Notes on software...
A Programmer-Friendly I/O Abstraction Over io_uring and kqueue
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Louwrentius
Using ncat to provide SSL-support to non-ssl capable software
Sometimes, people are using software that does not support encrypted
connections using SSL. To...
over a year ago
Sometimes, people are using software that does not support encrypted
connections using SSL. To provide SSL-support to such a client, ncat can be
used. Ncat is part of nmap, the famous port-scanner.
The main principle is that the non-ssl capable software does not connect to
the...
csvbase blog
Take the tools out of 'Data', but don't take the data out of the tools
Using dataframes to write smaller, faster programs
a year ago
Using dataframes to write smaller, faster programs
Jonas Hietala
Mailto: links with FastMail in Firefox
You can change the application to handle mailto: links in Firefox in Preferences -> Applications....
over a year ago
You can change the application to handle mailto: links in Firefox in Preferences -> Applications. The problem is that you can’t input custom urls and some email providers, like hotmail or fastmail, aren’t supported. I managed to fix it with the plugin MailtoWebmails. It annoys me...
lcamtuf’s thing
A 15-minute intro to hobby CNC
In which the author tilts at windmills for a brief while.
3 months ago
In which the author tilts at windmills for a brief while.
Applied Cartography
VC does not guarantee PMF
Two companies that I started following (with no small amount of envy) back in 2021:
Hype (fka Pico)...
a month ago
Two companies that I started following (with no small amount of envy) back in 2021:
Hype (fka Pico) sold to an MMA-themed holdco earlier this year. Raised a $4.5m seed from Stripe and Bloomberg Beta and a $10m Series A; crossed the finish line at $200K ARR after eight years.
Stir...
./techtipsy
How to copy media off of an iPhone the hard way (using Linux)
I helped a family member upgrade to a newer iPhone and make some room so that the internal storage...
3 months ago
I helped a family member upgrade to a newer iPhone and make some room so that the internal storage does not run out.
They had Nextcloud installed on the current phone, but due to limitations of the Nextcloud iOS
app, the backups only take place if the app itself is open, meaning...
Jonas Hietala
My Minions
So I think I made it! It became a pretty different game from what I set out to create, but I’m glad...
over a year ago
So I think I made it! It became a pretty different game from what I set out to create, but I’m glad with how it turned out.
My Minions
Instructions
Build a pathway and then place objects or release minions on it, everything must be on a path. Place musical objects or make the...
Posts on Made of...
Confessions of a programmer: I hate code review
Most of the projects I've been working on today have fairly strict code review policies. My work...
over a year ago
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Gwern.net Newsletter
November newsletter
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
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...
Notes on software...
Checking linearizability in Go
You want to check for strict consistency
(linearizability)
for your project but you don't want to...
a month ago
You want to check for strict consistency
(linearizability)
for your project but you don't want to have to deal with the
JVM. Porcupine,
used by a number of real-world systems like etcd and TiDB, has you
covered!
Importantly, neither Jepsen projects nor Porcupine can...
Home on Erik...
A brief history of Hadoop at Spotify
I was talking with some data engineers at Spotify and had a moment of nostalgia.
2008
I was writing...
over a year ago
I was talking with some data engineers at Spotify and had a moment of nostalgia.
2008
I was writing my master's thesis at Spotify and had to run a Hadoop job to extract some data from the logs.
./techtipsy
Surviving the front page of HackerNews on a 50 Mbps uplink
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the...
over a year ago
Around a month ago I shared my blog post
on HackerNews. I guess I lucked out with the choice of the topic, because it
brought out a lot of enthusiasts who shared their own experiences with older
machinery that still works in 2022. I really appreciate the feedback and...
Applied Cartography
Notes on buttondown.com
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
3 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made.
As...
Willem's Blog
Write your own words
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
Arduino Blog
Arduino partners with RS/OKdo strategically to further expand the China Market
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the...
a month ago
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the distribution of industrial and electronic equipment. This collaboration marks a significant step forward in bringing Arduino’s technology closer to China’s thriving maker community...
Lighthouse Blog
Lighthouse now integrates with mobile reader apps
5 months ago
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Notes on software...
What makes a great technical blog
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely...
8 months ago
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely about non-corporate tech blogs. So this post is
too. I'll have to make another list for favorite corporate tech blogs.
In short, they:
Tackle hard and confusing topics
Show working...
watchTowr Labs -...
We Spent $20 To Achieve RCE And Accidentally Became The Admins Of .MOBI
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding...
3 months ago
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries.
Summary
What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly...
Birchtree
Somehow, more YouTube gems
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them...
2 days ago
Yup, we’re doing this again because you all seem to like them an honestly I kinda like making them 😊
I love Answer in Progress, especially Sabrina’s videos, and she gets about as obsessed with anything she’s ever looked at in this episode (and
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981
In this article, I look inside a chip in the IBM 3274 Control Unit.1
But before I discuss the chip,...
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1
But before I discuss the chip, I need to give some background on mainframes.
(I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.)
Die photo of the Motorola/IBM SC81150...
Good Enough
The Space Between Us
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
Home on Erik...
Plotting author statistics for Git repos using Git of Theseus
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I...
over a year ago
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I have a couple of blog posts in the pipeline about various updates. First up, I made a number of fixes to Git of Theseus which is a tool (written in Python) that generates...
Engineers Need Art
VPX Scripting - Part 2 (Linting)
The second in a series of posts about scripting Visual Pinball tables.
8 months ago
The second in a series of posts about scripting Visual Pinball tables.
./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...
computers are bad
2023-11-04 nuclear safety
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on...
a year ago
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on its own, but deploying nuclear weapons as
operational military assets involves yet more challenges. Nuclear weapons must
be safe and reliable, even with the rough handling and...
Home on Erik...
I already found the best gifs
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From...
over a year ago
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed.
So I googled around and found this post...
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.
Odds and Ends of...
How to fix The Observer
Slow news is good news?
3 weeks ago
On Life and Lisp
Conformant OpenGL 4.6 on the M1
For years, the M1 has only supported OpenGL 4.1. That changes today –
with our release of full...
10 months ago
For years, the M1 has only supported OpenGL 4.1. That changes today –
with our release of full OpenGL® 4.6 and OpenGL® ES 3.2! Install Fedora for the latest
M1/M2-series drivers.
Already installed? Just dnf –refresh
upgrade.
Unlike the vendor’s non-conformant 4.1 drivers, our...
Neil Madden
From KEMs to protocols
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
Vitalik Buterin's...
A Guide to 99% Fault Tolerant Consensus
over a year ago
Jonas Hietala
On The Decline of FPS Games
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games.
https://www.youtube.com/watch?v=W1ZtBCpo0eU
Oh How true!
Gwern.net Newsletter
August 2020 gwern.net newsletter
with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no...
over a year ago
with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no reviews.
