Ken Shirriff's blog
The transparent chip inside a vintage Hewlett-Packard floppy drive
While repairing an eight-inch HP floppy drive, we found that the problem was a broken interface...
a year ago
While repairing an eight-inch HP floppy drive, we found that the problem was a broken interface chip.
Since the chip was bad, I decapped it and took photos.
This chip is very unusual: instead of a silicon substrate, the chip is formed on
a base of sapphire, with silicon and metal...
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
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...
Notes on software...
Building a fast SCSS-like rule expander for CSS using fuzzy parsing
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Louwrentius
Compiling Handbrake CLI on Debian Lenny
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although...
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although the Handbrake GUI version does compile on Lenny, it crashes
with a segmentation fault like this:
Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5
and height...
Posts on Made of...
Reflections on software performance
At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Notes on software...
Finding memory leaks in Postgres C code
This is an external post of mine. Click
here
if you are not redirected.
9 months ago
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
Why I don't rely on AI for programming (too much)
I find that ai can help significantly with doing plumbing, but it has no problems with connecting...
a month ago
I find that ai can help significantly with doing plumbing, but it has no problems with connecting the pipes wrong. I need to double and triple check the updated code - or fix the resulting errors when I don’t do that.
thih9 on Hacker News
I’ve been skeptical of the AI craze...
Willem's Blog
Traffic shaping using iptables and tc
This month I responded to an automated alert indicating excessive bandwidth usage on a server,...
over a year ago
This month I responded to an automated alert indicating excessive bandwidth usage on a server, requiring me to apply traffic shaping to mitigate the traffic.
Louwrentius
My home network setup based on managed switches and VLANs
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear.
So this is my setup (click for a bigger version):
I like to run my own router but...
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Louwrentius
'Linux: using disk labels to counter storage device name changes'
My router decided to change the device name for some USB storage devices. So
/dev/sdc was swapped...
over a year ago
My router decided to change the device name for some USB storage devices. So
/dev/sdc was swapped for /dev/sdd and vice versa. The result was some file
system corruption on /dev/sdc, because it was used on a remote system through
iSCSI, using a different file system from...
Home on Erik...
When machine learning matters
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to...
over a year ago
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to forget, but Spotify's key differentiator back then was the low-latency playback. People would say that it felt like they had the music on their own hard drive.
Arduino Blog
Finally, you can DIY your own espresso machine
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the...
3 months ago
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the world of espresso machines. To satisfy enthusiasts, an espresso machine needs to provide precise control over temperature, pressure, and flow to enable the perfect pull. But if...
./techtipsy
Oversimplified guide into snapshots on the btrfs filesystem
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files...
over a year ago
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files around. You finish the script and test it out.
Oops.
All the files now have all the wrong names, and some have been randomly moved
10 folders deep. It’s a mess.
And you didn’t make a...
Jonas Hietala
October theme says: Numbers
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
Arduino Blog
Boring rice cooker becomes uruchimai powerhouse
Rice cookers are staple appliances in about half of the world and basic models are very affordable....
5 months ago
Rice cookers are staple appliances in about half of the world and basic models are very affordable. But those are simple machines that are about as “dumb” as electric kettles. The result is often rice that has been sitting in the warming stage for too long, making the bottom...
Notes on software...
Why (and how) to read books
The last time I read for fun was in elementary school. Since college I
knew I must read more, but I...
over a year ago
The last time I read for fun was in elementary school. Since college I
knew I must read more, but I never forced myself to build the
habit. Then three years ago I spent time around my brother and a
coworker who were avid readers. This "peer pressure" helped me get
started.
Since...
Arduino Blog
A DIY bottle-labeling machine perfect for homebrewers
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires...
6 months ago
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires regulated gas and large refrigeration space. A keg is also more difficult to transport and overkill if you just want to bring a few beers to a friend’s backyard BBQ. For those reasons,...
Willem's Blog
Being a volunteer in Amsterdam-Zuidoost
About my work as volunteer in the local community center in Amsterdam Zuidoost
over a year ago
About my work as volunteer in the local community center in Amsterdam Zuidoost
Yazin Alirhayim
Tracking where a WhatsApp user came from
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”.
A problem we faced really early on when connecting to WhatsApp was that...
Home on Erik...
Exploding offers are bullshit
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I...
over a year ago
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I never put a deadline on any of them. Unfortunately, I've often ended up competing with other companies who do, and I feel really bad that this usually tricks younger developers...
Louwrentius
Rebooting results in degraded RAID array using Debian Lenny
As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk
and 'virtual' 1 TB...
over a year ago
As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk
and 'virtual' 1 TB disks that are in fact two 0.5 TB disks in RAID 0.
I wanted to upgrade to Lenny because the new kernel that ships with Lenny
supports growing a RAID 6 array. After installing Lenny...
Arduino Blog
Let’s play at the Maker Faire Rome 2024!
We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27,...
2 months ago
We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27, 2024), with some exciting experiences lined up for all makers, innovators, and creators who attend! Learn by playing at our booth Visit us at the fair for a playful, interactive...
Willem's Blog
Solo around the Markermeer (211KM)
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough.
The apt-get install debian-zfs command would just hang.
I noticed a...
Home on Erik...
statself.com
Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Louwrentius
Fio-plot: creating nice charts from FIO storage benchmark data
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
over a year ago
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below.
The github project page explains how to run this tool.
Fio-plot also includes a benchmark script...
Jonas Hietala
The ASIC pit of despair
Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s...
over a year ago
Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s hashrate were ASICs.
Recurring hard forks to brick ASICs is a very dangerous game and what better to illustrate this than with an xkcd-style plot?
You’re safe on the edges but how do...
Neil Madden
Regular JSON
For better or worse, depending on your perspective, JSON has become a dominant data format and shows...
a year ago
For better or worse, depending on your perspective, JSON has become a dominant data format and shows no signs of being replaced any time soon. There are good reasons for that: on the face of it, it provides a very simple format with just enough features to cover a lot of...
Arduino Blog
Can this tiny lawn mower robot cut it in the real world?
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Arduino Blog
An ultra-affordable DIY underwater ROV
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
Posts on Made of...
Running Tensorflow on AWS GPUs
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that...
over a year ago
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that project I wanted to be able to train models using GPUs on EC2. This post contains some notes on what it took to get that working. As many people have commented, the environment setup...
Matt Mullenweg
Age-gating
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and...
3 weeks ago
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and democratic societies can decide their own rules there. But it should be handled and authenticated as low-level as possible, at the operating system layer. See also: Australia’s...
Gwern.net Newsletter
May 2021 Gwern.net Newsletter
links on AI hardware, diffusion models, optogenetics, brain scanning.
over a year ago
links on AI hardware, diffusion models, optogenetics, brain scanning.
Simply Explained
EZStore: a tiny serverless datastore for IoT data (DynamoDB + Lambda)
I've been working on a few IoT projects recently, and while prototyping, I need a simple but...
over a year ago
I've been working on a few IoT projects recently, and while prototyping, I need a simple but flexible data store. I just want to push data to an API and query and visualize it later on.There are many solutions for this, but most are expensive or very limited. So I set out to...
