Jonas Hietala
Coconut Cauliflower Curry Mash
It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with,...
over a year ago
It’s time for lesson 3. I made the mistake of not planning for something to augment the mash with, but a simple salad had to do:
It was okay. Girlfriend gave it 5/10 and I gave it a 6/10, a higher rating would be possible if there was something else to eat it with.
Willem's Blog
Talking tablets: what makes a great tablet?
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
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...
Posts on Made of...
How I Write Tests
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
axio.ms
Classical virtualisation rules applied to RISC-style atomics
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable...
over a year ago
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable Third Generation Architectures”, giving a set of characteristics for correct full-machine virtualisation.
Today, these characteristics remain very useful. Computer architects will...
computers are bad
2024-10-19 land art and isolation
Prescript: I originally started writing this with the intent to send it out to
my supporter's...
2 months ago
Prescript: I originally started writing this with the intent to send it out to
my supporter's newsletter, EYES ONLY, but it
got to be long and took basically all day so I feel like it deserves wider
circulation. You will have to tolerate that it begins in the more
conversational...
Matt Mullenweg
Welcoming Harper
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah...
a month ago
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah Potter and Harper to join Automattic. Harper is a super-fast (way faster than LanguageTool and Grammarly), local English grammar checker. The technology is nascent, but I’m very...
Vitalik Buterin's...
Sidechains vs Plasma vs Sharding
over a year ago
./techtipsy
Stupid project ideas: the War Machine
LinusTechTips has some pretty great videos about building
insane PC and server setups, such...
over a year ago
LinusTechTips has some pretty great videos about building
insane PC and server setups, such as:
unboxing and deploying petabytes of storage
7 gamers, 1 CPU
building sleeper PC-s
testing sketchy CPU-s
opening up a 100TB SSD
I have the ideas, but not the budget of LinusTechTips, so...
Neil Madden
Is Datalog a good language for authorization?
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence...
over a year ago
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence in interest in recent years. In particular, several recent approaches to authorization (working out who can do what) have used Datalog as the logical basis for access control...
Jonas Hietala
Postmortem: MenuCity
Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game.
Let’s start...
Odds and Ends of...
We need more than Westminster reporters to understand government
Lobby correspondent hegemony is bad.
a week ago
Lobby correspondent hegemony is bad.
Jonas Hietala
10 Games in 10 Languages
For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Simply Explained
Building a killer NAS with an old Rackable Server
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts,...
over a year ago
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts, taking notes, coding projects, and making videos. I'm storing all these files on Google Drive, which has been very reliable but also a bit risky. What if Google closes my account?...
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...
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?
Home on Erik...
Slides from NYC Machine Learning talk
Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of...
over a year ago
Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of context (b) Slideshare seem to have problem converting some of the stuff.
Collaborative filtering at Spotify from Erik Bernhardsson
Willem's Blog
Abandoning my own tablet OS
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro...
over a year ago
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
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...
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
Willem's Blog
How to use rsync to make backups
In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
Louwrentius
Neato XV-15 / XV-11 Robotic Vacuum cleaner review
Update 18 February 2012
There is one problem. When the robot is not connected to the charger, the...
over a year ago
Update 18 February 2012
There is one problem. When the robot is not connected to the charger, the batteries are depleted very fast. Even if the batteries are not entirely depleted and the robot can still display the menu, the clock loses it's time. Every time the robot gets a too...
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.
Posts on Made of...
Two kinds of testing
While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Arduino Blog
This machine automatically creates chain art
Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
Home on Erik...
My favorite management failures
For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Posts on Made of...
Some notes on CVE-2010-3081 exploitability
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity...
over a year ago
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time.
While investigating...
Vitalik Buterin's...
Gitcoin Grants Round 9: The Next Phase of Growth
over a year ago
Louwrentius
Benchmarking a 1.44 MB floppy drive
I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its...
over a year ago
I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its random I/O performance. I have no real reason for doing this. I just thought it was funny.
I've run a benchmark against the floppy drives for different queue depths. The results are...
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.
Posts on Made of...
Tracking down a memory leak in Ruby's EventMachine
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services....
over a year ago
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services. Over the last several months, we’ve known that one such service suffered from a gradual memory leak, that would cause its memory usage to gradually balloon from a normal ~50MB to...
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...
Willem's Blog
Beast of the Green Hell
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
over a year ago
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
Matt Mullenweg
Inc Hit Piece
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
3 days ago
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a feature piece I was excited because though Inc wasn’t a magazine I have read much since I was a teenager, David seemed like a legit journalist who usually writes for better publications...
axio.ms
Internet of kitchen lighting, with OSC
This project was completed in June 2015. Wow, is it 2017 already?
In this post, I’d like to say...
over a year ago
This project was completed in June 2015. Wow, is it 2017 already?
In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
Old Vintage...
Adding a cooling fan to the Commodore 128DCR
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a...
a year ago
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a hot, horrid summer in Floodgap Very Sub-Orbital Headquarters and I was somewhat concerned about the heat in the house computer lab even with the A/C cranked up to "Vegas weekend for...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and...
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
a month ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Willem's Blog
Flying in a C47-A (DC-3) classic plane
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received,...
over a year ago
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received, experiencing aviation history unlike anything else!
Birchtree
Everything is a reaction, nothing is forever, and everything comes back (members post)
Why nothing stays popular forever.
2 weeks ago
Why nothing stays popular forever.
Good Enough
TIL: Merge nested attributes in Rails permit params
I am working on a new product that's a bit more complicated than our prior releases.
Getting...
a year ago
I am working on a new product that's a bit more complicated than our prior releases.
Getting refamiliarized with nested parameters in Rails has been interesting.
In this case imagine I have a discussion that, when creating it I also want to create the first comment.
The...
Louwrentius
Monitoring HP MSA P2000 G3 I/O latency with Nagios
At work we have a couple of HP MSA P2000 G3 SANs. These are entry-level SANs that still seem to have...
over a year ago
At work we have a couple of HP MSA P2000 G3 SANs. These are entry-level SANs that still seem to have almost all features you might want from a SAN, except for official SSD-support.
It seems that the new MSA 2040 adds support for SSDs and also provides 4 GB cache per controller...
