year ago
4
over a year ago
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal, raw aluminium look.
Lighthouse Blog
Updates August 19
4 months ago
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
6
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing. You can see this for...
Arduino Blog
Easily build an energy meter with the Arduino Nano Matter The primary appeal of microcontrollers is their versatility. They are, essentially, the embedded...
3 months ago
28
3 months ago
The primary appeal of microcontrollers is their versatility. They are, essentially, the embedded equivalent of computers — general purpose devices that can perform a wide range of functions. And to get the most out of a microcontroller, you’ll also want connectivity suitable for...
Odds and Ends of...
Odds and Ends #47: I think this YouTube video just changed my life Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
3 weeks ago
./techtipsy
DIY cloud gaming setup with VFIO, Parsec and AMD This is a follow-up to my previous post where I covered the VFIO setup in general. For many people...
over a year ago
38
over a year ago
This is a follow-up to my previous post where I covered the VFIO setup in general. For many people that would have been good enough, but my goal with this setup was to have a powerful gaming setup that I could access from my living room PC with 20 meters of Ethernet cables...
Abort Retry Fail
The History of Commodore, Part 1 Chuck Peddle, the 6502, MOS, and the PET
a year ago
Neil Madden
API Security in Action handed over to production After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
7
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
Home on Erik...
Antipodes I was playing around with D3 last night and built a silly visualization of antipodes and how our...
over a year ago
7
over a year ago
I was playing around with D3 last night and built a silly visualization of antipodes and how our intuitive understanding of the world sometimes doesn't make sense. Check out the visualization at bl.ocks.org! Basically the idea is if you fly from Beijing to Buenos Aires then you...
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
10 months ago
113
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes them hard to follow. I spent a good evening extracting the schematics pages, cutting-and-pasting them together...
Computer Ads from...
Electronic Protection Devices' Electro-Clamp line The Underrated Virtues of Plain Vanilla
9 months ago
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
7
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
Minecraft Server Hosting I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
4
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
Matt Blewitt
Riding the Risk Railway When building and operating a user-facing system, especially one that is open to the public, it is...
over a year ago
4
over a year ago
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Louwrentius
Please use ZFS with ECC Memory In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
7
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs. Why ZFS? Many people...
Willem's Blog
Creating a minimal road bike I wondered how hard it would be to make a bike from spare parts I had in my garage
over a year ago
Electronics etc…
$17 GM1312 Thermometer Review, Test, and Teardown Introduction What is a thermocouple The GM1213 Thermometer A few...
a year ago
63
a year ago
Introduction What is a thermocouple The GM1213 Thermometer A few tests Internals Conclusion References Introduction I’ve been doing a bunch of measurements on oven-controlled oscillators lately, including their temperature. There are multiple ways to measure...
Applied Cartography
How Buttondown uses HAProxy There are few technical decisions I regret more with Buttondown than the decision to combine the...
4 months ago
7
4 months ago
There are few technical decisions I regret more with Buttondown than the decision to combine the author-facing app, the subscriber-facing app, and the marketing site all under a single domain. Most technical decisions are reversible with sufficient grit and dedication; this one...
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
36
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
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
4
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...
Computer Ads from...
Dipco's Easy Reader "Sight for Sore Eyes"
2 months ago
Louwrentius
'Improved' image gallery for Blogofile This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports...
over a year ago
7
over a year ago
This blog is just static HTML pages that are generated using Blogofile. The Blogofile website sports a small image gallery that has been written to illustrate how to create your own 'controllers' or Blogofile plugins. My Python skills are horrible buy I managed to improve a bit...
Matt Mullenweg
RIP Quincy Jones Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is...
a month ago
9
a month ago
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is amazing. I feel so lucky to have met him in 2012 when I was much earlier in my career, and he didn’t have any reason to give me time, but he treated everyone as if they were...
Opsbros
Nix Windows Feedback There turns out to be a far easier way to disable the 'Win+F' Windows Feedback app.
over a year ago
Notes on software...
Writing to be read There is a common struggle in the writing and maintenance of documentation, checklists, emails,...
over a year ago
7
over a year ago
There is a common struggle in the writing and maintenance of documentation, checklists, emails, guides, etc. Each provides immense value; a document may be the key to an important process. The goal is to remove barriers -- to encourage understanding and correct application of...