Good Enough
My Tears of the Kingdom Addiction
I don’t know how big my internet social bubble really is, but it feels like everyone in the world...
a year ago
I don’t know how big my internet social bubble really is, but it feels like everyone in the world that bubble has been playing a lot of The Legend of Zelda: Tears of the Kingdom lately. Me included! It’s amazing, and I’m thoroughly engrossed—I think I’ve stayed up playing until...
Willem's Blog
Cutting Cloud Costs
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
Matt Blewitt
Tools for a Culture of Writing
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to...
over a year ago
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to each other. With significant room for misunderstanding, biases, assumptions and cultural differences, communicating with other engineers (or to stakeholders) appears fraught....
Matt Blewitt
Thoughts on User Safety: 2
Following up from last time, let’s explore the internal and insider fronts when moving beyond...
over a year ago
Following up from last time, let’s explore the internal and insider fronts when moving beyond security towards safety for our users.
Simply Explained
How I Built an NFC Movie Library for my Kids
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to...
a year ago
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to today, and my children's movie collection is vastly different. It's completely digital and dispersed across services. I wanted to recreate the tangible magic of my childhood for them.
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
./techtipsy
DIY cloud gaming setup with VFIO, Parsec and AMD
This is a follow-up to my previous post where I covered
the VFIO setup in general. For many people...
over a year ago
This is a follow-up to my previous post where I covered
the VFIO setup in general. For many people that would have been good enough, but my goal with this setup was to have a
powerful gaming setup that I could access from my living room PC with 20 meters of Ethernet cables...
Bryan Braun - Blog
The flood of AI website builders
There are so many of them.
instead of markdown to enable lazy-loading -->
How good...
7 months ago
There are so many of them.
instead of markdown to enable lazy-loading -->
How good are these site builders? I don’t know.
Are you worried about job security? I have two thoughts…
1. We’ve seen this before
Wordpress, Squarespace, Shopify, Webflow… all these tools...
Matt Blewitt
Software Sprezzatura
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
csvbase blog
DuckDB isn't just fast
A whistlestop tour of the cool bits of DuckDB
6 months ago
A whistlestop tour of the cool bits of DuckDB
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...
Jonas Hietala
Pushing toward Git
The time has come; it’s time for me to move my source out in the open for the first time.
Repository...
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time.
Repository deleted, never became anything
Available on Github
It’s nothing special really, if you want take a look at the code and help me improve it.
./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
How to customize your Arduino Cloud IoT dashboards on the go
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Computer Ads from...
Bible Research Systems' THE WORD Processor
For Those Who Seek.
5 months ago
Louwrentius
'Tip of the day for every Linux or Unix user: brace expantion'
Searching the web I discovered some really nice feature of the unix shell,
which I didn't know...
over a year ago
Searching the web I discovered some really nice feature of the unix shell,
which I didn't know about.
Try this:
touch foobar.conf
Now try this:
cp foobar.conf{,.bak}
It is equivalent to:
cp foobar.conf foobar.conf.bak
This is also the easiest way to create sequences. Do not use...
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
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...
Good Enough
You Complete Me
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
2 weeks ago
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one or two people who were
only semi-serious about a business), it was fun to play around with building websites.
Shawn and I were truly just playing and exploring, more than anything...
Arduino Blog
This nature-inspired display reacts to ambient sounds
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
computers are bad
2023-10-09 prolific counterfeiting
I'm working on a side project right now, one of several, which involves
telematics devices...
a year ago
I'm working on a side project right now, one of several, which involves
telematics devices (essentially GPS trackers with i/o) from a fairly reputable
Chinese manufacturer. The device is endlessly configurable and so, like you see
with a lot of radios, it has a UART for...
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,...
Arduino Blog
Control your Raspberry Pi GPIOs with Arduino Cloud using Python | Part II
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs...
7 months ago
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs remotely. Well, you have landed in the right place. This article builds upon our previous introduction to “Visualize your Raspberry Pi data with Arduino Cloud | Part I.” Now, we’ll...
Home on Erik...
statself.com
Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Notes on software...
The year in books: 20 to recommend in 2020
This year I finished 47 books, up from last year but not a personal
best. The breakdown was 17...
over a year ago
This year I finished 47 books, up from last year but not a personal
best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30
remain started but unfinished this year.
Non-fiction
The 8 non-fiction books I most recommend are:
Fashionapolis: The Price of Fast Fashion and...
Jonas Hietala
New Year, New Theme: 100 Things
Happy New Year, Everyone! 2009 was great in many ways; I drove a submarine (yeah quite literally), I...
over a year ago
Happy New Year, Everyone! 2009 was great in many ways; I drove a submarine (yeah quite literally), I released 6 experimental games and recently I discovered the completely amazing game Evil Genius but lets try to make 2010 even better!
So let’s forget our small mishaps (yes I’m...
Louwrentius
'Syslog: the hidden security risk'
People sometimes forget that there are also a number of UDP-based services
that may pose a threat to...
over a year ago
People sometimes forget that there are also a number of UDP-based services
that may pose a threat to the security of your systems. SNMP is a well-known
service, notorious for being configured with a default password (or community
string).
But there is another service that is...
lcamtuf’s thing
Electric chainsaws and the gorge of misery
Lithium batteries are great -- so why do mid-size electric power tools suck in 2024?
4 months ago
Lithium batteries are great -- so why do mid-size electric power tools suck in 2024?
Notes on software...
Confusion is a muse
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I...
6 months ago
Some of the most interesting technical blog posts I read come from,
and a common reason for posts I write is, confusion. You're at work
and you start asking questions that are difficult to answer. You spend
a few hours or a day trying to get to the bottom of things.
If you ask a...
Arduino Blog
Move Mario remotely with this online N64 controller system
For obvious reasons, video game console controls provide input commands directly to the console....
a week ago
For obvious reasons, video game console controls provide input commands directly to the console. Modern consoles may do so wirelessly, but the effect is the same: direct input. But what if you connected a “controller” to the internet? Then you could play from anywhere and that is...
Arduino Blog
Repurposing an automatic train control unit as a car speedometer
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to...
3 months ago
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to posted speed limits and maintain their lanes. But trains have been doing the same thing for a long time — well before machine learning and computer vision became ubiquitous. How did...
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...
Buck on Software
The Software Slog
As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
As a newly minted high school grad I had a brief stint as a wildland firefighter.
Jonas Hietala
Swelling with New Shiny Books
So I read the wonderful Design for Hackers and I managed to win some money for books from a course…...
over a year ago
So I read the wonderful Design for Hackers and I managed to win some money for books from a course… So I ran away and ordered some new books, and they just arrived today. Yay!
First off I ordered Introduction to Algorithms which is the de facto book about algorithms and it seemed...
Old Vintage...
Pretty pictures, bootable floppy disks, and the first Canon Cat demo?
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to...