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E)
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Good Enough
How We Built Quack (Beta)
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any...
a year ago
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any Markdown text. This software is completely front-end based, and for me personally it was a bit of a challenging puzzle to implement. Thankfully we have genius hackers like Arun...
Good Enough
Let's talk about conversations
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've...
9 months ago
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've been thinking about conversations.
We're a small group making fun software for people, and we like to have conversations with those people; the lovely folks who like our take on...
detreville
🎼This Is the Worst Trip I’ve Ever Been On 🎶
(A Lengthy Vacation Post-Mortem)
7 months ago
(A Lengthy Vacation Post-Mortem)
Jonas Hietala
Soda
These quotes are from hacker news and I found them all too funny.
It’s hard for me to understand the...
over a year ago
These quotes are from hacker news and I found them all too funny.
It’s hard for me to understand the whole soda phenomenon in Canada and the US. Is it as addictive as cigarettes? Does it make you crave for more? Or it simply tastes so good that you can’t get enough of it? Why not...
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
Jonas Hietala
Focusing Attention: Drawing
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
Applied Cartography
Improving Django's default pagination performance
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
4 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can.
The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
Push to Prod
Comprehension of Concurrency is a Lifelong Journey
Accept that your understanding is imperfect. There is comfort in letting go.
5 months ago
Accept that your understanding is imperfect. There is comfort in letting go.
Home on Erik...
Luigi conquering the world
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself...
over a year ago
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself a Luigi costume a month in advance. Only to realize I was going to be out of town the whole weekend.
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Posts on Made of...
Exploiting misuse of Python's "pickle"
If you program in Python, you’re probably familiar with the pickle serialization library, which...
over a year ago
If you program in Python, you’re probably familiar with the pickle serialization library, which provides for efficient binary serialization and loading of Python datatypes. Hopefully, you’re also familiar with the warning printed prominently near the start of pickle’s...
Notes on software...
Implementing zip archiving in Golang: unzipping
All code for this post is available on Github.
Let's take a look at how zip files work. Take a small...
over a year ago
All code for this post is available on Github.
Let's take a look at how zip files work. Take a small file for example:
$ cat hello.text
Hello!
Let's zip it up.
$ zip test.zip hello.text
adding: hello.text (stored 0%)
$ ls -lah test.zip
-rw-r--r-- 1 phil phil 177 Nov 23 23:04...
Louwrentius
Linux Iptables Firewall Script released on Google code
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall...
over a year ago
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall within minutes. It is easy to use, yet very powerful. It uses Iptables and even improves upon some limitations of Iptables.
Every person who has to maintain some kind of...
Jonas Hietala
Ludum Dare 22 Timelapse
Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E.
https://www.youtube.com/watch?v=eoKDyhxCVm0
This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Jonas Hietala
Doing some online Personality tests
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity.
The Braverman Test
Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Jonas Hietala
Sat-E
So I entered Ludum Dare 22 this weekend as a preamble for tomorrow’s linear algebra exam. The theme...
over a year ago
So I entered Ludum Dare 22 this weekend as a preamble for tomorrow’s linear algebra exam. The theme this time around was Alone and the game I came up with is about a lonely satellite in space, kinda like Wall-E.
Sat-E
Instructions
Collect junk and other items for you to buy...
Vitalik Buterin's...
STARKs, Part I: Proofs with Polynomials
over a year ago
Abort Retry Fail
The History of Windows 3
Windows becomes competitive
a year ago
Windows becomes competitive
seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
Lars Lofgren
CNN and USA Today Have Fake Websites, I Believe Forbes Marketplace Runs Them
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had...
2 months ago
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had agreements with CNN and USA Today? And that Forbes Marketplace was stuffing those sites full of affiliate content just like it is with Forbes? And what if Forbes Marketplace went to...
Abort Retry Fail
The History of Windows NT 4
Taking the Server Market
a year ago
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...
Louwrentius
Cannot access Windows guest within VMware Fusion when running vsphere client
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host.
The trouble is that both ESXi...
Louwrentius
Performance monitoring using dstat
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics
about what is...
over a year ago
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics
about what is currently happening on your Linux box.
Dstat allows you to monitor the system load, disk troughput, disk io, network
bandwith, and many more items.
Dstat is so valuable because it...
Jonas Hietala
Robot Project Start
So it has begun, the long road until christmas when we’re supposed to have a working warrior robot....
over a year ago
So it has begun, the long road until christmas when we’re supposed to have a working warrior robot. We’re gonna do battle with infrared lasers instead of axes but it might be fun anyway. Luckily for me I’m responsible for software and nothing harder than that! w00p!
We could...
./techtipsy
Quest towards energy efficiency part 1: the water heater
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living
arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar
panels, utilizes Home Assistant for automation, supports multiple...
Nabeel S. Qureshi
Reflections on Palantir
A retrospective of an eight-year stint.
2 months ago
A retrospective of an eight-year stint.
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...
Posts on Made of...
A Go/C Polyglot
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
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...
Vitalik Buterin's...
Hard Problems in Cryptocurrency: Five Years Later
over a year ago
Louwrentius
Experiences running ZFS on Ubuntu Linux 12.04
I really like ZFS because with current data sets, I do believe that data corruption may start...
over a year ago
I really like ZFS because with current data sets, I do believe that data corruption may start becoming an issue. The thing is that the license under which ZFS is released does not permit it to be used in the Linux kernel. That's quite unfortunate, but there is hope. There is a...
Arduino Blog
Discover #Virgil: history comes to life with Arduino
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino...
2 months ago
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino technology with a passion for history, creating a groundbreaking interactive experience for museums. Using Arduino’s versatile and scalable ecosystem, #Virgil operates completely...
Home on Erik...
MLConf 2014
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a...
over a year ago
Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself).
Here are my slides:
Home on Erik...
Antipodes
I was playing around with D3 last night and built a silly visualization of antipodes and how our...
over a year ago
I was playing around with D3 last night and built a silly visualization of antipodes and how our intuitive understanding of the world sometimes doesn't make sense. Check out the visualization at bl.ocks.org!
Basically the idea is if you fly from Beijing to Buenos Aires then you...
