Posts on Made of...
Testing and feedback loops
Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model.
As mentioned in an earlier post, I think a lot about working in...
Notes on software...
Generating a full-stack application from a database
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated...
over a year ago
DBCore can now generate a TypeScript/React CRUD
UI that is automatically hooked up to the generated REST API (in Go).
The UI has full support for login, viewing (and filtering), editing,
and creating database entities.
PostgreSQL, SQLite and MySQL are supported.
How to use?
The...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s?
I wasn’t happy with my “one machine that does it all”
setup, which is why I finally bit the bullet...
over a year ago
I wasn’t happy with my “one machine that does it all”
setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit.
This is a fantastic little desktop PC kit that is very small, quiet and can
still be configured to have ridiculous amounts of...
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
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Old Vintage...
Adding a cooling fan to the Commodore 128DCR
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a...
a year ago
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a hot, horrid summer in Floodgap Very Sub-Orbital Headquarters and I was somewhat concerned about the heat in the house computer lab even with the A/C cranked up to "Vegas weekend for...
Lars Lofgren
The 9 Delusions From the Halo Effect
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of...
over a year ago
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of companies that have rocketed to success. Especially in tech, there’s always another $1 billion unicorn around the corner. Uber, Facebook, Airbnb, Slack, Zenefits, Box, Shopify, yadda...
Jonas Hietala
Language spec in code blocks
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it.
It was to display the highlighted language in code blocks:
The code spec displays what programming language the code...
Posts on Made of...
Implementing a declarative mini-language in the C preprocessor
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time,...
over a year ago
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time, I want to talk about the tricks I used to implement a declarative minilanguage using the C preprocessor (and some GCC extensions).
The Problem We want to write some toplevel...
Louwrentius
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...
Home on Erik...
Wikiphilia
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles...
over a year ago
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles worth sharing and that's why I created the wikiphilia Twitter handle. Just a long stream of stuff that for one reason or another may be interesting.
Home on Erik...
The hacker's guide to uncertainty estimates
It started with a tweet:
New years resolution: every plot I make during 2018 will contain...
over a year ago
It started with a tweet:
New years resolution: every plot I make during 2018 will contain uncertainty estimates
— Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Abort Retry Fail
Unboxing New Old Stock Windows 3.11
A Photo Gallery
a year ago
computers are bad
2023-11-25 the curse of docker
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of
industry extravaganza...
a year ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of
industry extravaganza there could be. In that spirit, I thought I would write
something quick and oddly professional: I'm going to complain about Docker.
Packaging software is one of those fundamental...
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
Willem's Blog
Commuter bike checkup
This week my trustworthy commuter bike started making strange squeaking noises when braking, time to...
over a year ago
This week my trustworthy commuter bike started making strange squeaking noises when braking, time to have a look at the bike after 21.000KM!
Notes on software...
Obsession
In your professional and personal life, I don't believe there is a stronger motivation than having...
4 months ago
In your professional and personal life, I don't believe there is a stronger motivation than having something in mind and the desire to do it. Yet the natural way to deal with a desire to do something is to justify why it's not possible.
"I want to read more books but nobody reads...
Simply Explained
Secure Home Assistant Access with Cloudflare and Ubiquiti Dream Machine
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But...
over a year ago
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But how do you safely expose your instance to the internet for remote access?You want to be able to log in from a remote location, but how to keep others out? This post will show how...
Jonas Hietala
IDA Summer of Code 2014: Summary
This is a wrap-up post of my entry to IDA Summer of Code this year.
Quick stats
65 merged...
over a year ago
This is a wrap-up post of my entry to IDA Summer of Code this year.
Quick stats
65 merged commits
6790 lines added
2822 lines deleted
36 pull requests, 34 merged
12 pull requests directly fixing issues
rest either documentation or cleanup
1 RFC submitted...
Electronics etc…
Symbolic Reference and Hardware Models in Python
The Traditional Hardware Design and Verification Flow
An Image Downscaler as Example Design
The...
a week ago
The Traditional Hardware Design and Verification Flow
An Image Downscaler as Example Design
The Reference Model
The Micro-Architecture Model
Comparing the results
Conversion to Hardware
Combining symbolic models with random input generation
Specification changes
Things to...
Jonas Hietala
Ugly and Slow Progress
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I...
over a year ago
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I have an idea and it might be good, all I need to do is execute it. Right?
Programmer graphics coming to take you away!
Anyway it’s going to be a risk-like game with a twist: you can...
Louwrentius
Building a RAID 6 array of mixed drives
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect...
over a year ago
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect movies in full DVD or HD quality and so I need some
storage.
I decided to build myself a NAS box based on Debian Etch. Samba is used to
allow clients to access the data. The machine...