5 months ago
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to get into the operating system and pull some tricks.
from our historical discussion of the Canon Cat, the Cat was designed by Jef Raskin as a sophisticated user-centric computer...
lcamtuf’s thing
Weekend projects: getting silly with C
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
Louwrentius
Achieving 220 MB/s network file transfers using Linux Bonding
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers....
over a year ago
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers. My solution is to use multiple gigabit network cards and use Linux interface bonding to create virtual 2 gigabit network interfaces. The solution is to use mode 0 or round robin...
Good Enough
Our Favorite Video Games Right Now
While everyone at Good Enough is their own kind of nerd, thank you very much, as builders of the web...
a year ago
While everyone at Good Enough is their own kind of nerd, thank you very much, as builders of the web you probably expect that we also play video games. And we do! Well, collectively we do, but not to an unhealthy degree. Usually.
I asked the team to share with me what their...
Arduino Blog
On-body LEDs help this guitar rock harder
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that...
6 months ago
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...
Jonas Hietala
5 Kup
After a season with very bad attendence, I blame school and lack of motivation, I still went to...
over a year ago
After a season with very bad attendence, I blame school and lack of motivation, I still went to grading. I slept well but I was super stressed all weekend so I had to constantly run to the bathroom and I couldn’t eat lunch or breakfast properly, and I don’t usually get...
Jonas Hietala
We can build things!
Finally we have some sort of progress!
We can now build rooms and place and remove objects!
Yay!!...
over a year ago
Finally we have some sort of progress!
We can now build rooms and place and remove objects!
Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
axio.ms
Pickle plus mains
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science.
Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
Jonas Hietala
Mining Incorporated (unfinished)
Download
Linux 64bit
Windows
Timelapse
https://www.youtube.com/watch?v=NIbr-mLi4DU
I made a very...
over a year ago
Download
Linux 64bit
Windows
Timelapse
https://www.youtube.com/watch?v=NIbr-mLi4DU
I made a very serious attempt at making a grand game for Ludum Dare 29. Unfortunately it was a far, far, too big of a game for me to be able to finish it in one weekend. But I had a great...
Notes on software...
First few hurdles writing a Scheme interpreter
I started working on BSDScheme last October, inspired to get back
into language implementation after...
over a year ago
I started working on BSDScheme last October, inspired to get back
into language implementation after my coworker built bshift, a
compiler for a C-like language. BSDScheme is an interpreter for a
(currently small subset of) Scheme written in D. It implements a few
substantial...
Home on Erik...
Software Engineers and Automation
Every once in a while when talking to smart people the topic of automation comes up. Technology has...
over a year ago
Every once in a while when talking to smart people the topic of automation comes up. Technology has made lots of occupations redundant, so what's next?
Switchboard operator, a long time ago
What about software engineers?
Christian Selig
Table of Contents Selector View
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Willem's Blog
Enjoy a festival without alcohol
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during...
over a year ago
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during the music festival.
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
Riding with Omata One
If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
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...
Home on Erik...
Delivering Music Recommendations
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Notes on software...
Interpreting TypeScript
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript...
over a year ago
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript makes much of its functionality
available programmatically. In this post we'll use the TypeScript
compiler API to build an interpreter. We'll build off of a...
Engineers Need Art
Mooncraft 2000
A web-based game, Mooncraft 2000 is released.
over a year ago
A web-based game, Mooncraft 2000 is released.
Home on Erik...
Music recommendations using cover images (part 1)
Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in...
over a year ago
Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in fact a fairly strong visual proxy for what kind of content you can expect from it. I started wondering if the album cover can in fact be used for recommendations.
Avestura's Blog
Understanding zero-knowledge proofs
What are zero-knowledge proofs, really?
over a year ago
What are zero-knowledge proofs, really?
csvbase blog
I didn't write any Javascript, and other shortcuts
Getting it done by not doing a lot of it
a year ago
Getting it done by not doing a lot of it
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
5 months ago
Arduino Blog
Transform trash into treasure with the DIY Bottle Plotter
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline...
3 months ago
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline just for that) and some of it can be quite beautiful. But it usually still ends up in the landfill or, at best, in a recycling center. However, if you’re the type of person who can...
Jonas Hietala
Netrunner Winter Kit Tournament Linköping
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14...
over a year ago
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14 participants. The number of players has grown a lot since the previous tournament which is really great.
As I really wanted to win the wonderful Day Job playmat I went with two of...
Christian Selig
Instant Pan Gesture Interactions
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key...
a year ago
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key takeaways from the videos that one of the presenters, Chan Karunamuni, said is “Look for delays everywhere. Everything needs to respond instantly.” (6:28)
A really great example of...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
a month ago
Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it effectively.
Louwrentius
My experiences with DFS replication on Windows 2008 R2
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2.
I've implemented DFS replication to keep two...
Arduino Blog
Simplifying IoT for smarter manufacturing: Join the chat with Arduino, AWS, and Atlas Machine
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes...
2 weeks ago
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes feel daunting. But what if you could simplify the process and start seeing results quickly? That’s exactly what we’re going to explore in our upcoming Arduino Cloud Café webinar on...
Jonas Hietala
Let's build a VORON: More mods
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and...
9 months ago
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and personalize it.
There a tons of mods you can do, and while I’ve done a few there are lots more that I’d like to do some day.
It’s a wonderful feeling to augment the printer with...
computers are bad
2024-11-23 cablesoft
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful...
4 weeks ago
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful teletext services in the UK and Europe. "Teletext" is
sometimes a confusing term because of its apparent relation to telecom-industry
technologies like the teletypewriter and...
Willem's Blog
Optimising images for the web and performance
Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Make your website faster by optimising the images. This posts explains how you can do this.
watchTowr Labs -...
Palo Alto - Putting The Protecc In GlobalProtect (CVE-2024-3400)
Welcome to April 2024, again. We’re back, again.
Over the weekend, we were all greeted by...
8 months ago
Welcome to April 2024, again. We’re back, again.
Over the weekend, we were all greeted by now-familiar news—a nation-state was exploiting a “sophisticated” vulnerability for full compromise in yet another enterprise-grade SSLVPN device.
We’ve seen all the commentary around the...
Jonas Hietala
Let's build a VORON: Filters
I can print, but the printer is missing a very important thing that I alluded to in the previous...
a year ago
I can print, but the printer is missing a very important thing that I alluded to in the previous post: filtering dangerous particles and fumes.
This is mostly covered by the kit, but I was missing some parts from the print it forward and the kit didn’t include a HEPA...
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:
Matt Blewitt
Control Loops and Rice Cookers
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my...
over a year ago
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my regular diet, and it completely removes the stress of preparing rice. They also operate on a simple principle that can help us operate cloud infrastructure – the control loop.
Posts on Made of...
6.170, CVS, and SVN
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
Louwrentius
'Linux: unattended installation with Debian preseeding'
Debian Linux provides a mechanism to install the operating
system without user intervention. This...
over a year ago
Debian Linux provides a mechanism to install the operating
system without user intervention. This mechanism is called 'preseeding' and is
similar to Red Hat Kick Start and Sun Solaris Jump Start.