Jonas Hietala
Why is my file so huge?
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file.
It was 14,6mb!!
Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
Home on Erik...
Are data sets the new server rooms?
This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a...
over a year ago
This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a ton of money to go get really proprietary awesome data as a competitive moat. Because once you have the data, you can build a better product, and no one can copy it (at least not...
Jonas Hietala
Habits to start
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
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...
watchTowr Labs -...
Where There’s Smoke, There’s Fire - Mitel MiCollab CVE-2024-35286, CVE-2024-41713 And An 0day
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too.
We can't...
2 weeks ago
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too.
We can't overstate the consequences of an attacker crossing the boundary from the 'computer system' to the 'telephone system'. We've seen attackers realise this in 2024,
Willem's Blog
Building the blog... in style!
Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
Find out if it is possible to turn a computer from the 90s into a modern development machine.
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...
Home on Erik...
Welcome Echo Nest!
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been...
over a year ago
In case you missed it, we just acquired a company called Echo Nest in Boston. These people have been obsessed with understanding music for the past 8 years since it was founded by Brian Whitman and Tristan Jehan out of MIT Medialab.
Jonas Hietala
Building the GH60
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share.
The hardware
Several years ago I joined the geekhack forum and I joined in a few group...
Home on Erik...
What is the right level of specialization? For data teams and anyone else.
This isn't as much of a blog post as an elaboration of a tweet I posted the other day:
I think this...
over a year ago
This isn't as much of a blog post as an elaboration of a tweet I posted the other day:
I think this specialization of data teams into 99 different roles (data scientist, data engineer, analytics engineer, ML engineer etc) is generally a bad thing driven by the fact that tools are...
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
./techtipsy
The IPv6 situation on Docker is good now!
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now!
I’ve recently...
2 days ago
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now!
I’ve recently started reworking my home server setup to be more IPv6 compatible, and as part of that I learned that
during
the summer of 2024 Docker shipped an update that eliminated a
lot of the...
Louwrentius
Linode hacked: thoughts about cloud security
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of...
over a year ago
I bought a Linode VPS for private usage just after the report that Linode had reset all passwords of existing users regarding the Linode management console.
Resetting passwords is not something you do when under a simple attack such as a DDOS attack. Such a measure is only taken...
Notes on software...
Writing a minimal Lua implementation with a virtual machine from scratch in Rust
By the end of this guide we'll have a minimal, working implementation
of a small part of Lua from...
over a year ago
By the end of this guide we'll have a minimal, working implementation
of a small part of Lua from scratch. It will be able to run the
following program (among others):
function fib(n)
if n < 2 then
return n;
end
local n1 = fib(n-1);
local n2 = fib(n-2);
...
Jonas Hietala
Rewriting my blog in Rust for fun and profit
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far.
But all good...
Home on Erik...
Data architecture vs backend architecture
A modern tech stack typically involves at least a frontend and backend but relatively quickly also...
over a year ago
A modern tech stack typically involves at least a frontend and backend but relatively quickly also grows to include a data platform. This typically grows out of the need for ad-hoc analysis and reporting but possibly evolves into a whole oil refinery of cronjobs, dashboards, bulk...
Engineers Need Art
Soft Dorothy Software — Shareware Projects
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
3 months ago
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
Jonas Hietala
OP_RETURN based tokens are fundamentally flawed
Two new Bitcoin Cash token solutions have recently been suggested:
Simple Ledger Protocol: A token...
over a year ago
Two new Bitcoin Cash token solutions have recently been suggested:
Simple Ledger Protocol: A token system for Bitcoin Cash
Introducing Colored Coins: a Bitcoin Cash token implementation
Both are improvements over Tokeda as they allow permissionless transfers. However all commit...
Engineers Need Art
Offline Advocate
Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of...
a month ago
Digital hoarding as a check against the ephemeral nature of the internet ... and maybe some peace of mind.
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
./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...
Notes on software...
HTML event handler attributes: down the rabbit hole
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Notes on software...
First month on a database team
A little over a month ago, I joined EnterpriseDB on a
distributed Postgres product
(PGD). The...
9 months ago
A little over a month ago, I joined EnterpriseDB on a
distributed Postgres product
(PGD). The process of onboarding
myself has been pretty similar at each company in the last decade,
though I think I've gotten better at it. The process is of course
influenced by the team, and my...
Louwrentius
Shunit2, unit testing for shell scripts
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts...
over a year ago
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts instead of using a proper scripting language such as
Python or Ruby. No I am deliberately not mentioning Perl here.
Anyway, testing is always an issue. With PPSS, I encountered many...
Gwern.net Newsletter
May Gwern.net Newsletter
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Louwrentius
HP Proliant Microserver N40L is a great NAS or Router
Update 2012-12-11: It seems that a new and faster version is on the horizon.
Update 2012-12-21:...
over a year ago
Update 2012-12-11: It seems that a new and faster version is on the horizon.
Update 2012-12-21: Yes, the new model G7 N54L is out.
Some products seem almost too good to be true and I think the HP Proliant Microserver N40L is one of them. If you are into the market for a very...
lcamtuf’s thing
Dispatches from the farm upstate
Middle-aged computer expert opts to escape civilization, offers dubious life advice.
4 months ago
Middle-aged computer expert opts to escape civilization, offers dubious life advice.
Notes on software...
Container scheduling strategies for integration testing 14 different databases in Github Actions
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.
Neil Madden
Multiple input MACs
When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Home on Erik...
σ-driven project management: when is the optimal time to give up?
Hi! It's your friendly project management theorician. You might remember me from blog posts such as...
over a year ago
Hi! It's your friendly project management theorician. You might remember me from blog posts such as Why software projects take longer than you think, which is a blog post I wrote a long time ago positing that software projects completion time follow a log-normal distribution.
Jonas Hietala
I Made It!
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
4 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
Applied Cartography
Are monopolies bad, actually?
One of the more interesting theses advanced by Zero to One [1] is that monopolies are good to the...
9 months ago
One of the more interesting theses advanced by Zero to One [1] is that monopolies are good to the extent that they afford companies the agency and comfort to engage in long-term activities:
Monopolists can think about things other than making money; non-monopolists can’t. In...