Jonas Hietala
Rewriting my blog in Rust for fun and profit Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
7
over a year ago
Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far. But all good...
computers are bad
2024-07-13 the contemporary carphone Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation...
6 months ago
73
6 months ago
Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation that has stuck in my brain: sophisticated computer users, nerds if you will, have a tendency to completely ignore things that they know are worthless. He was referring to the...
Home on Erik...
NYC Machine Learning meetup From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly....
over a year ago
4
over a year ago
From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Matt Blewitt
Control Loops and Rice Cookers Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my...
over a year ago
6
over a year ago
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my regular diet, and it completely removes the stress of preparing rice. They also operate on a simple principle that can help us operate cloud infrastructure – the control loop.
Jonas Hietala
The Arty Timeline While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
7
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are: And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Vitalik Buterin's...
Ask security questions
11 months ago
Style over Substance
Using the EZCOO / AVStar HAE118 HDMI2.1 Audio Extractor for PS5/Xbox audio Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out...
a year ago
57
a year ago
Back in 2021, we bought a PlayStation 5 (PS5) as our main living room console. Making the most out of this console meant we also had to buy a new TV, as our old TV was not 4K-compatible and did not support HDMI2.1, the new A/V standard required to support all of the PS5’s...
Posts on Made of...
Distributed cloud builds for everyone CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
6
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Bryan Braun - Blog
Links #11 Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
a month ago
13
a month ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy! Selfishness & Therapy Culture Earlier this year, there was a post in the New York Times called “Sometimes,...
Good Enough
Season 3, Issue 4: Cosmic Staggering Tortoises 1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The...
a year ago
5
a year ago
1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The ambitious goal is to write you a lovely letter every week. Aim for the moon, right? But wait, if you aim for the moon, how in this physical world can you possibly hit a star by...
Lighthouse Blog
Updates December 15: Rebranding to Lighthouse and complete redesign
a year ago
Posts on Made of...
A Go/C Polyglot Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
7
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
Posts on Made of...
A week with the iPhone I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about...
over a year ago
5
over a year ago
I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about it. First, the little things. It is, in typical Apple fashion, an incredibly slick piece of work. Scrolling and zooming images or webpages is simple, easy, and, well, just fun to do...
computers are bad
2023-06-30 calling in the alarm I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But...
a year ago
55
a year ago
I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But here's something short while I'm temporarily back in the warm embrace of 5G: more about burglar alarms. I recently gave a presentation on this topic and I'll probably record it for...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
6 months ago
5
6 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
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
6
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
2024-05-15 catalina connections Some things have been made nearly impossible to search for. Say, for example, the long-running...
7 months ago
129
7 months ago
Some things have been made nearly impossible to search for. Say, for example, the long-running partnership between Epson and Catalina: a query that will return pages upon pages of people trying to use Epson printers with an old version of MacOS. When you think of a point of sale...
On Life and Lisp
AAA gaming on Asahi Linux Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which...
3 months ago
46
3 months ago
Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which integrates our Vulkan 1.3 drivers with x86 emulation and Windows compatibility. Plus a bonus: conformant OpenCL 3.0. Asahi Linux now ships the only conformant OpenGL®, OpenCL™, and...
Lighthouse Blog
How to organize content
7 months ago
Neil Madden
Galois/Counter Mode and random nonces It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain...
7 months ago
7
7 months ago
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Old Vintage...
xa (xa65) 2.4.0 - finally xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
65
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
4
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them. Protecting that signing key is important, as Apple must blindly trust any binaries...
Vitalik Buterin's...
Making Ethereum alignment legible
3 months ago
Home on Erik...
My issue with GPU-accelerated deep learning I've been spending several hundred bucks renting GPU instances on AWS over the last year. The...
over a year ago
5
over a year ago
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The speedup from a GPU is awesome and hard to deny. GPUs have taken over the field. Maybe following the footsteps of Bitcoin mining there's some research on using FPGA (I know very little...
Louwrentius
PPSS version 2.30 now operates asynchronous If you background a bash or shell process, how do you determine if it has finished? Since inter...
over a year ago
5
over a year ago
If you background a bash or shell process, how do you determine if it has finished? Since inter process communication is not possible using shell scripts, people often refer to while loops or other polling mechanisms to determine if some process has stopped. However, the one...
Birchtree
X Premium Plus now costs well more than running my own damn Mastodon server Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge X has...
