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...
computers are bad
2024-02-11 the top of the DNS hierarchy
In the past (in fact two years ago, proof I have been doing this for a while
now!) I wrote
about
the...
10 months ago
In the past (in fact two years ago, proof I have been doing this for a while
now!) I wrote
about
the "inconvenient truth" that structural aspects of the Internet make truly
decentralized systems infeasible, due to the lack of a means to perform
broadcast discovery. As a result,...
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible.
But this time I’m pleasantly surprised.
The Lenovo ThinkPad P14s gen 4 has great specs:
CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz)
GPU:...
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
2 weeks ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Louwrentius
AI is critically important but not for you
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their...
7 months ago
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their future growth on virtual reality. But I'm convinced that virtual reality will never be a mainstream thing. If you ever used VR you know why:
A heavy thing on your head that messes up...
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...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Louwrentius
Lion's Disk Utility not compatible with CoreStorage and Filevault
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X...
over a year ago
My 1 TB hard drive of my 2011 27" iMac was partitioned with:
A bootable partition with Mac OS X Lion
Time machine partition (I use an external SSD as my main OS)
Bootcamp partition with windows
A data partition containg... data.
The problem is that CoreStorage is too new. Disk...
Computer Ads from...
E-Z Tax
The Tax Break You've Been Looking for !
8 months ago
The Tax Break You've Been Looking for !
Notes on software...
Running SQL Server in a container on 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.
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears...
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters,
computing
airspeed, Mach number, and other "air data".
The rotating...
Buck on Software
Don't be foie gras
If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
over a year ago
If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
Matt Blewitt
Long Distance Relationships
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Arduino Blog
Create your own affordable Arduino-powered smart glasses
When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the...
8 months ago
When Google Glass launched in 2013, the public opinion seemed to be “interesting technology, but the world isn’t ready yet.” Now that more than a decade has passed, the world may finally be ready — especially with the omission of controversial features like video recording. If...
Jonas Hietala
Summer job at Configura
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had...
over a year ago
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had two teams doing different things. I worked with two other awesome guys and it was great!
The Premise
We had two assignments this summer. One was to create an optimized version of...
Jonas Hietala
Focusing Attention: Programming
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many...
over a year ago
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many things I’d like to do and even if it’s not possible to do them all at once it didn’t stop me from thinking of them. One minute it’s that and the other it’s something completely...
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...
Good Enough
Bad Ideas Are Fun
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that...
a year ago
Once I was complaining to Arun about how hard it is to come up with ideas, and he pointed out that coming up with ideas is actually very easy––what makes it hard is that we’re aiming for good ideas.
The next time you're coming up with ideas, tell yourself, Forget about good...
Vitalik Buterin's...
The promise and challenges of crypto + AI applications
11 months ago
Engineers Need Art
Adam74
The Adam74 is a small ASCII-based terminal designed for the 8-bit hobbyist.
over a year ago
The Adam74 is a small ASCII-based terminal designed for the 8-bit hobbyist.
./techtipsy
The minimum viable fan control script
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as...
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers.
I’ve even went as far as writing crappy
solutions to make up for
deficiencies on the hardware level. After years of dumb experiments I’ve seen
how little you can get away with in cooling and how to run your...
Home on Erik...
Headcount goals, feature factories, and when to hire those mythical 10x people
When I started building up a tech team for Better, I made a very conscious decision to pay at the...
over a year ago
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
Lighthouse Blog
Updates November 4: Free newsletter to RSS tool
2 months ago
Good Enough
Good Enough, A Serious Business
Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you...
a year ago
Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you a bit about how Good Enough came to be and what we plan on doing here.
Barry and I started working together again in early 2022. By “work,” I mean that I’d show up on Slack for a...
Arduino Blog
Meet Real Robot One V2: A mini DIY industrial robot arm
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s...
5 months ago
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s Real Robot One (RR1) project is a fully-featured 6+1-axis robot arm based on 3D-printed parts and widely available electronics. The initial release was constructed with PETG...
Applied Cartography
Consider the data product
The advice might seem dated these days, but I think the stair step approach to bootstrapping is...
2 months ago
The advice might seem dated these days, but I think the stair step approach to bootstrapping is evergreen:
It’s much easier to sell an add-on to an existing ecosystem like a WordPress plugin, a Shopify app, a Heroku add-on – they’re usually small things to build, relatively...
anderegg.ca
An update on Mastodon and referer headers
Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys...
a week ago
Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys following web analytics, it seemed a shame that Mastodon appeared never to send any traffic. I knew this wasn’t the case, but that lack of traffic data certainly wasn’t doing...
Good Enough
TIL: Overriding Permalink Generation in FriendlyId
FriendlyId is a helpful Ruby gem that streamlines
creating permalinks and slugs for Rails...
3 months ago
FriendlyId is a helpful Ruby gem that streamlines
creating permalinks and slugs for Rails applications. In Pika we're using it to help with
generating permalinks for blog posts and pages as well as slugs for tags. When a customer
wrote in with a request to modify the behavior of...
Home on Erik...
Books I consumed in 2017
Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a...
over a year ago
Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a teenager, but it has slowly deteriorated to maybe 20-30 books, at most. And I don't even finish all of them because life is too short!
Yazin Alirhayim
How do you know that an API does what it says it does?
Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information.
A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
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...
Vitalik Buterin's...
Against overuse of the Gini coefficient
over a year ago
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...
5 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...
Home on Erik...
Machine, Platform, Crowd
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters.
Ok, I lied a little bit. I didn't discover it serendipitously.
Buck on Software
Winds of Change
Software is maybe, just maybe about to get exciting
6 months ago
Software is maybe, just maybe about to get exciting
Home on Erik...
Modeling conversion rates using Weibull and gamma distributions
This is a blog post originally featured on the Better engineering blog. If you want to link to this...
over a year ago
This is a blog post originally featured on the Better engineering blog. If you want to link to this article or share it, please go to the original post URL! Separately, I'm sorry it's been so long with no posts on this blog.
Jonas Hietala
Finishing Stuff
I haven’t done much blogging or game programming in a while but instead I’ve finished some school...
over a year ago
I haven’t done much blogging or game programming in a while but instead I’ve finished some school stuff. We completed the assembly course labs, which were pretty fun actually, and I managed to finally complete the electronics course I’ve been holding off on for like forever… But...
Jonas Hietala
Let's build a VORON: Wiring
Dread it. Run from it. Wiring arrives all the same.
It’s time for the part of my VORON build that...
a year ago
Dread it. Run from it. Wiring arrives all the same.
It’s time for the part of my VORON build that I’ve been dreading: the wiring.
It’s scary because I really have no clue what I’m doing, and mistakes can be very costly and time-consuming.
I’ve taken my time to double- and...
./techtipsy
My blog successfully survived a scheduled power outage
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage...
3 months ago
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage on 2024-09-13.
It was also Friday the 13th. I’m not superstitious, but I’m a little stitious.
My setup usually consists of the home server, a Wifi AP/router combo box, a converter...