Applied Cartography
The taste of beer
Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity.
There’s a...
6 months ago
Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity.
There’s a relatively famous line from Bezos, circulated first at YC in ’08 and then more recently by the folks at Acquired (a great pod!):
Jeff uses this analogy for AWS. He talks about...
Christian Selig
Qi2 is kinda underwhelming
Using MagSafe for portable battery packs has so many niceties versus Qi1:
Increased communication...
8 months ago
Using MagSafe for portable battery packs has so many niceties versus Qi1:
Increased communication with the device, allowing for better efficiency due to better thermal management and charging
Easily view the charge percentage of the external battery when first attaching it, and...
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...
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...
Posts on Made of...
autocutsel
As most of you probably know, X has several different mechanisms for copy-paste, used by different...
over a year ago
As most of you probably know, X has several different mechanisms for copy-paste, used by different applications in different ways. I know some people who use them deliberately, juggling two pieces of text in different clipboards at once, but for me, it’s always just been...
Arduino Blog
The end of Mbed marks a new beginning for Arduino
As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially...
5 months ago
As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially destined to reach end of life in July 2026, and therefore will no longer be maintained. The news has sent ripples through the embedded development community, particularly affecting...
Arduino Blog
Meet Mr. Wallplate, an animatronic wall plate that speaks to you
Interactive robots always bring an element of intrigue, and even more so when they feature unusual...
7 months ago
Interactive robots always bring an element of intrigue, and even more so when they feature unusual parts and techniques to perform their actions. Mr. Wallplate, affectionately named by Tony K on Instructables, is one such robot that is contained within an electrical wall plate...
Good Enough
TIL: Listen for JavaScript events only once!
A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
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
2024-04-26 microsoft at work
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to...
8 months ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't
pay me enough to apologize, but I do feel a little bad. Part of it is just that
I've been busy, with work and travel and events. Part of it is that I've
embarked on a couple of writing projects only to...
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Louwrentius
HP Procurve "auto DoS" feature causing network problems
A feature on more recent HP Procurve models (18xx series, such as 1810G etc.)
is called "Auto DoS"....
over a year ago
A feature on more recent HP Procurve models (18xx series, such as 1810G etc.)
is called "Auto DoS". You can find it in the section "Security" and then
"Advanced security".
If you enable the Auto DoS feature, traffic is blocked based on one of these
conditions:
the source port...
Jonas Hietala
Let's build a VORON: More mods
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and...
9 months ago
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and personalize it.
There a tons of mods you can do, and while I’ve done a few there are lots more that I’d like to do some day.
It’s a wonderful feeling to augment the printer with...
Louwrentius
PPSS version 2.30 now operates asynchronous
If you background a bash or shell process, how do you determine if it has
finished? Since inter...
over a year ago
If you background a bash or shell process, how do you determine if it has
finished? Since inter process communication is not possible using shell
scripts, people often refer to while loops or other polling mechanisms to
determine if some process has stopped.
However, the one...
Jonas Hietala
Calling closures in a Vec
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs:...
over a year ago
In rust one might want to have a list of closures, for example as a list of callbacks.
let mut fs: Vec<||> = Vec::new();
fs.push(|| { println!("imma firing my lazer"); });
for f in fs.iter() {
f(); // error: expected function but found `&||`
};
Maybe if we borrow...
Simply Explained
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux
Many devices in my home have become "smart" over the last couple of months, with one big exception:...
over a year ago
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
Louwrentius
'Zabbix Security: client-server communication seems insecure'
Zabbix is a populair tool for monitoring servers, services and network
equipment. For monitoring...
over a year ago
Zabbix is a populair tool for monitoring servers, services and network
equipment. For monitoring hosts, Zabbix provides an agent that can be
installed on the hosts that must be monitored.
Based on the supplied documentation and some remarks on the internets,
the 'security' of...
watchTowr Labs -...
“To live is to fight, to fight is to live! - IBM ODM Remote Code Execution
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but...
10 months ago
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but there is one that we have not mentioned before, that is - quite frankly - the heavy-weight champion of the world in terms of applications for large enterprises. With over a hundred
Louwrentius
Compiling Ceph on the Raspberry Pi 3B+ (armhf) using Clang/LLVM
UPDATE 2019 / 2020
There are official ARM64 binaries of Ceph that you can run on a 64-bit version of...
over a year ago
UPDATE 2019 / 2020
There are official ARM64 binaries of Ceph that you can run on a 64-bit version of Ubuntu 18.04.
Important: I consider this page obsolete. I will keep it up for transparency's sake
Introduction
In this blog post I'll show you how to compile Ceph Luminous for...
computers are bad
2023-02-17 something up there pt II
As we discussed previously,
the search for UAP is often contextualized in terms of the events of...
a year ago
As we discussed previously,
the search for UAP is often contextualized in terms of the events of 2017:
the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow
and Tom DeLonge. While widely publicized, these programs seem to have lead to
very little. I...
Willem's Blog
Using the reMarkable paper tablet
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
3 days ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
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...
Home on Erik...
Conversion rates – you are (most likely) computing them wrong
How hard can it be to compute conversion rate? Take the total number of users that converted and...
over a year ago
How hard can it be to compute conversion rate? Take the total number of users that converted and divide them with the total number of users. Done. Except… it's a lot more complicated when you have any sort of significant time lag.
computers are bad
2024-05-15 catalina connections
Some things have been made nearly impossible to search for. Say, for example,
the long-running...
7 months ago
Some things have been made nearly impossible to search for. Say, for example,
the long-running partnership between Epson and Catalina: a query that will
return pages upon pages of people trying to use Epson printers with an old
version of MacOS.
When you think of a point of sale...
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...
computers are bad
2024-01-06 usb on the go
USB, the Universal Serial Bus, was first released in 1996. It did not achieve
widespread adoption...
11 months ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve
widespread adoption until some years later; for most of the '90s RS-232-ish
serial and its
awkward sibling the parallel port
were the norm for external peripheral. It's sort of surprising that USB...
./techtipsy
I tried out the CyberPower UT650EG UPS
After some spicy feedback to my post where a ThinkPad T430 acted as a server,
I decided to try out...