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
over a year ago
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
Louwrentius
20 disk 18 TB RAID 6 storage based on Debian Linux
This system is no longer operational and has been decomissioned (2017)
This is my NAS storage server...
over a year ago
This system is no longer operational and has been decomissioned (2017)
This is my NAS storage server based on Debian Linux. It uses software RAID and 20 one
terrabyte hard drives. It provides a total usable storage capacity of 18 terrabytes in a single RAID 6 array.
One of the...
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz?
Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Matt Blewitt
Shunn
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
7 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Arduino Blog
This smart spice box makes cooking a breeze
Many people shy away from cooking because they’re overwhelmed by all of the different steps and...
6 months ago
Many people shy away from cooking because they’re overwhelmed by all of the different steps and ingredients. Recipes are useful, but they aren’t very intuitive to those who are more comfortable with visual thinking. To help these people enjoy the cooking experience, Purdue...
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
10 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
Home on Erik...
Tumblr's awesome project names
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about...
over a year ago
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about their projects named after Arrested Development topics: Gob, Parmesan, Buster, Jetpants, Oscar, George and Motherboy.
Still, the best software project name is probably still Apple's...
Posts on Made of...
Property Testing Like AFL
In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Jonas Hietala
Understanding the Computer
When I discovered programming it felt like a whole new world opened up for me with endless...
over a year ago
When I discovered programming it felt like a whole new world opened up for me with endless possibilities. It granted unlimited power and I could create virtually anything and it explained so much to me - how did a program work? How could you make a game or a website? But there...
Lighthouse Blog
Improvements and fixes: December 2024
3 days ago
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...
Posts on Made of...
Finding near-duplicates with Jaccard similarity and MinHash
Suppose we have a large collection of documents, and we wish you identify which documents are...
6 months ago
Suppose we have a large collection of documents, and we wish you identify which documents are approximately the same as each other. For instance, we may have crawled the web over some period of time, and expect to have fetched the “same page” several times, but to see slight...
Engineers Need Art
Experiments in Printmaking - Part 1
Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
9 months ago
Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
Computer Ads from...
Comics from 1983/08 Today Mag
Time for some levity. The following comics were all found in the August 1983 issue of Today...
9 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
Posts on Made of...
A Very Subtle Bug
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
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
Willem's Blog
Free from the iCloud: Escaping Apple Photos
Recently I freed myself from Apple Photos, using free software to manage my photo library. Read...
over a year ago
Recently I freed myself from Apple Photos, using free software to manage my photo library. Read along to find out what software I use and how to make it play nice with your devices.
Old Vintage...
MacLynx beta 5: UTF-8, pull-down menus and more dialogue boxes, oh my!
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System...
a year ago
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System 7-compatible port of the venerable text browser Lynx for classic 68K Macintoshes (and Power Macs) running A/UX 3.x or System 7.x and later. There's still more to do, but a lot has...
Good Enough
Why We're Writing Blog Software
We’re seven months into our Cosmic Maelstrom
and we have started writing blogging software.
What the...
a year ago
We’re seven months into our Cosmic Maelstrom
and we have started writing blogging software.
What the why?!
First, let me say that, yes, I do realize there are probably 100s of blog software options out there.
In terms of static-site generators (SSGs) alone, there are probably...
axio.ms
Axio.ms site refresh
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4...
over a year ago
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4 years, I’m still alive”.
The original axio.ms site was a very HTML1.0 affair and while this was kind of intentional-tongue-in-cheek-chic, it was also a PITA to update. It wasn’t...
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!
Willem's Blog
Is the Apple Watch the modern tool watch?
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
over a year ago
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Christian Selig
Logging information from iOS Widgets
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home...
over a year ago
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home screen widgets, and some well-placed logs can really help with identifying what’s going wrong. iOS has a sophisticated built in logging mechanism, os_log, and now with SwiftLogger in...
Willem's Blog
Born with MCADD
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
Willem's Blog
Art of visualisation
You learn from experts if you have the privilege to work with them, this month I had a chance to...
over a year ago
You learn from experts if you have the privilege to work with them, this month I had a chance to help a professional food photographer.
computers are bad
2024-06-02 consumer electronics control
In a previous episode, I discussed audio
transports
and mention that they have become a much less...
7 months ago
In a previous episode, I discussed audio
transports
and mention that they have become a much less important part of the modern home
theater landscape. One reason is the broad decline of the component system:
most consumers aren't buying a television, home theater receiver,...
GitButler
Stacked Branches with GitButler
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
a month ago
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
Matt Blewitt
Long Distance Relationships
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Computer Ads from...
1988 Interview Between Scott McNealy of Sun Microsystems and MicroTimes
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
6 months ago
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience
I like Fedora Linux.