Louwrentius
ZFS performance on HP Proliant Microserver Gen8 G1610T
I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your...
over a year ago
I think the HP Proliant Microserver Gen8 is a very interesting little box if you want to build your own ZFS-based NAS. The benchmarks I've performed seem to confirm this.
The Microserver Gen8 has nice features such as:
iLO (KVM over IP with dedicated network interface)
support...
Jonas Hietala
New Computer!
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are).
The specs:
GPU: Gigabyte GeForce GTX 550Ti OC 1GB
CPU: Intel core i5 2500K
CPU cooler: Zalman CNPS-9900NT
Motherboard: MSI P67A-C45 REV B3
Ram:...
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
Louwrentius
My Ceph test cluster based on Raspberry Pi's and HP MicroServers
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In...
over a year ago
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In this blogpost I'll discus the cluster in more detail and I've also included (fio) benchmark results.
This is my test Ceph cluster:
The cluster consists of the following...
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
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...
Arduino Blog
This Kenyan engineer modernizes vintage cars with a custom ECU and EFI upgrades
The automotive industry’s switch from carburetion to fuel injection was one of the most effective...
2 months ago
The automotive industry’s switch from carburetion to fuel injection was one of the most effective advancements of the 20th century. Electronic fuel injection allows for precise control over an internal combustion engine’s air-fuel mixture, which dramatically improves fuel...
Bryan Braun - Blog
Before you buy a domain name, first check to see if it’s haunted
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an...
a month ago
In mid-2022 I bought a new domain name.
The name was musicbox.fun. I got it for a side-project, an interactive online music box that I had built and hosted at musicboxfun.com. The new name was shorter and more quirky. I felt lucky to have grabbed it.
Unfortunately, musicbox.fun...
detreville
Father's Day
(First posted on Father's Day, 2022.)
a year ago
(First posted on Father's Day, 2022.)
Old Vintage...
Composite and hard reset mods for the Tandyvision One
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component.
The Mattel Intellivision proper originally hails...
somenice
CBC Spark with Nora Young
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Notes on software...
Windows
It has been six years since I last used Windows for any remotely
serious software development. I've...
over a year ago
It has been six years since I last used Windows for any remotely
serious software development. I've used Ubuntu, Arch, or FreeBSD
since. But eventually I spent so much time working around common
workplace tasks that I decided to put Windows 10 Pro on my work
laptop.
Windows...
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Home on Erik...
The number of letters in the word for each number
Just for fun, I generated these graphs of the number of letters in the word for each number. I...
over a year ago
Just for fun, I generated these graphs of the number of letters in the word for each number. I really spent about 10 minutes on this (ok…possibly also another 40 minutes tweaking the plots):
More languages!
Jonas Hietala
December Theme: New World Order
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of...
over a year ago
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of this year but that’s something we can’t accept! I’ve done my game and I didn’t force myself out from the Haskell world just to do nuthin so here’s a new little theme for me :)
What...
Jonas Hietala
A simple timeline using CSS flexbox
As I added a /now page to the site I also decided to refresh my /about page and I figured it would...
3 months ago
As I added a /now page to the site I also decided to refresh my /about page and I figured it would be neat to have timeline element where I could list some of the larger events in my life.
To my surprise it wasn’t too difficult to create one that looks pretty clean—the flexbox...
Willem's Blog
The best keyboard for iPad
While everybody is raving about the Magic Keyboard there is something to be said for the...
over a year ago
While everybody is raving about the Magic Keyboard there is something to be said for the "mouse-less" Smart Keyboard Folio. Read along for a detailed analyses based on actual iPad use.
Simply Explained
My Sixth Year as YouTube Creator (statistics + retrospective)
Every new year I reflect on the previous year and set new goals. Last year has been my most...
over a year ago
Every new year I reflect on the previous year and set new goals. Last year has been my most successful year on YouTube so far, and I'd like to share some statistics and thoughts. I will also go over how my email newsletter is doing and where I'm headed. And finally, I'll set...
Simply Explained
Retrospective: My Fifth Year on YouTube
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Jonas Hietala
Browse posts with telescope.nvim
I’ve used telescope.nvim's find files with
require("telescope.builtin").find_files for quite some...
7 months ago
I’ve used telescope.nvim's find files with
require("telescope.builtin").find_files for quite some time.
I use find files together with it’s cousin .oldfiles (find recently opened files) all the time for finding source code files, blog posts, and more.
But it’s naturally...
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Notes on software...
The year in books: 20 to recommend in 2020
This year I finished 47 books, up from last year but not a personal
best. The breakdown was 17...
over a year ago
This year I finished 47 books, up from last year but not a personal
best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30
remain started but unfinished this year.
Non-fiction
The 8 non-fiction books I most recommend are:
Fashionapolis: The Price of Fast Fashion and...
Lighthouse Blog
Updates September 9: Feed finding
3 months ago
Jonas Hietala
addwatch: resource exhausted
While tampering with Hakyll and running site preview I stumbled upon this error message:
site:...
over a year ago
While tampering with Hakyll and running site preview I stumbled upon this error message:
site: addWatch: resource exhausted (No space left on device)
At first I tried to clear /tmp but, so clearly the device did have some space left. After a bit of googling I found a solution...
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
10 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s.
This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an
example.
Although the chip looks like a tangle of lines at first,
its large...
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
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...
Computer Ads from...
Ampere WS-1
A cool Japanese clamtop
9 months ago
computers are bad
2024-03-27 telephone cables
So let's say you're working on a household project and need around a dozen
telephone cables---the...
9 months ago
So let's say you're working on a household project and need around a dozen
telephone cables---the ordinary kind that you would use between your telephone
and the wall. It is, of course, more cost effective to buy bulk cable, or
simply a long cable, and cut it to length and attach...
Good Enough
Cool URLs Don’t Die
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers.
This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
Applied Cartography
Buttondown Analytics 3.0
Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'.
Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
Arduino Blog
5 ways to use Arduino with kids
One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Home on Erik...
We are still early with the cloud: why software development is overdue for a change
This is is in many respects a successor to a blog post I wrote last year about what I want from...
over a year ago
This is is in many respects a successor to a blog post I wrote last year about what I want from software infrastructure, but the ideas morphed in my head into something sort of wider.
Posts on Made of...
Measuring Capacity Through Utilization
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts...
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”.
By this I mean: If you look at the behavior of a...
Jonas Hietala
Laying off Pintos
Exam period is here which means all courses should be wrapping up and a week or so ago we finished...
over a year ago
Exam period is here which means all courses should be wrapping up and a week or so ago we finished up our lab series about pintos. The labs were among the best I’ve had yet and I learned a ton. We didn’t follow the official instructions but we had our own assigmnets....