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server,
I decided to try out one UPS that was recommended on the basis of it being much
more power efficient compared to the APC UPS that I previously ran.
That UPS? CyberPower UT650EG.
Why switch out a...
Jonas Hietala
I, Robot
Here are the results of the big robot construction course we had before christmas! The whole process...
over a year ago
Here are the results of the big robot construction course we had before christmas! The whole process went smooth and our group was amazing. The design and building of the robot went well even though in hindsight I would’ve changed a lot of stuff. The ending competition didn’t go...
Applied Cartography
November, 2024
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved,...
2 weeks ago
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved, without fanfare or closure) cough and a dearth of time to write as I started to explore easing back into full-time work.
Still, some writing (and selfishly, I'm excited to end the...
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...
Jonas Hietala
Getting the book into my hands
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?....
over a year ago
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?. I took the cheapest shipping option at IngramSpark, without tracking and, apparently, without customs declarations as it got stuck in customs for several weeks.
But it’s here...
Construction Physics
How Good Are American Roads?
We’re in an era where US infrastructure is getting a lot of attention.
a month ago
We’re in an era where US infrastructure is getting a lot of attention.
Engineers Need Art
Jigsaw Puzzle
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big...
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
Lighthouse Blog
How to stay on top of (new) content
6 months ago
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
Jonas Hietala
Ugly and Slow Progress
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I...
over a year ago
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I have an idea and it might be good, all I need to do is execute it. Right?
Programmer graphics coming to take you away!
Anyway it’s going to be a risk-like game with a twist: you can...
Notes on software...
Writing a simple JSON library from scratch: a tour through modern C++
Modern C++ has a lot of cool features. Move semantics means passing
around structs in functions is...
over a year ago
Modern C++ has a lot of cool features. Move semantics means passing
around structs in functions is cheap. std::shared_ptr
means I don't have to manage any memory; no
more new/delete! (But try as I might to
understand std::unique_ptr, I'm just not there yet.)
The syntax has also...
Posts on Made of...
Indices point between elements
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this:
In this post, I want to persuade you to replace that image, or,...
Abort Retry Fail
The History of Lotus
The Hardest Working Software in the World
a year ago
The Hardest Working Software in the World
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here)
For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
Computer Ads from...
ViaGrafix Computer Training Videos
Learn...by Simply Watching TV
a month ago
Learn...by Simply Watching TV
Abort Retry Fail
Housekeeping for 20240701
Another correction
5 months ago
Old Vintage...
What the KIM-1 really needs is an LCD screen
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all...
a year ago
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all well and good, but the basic unit is still just six numeric LEDs for its display. Let's solve that problem.
Sure, you could hook up a serial terminal like the Silent 700 we used...
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
./techtipsy
Can a laptop from 2012 be a viable home server?
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but...
over a year ago
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but at least it makes for a fun experiment.
Intro
After adding an UPS to accompany my server,
my setup was as complete as it could reasonably be. The server is low power,
but packs...
Vitalik Buterin's...
The Dawn of Hybrid Layer 2 Protocols
over a year ago
OH8HUB’s Substack
Eliminating Radio Interference from Apple charger
Apple's product design teams should do a better job eliminating unwanted radio frequency emissions...
a year ago
Apple's product design teams should do a better job eliminating unwanted radio frequency emissions from their product!
GitButler
Fixing up Git with Autosquash
How can you amend a series of commits automatically to keep a clean history? Let's take a look at...
9 months ago
How can you amend a series of commits automatically to keep a clean history? Let's take a look at git autosquash.
Willem's Blog
And... there is light!
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of...
a year ago
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of dynamo powered lights, ensuring a bright and hassle-free ride on the darkest roads.
Home on Erik...
hdfs2cass
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
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
Posts on Made of...
6.170, CVS, and SVN
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences.
Some Background You...
Jonas Hietala
Where's Teddy?
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it...
over a year ago
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it is. Made in about seven days (more likely eight) and I thought it became quite cool.
Where’s Teddy?
How to Play
Your mission is to find teddy and his teddybear friends. The...
Electronics etc…
ThinMachine - a $25 Thin Client MacOS Time Machine Appliance
The instructions below set up Time Machine using the Apple File Protocol
(AFP). After publishing...
a year ago
The instructions below set up Time Machine using the Apple File Protocol
(AFP). After publishing this blog post, I’ve been told that this is now
deprecated and that Samba should be used instead. I’ll update this blog
post in the near future.
Introduction
The HP t520 Thin...
Arduino Blog
An Arduino-powered robotic ukulele that plays itself
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
4 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
somenice
RGB Input Range Sliders
R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range...
4 months ago
R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range type sliders to control the color of an LED.Each color channel change triggers an update to read the value, convert it to a hex code (eg. #FF0000), update the output element value,...
OH8HUB’s Substack
Spring day ham radio activation in Hiastinlahti, Finland
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of...
a year ago
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of Bothnia. This area is a Nature 2000 nature reserve area and good spot for bird watching. The area has a two kilometer long nature trail with fireplace, lean-to and toilet. From the...
Louwrentius
Understanding the Ubuntu 20.04 LTS Server Autoinstaller
Introduction
Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation...
over a year ago
Introduction
Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation process. This includes support for 'preseeding' to create unattended (automated) installations of ubuntu.
the debian installer
With the introduction of Ubuntu Server 20.04 'Focal...
Computer Ads from...
Comics from 1983/08 Today Mag
Time for some levity. The following comics were all found in the August 1983 issue of Today...
9 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
Jonas Hietala
Good and Bad Programmers
Every now and day blog posts about what it takes to be a good programmer or how you figure out if...
over a year ago
Every now and day blog posts about what it takes to be a good programmer or how you figure out if someone is a bad programmer arrives. There’s always talk about how you find the good programmers in interviews and the topic is always hot in schools and universities.
Today I read...
Willem's Blog
Some thoughts on touch screen user interface design
I am working on a new app involving personal health that requires a natural intuitive interface that...
over a year ago
I am working on a new app involving personal health that requires a natural intuitive interface that works well on touch screens. It's good to check out some best practices for touch UI design
./techtipsy
The hidden media play/pause/stop keys on the Lenovo ThinkPad L390 Yoga
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This...