The basic idea is that the installer is fed a recipe, according to which the
system...
Louwrentius
Some pretty NAS case designs
If you are planning on building your own NAS box, I have some suggestions
regarding the case.
In my...
over a year ago
If you are planning on building your own NAS box, I have some suggestions
regarding the case.
In my opinion, most computer case designers have absolutely no taste.
Antec and Lian Li do create nice cases, but not that spectacular. And Lian Li is
just very expensive. A fairly new...
Old Vintage...
xa (xa65) 2.4.0 - finally
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
Posts on Made of...
BlackHat/DEFCON 2011 talk: Breaking out of KVM
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the...
over a year ago
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the KVM Kernel Virtual Machine on Linux.
Virtunoid: Breaking out of KVM from Nelson Elhage [Edited 2011-08-11] The code is now available. It should be fairly well-commented, and...
Posts on Made of...
Write testable code by writing generic code
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains...
over a year ago
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains several software engineers nearly as obsessed with software testing as I am):
uhh, so I’m writing some code to handle an econnreset… how do I test this?
This is a good question!...
Gwern.net Newsletter
February 2021 Gwern.net Newsletter
links on AI scaling, semaglutide, and ethicist ethics
over a year ago
links on AI scaling, semaglutide, and ethicist ethics
Applied Cartography
November, 2024
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved,...
2 weeks ago
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved, without fanfare or closure) cough and a dearth of time to write as I started to explore easing back into full-time work.
Still, some writing (and selfishly, I'm excited to end the...
Jonas Hietala
Building the GH60
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share.
The hardware
Several years ago I joined the geekhack forum and I joined in a few group...
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...
Applied Cartography
You should use Helpscout
Was digging through old issues of the personal site and found this draft snippet:
I was evaluating...
10 months ago
Was digging through old issues of the personal site and found this draft snippet:
I was evaluating HelpScout as a potential first step in a series of many, many steps to onboard a dedicated support engineer for Buttondown, and it turns out that the process of adding custom...
Notes on software...
The year in books: 2022
In 2022 I finished 20
books
spanning 15,801 pages. 3 more than I read in 2021, but about twice
the...
a year ago
In 2022 I finished 20
books
spanning 15,801 pages. 3 more than I read in 2021, but about twice
the number of pages. 3 fiction and 17 non-fiction. Another ~30 started
but not finished.
I had a hard time reading books while I was trying to start my own
company. But I also...
Louwrentius
Understanding the Ubuntu 20.04 LTS Server Autoinstaller
Introduction
Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation...
over a year ago
Introduction
Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation process. This includes support for 'preseeding' to create unattended (automated) installations of ubuntu.
the debian installer
With the introduction of Ubuntu Server 20.04 'Focal...
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...
./techtipsy
Back to roots
This blog is running on a home server again.
I have once again gained access to a competent internet...
6 months ago
This blog is running on a home server again.
I have once again gained access to a competent internet connection1, and
I think I have figured out the IPv6 setup as well2, leading to this change.
The IP address is dynamic, there are occasional power outages and I might just
mess up...
Computer Ads from...
Comics from 1982/02 Creative Computing Mag
Time for some humor
6 months ago
Louwrentius
This blog is now running on solar power
Introduction
This blog is now running on solar power.
I've put a solar panel on my balcony, which...
over a year ago
Introduction
This blog is now running on solar power.
I've put a solar panel on my balcony, which is connected to a solar charge controller. This device charges an old worn-out car battery and provides power to a Raspberry Pi ~~3b+~~ 4B, which in turn powers this (static)...
Abort Retry Fail
The History of OS/2
Getting a Divorce
a year ago
Jonas Hietala
Postmortem: Bugger
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this...
over a year ago
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this monthly game business, but it’s only been two months since I first thought about this and here I am having finished my third game. I’ve really come a long way, in the beginning I...
Construction Physics
How China Is Like the 19th Century U.S.
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
a month ago
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
Applied Cartography
Things take time
Things take time.
Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi...
7 months ago
Things take time.
Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi Nintendo & Co., LTD — was established nearly fifty years later, in 1933. They spent forty years selling playing cards, then another decade operating merely as a distributor of...
Jonas Hietala
rustc: error while loading shared libraries: librustc_driver
I had installed and used rust already but today I fired it up and received:
rustc...
over a year ago
I had installed and used rust already but today I fired it up and received:
rustc --version
rustc: error while loading shared libraries: librustc_driver-7e44814b.so: cannot open shared object file: No such file or directory
I’ve seen this before… I thought modifying...
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.
Notes on software...
Writing a simple Python compiler: 1. hello, fibonacci
In this post we'll write a Python to C compiler in Python. This is
especially easy to do since...
over a year ago
In this post we'll write a Python to C compiler in Python. This is
especially easy to do since Python has a builtin parser
library and because a
number of CPython internals are exposed for extension
writers.
By the end of this post, in a few hundred lines of Python, we'll be able...
Lighthouse Blog
How to manage content subscriptions
6 months ago
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we...
4 days ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
Arduino Blog
Why do OTA updates matter in IoT?
Imagine you’ve just installed your state-of-the-art lighting control system, perfectly hidden in a...
6 months ago
Imagine you’ve just installed your state-of-the-art lighting control system, perfectly hidden in a box inside a wall, and everything seems to be working like a charm. But then, you spot a bug in the firmware. The thought of pulling the hardware back out sends shivers down your...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in...
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model
originally released in 2012.
It’s not the fastest laptop out there, but it is plenty fast for a number of
tasks, even most software development work.
I also try to keep my machines up to date and properly...
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method
With Postgres 12,
released in 2019, it became possible to swap out Postgres's storage
engine.
This...
a year ago
With Postgres 12,
released in 2019, it became possible to swap out Postgres's storage
engine.
This is a feature MySQL has supported for a long time. There are at
least 8 different built-in
engines you can pick from. MyRocks, MySQL on
RocksDB, is another popular third-party...
./techtipsy
Stupid project ideas: the War Machine
LinusTechTips has some pretty great videos about building
insane PC and server setups, such...
over a year ago
LinusTechTips has some pretty great videos about building
insane PC and server setups, such as:
unboxing and deploying petabytes of storage
7 gamers, 1 CPU
building sleeper PC-s
testing sketchy CPU-s
opening up a 100TB SSD
I have the ideas, but not the budget of LinusTechTips, so...
Home on Erik...
Building a data team at a mid-stage startup: a short story
I guess I should really call this a parable.
The backdrop is: you have been brought in to grow a...
over a year ago
I guess I should really call this a parable.
The backdrop is: you have been brought in to grow a tiny data team (~4 people) at a mid-stage startup (~$10M annual revenue), although this story could take place at many different types of companies.
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...
Willem's Blog
Replacing a Shimano shift cable
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
Home on Erik...
Implicit data and collaborative filtering
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings.