Louwrentius
The kind of sound you never want to hear from your computer
The sounds of hard drives that have perished
These sounds are only frightening or scary if you...
over a year ago
The sounds of hard drives that have perished
These sounds are only frightening or scary if you imagine your precious data
only exists on that failing drive. If you make consistent and frequent backups
and/or you run a fault-tolerant RAID flavour, it is but a nuisance.
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 5: The Purge
a month ago
On Life and Lisp
Growing up Alyssa
When I was 10, I came out as transgender. I was a girl and I knew it.
I was one of the lucky...
a year ago
When I was 10, I came out as transgender. I was a girl and I knew it.
I was one of the lucky ones.
After four painful years, I was fortunate enough to access gender-affirming health care. First testosterone blockers. Later estrogen, the stuff my peers soaked in for years while I...
Jonas Hietala
Establishing Habits with Habitica
I have used Habitica the last 18 months to organize my habits and things I want to get done. I...
over a year ago
I have used Habitica the last 18 months to organize my habits and things I want to get done. I believe it all started with an amazing book called The Power of Habit which describes the amazing benefits habits can give, both in the context of your own life but also in business....
Home on Erik...
Business secrets from terrible people
I get bored reading management books very easily and lately I've been reading about a wide range of...
over a year ago
I get bored reading management books very easily and lately I've been reading about a wide range of almost arbitrary topics. One of the lenses I tend to read through is to see different management styles in different environments.
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...
10 months ago
A session of Hextraction, a 3D printed board game.
I did it.
I made something actually useful with my 3D printer instead of just tinkering with it.
I printed Hextraction, a very cool 3D printed board game for my kids—and they love it.
Hextraction is a gamified marble run, where...
Home on Erik...
Machine, Platform, Crowd
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters.
Ok, I lied a little bit. I didn't discover it serendipitously.
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring'
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like...
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special
than those. Because iftop lets you monitor the speed of individual TCP / UDP
connections. Basically, you will be able to determine...
Odds and Ends of...
Why we need seven bins
It's time for some #binchat
6 days ago
It's time for some #binchat
Vitalik Buterin's...
A Guide to 99% Fault Tolerant Consensus
over a year ago
Electronics etc…
HP 33120A Repair - Shutting Down the Eye of Sauron
Introduction
Opening Up an HP 33120A
A Walk Through the Block Diagram
Bug Hunting
Zener...
a year ago
Introduction
Opening Up an HP 33120A
A Walk Through the Block Diagram
Bug Hunting
Zener Replacement
Staring at the Eye of Sauron
FLIR IR Imaging
To Destroy a PCB in Order to Save It
Circuit Reconstruction
Success!
Trust but Verify
Conclusion
References
Introduction
When the...
./techtipsy
Life is maintenance, maintenance is life
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things.
When I was still an inexperienced junior developer who barely survived operating in a Linux
environment and saw backend development as a black box, I was happy to get...
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
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Louwrentius
Automated install of Debian Linux based on PXE net booting
Every honest and good system administrator is continue bussy with automating
his work. For two...
over a year ago
Every honest and good system administrator is continue bussy with automating
his work. For two reasons:
Repeating the same task over and over again is friggin boring. A system
administrator has better things to do, such as drinking coffee.
Humans make mistakes, especially if...
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
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!
Applied Cartography
PSA: mess around with Keystatic
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
Louwrentius
Affordable server with server-grade hardware part II
If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic.
It is recommended to read the old post first. In this new post, I only show new...
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
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...
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
10 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
Jonas Hietala
We moved away from the city
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never...
over a year ago
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never to stay there permanently. We just moved there to study but the longterm plan, if you can have one at that stage, was always to move back to the north of Sweden where we came...
Old Vintage...
Commodore does the iPad "crush" concept right ... in 1985
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little...
6 months ago
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little weird. They should have simply done what Commodore did for the C128 — ironically, competing with the Apple IIc. Notice the emphasis on audio and sound, plus the Commodore 64 perched...
Posts on Made of...
amd64 and va_arg
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t...
over a year ago
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t support the va_arg intrinsic, used by functions to accept multiple arguments, at all on amd64. It turns out that clang and llvm-gcc, the compilers that backend to LLVM, have their own...
latest projects -...
Hand-cranked Flux Capacitor
[Concept] Control the flow of time
a year ago
[Concept] Control the flow of time
Home on Erik...
Simple sabotage for software
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...
Matt Mullenweg
Cloudflare Stories
There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s...
2 months ago
There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s incredible story about Tim Jenkin, who created a secure communication protocol for the African National Congress to overthrow the apartheid regime in South Africa. Cloudflare’s CTO,...
Jonas Hietala
An invisible Remake
What does a guy like me do when not working on a new game? Except living my life, being a coach for...
over a year ago
What does a guy like me do when not working on a new game? Except living my life, being a coach for my little brother’s hockey team and eating strawberries? The last week or so I’ve been working hard with my webpage, yes this page. If you’ve visited my site before today you’ll...
Jonas Hietala
Writing Home Assistant automations using Genservers in Elixir
I’ve been a fan of Home Assistant a while now;
it’s a great platform for home automation with its...
2 months ago
I’ve been a fan of Home Assistant a while now;
it’s a great platform for home automation with its beginner friendly and feature rich UI,
support for a ton of different devices and integrations,
and there’s a bunch of ways to create automations.
But there’s no engine for writing...
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
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...
On NYC, Tokyo and Seoul
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a...
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly
and after growing up in a rural community a few hours west of
there. My wife is South Korean and last week concluded my second trip
to the suburbs of Seoul to visit her family. We finished up that trip
with a...
computers are bad
2023-12-05 vhf omnidirectional range
The term "VHF omnidirectional range" can at first be confusing, because it
includes "range"---a...
a year ago
The term "VHF omnidirectional range" can at first be confusing, because it
includes "range"---a measurement that the technology does not provide. The
answer to this conundrum is, as is so often the case, history. The "range"
refers not to the radio equipment but to the space...
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
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...
Jonas Hietala
Bitcoin's security isn't binary
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s...
over a year ago
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s security isn’t binary. In fact security in general isn’t black and white. It’s a trade-off being secure enough for your threat model vs the cost and feasibility of your...
Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Applied Cartography
Notes on ActivityPub
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is.
Something that gives distinctly bad...
Vitalik Buterin's...
Sidechains vs Plasma vs Sharding
over a year ago
Louwrentius
Personal Security: erase your computer or phone before repair
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have...
over a year ago
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have to find some other person with greater computer knowledge to repair their computer or phone. That person will then be able to access all data stored on their computer or phone.
By...
watchTowr Labs -...
Visionaries Have Democratised Remote Network Access - Citrix Virtual Apps and Desktops...
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive...
a month ago
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive Artifact Generator). This time, it’s in Citrix’s “Virtual Apps and Desktops” offering.
This is a tech stack that enables end-users (and likely, your friendly neighbourhood...