Willem's Blog
Go Viral on X
Learn how to go viral on X using simple logic in creating engaging posts.
a month ago
Learn how to go viral on X using simple logic in creating engaging posts.
Good Enough
TIL: Use randomness to prevent email trimming
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of...
a year ago
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of the emails we send with our new app because they were too similar to the other emails in the conversation thread.
They’re similar because that’s just the link to get back into the...
./techtipsy
Control - how to make a game enjoyable for casual audiences
I’ve decided to intentionally take more time to play video games this year,
since it’s a relatively...
a year ago
I’ve decided to intentionally take more time to play video games this year,
since it’s a relatively healthy way to escape from the real world once in a while.
A friend recommended one game in particular: Control: Ultimate Edition.
During the Steam summer sale of 2023, I went...
./techtipsy
ThinkPad T40: it can still run modern Linux, for now
I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads.
I picked it up some...
7 months ago
I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads.
I picked it up some time around my university days because I liked collecting
ThinkPads at the time, and it was a nice complement to my existing ThinkPad T60
and T430.
The battery is dead, but everything...
Jonas Hietala
New Computer!
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are).
The specs:
GPU: Gigabyte GeForce GTX 550Ti OC 1GB
CPU: Intel core i5 2500K
CPU cooler: Zalman CNPS-9900NT
Motherboard: MSI P67A-C45 REV B3
Ram:...
Posts on Made of...
Getting carried away with hack value
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of...
over a year ago
Recently, I’ve been working on some BarnOwl branches that move more of the core functionality of BarnOwl into perl code, instead of C (BarnOwl is written in an unholy mix of C and perl code that call each other back and forth obsessively).
Moving code into perl has many...
Computer Ads from...
MacWorld Interviews Apple CEO John Sculley (1987)
They discuss the future of Apple, personal computing, and the Mac II
a month ago
They discuss the future of Apple, personal computing, and the Mac II
Applied Cartography
Is cool enough?
Via HN I ran into not one but two extremely neat
and pleasant-looking libraries for URL...
9 months ago
Via HN I ran into not one but two extremely neat
and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory
glances at the hodgepodge of janky URL manipulation code that I wrote for...
Arduino Blog
Controlling a drum machine with the Arduino Opta
Makers have long asked the question “why bother with an expensive PLC when I can just use an...
6 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
Home on Erik...
Momentum strategies
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
Willem's Blog
Why Apple Silicon is a big deal
Never have I been so blown away as by the new MacBook Air with M1 processor. It is a big deal.
over a year ago
Never have I been so blown away as by the new MacBook Air with M1 processor. It is a big deal.
Louwrentius
Benchmark results of Random I/O performance of different RAID levels
Introduction
I have performed some benchmarks to determine how different RAID levels perform when...
over a year ago
Introduction
I have performed some benchmarks to determine how different RAID levels perform when handling a 100% random workload of 4K requests. This is a worst-case scenario for almost every storage subsystem. Normal day-to-day workloads may not be that harsh in a real-life...
Jonas Hietala
2017 in Review
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got...
over a year ago
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got a child in October! It really alters your perspectives and other things suddenly feel a little less important and of course there’s less time to do other stuff.
A little late and...
Simply Explained
Why I don't take sponsorships
Last year I made that video in response to a sponsorship offer that I got from various VPN...
over a year ago
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
Jonas Hietala
Ludum Dare 29 Entry
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally...
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again!
I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something.
Repository: https://github.com/treeman/LD29. Going for C++ this...
Matt Mullenweg
Age-gating
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and...
a month ago
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and democratic societies can decide their own rules there. But it should be handled and authenticated as low-level as possible, at the operating system layer. See also: Australia’s...
Ian's Blog
Mourning the Loss of Cohost
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting...
3 months ago
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting down, with the site going read-only on October 1st 2024. This news was deeply upsetting to receive, as Cohost filled a space left by other social media websites when they stopped...
lcamtuf’s thing
Dispatches from the farm upstate
Middle-aged computer expert opts to escape civilization, offers dubious life advice.
5 months ago
Middle-aged computer expert opts to escape civilization, offers dubious life advice.
Louwrentius
Recovering a lost partition using gpart
Even today people do not understand how important it is for the safety of your
data to make backups....
over a year ago
Even today people do not understand how important it is for the safety of your
data to make backups. I was asked to perform some data recovery on a hard
drive of an old computer, which still contained important documents and
photo's.
The first thing I did was to make a disk image...
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...
Applied Cartography
Linear
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes...
2 weeks ago
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes I wanted to publish on our own experience of migrating from GitHub Issues to Linear, and some reflections on it as a product now that we've been using it for a few months.
One...
Willem's Blog
Minimalistic road bike with Gates carbon drive
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX...
over a year ago
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX Carbon Drive, read about this beautiful minimal bike in this post.
Home on Erik...
Language pitch
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain...
over a year ago
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain languages are simply pronounced with lower or higher pitch. Whether this is a feature of the language or more a cultural thing is a good question, but there are some substantial...
./techtipsy
Dell Latitude 5411: the Linux compatibility sweet spot
Oh boy, here I go testing a new laptop again!
Well, it was new back in 2020.
You might remember my...
a year ago
Oh boy, here I go testing a new laptop again!
Well, it was new back in 2020.
You might remember my article on why I went back to a ThinkPad T430 in 2022.
Or that other time when I got a new HP laptop for testing and got so frustrated that I wrote about it.
Well, today I’m writing...
latest projects -...
Motorised Camera Slider
[Hardware] Simple smooth motor mod
5 months ago
[Hardware] Simple smooth motor mod
Jonas Hietala
Let's build a VORON: Software
The build continues, now in a little more familiar territory.
Firmware flashing
To flash the...
a year ago
The build continues, now in a little more familiar territory.
Firmware flashing
To flash the firmware I had to order a microSD card reader.
With that on hand the flashing wasn’t difficult. The VORON docs walks you through the installation very well.
Mainsail
I chose to install...
Posts on Made of...
Implementing a declarative mini-language in the C preprocessor
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time,...
over a year ago
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time, I want to talk about the tricks I used to implement a declarative minilanguage using the C preprocessor (and some GCC extensions).
The Problem We want to write some toplevel...
Louwrentius
HP Proliant Microserver Gen10 as router or NAS
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine...
over a year ago
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine replaces the older Gen8 model.
For hobbyists, the Microserver always has been an interesting device for a custom home NAS build or as a router.
Let's find out if this is still the case....
Ken Shirriff's blog
Inside the Intel 386 processor die: the clock circuit
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this...
a year ago
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this blog post, I'll examine the clock-generation circuitry inside the Intel 386 processor.
Earlier processors such as the 8086 (1978) were simpler, using two clock phases internally.
The...
Neil Madden
When a KEM is not enough
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation...
over a year ago
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation mechanism is given the recipient’s public key and outputs a fresh AES key and an encapsulation of that key that the recipient can decapsulate to recover the AES key. In this post I...