2 weeks ago
21
2 weeks ago
Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge X has substantially raised the price of its top-tier user subscription in multiple regions to help bolster the platform’s creator payouts. The increase for Premium Plus came into effect...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
a year ago
Engineers Need Art
Virtual Pinhead Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
9 months ago
97
9 months ago
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
Ken Shirriff's blog
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962 What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from...
10 months ago
4
10 months ago
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974? Perhaps the lesser-known Micral N (1973) or Q1 (1972)? How about the Arma Micro Computer from way back in 1962. The Arma Micro Computer was a compact 20-pound transistorized...
Posts on Made of...
reptyr: Attach a running process to a new terminal Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an...
over a year ago
7
over a year ago
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an existing running program and attaching it to a new terminal. Started a long-running process over ssh, but have to leave and don’t want to interrupt it? Just start a screen, use...
Jonas Hietala
Going into Being Busy mode I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or...
over a year ago
4
over a year ago
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or something? So I can’t promise a game the next two months. Kinda beats the point of this site doesn’t it? I’m really sorry and that’s all I can say really… Hopefully I’ll get a week...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
76
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa, and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s a new museum around here! The...
./techtipsy
Your Wi-Fi might be terrible because of Dynamic Frequency Selection (DFS) For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5...
a month ago
42
a month ago
For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5 GHz one would suddenly stop working and completely disappear from the available Wi-Fi networks. OpenWRT upgrades also didn’t improve the situation. This was very annoying. After...
Willem's Blog
Helping people with free software This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
over a year ago
Birchtree
Grading my 2024 Apple predictions First off, merry Christmas! I closed out last year with a series of posts reviewing Apple’s main...
2 weeks ago
21
2 weeks ago
First off, merry Christmas! I closed out last year with a series of posts reviewing Apple’s main product lines, iPhones, iPads, Macs, Watches, and the soon-to-be-released Vision Pro. I’ll be doing that again over the last few days of the year, but in the interest of
anderegg.ca
Maybe Bluesky has “won” November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X....
a month ago
9
a month ago
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this...
Vitalik Buterin's...
On Collusion
over a year ago
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
6
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A...
Jonas Hietala
Printing Hextraction for my kids A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with...
11 months ago
8
11 months ago
A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with my 3D printer instead of just tinkering with it. I printed Hextraction, a very cool 3D printed board game for my kids—and they love it. Hextraction is a gamified marble run, where...
./techtipsy
Steam Deck: I like it I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO,...
7 months ago
93
7 months ago
I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO, the unofficial SteamOS installer finally convinced me to get one.1 It took another year to actually get down to writing down my thoughts on it. This post is written from the...
Louwrentius
Improving web application security by implementing database security Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
7
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
Jonas Hietala
An Epic Start Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
7
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Azad's Blog
RealityCapture to Gaussian Splatting using PostShot TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import...
5 months ago
5
5 months ago
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import it into PostShot to train Gaussian Splats without using COLMAP. Video tutorial RealityCapture Import your images and align them. If you ever need help with tricky dataset, refer to...
./techtipsy
How to take down production with a single Helm command You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes,...
9 months ago
117
9 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes, especially after the time you migrated some services to it. Everything is calm. Your pods are running. Your service is up. Business as usual. You release some minor changes to...
computers are bad
2024-01-06 usb on the go USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption...
a year ago
79
a year ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption until some years later; for most of the '90s RS-232-ish serial and its awkward sibling the parallel port were the norm for external peripheral. It's sort of surprising that USB...
Posts on Made of...
How I Write Tests The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
5
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
Notes on software...
A paper reading club at work; databases and distributed systems research I started a paper reading club this week at work, focused on databases and distributed systems...
9 months ago
7
9 months ago
I started a paper reading club this week at work, focused on databases and distributed systems research. I posted in a general channel about the premise and asked if anyone was interested. I clarified the intended topic and that discussions would be asynchronous over email, run...
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May! Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
7 months ago
93
7 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16 Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
74
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck! The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Arduino Blog
Circuit Canvas can help you quickly create illustrated wiring diagrams Good documentation is extremely useful when conceiving, building, or sharing electronic circuit...
6 months ago
37
6 months ago
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit designs, but traditional schematics and technical drawings are difficult for non-professionals to interpret and create. Makers can benefit from intuitive illustrations that look good...