While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Louwrentius
Fully unattended deployment of Windows clients using limited resources
Introduction
Anyone who ever installed Windows on a computer by hand must have wished for a solution...
over a year ago
Introduction
Anyone who ever installed Windows on a computer by hand must have wished for a solution that automate this task. It's just waiting a lot and pressing a button now and then. But installing the operating system itself is only the beginning. Once installed, you need to...
Notes on software...
Two books I recommend to developers
Originally published on February 1, 2021. The original version
included two books I don't think...
a year ago
Originally published on February 1, 2021. The original version
included two books I don't think are actually so worthwhile. This
list is down to two. I think that's a good thing actually.
These are the books I recommend to developers wanting to improve their
skills as...
Willem's Blog
Designing my own watch
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical...
over a year ago
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical annual calendar designed to be understated and true to the metal.
Gwern.net Newsletter
May Gwern.net Newsletter
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX
Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
Operating Systems Come in Many Flavors But QNX Can Take the Heat
anderegg.ca
More details on Bluesky’s subscription plan
Update: I had missed this, but the Bluesky team had already announced a subscription model was on...
2 weeks ago
Update: I had missed this, but the Bluesky team had already announced a subscription model was on the way. I had written this article assuming that was the news. What is new is the work happening on their official apps, which contains details on features and potential pricing. An...
Construction Physics
What Learning by Doing Looks Like
The evolution of polycrystalline diamond drill bits
a week ago
The evolution of polycrystalline diamond drill bits
Willem's Blog
Search like a pro: Google search operators
Read along for a comprehensive list of advanced Google search operators that allow you to filter...
over a year ago
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
Notes on software...
AOT-compilation of Javascript with V8
tldr; I'm working on a AOT-compiled Javascript implementation called
jsc.
Many dynamically typed...
over a year ago
tldr; I'm working on a AOT-compiled Javascript implementation called
jsc.
Many dynamically typed programming languages have implementations that
compile to native binaries:
Python: Cython
Common Lisp: SBCL
Scheme: Chicken Scheme
The benefits of compiling dynamically typed...
Matt Blewitt
What Is a Senior Engineer, Anyway?
I’ve been having a bunch of conversations with my team about our career ladder, and what it means to...
a month ago
I’ve been having a bunch of conversations with my team about our career ladder, and what it means to be “senior” in a software engineering context. It’s a little different in every company, but here is my view.
Louwrentius
Affordable server with server-grade hardware part II
If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic.
It is recommended to read the old post first. In this new post, I only show new...
Louwrentius
How traffic shaping can dramatically improve internet responsiveness
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are...
over a year ago
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are a mid-size company, bandwidth is clearly a severe constraint. But it was not our biggest problem. Even simple web-browsing was very slow.
As I was setting up a monitoring...
Louwrentius
Additional proof that Apple is ditching the optical drive
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present.
In my life, I never see people use the optical...
GitButler
Git Merge 2024
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
2 months ago
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
Matt Mullenweg
WPAI
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some...
a week 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.
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
4 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one...
over a year ago
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one interesting thing. At least it was
interesting to me.
Background
I had one goal: to try to see if I could turn it into a semi-passive PC by only
turning the fan on when the PC was...
Louwrentius
Compiling Handbrake CLI on Debian Lenny
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although...
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although the Handbrake GUI version does compile on Lenny, it crashes
with a segmentation fault like this:
Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5
and height...
seangoedecke.com RSS...
Acing the design interview
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work...
over a year ago
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work with a particular web service or…
Construction Physics
The Long Road to Fiber Optics
Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
Over the past six decades, advances in computers and microprocessors have completely reshaped our world.
Matt Mullenweg
Automattic Alignment
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
Jonas Hietala
Doing Stuff
The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left...
over a year ago
The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left the standard math course behind a bit. Actually more than a bit but hopefully I’ll correct things later.
No my life is going along just fine, it almost feels like my life is runing...
Construction Physics
Do U.S. Ports Need More Automation?
On October 1st, 47,000 members of the International Longshoremen's Association (ILA), primarily...
2 months ago
On October 1st, 47,000 members of the International Longshoremen's Association (ILA), primarily dockworkers on East and Gulf Coast ports, went on strike after failing to agree contract terms with USMX, an alliance of port operators and employers.
Matt Blewitt
Table Stakes
This is a short post on what I see are table stakes for any new user-facing service, security-wise....
over a year ago
This is a short post on what I see are table stakes for any new user-facing service, security-wise. Mostly focused on user-focused, rather than intra-service, considerations.
lcamtuf’s thing
The untimely demise of an image upscaler
ML-based image enhancement models are great. Unfortunately, some of them are great only once.
3 months ago
ML-based image enhancement models are great. Unfortunately, some of them are great only once.
Nabeel S. Qureshi
Notes on Karl Popper
A woven web of guesses
over a year ago
Jonas Hietala
Writing lessons learned after writing a book
A good writer isn’t born; a good writer is created
It may sound dumb, but one of my reasons for...
a year ago
A good writer isn’t born; a good writer is created
It may sound dumb, but one of my reasons for writing a book was to improve my writing ability.
Maybe I could’ve practiced on the blog instead, but putting things on paper gave it some added weight I don’t think I would’ve gotten...
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...
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
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...
Jonas Hietala
2016 Read Books
Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel...
over a year ago
Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel better I’ll add in some new mangas I’ve read, but I may may have missed some.
Fiction
Crickets
Non-Fiction
Getting to Yes
Relax into Stretch
Thinking, Fast and Slow
59 seconds
The...
Old Vintage...
Scenes from the Solbourne Computer corporate video, March 1992
Solbourne Computer, which for a number of years was probably Sun's most significant early competitor...
a year ago
Solbourne Computer, which for a number of years was probably Sun's most significant early competitor in SPARC-based systems. Solbourne was the first to market in 1989 with multiprocessing SPARC servers based on their custom circuit-switched 108MB/s KBus interconnect, running a...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Willem's Blog
Commuting by bike
One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal...
over a year ago
One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal bike.
Louwrentius
A 12.48 inch (1304x984) three-color e-paper display by Waveshare
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo...
over a year ago
Introduction
Update September 2023: A small horizontal and large vertical row of pixels died. Demo of defective display here.
I'm running a solar-powered blog and I wanted to add a low-power display to show the daily solar 'harvest'1 and maybe some additional information.
So I...
Good Enough
Season 3, Issue 1: Whale, Hello There!
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work,...
a year ago
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work, and there’s only so much time we have, and there was the winter break and Shawn kept getting sick—we have many excuses, how much time do you have?
Gosh, since July of last year?...
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal:
$ ls .cabal/bin/
xmonad@
But still when I...
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...