Jonas Hietala
How I made a kick-ass cover for my self-published book
If you want to publish a book, one of the most important things to consider is the cover—after all,...
over a year ago
If you want to publish a book, one of the most important things to consider is the cover—after all, we judge the book by the cover.
And I did it the universally recommended way:
I hired a designer.
Simple, right?
But real talk; it’s not exactly that simple and I did a bunch of...
Good Enough
Thoughts On Thoughts
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our...
a year ago
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our thoughts and what we believe about them.
Or perhaps we can think of this as an intervention. This post is the circle of friends gathered to help us stop hitting ourselves in the...
Good Enough
Grassroots
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff!
As we’ve been...
Applied Cartography
Hidden settings are for cowards
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
2 weeks 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,...
computers are bad
2024-09-26 the GE switched services network
We currently find ourselves in something of a series, working our way from
private lines to...
2 months ago
We currently find ourselves in something of a series, working our way from
private lines to large
private line systems like the four-wire private-line national warning
system.
Let's continue to build on the concept of the private line into large
corporate systems.
In principle, a...
Posts on Made of...
The architecture of declarative configuration management
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing...
over a year ago
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture and internal...
Posts on Made of...
New Blog Location
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of...
over a year ago
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of scripts.mit.edu. In the process of converting everything over and setting up Wordpress I’ve decided I hate it, but hopefully I hate it less than I hate Blogger. We’ll see.
I’ve also...
./techtipsy
My experience at the k-space hackerspace hackathon
k-space is a hackerspace in Tallinn, Estonia, and they organized
a hackathon recently. Unlike in...
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized
a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no
expectations about building a business or coming up with an MVP, just come on down to the space and
start working on...
Notes on software...
A minimal distributed key-value database with Hashicorp's Raft library
When I wrote the "build a distributed PostgreSQL proof of
concept" post I first had to figure...
over a year ago
When I wrote the "build a distributed PostgreSQL proof of
concept" post I first had to figure out
how to use Hashicorp's Raft
implementation.
There weren't any examples I could find in the Hashicorp repo
itself. And the only example I could find was Philip O'Toole's
hraftd. It's...
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
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...
computers are bad
2023-11-04 nuclear safety
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on...
a year ago
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on its own, but deploying nuclear weapons as
operational military assets involves yet more challenges. Nuclear weapons must
be safe and reliable, even with the rough handling and...
Louwrentius
Is storage really that cheap?
Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build
myself a 4 TB NAS box,...
over a year ago
Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build
myself a 4 TB NAS box, which is already 50% full. However, although it is to
some degree fault-tollerant by using RAID 6, one mistake or catastrophic
hardware faillure and all data is lost.
And that's...
Matt Mullenweg
Automattic Alignment
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
Posts on Made of...
Regular Expression Search with Suffix Arrays
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had...
over a year ago
Back in January of 2012, Russ Cox posted an excellent blog post detailing how Google Code Search had worked, using a trigram index.
By that point, I’d already implemented early versions of my own livegrep source-code search engine, using a different indexing approach that I...
Vitalik Buterin's...
Degen communism: the only correct political ideology
8 months ago
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine.
I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here)
In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Bryan Braun - Blog
Unusual Git IDs
You can search Github for unusual commit IDs:
There are over 2k commits starting with...
a month ago
You can search Github for unusual commit IDs:
There are over 2k commits starting with 0000000!
While looking for commits like these, I started to become suspicious that people were intentionally modifying their commits IDs to be unusual:
A commit ID of eeeeeee, with a message...
./techtipsy
Database optimization adventures on low-end hardware
I used to work on a short-term project a while ago where the goal was to visualize some metrics that...
over a year ago
I used to work on a short-term project a while ago where the goal was to visualize some metrics that were collected from
a pretty fancy smart home setup. This data included power usage of various sections of the building, temperature
sensors, water usage levels and more. The data...
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module'
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is...
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is installed with a regular modprobe like:
modprobe w83627ehf
The result will be:
FATAL: Error inserting w83627ehf
(/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Louwrentius
Debian Linux Preseeding - an installation framework
Look Ma!
No hands!
just watching a system PXE-boot and install itself into a fully...
over a year ago
Look Ma!
No hands!
just watching a system PXE-boot and install itself into a fully operational
system is fun. PXE boot and preseeding is not enough however to accomplish
this.
By itself, preseeding only installs a basic operating system. Next, you need
to configure all sorts of...
Push to Prod
When Overwhelmed, Make a List of Questions
In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
4 months ago
In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
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
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,
somenice
Painting of Russet Lake
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the...
3 months ago
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the natural world is alive with vibrant colours and serene beauty. One of the most stunning scenes unfolds at Russet Lake, where the iconic Fissile Mountain is mirrored perfectly in the...
Applied Cartography
Notes from May
Lots of writing this month:
Why you should use Rails
A reminder that things take time
How...
6 months ago
Lots of writing this month:
Why you should use Rails
A reminder that things take time
How shadcn/ui's previews work
Why I hate that 1.01% meme
A lovely term, 'grace note'
Au revoir, invoke!
A quick check-in on 11ty
A rant/snippet for auth.js
The first edition of what will be a...
Avestura's Blog
An opinion on what's a good general-purpose programming language
What features should a programming language have to be ideal, in my opinion?
over a year ago
What features should a programming language have to be ideal, in my opinion?
Louwrentius
A 12.48 inch (1304x984) three-color e-paper display by Waveshare
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo...
over a year ago
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo of defective display here.
I'm running a solar-powered blog and I wanted to add a low-power display to show the daily solar 'harvest'1 and maybe some additional information.
So I...
Home on Erik...
Subway waiting math
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found...
over a year ago
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found that at some point, quite early, it's worth just giving up.
This isn't a proof that the subway doesn't run on time – in fact it might actually proves that the subway runs really...
Odds and Ends of...
WATCH: Were the US election polls right?
My conversation with polling guru Mark Pack
a month ago
My conversation with polling guru Mark Pack
heavymeta.org
CrowdStrike's Impact on Aviation
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity
company CrowdStrike...
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity
company CrowdStrike YOLOed a software update to millions of Windows machines. Or
as they put it:
On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike
released a sensor...
Neil Madden
SipHash-based encryption for constrained devices
I see a lot of attempts to define encryption schemes for constrained devices with short...
7 months ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Willem's Blog
Updating Snake '97
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Computer Ads from...
Salamander Software's Franklin's Tomb
My name is Diamond, Dan Diamond. I'm a private cop.
9 months ago
My name is Diamond, Dan Diamond. I'm a private cop.
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...
a month 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...
GitButler
The Birth of THE MERGE
Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our...
7 months ago
Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our community is, product feature ideas, and how much Kiril loves food. As we shifted toward the topic of conferences, the idea of hosting our own event emerged. Wouldn’t it be fun
Home on Erik...
Why I went into the mortgage industry
I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Ken Shirriff's blog
Wealth distribution in the United States
Forbes recently published the Forbes 400 List for 2024, listing the
400 richest people in the United...