Electronics etc…
ThinMachine - a $25 Thin Client MacOS Time Machine Appliance The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing...
a year ago
81
a year ago
The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing this blog post, I’ve been told that this is now deprecated and that Samba should be used instead. I’ll update this blog post in the near future. Introduction The HP t520 Thin...
Abort Retry Fail
The History of Windows NT 3.1 A Highly Portable Future
a year ago
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
8 months ago
Good Enough
Actual Customer Support Is Remarkable What a sad thing to write. We believe in good software around here. There is a lot of poorly built...
a year ago
4
a year ago
What a sad thing to write. We believe in good software around here. There is a lot of poorly built software on the Internet and in the app stores. Our motivation with Good Enough is to try to put together a few products that feel just right to the folks using them. The things we...
Louwrentius
The security risk of vendor-supplied default SSL certificates Often, software comes supplied with some default SSL certificate, for testing purposes, such as...
over a year ago
5
over a year ago
Often, software comes supplied with some default SSL certificate, for testing purposes, such as those 'snake oil' certificates (they are called snake oil certificates for a reason). In practice, I often encounter usage of such certificates. People may seem to think that as long...
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
39
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...
computers are bad
2023-10-15 go.com Correction: a technical defect in my Enterprise Content Management System resulted in the email...
a year ago
115
a year ago
Correction: a technical defect in my Enterprise Content Management System resulted in the email having a subject that made it sound like this post would be about the classic strategy game Go. It is actually about a failed website. I regret the error; the responsible people have...
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
6
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
Thunderbolt, a cheap high-speed storage interconnect? Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace...
over a year ago
6
over a year ago
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace both USB and Firewire. It is mainly targeted at end-user systems allowing to connect peripherals with just a single cable to a computer. Thunderbolt devices, like external hard...
seangoedecke.com RSS...
Writing good technical explanations Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
7
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
computers are bad
2023-02-17 something up there pt II As we discussed previously, the search for UAP is often contextualized in terms of the events of...
a year ago
53
a year ago
As we discussed previously, the search for UAP is often contextualized in terms of the events of 2017: the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow and Tom DeLonge. While widely publicized, these programs seem to have lead to very little. I...
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Computer Ads from...
NCR PC4i Growing with your needs
2 weeks ago
Louwrentius
Raspberry Pi as a router using a single network interface Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run...
over a year ago
9
over a year ago
Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run your own router at home, the Raspberry Pi 4 Model B1 can be an excelent hardware choice: it's fairly cheap it's fast enough it can saturate it's gigabit network port it is...
Home on Erik...
The relationship between commit size and commit message size Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's...
over a year ago
5
over a year ago
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's my rationale: When I update one line of code I feel like I have to put in a long explanation about its side effects, why it's fully backwards compatible, and why it fixes some...
Electronics etc…
The HP 423A and a Beginner’s Deep Dive into RF Crystal Detectors MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
76
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
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
4
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.
Posts on Made of...
Finding near-duplicates with Jaccard similarity and MinHash Suppose we have a large collection of documents, and we wish you identify which documents are...
6 months ago
7
6 months ago
Suppose we have a large collection of documents, and we wish you identify which documents are approximately the same as each other. For instance, we may have crawled the web over some period of time, and expect to have fetched the “same page” several times, but to see slight...
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Notes on software...
btest: a language agnostic test runner btest is a minimal, language-agnostic test runner originally written for testing compilers. Brian,...
over a year ago
6
over a year ago
btest is a minimal, language-agnostic test runner originally written for testing compilers. Brian, an ex- co-worker from Linode, wrote the first implementation in Crystal (a compiled language clone of Ruby) for testing bshift, a compiler project. The tool accomplished exactly...
lcamtuf’s thing
Against the hydraulic analogy The most popular tool for teaching electronics makes the trade harder to learn.
a week ago
Matt Blewitt
Service Objects in Rails Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects,...
over a year ago
4
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects, in the context of Rails.
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years...
10 months ago
4
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years since the web version was done, and 3 since the physical copy was available… Which can hardly be called a success. Things happened, so let’s do a quick retrospective to, maybe, learn...
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently Ok, so I have to first preface this whole blog post by a few things: I really struggle with the...
over a year ago
5
over a year ago
Ok, so I have to first preface this whole blog post by a few things: I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Willem's Blog
Limitations of sleep tracking using a wearable Limitations of heart rate analyses during sleep, why you should reconsider tracking your sleep.
over a year ago
seangoedecke.com RSS...