Lighthouse Blog
Rules improvement: filter based on content
a week ago
csvbase blog
Client libraries are better when they have no API
fsspec is secretly everywhere, and boss
8 months ago
fsspec is secretly everywhere, and boss
Lighthouse Blog
How to stay on top of (new) content
6 months ago
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Louwrentius
What home NAS builders should understand about silent data corruption
Introduction
When it comes to dealing with storage in a DIY NAS context, two important topics come...
over a year ago
Introduction
When it comes to dealing with storage in a DIY NAS context, two important topics come up:
Unrecoverable read errors (UREs) or what old people like me call 'bad sectors'
Silent data corruption (data corruption unnoticed by the storage layers)
I get a strong impression...
Willem's Blog
Lessons from a takeaway plastic bag
How we're tricked into repeated purchases replacing perfectly fine products just for the sake of...
over a year ago
How we're tricked into repeated purchases replacing perfectly fine products just for the sake of change.
Notes on software...
The limitations of LLMs, or why are we doing RAG?
This is an external post of mine. Click
here
if you are not redirected.
6 months ago
This is an external post of mine. Click
here
if you are not redirected.
Home on Erik...
ML+Hadoop at NYC Predictive Analytics
I was just at the NYC Predictive Analytics meetup talking about how we build machine learning...
over a year ago
I was just at the NYC Predictive Analytics meetup talking about how we build machine learning algorithms using Hadoop to power music recommendations.
Great meetup, where we had two speakers, me and Blake Shaw from Foursquare.
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):...
Home on Erik...
Spotify's Discovery page
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage...
over a year ago
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage of all users. Really happy since we have worked on it for the past six months. Here's a screen shot:
Neil Madden
Some incomplete thoughts about Gödel
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve...
over a year ago
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve wanted to write about for some time. Although many articles do a decent job in giving an idea of what the big deal is (and this one is pretty good), they can sometimes give a...
Vitalik Buterin's...
A Prehistory of the Ethereum Protocol
over a year ago
Good Enough
TIL: JavaScript Turbo Stream Requests
I am working on search for Album Whale and I was very confused when my JavaScript fetch requests...
a year ago
I am working on search for Album Whale and I was very confused when my JavaScript fetch requests were not resulting in turbo_stream rendering getting displayed on my page. I checked my logs to see if the render was happening. I looked for missing <%= tags. Debugged and...
Good Enough
Season 3, Issue 2: Britney Coltrane
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I...
a year ago
1. I ❤️HR
The past two weeks Barry and Lettini have been building our next little project, and I tried to deal with the company-side of work: setting up payroll, health insurance, and making sure we’re compliant (hello, bureaucracy!). Back in the day when Danny and I started...
Willem's Blog
Working Offline First
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise...
a year ago
Dive into a digital blast from the past and learn how a 15-year-old ThinkPad X200 can revolutionise your workflow – join my cloud-free adventure today!
Louwrentius
Script that shows smart values of all disks'
Please use this tool on github instead of this ancient script.
So you have a Linux system with a lot...
over a year ago
Please use this tool on github instead of this ancient script.
So you have a Linux system with a lot of hard drives. If you want to quickly check on some key SMART values to determine the health of individual disks, you might be interested in this script.
I wrote a small Python...
Ian's Blog
GitHub Notification Emails Hijacked to Send Malware
As an open source developer I frequently get emails from GitHub, most of these emails are...
3 months ago
As an open source developer I frequently get emails from GitHub, most of these emails are notifications sent on behalf of GitHub users to let me know that somebody has interacted with something and requires my attention. Perhaps somebody has created a new issue on one of my...
Home on Erik...
ML at Twitter
I recently came across this paper describing how they do ML at Twitter.
TL;DR Their approach is...
over a year ago
I recently came across this paper describing how they do ML at Twitter.
TL;DR Their approach is pretty interesting. Everything is a Pig workflow and then they do everything as UDF's.
This approach seems pretty interesting.
Willem's Blog
Tablet as Tool
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and...
a year ago
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and personal experiences to help you maximise the tablet's potential and redefine your workflow.
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem
Introduction
IMPORTANT: Use the Right GPS Antenna!
The Problem: SyncServer Refuses to Lock to...
4 months ago
Introduction
IMPORTANT: Use the Right GPS Antenna!
The Problem: SyncServer Refuses to Lock to GPS
The GPS Week Number Rollover Issue
Making the Furuno GT-8031 Work Again
How It Works
Build Instructions
Power Supply Recapping
The Future: A Software-Only Solution
The...
Vitalik Buterin's...
What else could memecoins be?
8 months ago
Willem's Blog
Updating Snake '97
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Avestura's Blog
Oversimplified ideas of the great philosophers of all times
Ideas of the great philosophers of all times explained in a few lines
a year ago
Ideas of the great philosophers of all times explained in a few lines
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...
Old Vintage...
The Hall SC-VGA-2 video processor, the Atari ST and NeXTSTEP: more tales of the unscreenshotable
A periodic fascination on this blog is figuring out better ways to get better screenshots of our...
3 weeks ago
A periodic fascination on this blog is figuring out better ways to get better screenshots of our classic systems, which often hail from the Wild Wild West/East in terms of video standards (read all entries in this series). Naturally the best way is a bitwise direct grab of the...
Notes on software...
SQLite in Go, with and without cgo
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
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.
axio.ms
Maths is Fun and Useful but Lasers Are More So
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a...
over a year ago
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a perl script for the shape template. For cultural reasons, I wanted to make a gift out of paper and it had to be Heaps Good.
I had finally got access to a laser cutter (omgomg)...
Avestura's Blog
Explaining The Postgres Meme
Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
a year ago
Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
Christian Selig
Curing Mac mini M4 fomo with 3D printing
Spoiler: 3D printed! The colored ports really sell the effect
If you’re anything like me, you’ve...
a month ago
Spoiler: 3D printed! The colored ports really sell the effect
If you’re anything like me, you’ve found the new, tinier Mac mini to be absolutely adorable. But you might also be like me that you either already have an awesome M1 Mac mini that you have no real reason to replace,...
Arduino Blog
Venderoo is an Arduino Mega-powered DIY vending machine
For now-college student Joel Grayson, making something that combined his interests in mechanics,...
2 months ago
For now-college student Joel Grayson, making something that combined his interests in mechanics, electronics, and programming while being simultaneously useful to those around him was a longtime goal. His recent Venderoo project is exactly that, as the creatively named vending...
Odds and Ends of...
Christmas Mailbag!
Is Elon Musk actually smart? Will HS2 ever be properly finished? Do I like Dominic Cummings? And...
3 days ago
Is Elon Musk actually smart? Will HS2 ever be properly finished? Do I like Dominic Cummings? And more!
Notes on software...
Favorite compiler and interpreter resources
This is an external post of mine. Click
here
if you are not redirected.
a year ago
This is an external post of mine. Click
here
if you are not redirected.
./techtipsy
Life is maintenance, maintenance is life
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things.
When I was still an inexperienced junior developer who barely survived operating in a Linux
environment and saw backend development as a black box, I was happy to get...
computers are bad
2024-05-06 matrix
For those of you who are members of the Matrix project, I wanted to let you
know that I am running...