2 months ago
Forbes recently published the Forbes 400 List for 2024, listing the
400 richest people in the United States.
This inspired me to
make a histogram to show the distribution of wealth in the United States.
It turns out that if you put Elon Musk on the graph,
almost the entire US...
Willem's Blog
Tablet as Tool
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and...
a year ago
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and personal experiences to help you maximise the tablet's potential and redefine your workflow.
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
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...
Willem's Blog
The Problem With Bitcoin
Some thoughts on the long term viability of Bitcoin's rising value.
a week ago
Some thoughts on the long term viability of Bitcoin's rising value.
Notes on software...
Walking through a basic Racket web service
Racket is an impressive language and ecosystem. Compared to Python,
Racket (an evolution of Scheme...
over a year ago
Racket is an impressive language and ecosystem. Compared to Python,
Racket (an evolution of Scheme R5RS is three years younger. It is
as concise and expressive as Python but with much more reasonable
syntax and semantics. Racket is also faster in many cases due in part
to:
JIT...
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Arduino Blog
A DIY weather display with dedicated outdoor sensor station
Weather stations are popular projects in the maker community because they’re useful and usually...
6 months ago
Weather stations are popular projects in the maker community because they’re useful and usually quite affordable to construct. But most that we see are really weather information displays that gather data through the internet from stations in the region. That data is fairly...
Notes on software...
Notes on running Electron
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Electronics etc…
Teardown of the TM4313 GPS Disciplined Oscillator
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313...
a year ago
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313 Schematic
Frequency or Phase Lock Loop?
OCXO Temperature
The Curious Case of the MAX6192 Voltage Reference
The Discrete Tuning DAC
GPS Module
Microcontroller instead of NMEA Serial...
computers are bad
2023-05-07 electrical characteristics of telephone lines
Let's take a break from our boring topic of regional history to focus instead
on an even more boring...
a year ago
Let's take a break from our boring topic of regional history to focus instead
on an even more boring topic: implementation details of telephone lines.
The conventional "copper pair" analog telephone line is fading away. The FCC
has begun to authorize abandonment of copper outside...
Arduino Blog
This giant animatronic LEGO minifig zombie is a delight
LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough...
4 months ago
LEGO’s minifigs are the perfect canvas for creativity, as their simple plastic forms provide enough constraint to force people to consider their art and design choices. That’s exactly the kind of pressure that Wicked Makers’ Jaimie and Jay thrive under, leading them to build this...
Computer Ads from...
UNIX Review Magazine Interviews Larry Tesler
They discuss Tesler's involvement with Xerox, Apple and office automation with Unix.
3 months ago
They discuss Tesler's involvement with Xerox, Apple and office automation with Unix.
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
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...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Matt Blewitt
Sensibly Default
There are two programming principles that I hold dear to my heart: the principle of least surprise...
2 months ago
There are two programming principles that I hold dear to my heart: the principle of least surprise and provide sensible defaults. I’ve recently been working within the GraphQL ecosystem, and the number of violations of both here has frustrated me. This will be a little bit ranty.
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
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...
Jonas Hietala
Postmortem: Jonas IceCream Stand
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it!...
over a year ago
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it! And thanks for the feedback guys, it’s always welcome.
I spent almost exactly fifty hours on this game and that’s by far the most I’ve spent on a 7day project. To be honest it’s...
Arduino Blog
Use sound to trigger your camera’s flash with this DIY device
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo...
2 months ago
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo (not too bright or too dark), you need a balance of aperture size (how much light gets in), shutter speed (how long the light gets in), and ISO (sensitivity to light at the expense of...
Christian Selig
Recreating Apple's beautiful visionOS search bar
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
Computer Ads from...
Electronic Protection Devices' Electro-Clamp line
The Underrated Virtues of Plain Vanilla
9 months ago
The Underrated Virtues of Plain Vanilla
Notes on software...
What makes a great technical blog
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely...
8 months ago
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely about non-corporate tech blogs. So this post is
too. I'll have to make another list for favorite corporate tech blogs.
In short, they:
Tackle hard and confusing topics
Show working...
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
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.
Louwrentius
Finding a good blu-ray player for Mac OS X
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare.
To play a Blu-ray movie, you have to perform these steps:
right-click on the BDMV file
choose 'show packet contents'
go to...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size....
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to
specify a stride size. The format utility will take this stride size into
account when formatting a device. The stride size is the number you get when
you divide the 'chunck' size, as specified with...
./techtipsy
How I ended up working as a software developer
I’ve officially worked as a software developer since August 2016, and by now I
have a fair share of...
4 months ago
I’ve officially worked as a software developer since August 2016, and by now I
have a fair share of stories to tell from those years. But those are stories for
another time.
Today I’d like to focus on where it all got started.
The early days
I never considered myself good with...
Vitalik Buterin's...
A Philosophy of Blockchain Validation
over a year ago
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
3. indexes
4. a...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
3. indexes
4. a database/sql driver
In this post, we'll extend gosql
to support binary expressions and very simple filtering on SELECT
results via WHERE. We'll introduce a general mechanism...
Lighthouse Blog
Updates December 08: YouTube support
a year ago
Yazin Alirhayim
The best bank in Bahrain … is Meem
Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking...
over a year ago
Yes, that’s right. The best bank in Bahrain is … Meem. This nomination will be especially shocking to those of you that read my last post that ripped the Meem app to shreds.
Criteria for ‘best bank’
My criteria for “best bank” isn’t the best user experience or customer support....
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
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.
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024
I probably shouldn’t have written down my notes on the eGPU setup I had years ago.
I’d be lying if I...
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago.
I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later.
Oops.
I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
latest projects -...
Talking Tines
[Concept] Tuning forks that talk
5 months ago
[Concept] Tuning forks that talk
Jonas Hietala
My first netrunner store championship
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more.
So this Sunday I went to...
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
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...
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
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...
Notes on software...
Metaprogramming in Zig and parsing CSS
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it....
a year ago
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it. What's the difference between
@typeInfo and @TypeOf? I ignored this aspect of Zig until a
problem came up at work where reflection
made sense.
The situation was parsing and storing...
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...
4 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,...
Computer Ads from...
Plus Post: Rockwell AIM 65
The Company Rockwell International has been around for quite a while. Willard Rockwell started the...
7 months ago
The Company Rockwell International has been around for quite a while. Willard Rockwell started the company in 1919 to sell a newly designed truck axle bearing. Over the years, Rockwell acquired businesses in many different fields, including defense, industrial electronics,...
Vitalik Buterin's...
El recurso escaso más importante es la legitimidad
over a year ago
Matt Mullenweg
My Freedom of Speech
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
10 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
Jonas Hietala
Geekhack Toxic
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be?
With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard:
Woooo
If only my GH60 could arrive some time this decade…
Home on Erik...
Blogroll
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is...
over a year ago
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny.
I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years.
Computer Ads from...
Comics from 1982/08 Commodore Computing International Mag
Time for some humor
5 months ago
Home on Erik...