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...
3 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Jonas Hietala
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...
Applied Cartography
Incumbency
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt...
5 months ago
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt software-focused private equity:
Distribution and brand moats can protect your legacy products for a while (esp in enterprise) but eventually you get lapped by competitors with better...
./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...
a week 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...
Applied Cartography
PSA: mess around with Kolo
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
10 months ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code.
If you have a Django app, I think you should drop...
Notes on software...
How I run a software book club
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We...
7 months ago
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We read through Designing Data-Intensive
Applications, Database
Internals,
Systems
Performance, and
we just started Understanding Software
Dynamics.
The DDIA discussions were...
Louwrentius
The security risk of vendor-supplied default SSL certificates
Often, software comes supplied with some default SSL certificate, for testing
purposes, such as...
over a year ago
Often, software comes supplied with some default SSL certificate, for testing
purposes, such as those 'snake oil' certificates (they are called snake oil
certificates for a reason). In practice, I often encounter usage of such
certificates. People may seem to think that as long...
Louwrentius
Systemd Forward Secure Sealing of system logs makes little sense
Systemd is a more modern replacement of sysvinit and its in the process of being integrated into...
over a year ago
Systemd is a more modern replacement of sysvinit and its in the process of being integrated into most mainstream Linux distributions. I'm a bit troubled by one of it's features.
I'd like to discuss the Forward Secure Sealing (FSS) feature for log files that is part of systemd....
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts.
I firmly believe that it's the role of a system to respect the user's intent.
Louwrentius
My Ceph test cluster based on Raspberry Pi's and HP MicroServers
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In...
over a year ago
Introduction
To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In this blogpost I'll discus the cluster in more detail and I've also included (fio) benchmark results.
This is my test Ceph cluster:
The cluster consists of the following...
Abort Retry Fail
The History of Windows NT 4
Taking the Server Market
a year ago
Notes on software...
Writing a document database from scratch in Go: Lucene-like filters and indexes
In this post we'll write a rudimentary document database from scratch
in Go. In less than 500 lines...
over a year ago
In this post we'll write a rudimentary document database from scratch
in Go. In less than 500 lines of code we'll be able to support the
following interactions, inspired by Elasticsearch:
$ curl -X POST -H 'Content-Type: application/json' -d '{"name": "Kevin", "age": "45"}'...
computers are bad
2023-04-20 different kinds of differential
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by...
a year ago
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by satellite failure as GPS-guided tractors grind to a
halt." Of course the headline doesn't actually say this, but it does seem
to imply that there has been some kind of failure of...
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...
Posts on Made of...
Wordpress tricks: Disabling editing shortcuts
One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t...
over a year ago
One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t edit text in anything that doesn’t have decent emacs keybindings.
Fortunately, on Linux, at least, GTK provides basic emacs keybindings if you add
gtk-key-theme-name = "Emacs" to...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL.
While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
lcamtuf’s thing
Deep dive: the (in)stability of op-amps
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
2 months ago
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
Ian's Blog
Having a Website Used to Be Fun
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
2 months ago
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...
Arduino Blog
Exercise while you game with this interactive treadmill add-on
Motion-based controls for games have been around for decades, but even with the latest generation of...
4 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
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?
Opsbros
WetSocks Revival
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do...
over a year ago
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do to get WetSocks Windows 98 tray weather app working again.
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
over a year ago
Louwrentius
Why I still won't switch to Linux and keep my Mac
The current state of Linux is amazing. If we take a look at, for example,
Ubuntu Linux, we have to...
over a year ago
The current state of Linux is amazing. If we take a look at, for example,
Ubuntu Linux, we have to admit that the Linux desktop is really becoming a
nice, user-friendly environment. I'm truly starting to like what I see. I
considered whiping Mac OS X from my macbook, but there...
latest projects -...
Light comms on the 003
[Hardware] Tiny terrahertz transmissions
5 months ago
[Hardware] Tiny terrahertz transmissions
./techtipsy
What changing the CPU on a laptop looks like
This post illustrates something that is not common on modern laptops:
changing the...
over a year ago
This post illustrates something that is not common on modern laptops:
changing the CPU.
Background
One of the modifications that you can do to a ThinkPad T430 laptop is changing
the CPU to a more powerful quad core model. That’s exactly what I did back in 2017,
but due to the...
Jonas Hietala
Favourite Programming Language
All the programmers love to promote their favourite language, or to hate on others. Now I read a...
over a year ago
All the programmers love to promote their favourite language, or to hate on others. Now I read a post which claimes my favourite language is not good enough! But he’s correct of course, there is no one language to rule them all. You should always choose the mest language for the...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
computers are bad
2023-12-05 vhf omnidirectional range
The term "VHF omnidirectional range" can at first be confusing, because it
includes "range"---a...
a year ago
The term "VHF omnidirectional range" can at first be confusing, because it
includes "range"---a measurement that the technology does not provide. The
answer to this conundrum is, as is so often the case, history. The "range"
refers not to the radio equipment but to the space...
Applied Cartography
Notes on Zed
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
9 months ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
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...
4 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,
Arduino Blog
Ride safer with these DIY bicycle lights
Many people around the world live in cities designed for cars, with bicycle use being a distant...
5 months ago
Many people around the world live in cities designed for cars, with bicycle use being a distant afterthought. That makes cycling dangerous and lights can do a lot to make riding safer. That’s why Giovanni Aggiustatutto designed this DIY system that includes headlights, a...
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Jonas Hietala
Site restyle and update
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s...
over a year ago
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s Practical Typography. It’s free and there’s a section Typography in ten minutes if you want the important bits.
He makes a pretty good case for why it matters when he points out the...
Gwern.net Newsletter
Jan 2021 Gwern.net Newsletter
January 2021 gwern.net newsletter with links on AI scaling up and down.
over a year ago
January 2021 gwern.net newsletter with links on AI scaling up and down.
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server.
Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS
IMPORTANT! (update January 2013)
I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Arduino Blog
Assess your aquarium’s health with an AI-enabled ultrasonic sensor
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can...
8 months ago
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can accumulate, which leads to a loss in fish and plant populations if not fixed quickly. But because most water testing, especially in aquariums, is done primarily on the surface, vital...
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...
Computer Ads from...
Plus Post: Rockwell AIM 65
The Company Rockwell International has been around for quite a while. Willard Rockwell started the...
8 months ago
The Company Rockwell International has been around for quite a while. Willard Rockwell started the company in 1919 to sell a newly designed truck axle bearing. Over the years, Rockwell acquired businesses in many different fields, including defense, industrial electronics,...
Electronics etc…
HP 8656A Signal Generator Schematics
Agilent has made the 8656A Signal Generator Operating & Service Manual
available as a PDF, but the...
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual
available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes
them hard to follow.
I spent a good evening extracting the schematics pages, cutting-and-pasting
them together...
Jonas Hietala
Why I don't rely on AI for programming (too much)
I find that ai can help significantly with doing plumbing, but it has no problems with connecting...