7 months ago
For those of you who are members of the Matrix project, I wanted to let you
know that I am running for the Governing Board, and a bit about why. For those
of you who are not, I hope you will forgive the intrusion. Maybe you'll find my
opinions on the topic interesting anyway.
I...
Jonas Hietala
Hard Work
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well.
I can allow myself a small pause I feel…
Not sure where this is going to end, but I’m having a blast anyway!
computers are bad
2023-06-07 something up there - nasa and uaps
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I am
not addressing the recent claims by David Grusch. This is for a couple of
reasons. First, I am skeptical of Grusch. He is not the first seemingly
well-positioned former...
Push to Prod
Metrics Are The Map, Not The Territory
We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
4 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
computers are bad
2023-07-10 the tragedy of beatrice foods
Occasionally, research into the history of telephony takes you into some
strange places. There are...
a year ago
Occasionally, research into the history of telephony takes you into some
strange places. There are conspiracy theories, of course, and there are people
who insist on their version of events so incessantly that details of dates and
places can become heated arguments. There is also...
Christian Selig
Autonomous Standing Desk and Chair Review
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair...
a year ago
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair Pro chairs in exchange for posting about them on Twitter, and I wanted to cover them in more detail on my blog as well so I could give my full thoughts on them for anyone in the...
Odds and Ends of...
Keir Starmer needs to prepare for a world without America
Today's empires, tomorrow's ashes.
a month ago
Today's empires, tomorrow's ashes.
Applied Cartography
Typesafe routes in Vue
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted.
I built out and...
Posts on Made of...
Why node.js is cool (it's not about performance)
For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Notes on software...
Generating a REST API from a database
I recently published an alpha version of a code generation tool,
DBCore, that reads a...
over a year ago
I recently published an alpha version of a code generation tool,
DBCore, that reads a database
schema from PostgreSQL or MySQL and generates an entire Go API with
CRUD operations, pagination, filtering, and authentication.
But more than just generating code like
xo/xo or...
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library!
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
2 months ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
Notes on software...
Unit testing C code with gtest
This post covers building and testing a minimal, but still useful, C
project. We'll use...
over a year ago
This post covers building and testing a minimal, but still useful, C
project. We'll use Google's
gtest and
CMake for testing C code. This will serve as a
foundation for some upcoming posts/projects on programming Linux,
userland networking and interpreters.
test/CMakeLists.txt...
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Vitalik Buterin's...
The Limits to Blockchain Scalability
over a year ago
Louwrentius
RAID 5 is perfectly fine for home usage
RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you...
over a year ago
RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you run RAID 5 you're told that you are a crazy person.
Using RAID 5 is portrayed as an unreasonable risk to the availability of your data. It is suggested that it is likely that you...
Computer Ads from...
Flash Sale and a Slight Change to Subscriptions
Time for a little business
3 months ago
Time for a little business
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Louwrentius
Solaris is an obsolete platform
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the...
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the Solaris operating system is obsolete. Solaris can be
considered legacy. Sun was a hardware shop and to sell their hardware, they
needed a great operating system.
Sun had a great...
Yazin Alirhayim
The Meem app: it sucks
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch.
That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
./techtipsy
Steam Deck: I like it
I got a Steam Deck.
Only took me a year or so of contemplating getting
one, and trying out HoloISO,...
6 months ago
I got a Steam Deck.
Only took me a year or so of contemplating getting
one, and trying out HoloISO, the unofficial SteamOS installer
finally convinced me to get one.1
It took another year to actually get down to writing down my thoughts on it.
This post is written from the...
Notes on software...
Make your own way
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or...
12 months ago
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or social media in general. I'd go to a meetup
every so often but I'd never make a meaningful connection with people,
whereas everyone else knew each other. I'd join an IRC group and...
Jonas Hietala
2021 in review
A new year is always a good time to review the past year. Funny how this is already the 12th year...
over a year ago
A new year is always a good time to review the past year. Funny how this is already the 12th year I’ve done this kind of quick review… Time sure flies.
2021 Non-Geek Achievements
Started strength training using a strength coach from Kabuki.
I got inspired by the book Peak that...
Louwrentius
Is the iPhone OS a threat to our freedom?
There is one fundamental flaw with both the iPhone and the iPad. As a user,
you do not have full...
over a year ago
There is one fundamental flaw with both the iPhone and the iPad. As a user,
you do not have full control over your device. You can only install or run
software that is approved by Apple.
This is something that is unprecedented. All major platforms, Windows, Linux,
Mac OS X do...
./techtipsy
I encourage you to write a blog
It’s been over 4 years since my first post on this blog.
During those 4 years I’ve written over 90...
3 months ago
It’s been over 4 years since my first post on this blog.
During those 4 years I’ve written over 90 posts, received over 1 million clicks,
a dozen legitimate reader e-mails and thousands of spam e-mails.
And I love it!
I’ve found that writing can be very fulfilling and I encourage...
Vitalik Buterin's...
STARKs, Part 3: Into the Weeds
over a year ago
Vitalik Buterin's...
El recurso escaso más importante es la legitimidad
over a year ago
Home on Erik...
Google diversity memo, global warming, Pascal's wager, and other stuff
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple...
over a year ago
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple of weeks ago. I think the case for any biological difference is pretty weak, and it bothers me when people refer to an “interest gap” as anything else than caused by the...
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Vitalik Buterin's...
The bulldozer vs vetocracy political axis
over a year ago
Notes on software...
Writing a SQL database from scratch in Go: 3. indexes
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions and WHERE filters
4. a database/sql driver
In this post, we extend gosql
to support indexes. We focus on the addition of PRIMARY
KEY constraints on table creation and some easy...
lcamtuf’s thing
Analog filters, part 2: let it ring
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key topology.
GitButler
Why GitHub Actually Won
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
3 months ago
How GitHub _actually_ became the dominant force it is today, from one of it's cofounders.
Good Enough
Fixing Things
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Louwrentius
My home network setup based on managed switches and VLANs
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
My home networking setup
I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear.
So this is my setup (click for a bigger version):
I like to run my own router but...
Jonas Hietala
Why is my file so huge?
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file.
It was 14,6mb!!
Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
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...
Abort Retry Fail
The History of Commodore, Part 1
Chuck Peddle, the 6502, MOS, and the PET
a year ago
Chuck Peddle, the 6502, MOS, and the PET
Willem's Blog
Fietselfstedentocht 2017
Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Cycling the 235KM long Fietselfstedentocht through Friesland
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them.
Protecting that signing key is important, as Apple must blindly trust any binaries...
Arduino Blog
Seaside Sweeper keeps beaches pristine
Without anyone caring for them, beaches quickly become trash-covered swaths of disappointment. That...
7 months ago
Without anyone caring for them, beaches quickly become trash-covered swaths of disappointment. That care is necessary to maintain the beautiful sandy havens that we all want to enjoy, but it requires a lot of labor. A capstone team of students from the University of Colorado...