7 months ago
ThinkPad keyboards were once well known for their great layouts, feel and
functionality. This included the media playback control keys.
On the ThinkPad T430, the new chiclet keyboard layout moved the media keys to
the function row. Still there, but less convenient to access.
The...
Louwrentius
How to compile HAProxy from source and setup a basic configuration
To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic...
over a year ago
To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic to louwrentius.com across two different web servers.
I run HAProxy on a VPS based on Ubuntu 12.04 LTS. Let's dive right in.
First, we need to download the source. Don't copy/pased...
Matt Blewitt
Service Objects in Rails
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects,...
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects, in the context of Rails.
Abort Retry Fail
Housekeeping 20241208
Corrections, stats, and an update
a week ago
Corrections, stats, and an update
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...
Arduino Blog
Can remote co-presence keep distant human connections alive?
The pandemic made a lot of things obvious, not the least of which is that humans need social...
5 months ago
The pandemic made a lot of things obvious, not the least of which is that humans need social interaction to maintain good mental health. Sadly, many of us spend our lives physically separated from our loved ones by great distances or inopportune circumstances. That’s why a team...
Applied Cartography
Notes from April
Welcome to spring, bona fide and humid. Lots of writing this month:
I wrote about spending the past...
7 months ago
Welcome to spring, bona fide and humid. Lots of writing this month:
I wrote about spending the past two years as an independent technologist.
On the media side of things: brief words on Murderville (meh), The Parallax View (incredible), This is Personal (meh), Cribsheet...
Louwrentius
Migration from blogger to blogofile and disqus is complete
As stated in my previous post, I migrated all posts from blogger.com to my own host running...
over a year ago
As stated in my previous post, I migrated all posts from blogger.com to my own host running blogofile.
At the time of my previous post, I was not able to restore all comments made on my old blog. Thanks to some help
from disqcus I fixed an error on my behalf and all old comments...
Willem's Blog
Impact of training
Join me on an intriguing journey as I explore the transformative impact of effective training and...
a year ago
Join me on an intriguing journey as I explore the transformative impact of effective training and data analysis on my performance in the Fietselfstedentocht 2023.
Lighthouse Blog
Deep dive into finding RSS feeds
2 weeks ago
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,...
lcamtuf’s thing
A 15-minute intro to involute gears
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their...
a month ago
Involute gears are everywhere: toys, kitchen appliances, cars. But what's so special about their shape?
Louwrentius
Why I believe the new Mac Pro won't be a great machine for gaming
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking...
over a year ago
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking about buying a new Mac Pro for gaming.
I believe that gaming on the new Mac Pro will be a mediocre experience.
Driver support: as John mentioned himself, the video cards are...
On Life and Lisp
The first conformant M1 GPU driver
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the...
a year ago
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the drivers are compatible with any OpenGL ES
3.1 application. Interested? Just install Linux!
For existing Asahi Linux users,
upgrade your system with dnf
upgrade (Fedora) or pacman
-Syu...
Abort Retry Fail
The History of Commodore, Part 4
The Amiga, The Decline, The Fall
a year ago
The Amiga, The Decline, The Fall
Simply Explained
Migrating This Blog From Jekyll to Eleventy
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
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...
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...
Willem's Blog
Cleaning a vintage watch
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old...
over a year ago
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old beauty underneath layers of dirt!
Old Vintage...
xa (xa65) 2.4.1
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02,...
9 months ago
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02, R65C02 and 65816 processors that André and I maintain is now at version 2.4.1. This optionally expands the syntax from 2.4.0 and fixes some bugs primarily with relocatable .o65...
Jonas Hietala
Game Design Analysis: World of Goo
Introduction
This is the second essay for the course Game Design and this thime I will be analysing...
over a year ago
Introduction
This is the second essay for the course Game Design and this thime I will be analysing the game World of Goo a bit.
The first level
The game is very simple. You begin with a structure and a few Goo balls, the charming balls bobbing around there, which you can drag...
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.
Vitalik Buterin's...
Making Ethereum alignment legible
2 months ago
Willem's Blog
Improve your sleep by blocking light
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
over a year ago
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
Notes on software...
Generating a REST API from a database
I recently published an alpha version of a code generation tool,
DBCore, that reads a...
over a year ago
I recently published an alpha version of a code generation tool,
DBCore, that reads a database
schema from PostgreSQL or MySQL and generates an entire Go API with
CRUD operations, pagination, filtering, and authentication.
But more than just generating code like
xo/xo or...
Opsbros
Saibah Securitah
It's always okay to buy the domain for the meme!
over a year ago
It's always okay to buy the domain for the meme!
Old Vintage...
After 41 years, my first assembly program on my first computer, the Tomy Tutor
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor...
9 months ago
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor isn't a replacement system I secondarily acquired, nor is it a Ship of Theseus Frankenstein rebuild. This is my actual first computer, in its original case, on its original...
Jonas Hietala
Eduroam for wicd in Linkoping's University
So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost.
Save the following as /etc/wicd/encryption/templates/ttls-80211:
name = TTLS for Wireless
author =...
Willem's Blog
Removing paint from a bike frame
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal,...
over a year ago
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal, raw aluminium look.
Vitalik Buterin's...
Hard Forks, Soft Forks, Defaults and Coercion
over a year ago
Simply Explained
Shelly 2.5: Flash ESPHome Over The Air!
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're...
over a year ago
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're well built, tiny and rock solid, and best of all: compatible with ESPHome.I flashed ESPHome onto all my Shelly 1's, but for some reason, I have issues with my Shelly 2.5 devices......
Willem's Blog
Rescuing photos from a crashed iMac
This week I attempted to recover two decades of personal photo history from a crashed iMac.
over a year ago
This week I attempted to recover two decades of personal photo history from a crashed iMac.
Buck on Software
23 things you should know
1: Management’s true confidence is reflected in how fast they are hiring
over a year ago
1: Management’s true confidence is reflected in how fast they are hiring
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output...
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output is written to a file or disk. Only when Nmap is finished,
is all output written to the output file. Often, I want to start processing
results of hosts that have already been...
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
2 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Odds and Ends of...