2 months ago
I find that ai can help significantly with doing plumbing, but it has no problems with connecting the pipes wrong. I need to double and triple check the updated code - or fix the resulting errors when I don’t do that.
thih9 on Hacker News
I’ve been skeptical of the AI craze...
./techtipsy
My self-hosting setup has an UPS now, here's my experience with it
I changed my setup again.
I’m now the proud owner of an APC Smart-UPS 750.
Why? Because I got it as...
over a year ago
I changed my setup again.
I’m now the proud owner of an APC Smart-UPS 750.
Why? Because I got it as a gift, and I have never actually had an UPS before, so
it makes for a good introduction to this world.
Overview
My setup is quite basic: everything that I have on my table...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
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...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
2 months ago
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it effectively.
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Jonas Hietala
Ludum Dare 22 Here I Come
The time has finally come. After more than three hours of exam writing, and almost double spent on...
over a year ago
The time has finally come. After more than three hours of exam writing, and almost double spent on studying for it, I am now ready to declare my entry into Ludum Dare 22! I’ve been away far too long, with my entries for the 17th and the 20th dare being almost a century away, the...
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module'
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is...
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is installed with a regular modprobe like:
modprobe w83627ehf
The result will be:
FATAL: Error inserting w83627ehf
(/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
Notes on software...
Walking through a basic Racket web service
Racket is an impressive language and ecosystem. Compared to Python,
Racket (an evolution of Scheme...
over a year ago
Racket is an impressive language and ecosystem. Compared to Python,
Racket (an evolution of Scheme R5RS is three years younger. It is
as concise and expressive as Python but with much more reasonable
syntax and semantics. Racket is also faster in many cases due in part
to:
JIT...
Christian Selig
Recreating Apple's beautiful visionOS search bar
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
latest projects -...
Simsim Pendant
[Concept] Mercurial Medallion
10 months ago
[Concept] Mercurial Medallion
Engineers Need Art
VPX Scripting - Part 5 (DOF)
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
Computer Ads from...
Plus Post: Lobo MAX-80
The Computer Tandy Should Have Built (at least according to the ad).
9 months ago
The Computer Tandy Should Have Built (at least according to the ad).
Notes on software...
Studying foreign languages with inbox zero
The only time I've been able to seriously, rapidly improve my ability
to speak a foreign language...
over a year ago
The only time I've been able to seriously, rapidly improve my ability
to speak a foreign language was through intensive language courses in
college. I was forced to actively speak, read, and write Chinese for
6-8 hours a week (1-2 hours every day). Then study another 5-10 hours
a...
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9
Two interview from two different time periods
4 months ago
Two interview from two different time periods
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Arduino Blog
See how this homemade spectrometer analyzes substances with an Arduino Mega
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic...
a week ago
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic spectrum that can give valuable information about their chemical or physical compositions. Traditional setups use a single lamp to emit white light before it is split apart into a...
Arduino Blog
Arduino Nicla Sense Env: adding advanced environmental sensing to a broad range of applications
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of...
2 months ago
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of system-on-modules and sensor nodes, empowering innovators with the tools to unlock new possibilities. This tiny yet powerful sensor node is designed to elevate your environmental...
Willem's Blog
Solo around the Markermeer (211KM)
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
computers are bad
2023-07-15 underwater ears everywhere
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet...
a year ago
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet another case of "forgot to enable the systemd unit").
It's fixed now. The unsubscribe link was also broken and is now fixed but,
you know, maybe that was a feature. Did wonders for...
Computer Ads from...
Ergotron's MacTilt
MacTilt is the Solution
a month ago
Home on Erik...
The half-life of code & the ship of Theseus
As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Style over Substance
Using the Olympus XA as an everyday carry camera
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […]
The post Using...
Arduino Blog
Storing ephemeral micropoetry on RFID cards for bite-sized readings
Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of...
4 months ago
Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of poetry from cover-to-cover over the course of a few sessions, the majority of people seem to prefer enjoying poetry in occasional little chunks. And unlike the epic poems of Greek...
Christian Selig
Introducing Juno for Apple Vision Pro
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
11 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Arduino Blog
Vintage rotary phone becomes stylish kitchen timer
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three...
7 months ago
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three minutes, knead the dough for 15 minutes, bake for 30 minutes, and so on. A timer is a necessity for cooking and baking, but there is no reason you need to use your phone or a...
Birchtree
2 weeks to go and I don't think I'll have to eat that AirPod
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction...
2 weeks ago
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction that "[b]efore the end of the year, I have no doubt Apple’s AI features—especially what’s coming in 18.2—will become
Good Enough
TIL: Don’t forget your Web Manifest file
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective...
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones.
As we’re creating and...
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
10 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
Home on Erik...
Annoying blog post
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which...
over a year ago
I spent a couple of hours this weekend going through some pull requests and issues to Annoy, which is an open source C++/Python library for Approximate Nearest Neighbor search.
I set up Travis-CI integration and spent some time on one of the issues that multiple people had...
Notes on software...
Go database driver overhead on insert-heavy workloads
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than...
a year ago
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than alternative Go drivers on insert-heavy
benchmarks of mine. So if you are bulk-inserting data with Go (and
potentially also bulk-retrieving data with Go), you may want to
consider the...
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.
Posts on Made of...
Testing and feedback loops
Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model.
As mentioned in an earlier post, I think a lot about working in...
Jonas Hietala
HandCash handles require trust and are insecure
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their...
over a year ago
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their $handle concept. It’s basically a username you use instead of the normal Bitcoin Cash address, similar to how domain names abstract away IP addresses. For example instead of...
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID
Just a quick link:
Some person build basically the same setup, including identical...
over a year ago
Just a quick link:
Some person build basically the same setup, including identical controller,
providing 28 TB of storage: Take a look here
The main difference is that this person uses 1.5 TB disk, thus achieving more
storage.
Notes on software...
Administering Kubernetes is hard
Kubernetes is easy to use after some exposure; it's pretty convenient
too. But it is super hard to...
over a year ago
Kubernetes is easy to use after some exposure; it's pretty convenient
too. But it is super hard to set up.
eksctl is a good tool for folks who don't want to
spend hours/days/weeks debugging VPC configuration in 1000s of lines
of CloudFormation. None of the other tools seem to be...
Jonas Hietala
The games that make me who I am
I read an article the other day where he met someone who didn’t read fiction:
He suggested that...
over a year ago
I read an article the other day where he met someone who didn’t read fiction:
He suggested that fiction was a waste of his time — he read to learn, not for "mere" entertainment
I don’t agree with this view and neither did he:
Fiction allows you to be part of situations that are...
Matt Blewitt
So, You Want To Build A DBaaS Part 2: Technical Bits
In my first post in this pseudo-series, we covered more of the theory and organisational practices...
a year ago
In my first post in this pseudo-series, we covered more of the theory and organisational practices around building and operating a database-as-a-service platform. In this post, I’ll cover some of the more technical aspects of this that I think are worth considering, drawn from my...