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Jonas Hietala
MenuCity
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit.
My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Louwrentius
The iPad will be the death of Flash
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that...
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that it lacks support for Adobe Flash. The iPhone does
not support Flash either, and since the iPad is based on the iPhone OS, this
should not come as a surprise.
Now many people see...
Notes on software...
Static analysis with semgrep: practical examples using Docker
In this post we'll get a basic semgrep environment set up in Docker
running some custom rules...
over a year ago
In this post we'll get a basic semgrep environment set up in Docker
running some custom rules against our code.
Existing linters
Linters like pylint for Python or
eslint for JavaScript are great for general,
broad language standards. But what about common nits in code review
like...
csvbase blog
There are 665 open licences, most are pretty rubbish
you are in a maze of twisty licences, all alike
3 months ago
you are in a maze of twisty licences, all alike
Vitalik Buterin's...
Hard Problems in Cryptocurrency: Five Years Later
over a year ago
Willem's Blog
The Ultimate Freedom Bike
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and...
over a year ago
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and wherever you please!
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...
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series
Introduction
Hideo Okawara’s Mixed Signal Lecture Series
Frequency/Phase Movement Analysis by...
11 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...
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit!
With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 months ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Notes on software...
How to get better at recursion
tldr; reimplement standard library functions in your favorite
language without loops.
Background
For...
over a year ago
tldr; reimplement standard library functions in your favorite
language without loops.
Background
For a few years after college I spent a lot of free time doing
projects in Standard ML and Scheme. As a result I got really
comfortable doing recursion. The two big reasons for this...
Good Enough
Lettini is Good Enough
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer…
Who the hell do you think you are?
👋 Hello, I’m...
Arduino Blog
Improve indoor air quality with Arduino
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
7 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
Jonas Hietala
2019 in Review
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on...
over a year ago
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on the past year, and see that I did indeed do some things, and to look ahead a little.
2019 Non-Geek Achievements
Played around with Isidor.
It’s hard to describe how happy a kid can...
axio.ms
Classical virtualisation rules applied to RISC-style atomics
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable...
over a year ago
In 1974, Gerald Popek and Robert Goldberg published a paper, “Formal Requirements for Virtualizable Third Generation Architectures”, giving a set of characteristics for correct full-machine virtualisation.
Today, these characteristics remain very useful. Computer architects will...
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...
Home on Erik...
Optimizing over multinomial distributions
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 +...
over a year ago
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 + ldots + w_n = 1 $$ and $$ 0 le w_i le 1 $$ . Usually, $$ f $$ is concave and differentiable, so there's one unique global maximum and you can solve it by applying gradient ascent.
Applied Cartography
Klarna: nineteen years, twenty billion kroner
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
3 weeks ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Home on Erik...
Analyzing 50k fonts using deep neural networks
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
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...
Good Enough
Say hello to Jelly: the simplest way to jam on email as a team
Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten...
5 months ago
Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten much quieter this year than last, across this blog, our newsletter, and socials. We’ve been heads down for the last few months on something new, but we’re now ready to come back up...
Matt Blewitt
Death, and Utsuge
This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and...
a month ago
This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and Japanese visual novels.
Willem's Blog
The joy of a simple laptop
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the...
over a year ago
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the experience!
./techtipsy
What running out of SATA ports looks like
One day I stumbled upon a Craft Computing video
about his new server build, and on the parts list...
over a year ago
One day I stumbled upon a Craft Computing video
about his new server build, and on the parts list was a Sedna PCI Express 2x SATA adapter card:
There are different designs out there, including a 4x SATA card, which is bonkers.
Anyway, I thought that I might as well give this a...
Home on Erik...
Buffet lines are terrible, but let's try to improve them using computer simulations
My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives....
over a year ago
My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives. I've suspected for years that the “classic” buffet line system is a deeply flawed and inefficient method, and every time I'm stuck in the line has made me more convinced.
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...
Arduino Blog
This fake CRT TV works using lasers and UV magic
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media...
3 weeks ago
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media was made to suit them. Retro video game consoles in particular look best on CRT TVs. But those old TVs are getting hard to find and desirable models are now quite expensive. So,...
computers are bad
2024-07-20 minuteman missile communications
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad...
5 months ago
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad and wikimap that are going to
involve a lot more recurring expense. For that and other reasons, I want to see
if y'all would be willing to throw some money my way. If everyone...
On Life and Lisp
Clip control on the Apple GPU
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in...
over a year ago
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver
After a year in development, the open source “Asahi” driver for the Apple GPU is running real games. There’s more to do, but Neverball is already playable (and a lot of fun!).
Neverball uses legacy “fixed...
Lars Lofgren
How Live Chat Tools Impact Conversions and Why I Launched a Bad Variant
Do those live chat tools actually help your business? Will they get you more customers by allowing...
over a year ago
Do those live chat tools actually help your business? Will they get you more customers by allowing your visitors to chat directly with your team? Like most tests, you can come up with theories that sound great for both sides. Pro Live Chat Theory: Having a live chat tool helps...
Jonas Hietala
2015 Read Books
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song...
over a year ago
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good.
Fiction
A Song of Ice and Fire: A Dance with Dragons - George R.R. Martin
Reread.
A Knight of the Seven Kingdoms - Gearge R.R. Martin
The Skin Collector - Jeffery Deaver
Best Served Cold - Joe...
Home on Erik...
More Luigi: Presentation from OSCON
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about...
over a year ago
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about Luigi:
Next week I'm presenting at the NYC Predictive Analytics meetup together with Blake Shaw from Foursquare.
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
IKEA $50 VINDSTYRKA vs. $290 Dylos air quality monitor
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with...
a year ago
This is a brief article in which I compare the IKEA VINDSTYRKA $50 air quality monitor (PM2.5) with a $290 air quality monitor made by Dylos to see if it's any good.
Context
If you care about indoor air quality, you may already own a CO2 to determine if it's time to ventilate...
./techtipsy
Cool projects
This is an unsorted list of projects that really cool and neat.
Chromebook cluster
someone took...
a year ago
This is an unsorted list of projects that really cool and neat.
Chromebook cluster
someone took some old Chromebooks, stripped them down and built a cluster. I love this kind of jank!
Home on Erik...
Pinterest open sources Pinball
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two...
over a year ago
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two blog posts: Pinball: Building workflow management (from 2014) and Open-sourcing Pinball (from this week). The author has a comment in the comments thread on Hacker News:
Arduino Blog
Introducing Opta Expansions: scalable simplicity!
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and...
7 months ago
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and allowed us to reach PLC engineers with a new solution specifically designed for their needs. To further expand Opta’s capabilities, today the Arduino ecosystem welcomes various...
Applied Cartography
Pytest: test for print statements
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
5 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 =...
Computer Ads from...
ViaGrafix Computer Training Videos
Learn...by Simply Watching TV
a month ago
Learn...by Simply Watching TV
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