It’s the Linux distro that stopped my habit of distro-hopping. Big
deal? Ooh,...
2 months ago
I like Fedora Linux.
It’s the Linux distro that stopped my habit of distro-hopping. Big
deal? Ooh, big deal!
It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box.
It also ships with a fresh Linux kernel version1,...
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Engineers Need Art
Building Quarter-Cab - Phase I
Lets build a simple virtual pinball controller to bring more immersion to your game.
8 months ago
Lets build a simple virtual pinball controller to bring more immersion to your game.
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.
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...
OH8HUB’s Substack
Eliminating Radio Interference from Apple charger
Apple's product design teams should do a better job eliminating unwanted radio frequency emissions...
a year ago
Apple's product design teams should do a better job eliminating unwanted radio frequency emissions from their product!
Louwrentius
Shunit2, unit testing for shell scripts
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts...
over a year ago
This may be of interest to people who are as stupid as I am and write
elaborate shell scripts instead of using a proper scripting language such as
Python or Ruby. No I am deliberately not mentioning Perl here.
Anyway, testing is always an issue. With PPSS, I encountered many...
Louwrentius
Most Technical debt is just bullshit
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
Introduction
I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to:
cover up bad code
cover up unfinished work
source1
Calling...
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
9 months ago
Jonas Hietala
Before the Games: The Site
I’ve got some things I want to do before I start with my next game and they’re all about improving...
over a year ago
I’ve got some things I want to do before I start with my next game and they’re all about improving the site. The last week or so has been extremely productive with me throwing out a lot of wasted code, speeding up the site and adding/removing features and I want to continue with...
Posts on Made of...
amd64 and va_arg
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t...
over a year ago
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t support the va_arg intrinsic, used by functions to accept multiple arguments, at all on amd64. It turns out that clang and llvm-gcc, the compilers that backend to LLVM, have their own...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti)
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
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...
2 months 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...
./techtipsy
Turning leftover PC parts into a decent gaming PC
Introduction
About a year ago, I bought an used PC based off of
a Lenovo Erazer X510. It had a...
over a year ago
Introduction
About a year ago, I bought an used PC based off of
a Lenovo Erazer X510. It had a dual-core Intel Pentium
G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like
that, a budget gaming PC was born. My...
Matt Mullenweg
Falling Snow
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
2 weeks ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Home on Erik...
Pareto efficency
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
Home on Erik...
Microsoft's new marketing strategy: give up
I think it's funny how MS at some point realized they are not the cool kids and there's no reason to...
over a year ago
I think it's funny how MS at some point realized they are not the cool kids and there's no reason to appeal to that target audience. Their new marketing strategy finally admits what's been long known: the correlation between “business casual” and using Microsoft products:
Good Enough
TIL: Turbo Stream broadcasting needs default_url_options to be set
We've been using Turbo Streams in some of our recent prototypes, which makes it really easy and fun...
a year ago
We've been using Turbo Streams in some of our recent prototypes, which makes it really easy and fun to get responsive and fun interactions set up. However, we kept having issues with images sent in a turbo stream response.
If the response was delivered by a normal controller...
computers are bad
2023-06-30 calling in the alarm
I currently find myself on vacation in the Canadian Rockies, where internet is
hard to come by. But...
a year ago
I currently find myself on vacation in the Canadian Rockies, where internet is
hard to come by. But here's something short while I'm temporarily back in the
warm embrace of 5G: more about burglar alarms. I recently gave a presentation
on this topic and I'll probably record it for...
Arduino Blog
Kick off the Monaco Grand Prix weekend with these Formula 1-inspired Arduino projects
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the...
7 months ago
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the season. While most fans can’t participate directly — except as spectators — they can celebrate their passion through DIY projects. That’s why we’ve scoured the community to find the...
Louwrentius
Finding a good blu-ray player for Mac OS X
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare.
To play a Blu-ray movie, you have to perform these steps:
right-click on the BDMV file
choose 'show packet contents'
go to...
Vitalik Buterin's...
How do layer 2s really differ from execution sharding?
7 months ago
./techtipsy
Shrinkflation, SanDisk style
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that...
a year ago
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that you
notice after formatting the device in an OS. Please read the article in full before
making inaccurate comments online.
For many years, I have used two SanDisk Ultra 16 GB USB flash...
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
11 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
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...
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support.
Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download.
First,...
Birchtree
Apple’s 2024 report card: Vision Pro 👓
This is the fifth and final post in a series of posts reviewing Apple’s 2024 across their major...
6 days ago
This is the fifth and final post in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s Vision Pro report card here.
Year one of Vision Pro
This is a bit of
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Arduino Blog
A DIY bottle-labeling machine perfect for homebrewers
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires...