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by...
12 months ago
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by Orthogonal Demodulation
Misc
Introduction
While researching a DSP related topic, Google dug up an excellent article,
written by Hideo Okawara, that is just one part of a series of ~53. I...
GitButler
GitButler is joining the Open Source Pledge
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
4 months ago
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source ecosystem.
Applied Cartography
A good H1
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we...
a month ago
Buttondown was kindly featured in H1 Gallery last week, and Ryan asked me to opine a bit on how we arrived at our current iteration, which is the anodyne yet pointed Email for you. Yes, you.
Historically, we've called Buttondown a 'newsletter tool' — the h1 before this was 'The...
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...
Willem's Blog
Dig for dummies
Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
Odds and Ends of...
Odds and Ends #49: How bat protection regulations broke Britain's planning system
Plus how Europe isn't *all bad* at growth, why every Netflix film is forgettable, and why you should...
4 days ago
Plus how Europe isn't *all bad* at growth, why every Netflix film is forgettable, and why you should visit Jimmy Carter's hometown.
watchTowr Labs
Hop-Skip-FortiJump-FortiJump-Higher - Fortinet FortiManager CVE-2024-47575
It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than...
a month ago
It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than usual. Adding to the steady flow of vulnerabilities in appliances recently was a nasty CVSS 9.8 vulnerability in FortiManager, their tool for central management of FortiGate...
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!
Arduino Blog
Expanding possibilities: Blues Wireless amplifies Opta’s connectivity
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino...
7 months ago
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino Opta, unveiled this week at the Automate Show in Chicago. The expansion module is an affordable solution to enhance connectivity options for Arduino Opta micro PLCs, and marks a...
Birchtree
Apple’s 2024 report card: the Mac 💻
This is the third in a series of posts reviewing Apple’s 2024 across their major product lines. I...
6 days ago
This is the third in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s Mac report card here.
MacBook Pro
The MacBook Pro continues to get a relentless stream of updates, as
Willem's Blog
Upgrading a 27-inch iMac 5K to 14 terabytes
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and...
over a year ago
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and some spare time I was able to resurrect it from the death!
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...
Neil Madden
A controversial opinion about REST API design
I was just reading yet another article on REST API design guidelines. Some of it is good advice,...
a year ago
I was just reading yet another article on REST API design guidelines. Some of it is good advice, some of it I could quibble with. But several of the rules are about how to design the path hierarchy of your API: use plural nouns, don’t use nested sub-paths unnecessarily, etc. In...
Simply Explained
Good Home Automation Should be Boring
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other...
over a year ago
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other people's setup for inspiration, and one thing struck me. Many people have cluttered dashboards and use Home Assistant to track just about any metric they can.That's quite different...
Ken Shirriff's blog
Reverse-engineering a three-axis attitude indicator from the F-4 fighter plane
We recently received an attitude indicator for the F-4 fighter plane, an instrument that
uses a...
3 months ago
We recently received an attitude indicator for the F-4 fighter plane, an instrument that
uses a rotating ball to show the aircraft's orientation and direction.
In a normal aircraft, the artificial horizon shows the orientation in two axes (pitch and roll), but the F-4...
Jonas Hietala
My MCU movie ranking
I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge...
over a year ago
I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge MCU fan before doing the same re-watch for Infinity War, but after that I became one.
For fun I tried to rank the movies as I saw them, this is some sort of accounting my rankings...
Willem's Blog
Clouds below my floor
Building a little datacenter in my basement utilising a very fast internet connection.
over a year ago
Building a little datacenter in my basement utilising a very fast internet connection.
Style over Substance
How to build your own Goodman ZONE camera, part 2
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her...
over a year ago
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her range of open-source camera models, using the existing Mamiya Press lens series for glass and the Mamiya RB67 backs to hold film. She sells pre-printed kits that contain all the...
Abort Retry Fail
The History of Windows NT 3.1
A Highly Portable Future
a year ago
Arduino Blog
Marble art madness from a marvelous machine
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all...
3 months ago
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all sorts of neat colors. That last characteristic makes them suitable for artwork, like orbicular pixels. In his most ambitious project to date, Engineezy took advantage of those...
Home on Erik...
We're hiring at Better
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
over a year ago
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
Louwrentius
Things you should consider when building a ZFS NAS
ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many...
over a year ago
ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many features of ZFS also appeal to home NAS builders and with good reason. But not all features are relevant or necessary for home use.
I believe that most home users building their...
Electronics etc…
An In-Depth Look at the ICE-V Wireless FPGA Development Board
Introduction
The ICE-V Wireless FPGA Board
Preloading the PSRAM with User Data
The Overall Boot...
over a year ago
Introduction
The ICE-V Wireless FPGA Board
Preloading the PSRAM with User Data
The Overall Boot Process
UART Console
Getting Started with the ICE-V Wireless Board for Real
Reinstalling or Modifying the ESP32C3 Firmware
The RISC-V Example FPGA Design
Compiling the RISC-V Example...
Home on Erik...
Interviewing is a noisy prediction problem
I have done roughly 2,000 interviews in my life. When I started recruiting, I had so much confidence...
over a year ago
I have done roughly 2,000 interviews in my life. When I started recruiting, I had so much confidence in my ability to assess people. Let me just throw a couple of algorithm questions at a candidate and then I'll tell you if they are good or not!
Vitalik Buterin's...
收入-邪恶曲线：思考“公共物品融资优先”的另一种方式
over a year ago
./techtipsy
Strangling your service with a Kubernetes misconfiguration
This is a quick story about a fun discovery that I made a while ago.
For legal reasons, all of this...
over a year ago
This is a quick story about a fun discovery that I made a while ago.
For legal reasons, all of this is made up and no such service ever existed.
Once upon a time, we had this Java service that handled all the backend
work that you’d expect to occur for a product with a web...
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...
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
3 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong.
Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood).
Zero drive failures in ten years, how is that...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Home on Erik...
The power of ensembles
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely...
over a year ago
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works.
In this case, we're training machine learning algorithms on different data sets (playlists, play counts, sessions) and different...
Arduino Blog
Arduino Cloud is now natively supported on tablets
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version...
8 months ago
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version (available for both Android and iOS platforms) optimized for unlocking the full potential of larger screen sizes. What is the Arduino IoT Remote app? The Arduino IoT Remote app allows...
Home on Erik...
It's called Berkson's paradox!
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox.
Here's another example: Why Are Handsome Men Such Jerks?
Louwrentius
Why you should not use IPsec for VPN connectivity
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels...
over a year ago
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels Ferguson and Bruce Schneier performed a detailed security analysis of IPsec and that the results were not very positive.
We strongly discourage the use of IPsec in its current form...
Gwern.net Newsletter
July 2020 gwern.net newsletter
Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
over a year ago
Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
./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.