Learning incident response with problem sets It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
4
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Applied Cartography
Peak Newsletter A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to...
5 months ago
6
5 months ago
A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to admit this (I don't want more competition lol) but I think we're still probably a year or two away from Peak Newsletter. It's just a really good distribution mechanism for certain...
Christian Selig
Table of Contents Selector View I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
28
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Home on Erik...
Black Box Machine Learning in the Cloud There's a bunch of companies working on machine learning as a service. Some old companies like...
over a year ago
6
over a year ago
There's a bunch of companies working on machine learning as a service. Some old companies like Google, but now also Amazon and Microsoft. Then there's a ton of startups: PredictionIO ($2.7M funding), BigML ($1.6M funding), Clarifai, etc, etc.
Arduino Blog
Control your volume with a wireless rotary encoder, as you deserve Every decent stereo sold since the invention of sound has included a knob on the front for adjusting...
3 days ago
16
3 days ago
Every decent stereo sold since the invention of sound has included a knob on the front for adjusting volume. There are influencers and entire communities dedicated to evaluating the feel of those wonderful knobs. So why would you settle for the mushy volume buttons on a remote?...
Lighthouse Blog
Deep dive into finding RSS feeds
a month ago
Applied Cartography
PSA: mess around with Kolo I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
10 months ago
6
10 months ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code. If you have a Django app, I think you should drop...
Jonas Hietala
Netrunner Lindhska Store Championship Örebro After the awesomeness during the previous store championship, I decided to go to the store...
over a year ago
4
over a year ago
After the awesomeness during the previous store championship, I decided to go to the store championship at Lindhska Bokhandel in Örebro. I brought a modified version of the same corp I used the last time, a Blue Sun kill deck and a new runner with Leela Patel. See the links for...
Home on Erik...
Waiting time, load factor, and queueing theory: why you need to cut your systems a bit of slack I've been reading up on operations research lately, including queueing theory. It started out as a...
over a year ago
11
over a year ago
I've been reading up on operations research lately, including queueing theory. It started out as a way to understand the very complex mortgage process (I work at a mortgage startup) but it's turned into my little hammer and now I see nails everywhere.
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
Ian's Blog
Why my Apps Aren't Available on Apple Vision Pro Recently I have received some questions from users of both TLS Inspector and DNS Inspector enquiring...
5 months ago
6
5 months ago
Recently I have received some questions from users of both TLS Inspector and DNS Inspector enquiring why the apps aren't available on Apple's new Vision Pro headset. While I have briefly discussed this over on my Mastodon, I figured it might be worthwhile putting things down with...
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
6
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...
Nabeel S. Qureshi
How To Sell Sales at a startup is counter-intuitive.
over a year ago
Style over Substance
My grandfather’s Rolleiflex 2.8D twin-lens reflex (TLR) camera One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family...
over a year ago
66
over a year ago
One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family cameras it had disappeared into a closet decades ago and was only found again recently. When he gave it to me, he told me there was another classic camera he wanted to give me – if...
Old Vintage...
xa (xa65) 2.4.1 A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02,...
10 months ago
79
10 months ago
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02, R65C02 and 65816 processors that André and I maintain is now at version 2.4.1. This optionally expands the syntax from 2.4.0 and fixes some bugs primarily with relocatable .o65...
Home on Erik...
Some more font links My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
4
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Jonas Hietala
March Theme: 10 seconds Well well here’s something interesting. The Experimental Gameplay Project has given us a really...
over a year ago
6
over a year ago
Well well here’s something interesting. The Experimental Gameplay Project has given us a really interesting thing to focus on: Time. Like Braid, it’s time for us to make something interesting with time itself. 10 seconds is the constraint and that’s not a lot, but perhaps enough?
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
4 months ago
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
3 months ago
25
3 months ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Buck on Software
The Software Slog As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
computers are bad
2024-01-21 multi-channel audio part 1 Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of...
11 months ago
81
11 months ago
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of pieces of consumer audio reproduction equipment as "a stereo." As you might imagine, this is a relatively modern phenomenon. While stereo audio in concept dates to the late 19th...
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
2 months ago
37
2 months ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
5
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
./techtipsy
Self-hosting Wikipedia using Kiwix Do you have a need to host Wikipedia on your computer? Or a StackExchange site, like Super...
over a year ago
33
over a year ago
Do you have a need to host Wikipedia on your computer? Or a StackExchange site, like Super User? It’s easier than you think! Step 1: download stuff! The Kiwix project provides ZIM files for many popular websites, including Wikipedia. These files can be downloaded over at Kiwix...