In defense of false positives (why you can't fail with A/B tests)
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the...
over a year ago
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the metrics for the two groups. The group with the highest conversion rate wins, right?
Applied Cartography
Gosling’s Old Rum
Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from...
10 months ago
Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from [REDACTED], a site on which I am very prone to judging a book by its cover; every month I'll end up purchasing a bottle of something purely because it looks interesting and I can...
Posts on Made of...
CVE-2010-4258: Turning denial-of-service into privilege escalation
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different...
over a year ago
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different kernel vulnerabilities I reported recently. This post is about CVE-2010-4258, the most interesting of them, and, as Dan writes, the reason he wrote the exploit in the first place. In...
Arduino Blog
Arduino Cloud is now available in AWS Marketplace!
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
2 months ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
Good Enough
The Space Between Us
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Home on Erik...
Analyzing 50k fonts using deep neural networks
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
Home on Erik...
Fermat's principle
I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method
With Postgres 12,
released in 2019, it became possible to swap out Postgres's storage
engine.
This...
a year ago
With Postgres 12,
released in 2019, it became possible to swap out Postgres's storage
engine.
This is a feature MySQL has supported for a long time. There are at
least 8 different built-in
engines you can pick from. MyRocks, MySQL on
RocksDB, is another popular third-party...
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP...
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP connection.
UPDATE July 2011
Due to hardware problems, I was not able to achieve transfer speeds
beyond 150 MB/s. By replacing a network card with one from another
vendor (HP...
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
Vitalik Buterin's...
DAOs are not corporations: where decentralization in autonomous organizations matters
over a year ago
Willem's Blog
Measuring cholesterol levels in blood
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know...
over a year ago
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know your LDL, HDL and Triglycerides numbers with a simple test.
Lars Lofgren
Why I’m Switching Web Hosts
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple....
over a year ago
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple. This was before WP Engine was around. At the time, MediaTemple had carved out a nice niche for themselves as the premium web host. Tim Ferriss also raved about them back in the day....
Louwrentius
My experiences with DFS replication on Windows 2008 R2
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2.
I've implemented DFS replication to keep two...
Matt Mullenweg
Rhino Dehorning
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles,...
2 months ago
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles, elephants. Today wasn’t great: I witnessed a rhino shot with a tranquilizer from a helicopter, then it was held down, had its horns cut off, and then shaved down. I have some photos and...
Jonas Hietala
The current Cybershard layout
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and...
3 weeks ago
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and hand-wired.
It’s a minimalistic keyboard of 35 keys and features an integrated trackball on the right-hand side.
The keyboard layout started out as a direct copy of the T-34 keyboard...
Home on Erik...
Implicit data and collaborative filtering
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings.
While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Engineers Need Art
Building Quarter-Cab - Phase I
Lets build a simple virtual pinball controller to bring more immersion to your game.
7 months ago
Lets build a simple virtual pinball controller to bring more immersion to your game.
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
Is the time right to use an iPad as primary development platform to get some real work done?
Home on Erik...
I don't want to learn your garbage query language
This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
Willem's Blog
Climbing Mount Etna
Climbing Mount Etna, an active volcano on Sicily Italy.
over a year ago
Climbing Mount Etna, an active volcano on Sicily Italy.
Buck on Software
The Wrong Bet
The next decade in SaaS won't look like the last
over a year ago
The next decade in SaaS won't look like the last
Applied Cartography
Stripe Sessions 2024
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
Jonas Hietala
A friendly game of Twilight Imperium
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We...
over a year ago
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We were six players, most had played the third edition before. As I was quite hyped before the game, I had read up on the rules, watched a let’s play or two and listened to a podcast...
Jonas Hietala
A *
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked.
I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
Applied Cartography
Content debt
There’s a nascent trend of releasing ostensibly-private material (changelogs, public wikis,...
5 months ago
There’s a nascent trend of releasing ostensibly-private material (changelogs, public wikis, handbooks, etc.) to the public as a bit of a marketing push. This is essentially a form of debt, to the extent that you’re taking a lump-sum payment now in exchange for the implicit cost...
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation!
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions to...
Posts on Made of...
Why scons is cool
I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Home on Erik...
Optimizing for iteration speed
I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Odds and Ends of...
Four big US election takes: Yes, it was the woke stuff.
Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump...
a month ago
Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump might do, and why the polls were right
Home on Erik...
How to hire smarter than the market: a toy model
Let's consider a toy model where you're hiring for two things and that those are equally valuable....
over a year ago
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
csvbase blog
How does it know I want csv? — An HTTP trick
Forgotten parts of RFC2616
a year ago
Forgotten parts of RFC2616
Posts on Made of...
Lab Notebooking for the Software Engineer
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition...
over a year ago
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition to just documenting things after the fact. Today, I’m going to share the techniques that I’ve found useful to try to get in the habit of lab-notebooking my work, even though I...
Jonas Hietala
Dbot
So I made a small irc bot in 294 characters in code-golfing language #1: Perl.
Usage
perl...
over a year ago
So I made a small irc bot in 294 characters in code-golfing language #1: Perl.
Usage
perl Dbot
Commands
.name - Echo the bots name
.hello - Output “hello world!”
.src - Dump the source code
Code
use IO::Socket;$s=IO::Socket::INET->new("158.38.8.251:6667");sub o{print$s...
Gwern.net Newsletter
December newsletter
December 2020 gwern.net newsletter with links on AI and technology; major new site feature:...
over a year ago
December 2020 gwern.net newsletter with links on AI and technology; major new site feature: fully-generalized recursive popups.
Willem's Blog
Riding with Omata One
If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Louwrentius
How traffic shaping can dramatically improve internet responsiveness
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are...
over a year ago
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are a mid-size company, bandwidth is clearly a severe constraint. But it was not our biggest problem. Even simple web-browsing was very slow.
As I was setting up a monitoring...
Neil Madden
Making things
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Arduino Blog
Light up the holiday season, with a new Plug and Make Kit tutorial!
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make...
2 weeks ago
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make Kit, you can build an interactive LED light installation that reacts when someone walks by – perfect for spreading cheer and adding a high-tech twist to your decorations. This...
Odds and Ends of...
Odds and Ends #46: The transformation of London's skyline, a big week for nuclear, and installing...
Plus how to avoid the road pricing landmine
2 weeks ago
Plus how to avoid the road pricing landmine
Home on Erik...
Scala Data Pipelines for Music Recommendations
Chris Johnson‘s presentation from Data Day Texas:
over a year ago
Chris Johnson‘s presentation from Data Day Texas:
Jonas Hietala
Going to University
I mentioned in the last post that I’m going to the university, which might explain my lack of...
over a year ago
I mentioned in the last post that I’m going to the university, which might explain my lack of activity here and for that I’m sorry. It’s not as hard as I had imagined, and I don’t have that much in school but there’s still a lot that’s going on. For example now how to make...
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
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...