6 months ago
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires regulated gas and large refrigeration space. A keg is also more difficult to transport and overkill if you just want to bring a few beers to a friend’s backyard BBQ. For those reasons,...
Construction Physics
Morris Chang and the Origins of TSMC
Book review of the autobiography of Morris Chang.
5 days ago
Book review of the autobiography of Morris Chang.
Jonas Hietala
How I did the layout for my self-published book
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version.
I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things.
Web page
I started...
Jonas Hietala
Black and White
Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a...
over a year ago
Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a game where graphics where included into the gameplay but sadly it didn’t come out nearly as good as I expected it too.
Yes I know there are a lot of things bad and wrong with this...
Birchtree
How Flight Simulator helped my flying anxiety (members post)
It turns out video games really can impact how you view the world.
4 weeks ago
It turns out video games really can impact how you view the world.
./techtipsy
Self-hosting Wikipedia using Kiwix
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super...
over a year ago
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super User?
It’s easier than you think!
Step 1: download stuff!
The Kiwix project provides ZIM files for many popular websites, including Wikipedia.
These files can be downloaded over at Kiwix...
csvbase blog
You can't just assume UTF-8
How to infer character encodings with statistics
8 months ago
How to infer character encodings with statistics
Jonas Hietala
The games that make me who I am
I read an article the other day where he met someone who didn’t read fiction:
He suggested that...
over a year ago
I read an article the other day where he met someone who didn’t read fiction:
He suggested that fiction was a waste of his time — he read to learn, not for "mere" entertainment
I don’t agree with this view and neither did he:
Fiction allows you to be part of situations that are...
Arduino Blog
This machine automatically creates chain art
Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!)
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Jonas Hietala
Habits to start
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
./techtipsy
Steam local network game transfers are a game-changer
Steam recently launched a new feature: local network game transfers.
The idea is simple: if you have...
a year ago
Steam recently launched a new feature: local network game transfers.
The idea is simple: if you have a game downloaded on another PC and you’re both on the same local network, then Steam can download game data
from that PC, avoiding the need to download the game over public...
Jonas Hietala
Eduroam for wicd in Linkoping's University
So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost.
Save the following as /etc/wicd/encryption/templates/ttls-80211:
name = TTLS for Wireless
author =...
Jonas Hietala
Food vacation in Japan
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
over a year ago
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
Jonas Hietala
CS:GO AWP Nerf
When this man opens his mouth, truth comes out.
https://www.youtube.com/watch?v=rsFnJYJ2buU
If I...
over a year ago
When this man opens his mouth, truth comes out.
https://www.youtube.com/watch?v=rsFnJYJ2buU
If I ever make a game and I want someone to balance it and I had the money, I would hire Thorin.
./techtipsy
HoloISO: the unofficial Steam Deck experience on your PC
If you have spent any time in gaming hardware circles, then you’ve probably
heard about the Steam...
over a year ago
If you have spent any time in gaming hardware circles, then you’ve probably
heard about the Steam Deck, the
Linux-based handheld gaming PC built by Valve. Yes, you heard that right: not
Windows, but Linux.
I’ve had my fair share of attempts at gaming on Linux. When it works,...
Louwrentius
Monitor power usage with your UPS
If a system is connected to a UPS (Uninterruptible Power Supply), it is
possible to determine how...
over a year ago
If a system is connected to a UPS (Uninterruptible Power Supply), it is
possible to determine how much power it consumes. For this purpose, I wrote a
small script:
Host:~# ./ups.sh
UPS model: Back-UPS RS 1200 LCD
APC model: Back-UPS RS 1200 LC
Capacity: 720 Watt
Load: 18...
Vitalik Buterin's...
Travel time ~= 750 * distance ^ 0.6
a year ago
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50%
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Matt Blewitt
Everything I Know About Operations, I Learned From NHS 111
Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context...
over a year ago
Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context of incidents at your company? Although mostly true, I want to talk about a time in my career when sometimes, just sometimes, it was the latter, and how it shaped my approach to...
Birchtree
Gemini 2.0: speed and deep research impress
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today...
3 weeks ago
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today we’re excited to launch our next era of models built for this new agentic era: introducing Gemini 2.0, our most capable model yet. With new advances in multimodality —
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
11 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
Buck on Software
Vertical Aggregation
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
over a year ago
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
Jonas Hietala
Postmortem: The Chronicles of Bim: The 100 Fake Afros
My first shooter! It’s working (although a friend got a null pointer error) so I’m a little...
over a year ago
My first shooter! It’s working (although a friend got a null pointer error) so I’m a little happy.