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
4
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...
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
4 months ago
42
4 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
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
8
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,...
Posts on Made of...
Testing and feedback loops Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
7
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model. As mentioned in an earlier post, I think a lot about working in...
Willem's Blog
The best bike computer app: Cyclemeter Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a...
over a year ago
6
over a year ago
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
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...
3 months ago
8
3 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...
lcamtuf’s thing
Weekend projects: Sketchy Sketch Making a nicer version of a forgotten, electronic Etch-A-Sketch toy.
3 days 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?...
8 months ago
82
8 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...
computers are bad
2024-07-31 just disconnect the internet So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of...
5 months ago
59
5 months ago
So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of their Windows install base with a poorly tested content update. Rough day at the office, huh? There are lots of things you could say about this, lots of reasons it happens this way,...
Home on Erik...
Scala Data Pipelines for Music Recommendations Chris Johnson‘s presentation from Data Day Texas:
over a year ago
Neil Madden
The square roots of all evil Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
a month ago
10
a month ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
Arduino Blog
This unique wall sconce welcomes you home with warm light Have you ever walked through your front door after a long day of work and realized that your home...
4 weeks ago
32
4 weeks ago
Have you ever walked through your front door after a long day of work and realized that your home just isn’t as inviting as it seems like it should be? While it may not work miracles, some nice and welcoming lighting can make a big difference. That’s why Lauren Palazzi made this...
Applied Cartography
Migrating to Django 5 The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was...
2 months ago
11
2 months ago
The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was incentivized to do so because our search right now is quite slow, and the lowest hanging piece of fruit is to move some of the tsvector generation out of band, and I'd rather do that using...
Ken Shirriff's blog
Reverse engineering standard cell logic in the Intel 386 processor The 386 processor (1985) was Intel's most complex processor at the time, with 285,000...
11 months ago
7
11 months ago
The 386 processor (1985) was Intel's most complex processor at the time, with 285,000 transistors. Intel had scheduled 50 person-years to design the processor, but it was falling behind schedule. The design team decided to automate chunks of the layout, developing "automatic...
Louwrentius
I resurrected my Dutch movie review site from 2003 Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the...
over a year ago
5
over a year ago
Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Ian's Blog
GitHub Notification Emails Hijacked to Send Malware As an open source developer I frequently get emails from GitHub, most of these emails are...
3 months ago
7
3 months ago
As an open source developer I frequently get emails from GitHub, most of these emails are notifications sent on behalf of GitHub users to let me know that somebody has interacted with something and requires my attention. Perhaps somebody has created a new issue on one of my...
Simply Explained
How I Built an NFC Movie Library for my Kids When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to...
a year ago
8
a year ago
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to today, and my children's movie collection is vastly different. It's completely digital and dispersed across services. I wanted to recreate the tangible magic of my childhood for them.
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...
9 months ago
85
9 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...
Jonas Hietala
Ludum Dare 22 Timelapse Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
7
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E. https://www.youtube.com/watch?v=eoKDyhxCVm0 This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Jonas Hietala
Extracting schedule information from timeedit At LIU we use timeedit to track our schedules. Recently they updated their interface and improved...
over a year ago
4
over a year ago
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved some parts. It’s now possible to create a prenumeration of a collection of courses exported as csv which can then be imported to other calendar apps. But they also started to...
Notes on software...
dsq: Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more. This is an external post of mine. Click here if you are not redirected.
over a year ago
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Arduino Blog
Create your own affordable Arduino-powered smart glasses When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the...
8 months ago
93
8 months ago
When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the world isn’t ready yet.” Now that more than a decade has passed, the world may finally be ready — especially with the omission of controversial features like video recording. If...
Home on Erik...
Software Engineers and Automation Every once in a while when talking to smart people the topic of automation comes up. Technology has...
over a year ago
5
over a year ago
Every once in a while when talking to smart people the topic of automation comes up. Technology has made lots of occupations redundant, so what's next? Switchboard operator, a long time ago What about software engineers?
Willem's Blog
Backup Rotation Scheme Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync,...
a year ago
6
a year ago
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync, creating and maintaining multiple recovery points from your backups.
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
6
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Home on Erik...