Jonas Hietala
Notifications with xmonad/irssi/urxvt
So I’ve been idling on irc for years now and I’ve been using irssi for that, which works fine. I...
over a year ago
So I’ve been idling on irc for years now and I’ve been using irssi for that, which works fine. I have not had notifications enabled, so I can see from the statusbar whenever someone messages me. As I’ve never been very active this has been fine, but now I figured it’s time to fix...
Good Enough
Our Favorite Video Games Right Now
While everyone at Good Enough is their own kind of nerd, thank you very much, as builders of the web...
a year ago
While everyone at Good Enough is their own kind of nerd, thank you very much, as builders of the web you probably expect that we also play video games. And we do! Well, collectively we do, but not to an unhealthy degree. Usually.
I asked the team to share with me what their...
Good Enough
TIL: Turbo Stream and personalised content
Hotwire and Turbo are great for very quickly and easily adding real-time updating of webpages...
a year ago
Hotwire and Turbo are great for very quickly and easily adding real-time updating of webpages without requiring the browser to reload the whole page.
But if the information you want to stream back from your server to the client has anything specific to the current user — like...
Vitalik Buterin's...
A Note On Charity Through Marginal Price Discrimination
over a year ago
computers are bad
2024-08-31 ipmi
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home,...
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise
cloud to its new home, here in New Mexico. One of the steps in this process is,
of course, purchasing a new server... the current Big Iron is getting rather
old (probably about a decade!) and here in...
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
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...
watchTowr Labs -...
QNAP QTS - QNAPping At The Wheel (CVE-2024-27130 and friends)
Infosec is, at it’s heart, all about that data. Obtaining access to it (or disrupting access to it)...
7 months ago
Infosec is, at it’s heart, all about that data. Obtaining access to it (or disrupting access to it) is in every ransomware gang and APT group’s top-10 to-do-list items, and so it makes sense that our research voyage would, at some point, cross paths with products
Good Enough
Strong Prototypes, Weakly Held
Excuse any obtuse thoughts that make their way into this writing. I sat down to type with My Life in...
a year ago
Excuse any obtuse thoughts that make their way into this writing. I sat down to type with My Life in the Bush of Ghosts by Brian Eno and David Byrne as my soundtrack. This is an album I've never listened to before, and apparently I'm supposed to love it or hate it. Mostly the...
Vitalik Buterin's...
[Mirror] Bir Proof of Stake Tasarım Felsefesi
over a year ago
Vitalik Buterin's...
Updating my blog: a quick GPT chatbot coding experiment
over a year ago
latest projects -...
Simsim Pendant
[Concept] Mercurial Medallion
9 months ago
[Concept] Mercurial Medallion
Home on Erik...
NoDoc
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about...
over a year ago
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about abolishing documentation. Or NoDoc, as I'm going to call this movement. This was meant to be mostly a thought experiment, but I don't see it as complete madness.
Push to Prod
4 Ways To Say No, Elegantly and Effectively
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I...
3 months ago
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I evolved to navigate these situations more fluidly.
Applied Cartography
Why can't you just...?
Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long,...
7 months ago
Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long, detailed explanation of why shipping this sort of thing is hard:
Designing a consent experience for the enterprise admin and enterprise end user
Creating a special "read only" object...
Arduino Blog
Coolest controllers ever? Icy gamepads melt in users’ hands
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major...
5 months ago
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major exception: stick drift. That’s a reliability issue that eventually affects a large percentage of Joy-Cons, to the frustration of gamers. But what if that was intentional and...
Willem's Blog
iPad Pro next to my primary machine
Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
Notes on software...
The world of PostgreSQL wire compatibility
This is an external post of mine. Click
here
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over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Applied Cartography
Projects are things with steps
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked...
a month ago
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked so frequently that I decided to write about it.
Why is “Get mom a birthday present” a project and not a task?
GTD is very orthodox in what a “project” is: it’s anything that:
you...
seangoedecke.com RSS...
What kind of work I want
This article is to help recruiters, hiring managers and myself have a better idea of the kind of...
over a year ago
This article is to help recruiters, hiring managers and myself have a better idea of the kind of places I’d like to work. The short version…
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...
8 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...
Matt Blewitt
Logical Replication Guardrails
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few...
6 months ago
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few thoughts on how to implement some guardrails to make things easier on operators.
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
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?
Good Enough
TIL: Tapback Keyboard Shortcuts
If you use Mac, and you use Messages on your Mac, you will probably know that in the not-too-distant...
a year ago
If you use Mac, and you use Messages on your Mac, you will probably know that in the not-too-distant past, simple reactions to messages were added: what Apple calls Tapbacks.
These are great for a quick way to say yes (or no, or WTF!?!), but they are a bit of a pain to actually...
Notes on software...
Container scheduling strategies for integration testing 14 different databases in Github Actions
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over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Old Vintage...
Ward Christensen dies
There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
Notes on software...
Responsibility and ownership
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn...
over a year ago
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn over ownership, don't expect folks to
take responsibility. When you grant ownership and set expectations,
you'll be astounded what folks will accomplish without you.
I am astounded.
Arduino Blog
Speed up your project’s compile time by up to 50% in Arduino Cloud!
At Arduino, we know how precious your time is when you’re building your next big project or...
a week ago
At Arduino, we know how precious your time is when you’re building your next big project or experimenting with new ideas. That’s why we’re thrilled to introduce a game-changing update to the Cloud Editor Builder — the engine behind compiling your sketches in Arduino Cloud. This...
Style over Substance
Shooting the Ligero 3D-printed Mamiya Press camera by MaxWanderlush
Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the...
over a year ago
Last year I started shooting my first 3D-printed camera, a Goodman Zone. It was soon followed by the panoramic pinhole Goodman Scura and the MPWide, a modified Fuji Instax Wide 300. The MPWide is a mod by the talented Mario, otherwise known as MaxWanderlush. He has been releasing...
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...
4 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...
Willem's Blog
Tudor Black Bay 36 long-term review
For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
Applied Cartography
Applied Cartography × People & Blogs
There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that.
To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Louwrentius
Getting the Sitecom AC600 Wi-Fi adapter running on Linux
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a...
over a year ago
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a Raspberry Pi broke as I dropped it on the floor, so I had to replace it. I just went to a local shop and bought the Sitecom AC600 adapter as that's what they had available (with...
Construction Physics
Will the China Cycle Come for Airbus and Boeing?
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
a month ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Good Enough
Issue 0: Collector's Item
1. Oh, hello.
We didn’t see you there. How are you doing?
You’ve somehow ended up with a collector’s...
over a year ago
1. Oh, hello.
We didn’t see you there. How are you doing?
You’ve somehow ended up with a collector’s item in your hands: the very first Good Enough Newsletter. This is the beginning of what we (Barry Hess & Shawn Liu) hope to be a years-long series of communiqués with our rabid...
Abort Retry Fail
The History of Windows 98
Echoes of an Explosion
a year ago
Notes on software...