The Time
I spent about 24 hours on this game. A whopping 30% was break time, mostly me eating, reading manga or playing games… This is proof of me being really lazy this month I...
computers are bad
2023-03-13 the door close button
This will probably be a short one, and I know I haven't written for a while,
but it has always been...
a year ago
This will probably be a short one, and I know I haven't written for a while,
but it has always been the case that you get what you pay for and Computers
Are Bad is nothing if not affordable. Still, this is a topic on which I am
moderately passionate and so I can probably stretch...
Home on Erik...
Language pitch
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain...
over a year ago
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain languages are simply pronounced with lower or higher pitch. Whether this is a feature of the language or more a cultural thing is a good question, but there are some substantial...
Arduino Blog
Meet Mr. Wallplate, an animatronic wall plate that speaks to you
Interactive robots always bring an element of intrigue, and even more so when they feature unusual...
7 months ago
Interactive robots always bring an element of intrigue, and even more so when they feature unusual parts and techniques to perform their actions. Mr. Wallplate, affectionately named by Tony K on Instructables, is one such robot that is contained within an electrical wall plate...
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...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Jonas Hietala
October theme says: Numbers
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible.
But this time I’m pleasantly surprised.
The Lenovo ThinkPad P14s gen 4 has great specs:
CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz)
GPU:...
Opsbros
Debug Header
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
Abort Retry Fail
The History of Commodore, Part 4
The Amiga, The Decline, The Fall
a year ago
The Amiga, The Decline, The Fall
Odds and Ends of...
Odds and Ends #49: How bat protection regulations broke Britain's planning system
Plus how Europe isn't *all bad* at growth, why every Netflix film is forgettable, and why you should...
6 days ago
Plus how Europe isn't *all bad* at growth, why every Netflix film is forgettable, and why you should visit Jimmy Carter's hometown.
lcamtuf’s thing
Against the hydraulic analogy
The most popular tool for teaching electronics makes the trade harder to learn.
a week ago
The most popular tool for teaching electronics makes the trade harder to learn.
Louwrentius
Understanding Storage Performance - IOPS and Latency
Introduction
The goal of this blogpost is to help you better understand storage performance. I want...
over a year ago
Introduction
The goal of this blogpost is to help you better understand storage performance. I want to discuss some fundamentals that are true regardless of your particular needs.
This will help you better reason about storage and may provide a scaffolding for further learning....
./techtipsy
Recovering a password-protected ThinkPad T60
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use
by a family member...
over a year ago
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use
by a family member before that, and I started its cleanup by disassembling the
whole machine and making sure that it was pristine. However, once I put it all
back together, I saw that it was password...
Simply Explained
My Sixth Year as YouTube Creator (statistics + retrospective)
Every new year I reflect on the previous year and set new goals. Last year has been my most...
over a year ago
Every new year I reflect on the previous year and set new goals. Last year has been my most successful year on YouTube so far, and I'd like to share some statistics and thoughts. I will also go over how my email newsletter is doing and where I'm headed. And finally, I'll set...
Computer Ads from...
NCR PC4i
Growing with your needs
a week ago
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.
Push to Prod
Comprehension of Concurrency is a Lifelong Journey
Accept that your understanding is imperfect. There is comfort in letting go.
5 months ago
Accept that your understanding is imperfect. There is comfort in letting go.
Simply Explained
Shelly 2.5 + ESPHome: potential fire hazard + fix
If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin...
over a year ago
If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin will be short-circuited and cause the unit to heat up significantly, creating a potential fire hazard!
Posts on Made of...
Suggestion time: What should I blog about?
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list.
But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
Jonas Hietala
My Dream Game: The Tycoon
I’ve been playing Starcraft 2 a little this christmas. It wasn’t dead serious 1v1 which really is my...
over a year ago
I’ve been playing Starcraft 2 a little this christmas. It wasn’t dead serious 1v1 which really is my favorite but I’ve played 2v2 with some friends and I actually played the campaign a bit and it was pretty fun! Usually I never play the campaign on RTS games but this one I liked....
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Applied Cartography
Globals in Histoire
Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to...
9 months ago
Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to Storybook — a little bit uglier, with worse documentation and a couple rough edges, but much more tightly integrated with Vue and Vite. [1]
One thing that was not particularly...
Louwrentius
Switching away from Debian to Ubuntu LTS
Over the last couple of years, Debian Linux has released new stable versions about every two years....
over a year ago
Over the last couple of years, Debian Linux has released new stable versions about every two years. This pace is great for progress, but there is a serious problem. This problem is related to their support for older Debian stable versions.
If you read the quote below from the...
Posts on Made of...
Computers can be understood
Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially...
over a year ago
Introduction This post attempts to describe a mindset I’ve come to realize I bring to essentially all of my work with software. I attempt to articulate this mindset, some of its implications and strengths, and some of the ways in which it’s lead me astray.