Arduino Blog
DexteriSync lets you walk a mile in the gloves of a user with manual disability
Good designers prioritize the user experience — particularly the experience of users with...
a month ago
Good designers prioritize the user experience — particularly the experience of users with disabilities that affect their perception and fine motor skills. A young person without disabilities, for example, may feel that jars are easy to open, while an elderly person with reduced...
Odds and Ends of...
Here's how AI can REDUCE health misinformation
How the government can build a bullshit detector
2 months ago
How the government can build a bullshit detector
Notes on software...
Exploring a Postgres query plan
I learned this week that you can intercept and redirect Postgres query
execution. You can hook into...
a year ago
I learned this week that you can intercept and redirect Postgres query
execution. You can hook into the execution layer so you're given a
query plan and you get to decide what to do with it. What rows to
return, if any, and where they come from.
That's very interesting. So I...
./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2...
over a year ago
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that
they purchased from AliExpress. The adapter has a similar purpose to the one
designed by thinkmods.store, with the added bonus
that it could fit longer NVMe...
Louwrentius
Scrub your NAS hard drives regularly if you care about your data
Introduction
Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known...
over a year ago
Introduction
Lots of people run a NAS at home. Maybe it's a COTS device from one of the well-known vendors1, or it's a custom build solution (DIY2) based on hardware you bought and assembled yourself.
Buying or building a NAS is one thing, but operating it in a way that assures...
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Arduino Blog
Machine-to-machine communication is easier than ever: Opta now supports OPC UA
OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine...
a month ago
OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine communication protocol for industrial automation. It was developed by the Open Platform Communications (OPC) Foundation and is defined in detail in the IEC 62541 standard. With the...
Notes on software...
A write-ahead log is not a universal part of durability
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its...
6 months ago
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its long-term data structure durably
to disk before returning to a client. Granted, this is a bad idea! And
granted, a WAL is critical for durability by design in most
databases. But I...
Willem's Blog
Using AI to generate code
Discover how AI-generated code can revolutionise your software development process and optimise...
a year ago
Discover how AI-generated code can revolutionise your software development process and optimise cloud performance in our fascinating exploration of GPT-4's transformative capabilities.
Willem's Blog
Lunch by plane
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
over a year ago
This week I went out for lunch by plane from Hilversum to Texel with a good buddy of mine.
Home on Erik...
I'm looking for data engineers
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers...
over a year ago
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers at Better. You would be the first one to join and would work a lot directly with me.
Some fun things you could work on (these are all projects I'm working on right now):
anderegg.ca
Halls of Torment: a thematically questionable downtime game
Merry Christmas and happy holidays! I hope everyone out there has a joyful and relaxing day, however...
a week ago
Merry Christmas and happy holidays! I hope everyone out there has a joyful and relaxing day, however you celebrate. During the downtime I got to play a game I’d been wanting to try for a while.
Last summer on The Besties podcast, Russ Frushtick mentioned that he was enjoying...
Jonas Hietala
Jonas IceCream Stand
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream...
over a year ago
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream Stand
Instructions
It should be pretty self-explanatory, it’s a very simply tycoon game.
Credits
Music:
Eric Maskol
Steve Chatterton
Sound effects:
freesound
Rest:
Me
Abort Retry Fail
Housekeeping for 20240309
Super quick updates
9 months ago
Jonas Hietala
Picking up rust by writing a QR code generator
I wanted to pick up rust again after having used it many years ago. After around 5 years or so I...
over a year ago
I wanted to pick up rust again after having used it many years ago. After around 5 years or so I didn’t really know where to start?
Approaches to picking up a language
When learning, or as in this case re-learning, a programming language there are different approaches. For...
Willem's Blog
Backup Rotation Scheme
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync,...
a year ago
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync, creating and maintaining multiple recovery points from your backups.
Simply Explained
How I Structure My ESPHome Config Files
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Louwrentius
Automated install of Debian Linux based on PXE net booting
Every honest and good system administrator is continue bussy with automating
his work. For two...
over a year ago
Every honest and good system administrator is continue bussy with automating
his work. For two reasons:
Repeating the same task over and over again is friggin boring. A system
administrator has better things to do, such as drinking coffee.
Humans make mistakes, especially if...
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!
Neil Madden
I still don’t really get “hash shucking”
If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Arduino Blog
ardEEG is an Arduino UNO R4 WiFi shield for measuring biosignals
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount...
7 months ago
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount of progress in reading signals produced by the brain. We may not understand exactly what is going on, but we can see the result and utilize it. And now you can start...
Arduino Blog
KiPneu makes soft robotic biomimetics accessible to STEAM students
Biomimicry, which is a method for developing new technology inspired by nature, has been one of...
5 months ago
Biomimicry, which is a method for developing new technology inspired by nature, has been one of humanity’s greatest assets. But systems reliant on soft tissue, such as an octopus’s tentacles, have been notoriously difficult to reproduce in the robotics world. To give STEAM...
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough.
The apt-get install debian-zfs command would just hang.
I noticed a...
Jonas Hietala
Bullets and AI
The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good.
Maybe...
axio.ms
MicroMac, a Macintosh for under £5
A microcontroller Macintosh
This all started from a conversation about the RP2040 MCU, and building...
6 months ago
A microcontroller Macintosh
This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh.
The original Macintosh was...
Posts on Made of...
Lightweight Linux Kernel Development with KVM
I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and...
over a year ago
I don’t do a ton of Linux kernel development these days, but I’ve done a fair bit in the past, and picked up a number of useful techniques for doing kernel development in a relatively painless fashion. This blog post is a writeup of the tools and techniques I use when developing...
Matt Mullenweg
Michael Palmisano on Collier
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on...
2 months ago
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on YouTube, and one of my favorite genres of videos is genius musicians breaking down the incredible musical stuff Jacob is doing. (He even has his own instrument now.) This reaction...
seangoedecke.com RSS...
What can strong engineers do that weak engineers can't?
Right now people are blowing up on Twitter about whether the USA needs to import top talent from...
a week ago
Right now people are blowing up on Twitter about whether the USA needs to import top talent from other countries, and if that means that…
computers are bad
2023-10-15 go.com
Correction: a technical defect in my Enterprise Content Management System
resulted in the email...
a year ago
Correction: a technical defect in my Enterprise Content Management System
resulted in the email having a subject that made it sound like this post would
be about the classic strategy game Go. It is actually about a failed website.
I regret the error; the responsible people have...
seangoedecke.com RSS...
Learning incident response with problem sets
It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Simply Explained
Multitasking on ESP32 with Arduino and FreeRTOS
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small,...
over a year ago
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small, powerful, have a ton of onboard features, and they're relatively easy to program.However, when using it together with Arduino, all your code runs on a single core. That seems a bit...
Louwrentius
How to escape file names in bash shell scripts
After fighting with Bash for quite some time, I found out that the following
code provides a nice...
over a year ago
After fighting with Bash for quite some time, I found out that the following
code provides a nice basis for escaping special characters. Ofcource it is not
complete, but the most important characters are filtered.
If anybody has a better solution, please let me know. It works and...
Notes on software...