In response to a frontend developer asking about database development
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a year ago
This is an external post of mine. Click
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if you are not redirected.
Computer Ads from...
Apple IIe and IIc Design Manager Peter Quinn Interviewed by BYTE's Gregg Williams
A behind-the-scenes look at the development of the Apple IIe and IIc.
9 months ago
A behind-the-scenes look at the development of the Apple IIe and IIc.
csvbase blog
My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
Jonas Hietala
Customizing Neovim
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing...
7 months ago
Scripting is configuration. Configuration is scripting.
TJ DeVries A different take on editing code
I’ve been using Neovim since it forked from Vim almost 8 years ago, and I used Vim many years before that.
I feel quite comfortable with Neovim, and I’ve gone down the...
Odds and Ends of...
Odds and Ends #45: Deliverism, blasphemy and selfies from space
Plus the best Minecraft-themed political deepfake you'll see today
2 weeks ago
Plus the best Minecraft-themed political deepfake you'll see today
computers are bad
2023-04-10 solving problems with chatgpt
One of the foundational goals of computer technology, at least as understood by
popular culture, is...
a year ago
One of the foundational goals of computer technology, at least as understood by
popular culture, is to automate away our jobs. When your job is (put simply) to
get computers to work correctly, there's sort of an irony to this view of
things. Still, just within the span of my...
somenice
Generative 3D Modeling
Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as...
5 days ago
Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as reviews had been quite favourable with results creating 3D models with “AI”. The website describes the technology as unified Structured LATent (SLAT) representation and there is a...
./techtipsy
They make USB-C cables with displays now!
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted...
6 months ago
I’ve reached a point in my setup where most of the devices that I use are
based around the coveted USB-C port. This meant that I had a valid reason to get
a few extra because I didn’t yet have a stockpile of good USB-C cables.
That’s when I found out that there exist cables that...
Louwrentius
Achieving 220 MB/s network file transfers using Linux Bonding
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers....
over a year ago
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers. My solution is to use multiple gigabit network cards and use Linux interface bonding to create virtual 2 gigabit network interfaces. The solution is to use mode 0 or round robin...
Birchtree
Yet more YouTube videos I've enjoyed recently
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair...
a week ago
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair will be very compelling.
I'm not a big fan of most Apple TV+ shows, but Severance was lovely and I can't wait
Arduino Blog
It’s silver, it’s green, it’s the Batteryrunner! An Arduino-powered, fully custom electric car
Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully...
3 weeks ago
Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully electric, Arduino-powered car that’s as innovative as it is sustainable. Called the Batteryrunner, this vehicle is designed with a focus on environmental impact, simplicity, and custom...
Posts on Made of...
Automounting sshfs
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
Notes on software...
Deploying FreeBSD on Linode unattended in minutes
I became a FreeBSD user over 2 years ago when I wanted to see what all
the fuss was about. I swapped...
over a year ago
I became a FreeBSD user over 2 years ago when I wanted to see what all
the fuss was about. I swapped my y410p dual-booting Windows / Ubuntu
with FreeBSD running Gnome 3. I learned a lot during the transition
and came to appreciate FreeBSD as a user. I soon began running...
Willem's Blog
Influencing purchase behaviour
For my work I am continuously looking into scientific sources to improve e-commerce performance,...
over a year ago
For my work I am continuously looking into scientific sources to improve e-commerce performance, conversion rates and online revenue. Use this useful report to apply behavioural sciences principles to your advantage.
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Matt Blewitt
Shunn
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
6 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
Christian Selig
Autonomous Standing Desk and Chair Review
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair...
a year ago
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair Pro chairs in exchange for posting about them on Twitter, and I wanted to cover them in more detail on my blog as well so I could give my full thoughts on them for anyone in the...
Louwrentius
Achieving 2.3 GB/s with 16 x 4 TB drives
I'm in the process of building a new storage server to replace my 18 TB NAS.
The server is almost...
over a year ago
I'm in the process of building a new storage server to replace my 18 TB NAS.
The server is almost finished, it's now down to adding disk drives. I'm using the HGST 4 TB 7200 RPM drive for this build (SKU 0S03356) (review).
I have not bought all drives at once, but slowly adding...
Notes on software...
Checking linearizability in Go
You want to check for strict consistency
(linearizability)
for your project but you don't want to...
a month ago
You want to check for strict consistency
(linearizability)
for your project but you don't want to have to deal with the
JVM. Porcupine,
used by a number of real-world systems like etcd and TiDB, has you
covered!
Importantly, neither Jepsen projects nor Porcupine can...
./techtipsy
How I fixed one hardware issue with another one
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac
motherboard that used to run fine, but ever...
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac
motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue:
whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
Willem's Blog
Fietselfstedentocht 2017
Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Cycling the 235KM long Fietselfstedentocht through Friesland
Notes on software...
How to recommend books, or, stop recommending SICP
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance...
over a year ago
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance for bad writing and bad editing. I write
this post both to discourage thoughtless recommendations and to
encourage the receivers of bad recommendations.
For software developers,...
Jonas Hietala
August theme: Bare Minimum
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next...
over a year ago
This time I’ll be following my inspiring site and declare Bare Minimum as the theme for my next game. This could really be anything, from graphics to user interaction… But I’ve got an idea. It’ll be a real challange for me to make but hopefully I’ll have a game in a few weeks...
Jonas Hietala
I'm writing a book: Why Cryptocurrencies?
I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I...
over a year ago
I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I complete them. It’s available to read online for free. I’ve only uploaded the introductory parts but I’ve got a bunch more planned.
Why write a book you ask? Well, why not?
I...
Computer Ads from...
Suture Software's Bludgeons 'n' Braggarts
We very simply give you what you've been asking for -- we give you BLOOD
9 months ago
We very simply give you what you've been asking for -- we give you BLOOD
Louwrentius
The 'hidden' cost of using ZFS for your home NAS
Introduction
Update December 2023:
In June, it was announced that iXsystems would sponsor...
over a year ago
Introduction
Update December 2023:
In June, it was announced that iXsystems would sponsor implementing the VDEV expansion feature. A new pr has been created for this effort. The feature was merged into the code base, but may not be available to the general public before the end...
Electronics etc…
Analyzing the Monoprice Blackbird HDCP 2.2 to 1.4 Down Converter
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper:...
a year ago
Introduction
Some Words about HDCP
Inside the Monoprice Blackbird 4K Pro
The Test
Digging Deeper: UART Transactions
Decoding HDCP I2C Transactions
The Legality of It All
References
Footnotes
Introduction
I got my hands on a
Monoprice Blackbird 4K Pro HDCP 2.2 to 1.4...
Jonas Hietala
2011 in Review
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here.
2011 Geek...
over a year ago
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here.
2011 Geek Achievements
Wrote three games this year:
My Minions
Grand Thief Arto
Sat-E
Bought a new computer!
Bought a mechanical keyboard.
Bought custom Starcraft 2 keycaps for the...
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