Software can be...
Notes on software...
Metaprogramming in Zig and parsing CSS
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it....
a year ago
I knew Zig supported some sort of reflection on types. But I had been
confused about how to use it. What's the difference between
@typeInfo and @TypeOf? I ignored this aspect of Zig until a
problem came up at work where reflection
made sense.
The situation was parsing and storing...
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
4 months ago
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's how we managed to survive.
Bryan Braun - Blog
Links #10
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast...
5 months ago
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast guest. It puts you in the shoes of a podcaster, showing you what they need, and how you can be a “sure thing” for them. As usual, there are no short cuts. You gotta do the work!
A...
Applied Cartography
Content debt
There’s a nascent trend of releasing ostensibly-private material (changelogs, public wikis,...
6 months ago
There’s a nascent trend of releasing ostensibly-private material (changelogs, public wikis, handbooks, etc.) to the public as a bit of a marketing push. This is essentially a form of debt, to the extent that you’re taking a lump-sum payment now in exchange for the implicit cost...
Applied Cartography
Applied Cartography × People & Blogs
There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that.
To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
On Life and Lisp
OpenGL 3.1 on Asahi Linux
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
Jonas Hietala
2012 Read Books
I read a post, sadly lost the link, where the author had recorded all books she had read during the...
over a year ago
I read a post, sadly lost the link, where the author had recorded all books she had read during the year and I thought it’d be pretty fun to do. So here goes, in a mostly ordered list.
The Art of Learning - Josh Waitzkin
Världens Whiskey
More of a reference book.
Linear Algebra...
Jonas Hietala
Offset coordinates in Krita with Xinerama
I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want...
over a year ago
I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want to learn how to draw. And what better way to do it than with a drawing tablet, while satisfying my need for new things?
With little experience I boldly set forth and I found a...
Posts on Made of...
DEF CON
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve...
over a year ago
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve been at the con, and it wasn’t really what I expected. Frankly, I walked away feeling kinda underwhelmed.
Very few of the talks were as technical as I was hoping – they were almost...
Posts on Made of...
What MongoDB got Right
MongoDB is perhaps the most-widely-mocked piece of software out there right now.
While some of the...
over a year ago
MongoDB is perhaps the most-widely-mocked piece of software out there right now.
While some of the mockery is out-of-date or rooted in misunderstandings, much of it is well-deserved, and it’s difficult to disagree that much of MongoDB’s engineering is incredibly simplistic,...
Arduino Blog
Use sound to trigger your camera’s flash with this DIY device
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo...
2 months ago
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo (not too bright or too dark), you need a balance of aperture size (how much light gets in), shutter speed (how long the light gets in), and ISO (sensitivity to light at the expense of...
Notes on software...
A database without dynamic memory allocation
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Notes on software...
How to recommend books, or, stop recommending SICP
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance...
over a year ago
Many "must-read" books are not well-written. I try to read a
lot, but I
still have a low tolerance for bad writing and bad editing. I write
this post both to discourage thoughtless recommendations and to
encourage the receivers of bad recommendations.
For software developers,...
Arduino Blog
Why is STEAM education important for kids? 6 activity tips
School’s out for summer – at least for most of us. While the majority of children (and teachers!)...
6 months ago
School’s out for summer – at least for most of us. While the majority of children (and teachers!) will probably be breathing a huge sigh of relief, parents face a new challenge: how to keep kids engaged during the long break. Of course, downtime is important, but there are also...
Arduino Blog
Can remote co-presence keep distant human connections alive?
The pandemic made a lot of things obvious, not the least of which is that humans need social...
6 months ago
The pandemic made a lot of things obvious, not the least of which is that humans need social interaction to maintain good mental health. Sadly, many of us spend our lives physically separated from our loved ones by great distances or inopportune circumstances. That’s why a team...
Louwrentius
Recovering a lost partition using gpart
Even today people do not understand how important it is for the safety of your
data to make backups....
over a year ago
Even today people do not understand how important it is for the safety of your
data to make backups. I was asked to perform some data recovery on a hard
drive of an old computer, which still contained important documents and
photo's.
The first thing I did was to make a disk image...
GitButler
Git Merge 2024 Talks are Up
All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
2 months ago
All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
Willem's Blog
Tablet as main computer
I have been using a tablet as my main computer for quite some time now. In this blog post I share...
over a year ago
I have been using a tablet as my main computer for quite some time now. In this blog post I share you my experience on using Surface Pro and iPad Pro to get my work done.