Speeding up Go's builtin JSON encoder up to 55% for large arrays of objects
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.
Willem's Blog
Servicing a robot vacuum cleaner
This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to...
over a year ago
This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to learn how I did it.
Birchtree
OpenAI is early Googling late-stage Google
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From...
5 days ago
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From the 2000s
In order for Google to keep its crown, it needs to remember what it was in the 2000s and a bit of luck.
Seeing Google grow from the
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...
Applied Cartography
Two weeks of parenthood
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about...
2 months ago
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about parenthood. (In all seriousness, consider the below descriptive and not prescriptive: mostly, it's a notepad filled with things that were remarkable or surprising or divergent from...
Notes on software...
Implementing the Raft distributed consensus protocol in Go
As part of bringing myself up-to-speed after joining TigerBeetle, I
wanted some background on how...
a year ago
As part of bringing myself up-to-speed after joining TigerBeetle, I
wanted some background on how distributed consensus and replicated state
machines protocols work. TigerBeetle uses Viewstamped
Replication. But I
wanted to understand all popular protocols and I decided to start...
Louwrentius
Why the iPad will be a breakthrough in human computing
The fact is that computers aren't made for humans. Computers are just made,
and humans have to...
over a year ago
The fact is that computers aren't made for humans. Computers are just made,
and humans have to adjust to them.
The problem is that most people that are not into technology just don't
understand how computers work. Should I single click of double click? Click
left or right?
The...
Louwrentius
Thunderbolt, a cheap high-speed storage interconnect?
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace...
over a year ago
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace both USB and Firewire. It is mainly targeted at end-user systems allowing to connect peripherals with just a single cable to a computer. Thunderbolt devices, like external hard...
Jonas Hietala
Done this, done that. What now?
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Engineers Need Art
Same Stop
Marvelling at the full circle life seems to have taken after retirement.
a year ago
Marvelling at the full circle life seems to have taken after retirement.
Matt Blewitt
Thoughts on User Safety
We need to move beyond mere security and towards safety for our customers and our users. This is how...
over a year ago
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
computers are bad
2023-10-03 overheard overhead
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even...
a year ago
Let's talk about overhead paging. The concept goes by various names: paging,
public address, even intercom, although the accuracy of the latter term can be
questionable. It's probably one of the aspects of business telephone systems
that gets the most public attention, on account...
Posts on Made of...
Reflections on software performance
At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Old Vintage...
So thieves broke into your storage unit - again
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All...
2 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
Louwrentius
Secure caching DNS server on Linux with DJBDNS
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon"....
over a year ago
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet
Name Daemon". However, this software has a bad security track record and is in
my opinion a pain to configure.
Mr. D.J. Bernstein developed "djbdns", which comes with a guarantee: if anyone
finds a...
watchTowr Labs
IBM QRadar - When The Attacker Controls Your Security Stack (CVE-2022-26377)
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide...
8 months ago
Welcome to April 2024.
A depressing year so far - we've seen critical vulnerabilities across a wide range of enterprise software stacks.
In addition, we've seen surreptitious and patient threat actors light our industry on fire with slowly introduced backdoors in the XZ...
lcamtuf’s thing
Building a phosphorescence detector
There's very little written about natural phosphorescence. Let's design a device that can spot it in...
a month ago
There's very little written about natural phosphorescence. Let's design a device that can spot it in the wild.
Louwrentius
Why I do not use ZFS as a file system for my NAS
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I...
over a year ago
Many people have asked me why I do not use ZFS for my NAS storage box. This is a good question and I have multpile reasons why I do not use ZFS and probably never will.
** A lot has changed since this article was first published. I do now recommend using ZFS. I've also based my...
Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
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!
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...
Willem's Blog
Vision Pro
My thoughts on using Vision Pro to get some real work done, exploring what Spatial Computing means...
10 months ago
My thoughts on using Vision Pro to get some real work done, exploring what Spatial Computing means and how it can be useful.
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...
A Quick Garbled Circuits Primer
over a year ago
Willem's Blog
Migrating to the Cloud
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of...
over a year ago
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of cables, cabinets and bandwidth!
computers are bad
2023-03-13 the door close button
This will probably be a short one, and I know I haven't written for a while,
but it has always been...
a year ago
This will probably be a short one, and I know I haven't written for a while,
but it has always been the case that you get what you pay for and Computers
Are Bad is nothing if not affordable. Still, this is a topic on which I am
moderately passionate and so I can probably stretch...
./techtipsy
ThinkPad as a server: third time's the charm
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable...
2 months ago
This is a follow-up to my two previous attempts on this topic:
Can a laptop from 2012 be a viable home server?
ThinkPad as a server: the follow-up
Since then, I’ve had quite a few changes to my home server setup:
I put my home server stuff on an IKEA pegboard
I tried the...
Arduino Blog
On-body LEDs help this guitar rock harder
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that...
7 months ago
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that regard. No, you go to enjoy the show as a whole and that includes the visuals. The more a band can do to make the performance look exciting, the more you’re going to enjoy it. […]
The...
Arduino Blog
Arduino CLI 1.0 is out!
We are excited to share some incredible news with you all! We recently released the Arduino CLI...
3 months ago
We are excited to share some incredible news with you all! We recently released the Arduino CLI version 1.0.0, marking a significant milestone for our software. This release is a big deal because it signifies the stabilization of the software API, bringing greater reliability and...
Electronics etc…
Cable Length Measurement with an HP 8007B Pulse Generator
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [...
a year ago
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ['$', '$'], ["\\(", "\\)"] ],
displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ],
processEscapes: true,
skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Christian Selig
Choosing a travel pack is hard
I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines...
8 months ago
I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines losing your stuff. Outside of requiring a bit more planning, what’s not to love?
Turns out this is a beloved product category with a passionate community behind it, and as a result...
Matt Blewitt
On That Okta LDAP Bug
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance...
2 months ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Vitalik Buterin's...
[Mirror] Cantor was Wrong: debunking the infinite set hierarchy
over a year ago
Posts on Made of...
Reader/reader blocking in reader/writer locks
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition...
over a year ago
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition queue, all future accesses block behind any in-flight reads. Thus, if any readers hold the lock for extended periods of time, this can lead to extreme pauses and loss of throughput...
Jonas Hietala
Postmortem: Sat-E
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here.
The...
over a year ago
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here.
The Good
Motivation
I was really motivated for this dare and it showed in the game and outside it. It’s super hard to make a game in only 48 hours but this time it went pretty well. My...
Good Enough
That time Marvel secretly endorsed my podcast with “the greatest comic book cover of all time”
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a...
a year ago
This is a blog post that has nothing to do with Good Enough, but I was told “There needs to be a record of this somewhere on the internet!” and I don’t have my own blog.
Years ago my friend and I ran a radio show called Gorilla Madness, which we also spun out into a podcast after...
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.
lcamtuf’s thing
How do wood finishes hold up?
A quick 18-month experiment to shed light on traditional woodworking lore.