Storm in the stratosphere: how the cloud will be reshuffled Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly...
over a year ago
2
over a year ago
Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly focus on the lowest layers in the stack: basically leasing capacity in their data centers through an API. Other pure-software providers will build all the stuff on top of it.
Vitalik Buterin's...
Na colusão
over a year ago
Jonas Hietala
2017 in Review In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got...
over a year ago
5
over a year ago
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got a child in October! It really alters your perspectives and other things suddenly feel a little less important and of course there’s less time to do other stuff. A little late and...
computers are bad
2024-02-11 the top of the DNS hierarchy In the past (in fact two years ago, proof I have been doing this for a while now!) I wrote about the...
11 months ago
78
11 months ago
In the past (in fact two years ago, proof I have been doing this for a while now!) I wrote about the "inconvenient truth" that structural aspects of the Internet make truly decentralized systems infeasible, due to the lack of a means to perform broadcast discovery. As a result,...
Louwrentius
Neato XV-15 / XV-11 Robotic Vacuum cleaner review Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the...
over a year ago
6
over a year ago
Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the batteries are depleted very fast. Even if the batteries are not entirely depleted and the robot can still display the menu, the clock loses it's time. Every time the robot gets a too...
Jonas Hietala
I Made It! It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
5
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
Buck on Software
Crypto and Chasing the Dragon Marc and Ben’s midlife crisis and the Crypto Crusades
over a year ago
computers are bad
2023-08-19 meanwhile elsewhere I had meant to write something today, but I'm just getting over a case of the COVID and had a hard...
a year ago
80
a year ago
I had meant to write something today, but I'm just getting over a case of the COVID and had a hard time getting to it. Instead I did the yard work, edited and uploaded a YouTube video, and then spewed out a Cohost thread as long as a blog post. So in lieu of your regularly...
Home on Erik...
The half-life of code & the ship of Theseus As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
7
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Computer Ads from...
Comics from 1983/08 Today Mag Time for some levity. The following comics were all found in the August 1983 issue of Today...
10 months ago
80
10 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
Posts on Made of...
A brief look at Linux's security record After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
4
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
Willem's Blog
Saving a MacBook Air with exploded battery Saving a MacBook Air with a swollen battery pack.
over a year ago
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
Arduino Blog
This small device enables users to feel braille through haptics For the visually impaired community, most of their interactions on mobile phones are confined to...
7 months ago
73
7 months ago
For the visually impaired community, most of their interactions on mobile phones are confined to text-to-speech (TTS) interfaces that read portions of the screen aloud. Dynamic braille displays also exist as a tactile means of communication, but their prices can get close to...
Home on Erik...
Books I read in 2015 Early last year when I left Spotify I decided to do more reading. I was planning to read at least...
over a year ago
2
over a year ago
Early last year when I left Spotify I decided to do more reading. I was planning to read at least one book per week and in particular I wanted to brush up on management, economics, and technology.
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
4 months ago
Willem's Blog
Six months with MCADD It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
7
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
computers are bad
2023-11-25 the curse of docker I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza...
a year ago
77
a year ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker. Packaging software is one of those fundamental...
./techtipsy
Recovering a password-protected ThinkPad T60 A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use by a family member...
over a year ago
32
over a year ago
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use by a family member before that, and I started its cleanup by disassembling the whole machine and making sure that it was pristine. However, once I put it all back together, I saw that it was password...
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
Jonas Hietala
Habits to start I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
7
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
9 months ago
7
9 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the dominance of the x86 architecture that continues to the present.1 One...
Applied Cartography
Weird test: internal link checking I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
7
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign! const extractInternalLinks = (content: string): string[] => { // Check for internal links only, in the form of [text](/path). const...
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)...
2 months ago
29
2 months 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,...
On Life and Lisp
Vulkan 1.4 sur Asahi Linux English version follows. Aujourd’hui, Khronos Group a sorti la spécification 1.4 de l’API graphique...
a month ago
34
a month ago
English version follows. Aujourd’hui, Khronos Group a sorti la spécification 1.4 de l’API graphique standard Vulkan. Le projet Asahi Linux est fier d’annoncer le premier pilote Vulkan 1.4 pour le matériel d’Apple. En effet, notre pilote graphique Honeykrisp est reconnu par...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
3
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor. Purpose The...
Willem's Blog
Optical vs chest strap heart rate monitors Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
over a year ago