Louwrentius
'Gzip with parallel compression support: pigz'
The speed at which files are compressed with gzip is currently almost always
determined by the speed...
over a year ago
The speed at which files are compressed with gzip is currently almost always
determined by the speed of the CPU. However, standard unix gzip is single-
threaded and only uses a single CPU (core).
However, the maintainer of the zlib library has released 'pigz' or 'pig-zee'
whichs...
Engineers Need Art
Tom Dowdy
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
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.
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Arduino Blog
Exploring fungal intelligence with biohybrid robots powered by Arduino
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking...
a month ago
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking research that brings together the fields of robotics, biology, and engineering. Their recent experiments, published in Science, explore how fungal mycelia can be used to control robots....
Avestura's Blog
How to change visibility in massive GitHub organizations like EpicGames?
How to publicize and un-publicize your visibility in massive GitHub orgs?
over a year ago
How to publicize and un-publicize your visibility in massive GitHub orgs?
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
5 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
./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
Self-leveling workbench can travel without trouble
An actually level workbench is critical for many different jobs, such as pouring resin or...
6 months ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and...
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
2 months ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Bryan Braun - Blog
Goodbye Evernote, Hello Obsidian
I use note-taking software every day. I use it for journaling, blogging, capturing ideas,...
6 months ago
I use note-taking software every day. I use it for journaling, blogging, capturing ideas, researching technologies, managing my projects, and many other things. Writing is how I think through problems, and note-taking software makes all that thinking easy to search and...
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high...
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high bandwidth
As a home user, I'm mainly interested in setting up a high bandwidth link between two servers.
I was using quad-port network cards with Linux Bonding, but this solution has some...
watchTowr Labs
Hop-Skip-FortiJump-FortiJump-Higher - Fortinet FortiManager CVE-2024-47575
It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than...
a month ago
It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than usual. Adding to the steady flow of vulnerabilities in appliances recently was a nasty CVSS 9.8 vulnerability in FortiManager, their tool for central management of FortiGate...
Applied Cartography
Why your marketing site should be separate
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
3 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
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?...
Simply Explained
How I Structure My ESPHome Config Files
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Home on Erik...
The software engineering rule of 3
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*.
This is what I've noticed:
Don't factor out shared code between two classes.
Willem's Blog
Do amazing things with a focused mind
Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
over a year ago
Read about my experience during the workshop I got as a birth day present involving the Wim Hof Method.
Old Vintage...
Cracking DesignWare's The Grammar Examiner on the C64
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This...
a year ago
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This weekend I had a reason to.
The Grammar Examiner from 1984, something like a mashup between a board game and Strunk and White's Elements of Style, where you get to edit a fictional...
Home on Erik...
A neat little trick with time decay
Something that pops up pretty frequently is to implement time decay, especially where you have...
over a year ago
Something that pops up pretty frequently is to implement time decay, especially where you have recursive chains of jobs. For instance, say you want to keep track of a popularity score. You calculate today's output by reading yesterday's output, discounting it by $$ exp(-lambda...
watchTowr Labs
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806)
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!-...
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log:
13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl)
13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here)
For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
Construction Physics
The Influence of Bell Labs
We’ve talked previously about Bell Labs’ long, storied history as an innovation engine and a...
a month ago
We’ve talked previously about Bell Labs’ long, storied history as an innovation engine and a generator of new technology.
Arduino Blog
Discover #Virgil: history comes to life with Arduino
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino...
2 months ago
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino technology with a passion for history, creating a groundbreaking interactive experience for museums. Using Arduino’s versatile and scalable ecosystem, #Virgil operates completely...
Vitalik Buterin's...
The bulldozer vs vetocracy political axis
over a year ago
Posts on Made of...
Advent of Code in C++ Template Metaprogramming
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of...
a year ago
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of Code I could do purely in compile-time C++ metaprogramming.
As of this writing, I’ve done two days, and I’m not sure I’ll make it any further. However, that’s one more day than I...
Odds and Ends of...
WATCH: Talking trains with Jonn Elledge!
The new Overground names, why the north always loses out, and more!
a month ago
The new Overground names, why the north always loses out, and more!
Birchtree
That time Apple made Auido Hijack way worse, but eventually made it better for everyone
Paul Kafasis: The Developers Who Came in From the Cold
I’m delighted to say that we have completed...
a week ago
Paul Kafasis: The Developers Who Came in From the Cold
I’m delighted to say that we have completed our transition to ARK, and it now powers all of our audio capture apps on MacOS 14 and higher. Our glorious hassle-free future has finally arrived, and you can get
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp
Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
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...
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...
a year 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...
computers are bad
2023-11-19 Centrex
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened...
a year ago
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened to "PBX" in today's world where the "automatic" is
implied. (Relatively) modern small and medium business PABXs of the type I like
to collect are largely solid-state devices that...