3 months ago
A quick 18-month experiment to shed light on traditional woodworking lore.
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...
Home on Erik...
Black Box Machine Learning in the Cloud
There's a bunch of companies working on machine learning as a service. Some old companies like...
over a year ago
There's a bunch of companies working on machine learning as a service. Some old companies like Google, but now also Amazon and Microsoft.
Then there's a ton of startups: PredictionIO ($2.7M funding), BigML ($1.6M funding), Clarifai, etc, etc.
Posts on Made of...
A Brief Introduction to termios
If you’re a regular user of the terminal on a UNIX system, there are probably a large number of...
over a year ago
If you’re a regular user of the terminal on a UNIX system, there are probably a large number of behaviors you take mostly for granted without really thinking about them. If you press ^C or ^Z it kills or stops the foreground program – unless it’s something like emacs or vim, in...
computers are bad
2023-04-30 los alamos - compound to county pt II
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly...
a year ago
Where we left off, Los Alamos had become a county, but the town itself
continued to be directly administered by the Atomic Energy Commission (AEC).
The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the
towns it owned by transferring the property to private...
GitButler
The New Era of Town Hall Chat
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
4 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Odds and Ends of...
Why we need seven bins
It's time for some #binchat
2 weeks ago
It's time for some #binchat
Home on Erik...
Fun with trigonometry: the world's most twisted coastline
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
Jonas Hietala
The Little Things in Life
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee...
over a year ago
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee together with the morning paper and other times it’s just a small simple smile from a random stranger, kid or dog. Today when I got this bad headache I got saved by a two hour nap and...
Applied Cartography
Pytest: test for print statements
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
6 months ago
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own love of weird tests, I offer a similar concept: a test for finding stray print statements in your codebase, with a ratchet array for stuff to ignore.
import glob
PATH =...
Jonas Hietala
An intriguing new puzzle
Here’s another game made for the experimental gameplay project:
Slidoku which is a sort of mix...
over a year ago
Here’s another game made for the experimental gameplay project:
Slidoku which is a sort of mix between Rubik’s cube and sudoku. I enjoy puzzles like those and I really enjoyed this one too - it took me a while to beat it but I just love the feeling when you do. If you like...
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
4 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
Home on Erik...
Pareto efficency
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
./techtipsy
Monitoring energy usage with smart plugs, Prometheus and Grafana
This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup...
8 months ago
This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup as those types of
guides tend to get out of date really easily, but if you know your way around Linux and the command line, then you can
definitely replicate this setup on your...
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...
computers are bad
2024-09-14 the national warning system
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and...
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and telephone operating companies sold as private
lines. One of the
interesting properties of private line systems is that they can be ordered as
four-wire. Internally, the telephone network...
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!
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...
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a...
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a better adapter like the
Intel Dual Band Wireless-AC 7260,
and found that Bluetooth is not working as intended on your ThinkPad T430
running Linux?
Here’s a guide on what you can...
Jonas Hietala
Bugger
Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the...
over a year ago
Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the bugs. As a programmer the fight with those nasty bugs are a daily occurrence and now I’ve brought you a chance to kill those nasties too!
The gameplay wasn’t what I was planning on -...
Jonas Hietala
Postmortem: Beebop The Island Hopper
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop...
over a year ago
So I participated in the Ludum Dare for the first time and this is a postmortem of my game Beebop The Island Hopper for the theme Islands.
About Ludum Dare
Ludum Dare is a competition which runs maybe two times a year and the competition is 24 hours long with a specific theme....
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...
2 months 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...
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
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...
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
2 months ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers.
Intel, on the other hand, seems to be taking things in a much different, much...
Vitalik Buterin's...
From prediction markets to info finance
a month ago
./techtipsy
No HDMI port on the ThinkPad T430? No problem!
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is...
5 months ago
The ThinkPad T430 has a few options for running it with an external display:
VGA port, which is pretty much obsolete at this point
mini DisplayPort connector on the laptop itself
DVI or DisplayPort on a dock
The mini DisplayPort port has annoyed me for as long as I’ve had this...
./techtipsy
TOMO M4: probably the coolest power bank I've owned
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting...
a year ago
A friend once showed me a power bank that was so cool that I had to get one
myself. Ended up getting two, and here’s why.
This post is not sponsored.
Removable batteries
Let’s start with the feature that I appreciate the most: removable batteries!
The TOMO M4 accepts up to 4...
Notes on software...
Interview With Phil of DataStation
This is an external interview. Click
here
if you are not redirected.
over a year ago
This is an external interview. Click
here
if you are not redirected.
Home on Erik...
Bagging as a regularizer
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and...
over a year ago
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and get an approximation for the full distribution. This can then be used to penalize predictions with larger uncertainty, which helps reducing false positives.
Matt Mullenweg
WPAI
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some...
3 weeks ago
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some very cool products including CodeWP, AgentWP, and WP.chat.
Notes on software...
Writing a simple JSON parser
Writing a JSON parser is one of the easiest ways to get familiar with
parsing techniques. The format...
over a year ago
Writing a JSON parser is one of the easiest ways to get familiar with
parsing techniques. The format is extremely simple. It's defined
recursively so you get a slight challenge compared to, say, parsing
Brainfuck; and you probably
already use JSON. Aside from that last point,...
computers are bad
2024-09-08 private lines
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs)....
3 months ago
I have been meaning, for some time, to write about common carrier switching
arrangements (CCSAs). These could be considered an early form of products like
"virtual private ethernet:" a private telephone network that was served by the
same switching machines that handled the...
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...
Arduino Blog
Arduino Cloud is now available in AWS Marketplace!
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
3 months ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
GitButler
Stacked Branches with GitButler
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
4 weeks ago
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
Opsbros
Nokia 5110 - Back from the dead. Part 1: Nostalgia
I loved my Nokia 5110 and I wonder if it was possible to breathe new life into this long-shelved and...
over a year ago
I loved my Nokia 5110 and I wonder if it was possible to breathe new life into this long-shelved and still-memed mobile phone. As it turns out, not only is it possible, but it's going to be a lot easier than I anticipated.
Notes on software...
Responsibility and ownership
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn...
over a year ago
Responsibility is only possible by granting ownership and setting
expectations. If you don't turn over ownership, don't expect folks to
take responsibility. When you grant ownership and set expectations,
you'll be astounded what folks will accomplish without you.
I am astounded.
Home on Erik...
Presentations about Spotify music recommendations
A couple of people in my old team have been around talking about how Spotify does music...
over a year ago
A couple of people in my old team have been around talking about how Spotify does music recommendations and put together some quite good presentations.
First one is Neville Li's presentation about Scala Data Pipelines @ Spotify:
Willem's Blog
Linking Lemmid Store with kitchens
Designing backend servers to connect with external services is challenging as you need to take into...
over a year ago
Designing backend servers to connect with external services is challenging as you need to take into account unreliability and unpredictability.
Vitalik Buterin's...
The bulldozer vs vetocracy political axis
over a year ago
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
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