How I learned to stop worrying and love the military industrial complex
Whether Trump wins or loses today, Europe should tool up and prepare to fight.
a month ago
Whether Trump wins or loses today, Europe should tool up and prepare to fight.
seangoedecke.com RSS...
Grifters, believers, grinders, and coasters
Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out...
2 weeks ago
Why do engineers get mad at each other so often? I think a lot of programmer arguments bottom out in a cultural clash between different…
Louwrentius
Additional proof that Apple is ditching the optical drive
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present.
In my life, I never see people use the optical...
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?
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Arduino Blog
This 3D-printed robotic arm can be built with just a few inexpensive components
Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts,...
2 months ago
Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts, such as actuators, only increases that feeling of inaccessibility. But as FABRI Creator shows in their most recent video, you can build a useful robotic arm with just a handful of...
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...
./techtipsy
Running on fumes
After a run-of-the-mill Windows BSOD, I was redirected to the UEFI
settings and was presented with...
over a year ago
After a run-of-the-mill Windows BSOD, I was redirected to the UEFI
settings and was presented with this fun little bug:
0GB ought to be enough for anybody.
latest projects -...
Portable Probability Panel
[Misc] Laser-cut Galton board
5 months ago
[Misc] Laser-cut Galton board
Abort Retry Fail
The History of Windows 95
The Dawn of Microsoft's Golden Age
a year ago
The Dawn of Microsoft's Golden Age
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
Louwrentius
Release of PPSS - the Parallel Processing Shell Script
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use...
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use of the current multi-core CPUs. It will detect the number
of available CPUs and start a thread for each CPU core.
This script is build with the goal to be very easy to use. Also,...
Jonas Hietala
Goals for Autumn 2016
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read...
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
Louwrentius
71 TiB DIY NAS based on ZFS on Linux
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor.
Purpose
The...
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post
If you are a paid subscriber, voting is open for one week
9 months ago
If you are a paid subscriber, voting is open for one week
Notes on software...
Controlled HTML select element in React has weird default UX
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.
Jonas Hietala
How I wrote a book using Pollen
I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my...
over a year ago
I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my first impressions of it, but as the book is now completed I think I can summarize some implementation details in more detail with this post.
I really like the markup language and...
Louwrentius
My home lab server with 20 cores / 40 threads and 128 GB memory
Update fall 2024
I have decided to decomission this machine and it is no longer in use.
As of this...
over a year ago
Update fall 2024
I have decided to decomission this machine and it is no longer in use.
As of this moment, it's replaced by a cluster of four 1L PCs which use about a third of the idle power usage and boot within 20 seconds. The single-core performance of these low-power 1L PCs...
Abort Retry Fail
The History of Microsoft Encarta
Searchable Human Knowledge
a year ago
Searchable Human Knowledge
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Neil Madden
How do you use a bearer URL?
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Odds and Ends of...
Nobody knows what the National Data Library is (not even the government)
A policy wrapped in a mystery inside an enigma
a month ago
A policy wrapped in a mystery inside an enigma
./techtipsy
How to copy media off of an iPhone the hard way (using Linux)
I helped a family member upgrade to a newer iPhone and make some room so that the internal storage...
3 months ago
I helped a family member upgrade to a newer iPhone and make some room so that the internal storage does not run out.
They had Nextcloud installed on the current phone, but due to limitations of the Nextcloud iOS
app, the backups only take place if the app itself is open, meaning...
Style over Substance
Adding night shading to a Home Assistant mini-graph-card chart
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih....
over a year ago
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih. It’s the card running most of the graphs in our smart home‘s dashboard. Surprisingly, mini-graph card is actually not included in Home Assistant by default – honestly, it should be,...
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...
Applied Cartography
My approach to GTD and PKM
One pernicious thing with writing about productivity and knowledge systems: you only change systems...
2 months ago
One pernicious thing with writing about productivity and knowledge systems: you only change systems that aren’t working, and you tend to write about things during times of change. So most writing about productivity systems stem from people whose systems have failed them.
It is...
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
Nabeel S. Qureshi
Films + Books, Q1 2023
What I watched and read
a year ago
Louwrentius
I resurrected my Dutch movie review site from 2003
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the...
over a year ago
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
./techtipsy
btrbk is awesome
I like having a safety net whenever I’m doing something potentially destructive,
which is why I use...
over a year ago
I like having a safety net whenever I’m doing something potentially destructive,
which is why I use the btrfs file system for my operating system and my data.
Snapshots are one half of my “whoops, there goes all my work” strategy (backups
are the other half).
I’ve written about...
Home on Erik...
I already found the best gifs
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From...
over a year ago
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
./techtipsy
Recovering a password-protected ThinkPad T60
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use
by a family member...
over a year ago
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use
by a family member before that, and I started its cleanup by disassembling the
whole machine and making sure that it was pristine. However, once I put it all
back together, I saw that it was password...
Willem's Blog
Programming on Apple Watch
Programming with VIM over SSH on Apple Watch using a bluetooth keyboard
over a year ago
Programming with VIM over SSH on Apple Watch using a bluetooth keyboard
Arduino Blog
This DIY smart chicken coop features AI-based predator detection
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get...
a month ago
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get rid of pests in the yard. But, like all animals, they require care. Most importantly, you’ll need to ensure that they have regular food and water, and you’ll need to protect them...
axio.ms
32-bit hat, with LEDs
Built in November 2015 (now-traditional multi-year writeup delay applied)
A hat,...
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied)
A hat, bejewelled with 38 RGB LEDs
Is this thing on..? It’s been a while since I’ve written one of these.
So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
Jonas Hietala
Tufte style sidenotes and marginnotes in Pollen
When evaluating Pollen I complained about markdown/pandoc’s lack of sidenote handling. I have solved...
over a year ago
When evaluating Pollen I complained about markdown/pandoc’s lack of sidenote handling. I have solved it for Pollen but felt it deserved it’s own post.
A caveat: I generated Tufte CSS style sidenotes and marginnotes which made it more complex than if I had simply generated...
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...
Arduino Blog
Improve laser engraving speeds with an Arduino-controlled turntable
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but...
6 months ago
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but what happens when the production volume needs to increase? For element14 Presents host Clem Mayer, this usually meant preparing many uniform pieces of engraving stock, opening the...
Computer Ads from...
Small Systems Engineering's PETSPEED
Fast Enough for the Human Race
5 months ago
Fast Enough for the Human Race
Arduino Blog
Improve indoor air quality with Arduino
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
7 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
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...
Posts on Made of...
Using X forwarding with screen by proxying $DISPLAY
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a...
over a year ago
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a long-running session going on a server somewhere, and log in and resume my session without losing any state.
I also love X-forwarding. I love being able to log into a remote server...
./techtipsy
How to mess up a simple ThinkPad X230 BIOS flash and how to recover from it
Background
I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main...
over a year ago
Background
I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main laptop and a server as well.
A couple of years ago I messed around with flashing alternative BIOS implementations on the X230, such
as the skulls project, which made installing...
Christian Selig
Announcing Juno 2.0
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
7 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it.
Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
...
over a year ago
Previously in compiler basics:
1. lisp to assembly
2. user-defined functions and variables
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
This post upgrades the ulisp x86 backend from using a limited set of
registers (with no spilling...
Jonas Hietala
Swelling with New Shiny Books
So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay!
First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Willem's Blog
Wearing Grand Seiko
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship,...
over a year ago
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship, innovation and practicality.
Birchtree
The future simply has more computers (members post)
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
Good Enough
TIL: Fixing Broken Social Share Images in Twitter/X
I have an admission to make.
Social share images for Pika were broken on Twitter/X, LinkedIn, and...
a month ago
I have an admission to make.
Social share images for Pika were broken on Twitter/X, LinkedIn, and Apple Messages for months.
And it made me sad.
But in the past few months we got it fixed.
And that made me very happy!
We really love our Pika social share images.
They are...
Louwrentius
IKEA $50 VINDSTYRKA vs. $290 Dylos air quality monitor
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with...
a year ago
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with a $290 air quality monitor made by Dylos to see if it's any good.
Context
If you care about indoor air quality, you may already own a CO2 to determine if it's time to ventilate...
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...
Odds and Ends of...
Christmas Mailbag - Questions Wanted!
Ask me stuff!
a week ago
Notes on software...
Standard ML in 2020
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML#...
over a year ago
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML# and
SML/NJ
are the most prominent. Discussion on the future direction of Standard
ML remains healthy as
well.
And somehow OCaml's lesser known cousin still beats out OCaml...
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...
Notes on software...
Writing to be read
There is a common struggle in the writing and maintenance of
documentation, checklists, emails,...
over a year ago
There is a common struggle in the writing and maintenance of
documentation, checklists, emails, guides, etc. Each provides immense
value; a document may be the key to an important process. The goal is
to remove barriers -- to encourage understanding and correct
application of...
Notes on software...
Interpreting TypeScript
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript...
over a year ago
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript makes much of its functionality
available programmatically. In this post we'll use the TypeScript
compiler API to build an interpreter. We'll build off of a...
Computer Ads from...
Ampere WS-1
A cool Japanese clamtop
9 months ago
Jonas Hietala
Christmas break
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Bryan Braun - Blog
The flood of AI website builders
There are so many of them.
instead of markdown to enable lazy-loading -->
How good...
7 months ago
There are so many of them.
instead of markdown to enable lazy-loading -->
How good are these site builders? I don’t know.
Are you worried about job security? I have two thoughts…
1. We’ve seen this before
Wordpress, Squarespace, Shopify, Webflow… all these tools...
Notes on software...
Coolest hard-tech companies in NYC 2021
For years I've kept a private list of really cool tech companies in
NYC. Now that I'm funemployed...
over a year ago
For years I've kept a private list of really cool tech companies in
NYC. Now that I'm funemployed it's the perfect time to publish. This
list is influenced by 1) my perception of the difficulty of the
engineering behind the product and 2) the company's educational and
OSS...
Willem's Blog
Realtime service uptime monitoring
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to...
over a year ago
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to discover problems as soon as possible! Know about problems before your customers do!
Nabeel S. Qureshi
Notes on Puzzles
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a...
a year ago
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a way I don’t like — but one habit I’ve retained is solving puzzles.
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX
Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
Operating Systems Come in Many Flavors But QNX Can Take the Heat
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...
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?
Posts on Made of...
A Very Subtle Bug
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
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...
Home on Erik...
What can startups learn from Koch Industries?
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago.
Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Louwrentius
Linux: script that creates table of network interface properties
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an...
over a year ago
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an existing linux command for this but I couldn't find it so I quickly wrote my
own script (download).
This is the output:
The only requirement for this script is that you have...
Jonas Hietala
Battling burnout
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and...
a year ago
Mamma Mia! Here we go again…
Once again, I’m finding myself trying to recover from burnout, and after about a year I’m finally feeling more like myself.
Even though I’ve been here before, it’s a difficult thing to recognize and avoid, so I’m writing this to maybe help you or my...
csvbase blog
Take the tools out of 'Data', but don't take the data out of the tools
Using dataframes to write smaller, faster programs
a year ago
Using dataframes to write smaller, faster programs
Jonas Hietala
Friend of the Tree
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
5 months ago
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
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...
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
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...
Ken Shirriff's blog
The Pentium as a Navajo weaving
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving...
3 months ago
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving with a complex abstract
pattern.
Suddenly, I realized the pattern was strangely familiar, so I stopped and looked closely.
The design turned out to be an image of Intel's Pentium...
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...
Good Enough
Fixing Things
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Posts on Made of...
How is duct tape like the force?
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con...
over a year ago
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con again, I needed to do something in terms of costuming, and I wanted it to be something unique – I wasn’t going to come anywhere near as epic as some of the costumes people pull...
Home on Erik...
My issue with GPU-accelerated deep learning
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The...
over a year ago
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The speedup from a GPU is awesome and hard to deny. GPUs have taken over the field. Maybe following the footsteps of Bitcoin mining there's some research on using FPGA (I know very little...
Willem's Blog
Enjoy a festival without alcohol
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during...
over a year ago
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during the music festival.
Lighthouse Blog
How to import feeds in Lighthouse
8 months ago
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