Matt Blewitt
Unreasonably Effective Patterns
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data...
over a year ago
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data services. This post explores three patterns used to reduce operational burden and increase system safety and resiliency: state machines (and associated state-transition tables),...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck!
The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
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!
Posts on Made of...
wpa_supplicant: GUI and wpa_action
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on...
over a year ago
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on the subject. (Actually, I pretty much made both of them while reading documentation in order to write it, and have been lame about writing them up).
Using wpa_gui It turns out that...
Old Vintage...
Refurb weekend: PowerBook Duo 2300c
Jerry Seinfeld had one.
many other TV shows and even movies, most notoriously Hackers:
my...
a year ago
Jerry Seinfeld had one.
many other TV shows and even movies, most notoriously Hackers:
my favourite PowerBook 1400: the metal hinges are starting to tear out of their attachment points in the plastic back of the display, and naturally it's the one with all the upgrades in...
Old Vintage...
An Apple district manager's Macintosh Portable in 1989-91 (featuring GEIS AppleLink and a look at...
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than...
10 months ago
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than what it has on it: a beta version of System 6.0.6 (the doomed release that Apple pulled due to bugs), Apple sales databases, two online services — the maligned Mac Prodigy client,...
Home on Erik...
Data architecture vs backend architecture
A modern tech stack typically involves at least a frontend and backend but relatively quickly also...
over a year ago
A modern tech stack typically involves at least a frontend and backend but relatively quickly also grows to include a data platform. This typically grows out of the need for ad-hoc analysis and reporting but possibly evolves into a whole oil refinery of cronjobs, dashboards, bulk...
Applied Cartography
Why should a company?
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my...
9 months ago
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my first paying customer so I know it's not a fake product"; "I want to hit a thousand dollars in revenue so I know it's not just friends humoring me"; "I want to make $10K/mo or else I...
computers are bad
2024-09-26 the GE switched services network
We currently find ourselves in something of a series, working our way from
private lines to...
3 months ago
We currently find ourselves in something of a series, working our way from
private lines to large
private line systems like the four-wire private-line national warning
system.
Let's continue to build on the concept of the private line into large
corporate systems.
In principle, a...
Louwrentius
Why Debian/Ubuntu Linux is to be preferred
There are many Linux distributions around. However, I always come back to just
one: Debian. The...
over a year ago
There are many Linux distributions around. However, I always come back to just
one: Debian. The reason why so many people use Debian is the same reason I
like it so much: software management. With good old apt-get or the new
aptitude, software is installed within minutes. Due to...
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
This article is no longer relevant.
After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough.
The apt-get install debian-zfs command would just hang.
I noticed a...
Vitalik Buterin's...
Against choosing your political allegiances based on who is "pro-crypto"
5 months ago
Push to Prod
4 Ways To Say No, Elegantly and Effectively
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I...
4 months ago
In my early days at Netflix, my inability to say no led me into unpleasant terrain. Here's how I evolved to navigate these situations more fluidly.
Jonas Hietala
A Four-Eyed Update
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool.
I took home three frames I think and tried them out and I settled some I...
Computer Ads from...
American Heart Association
A PSA and an Ad
a month ago
Electronics etc…
Teardown of the TM4313 GPS Disciplined Oscillator
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313...
a year ago
Introduction
What is a GPSDO?
The TM4313 GPSDO
Power Consumption
Inside the TM4313
The TM4313 Schematic
Frequency or Phase Lock Loop?
OCXO Temperature
The Curious Case of the MAX6192 Voltage Reference
The Discrete Tuning DAC
GPS Module
Microcontroller instead of NMEA Serial...
./techtipsy
How to start your self-hosting adventure: a high-level overview
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in...
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in /r/homelab, storage measured in terabytes (or even petabytes) over
at /r/datahoarder, all the different services that people host over at
/r/selfhosted. This can be a bit...
Jonas Hietala
Favourite Programming Language
All the programmers love to promote their favourite language, or to hate on others. Now I read a...
over a year ago
All the programmers love to promote their favourite language, or to hate on others. Now I read a post which claimes my favourite language is not good enough! But he’s correct of course, there is no one language to rule them all. You should always choose the mest language for the...
Louwrentius
LFS - Linux Firewall Script released
I started a small new Google project for a new script I wrote called LFS.
It stands for Linux...
over a year ago
I started a small new Google project for a new script I wrote called LFS.
It stands for Linux Firewall Script.
I run a small Linux box as an internet router that doubles as a firewall. The
firewall is configured using iptables. In my opinion, iptables is not the
easiest tool to...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Louwrentius
Why VMware vSphere replication is changing the game
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure.
SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
Matt Mullenweg
Where is Lee Wittlinger?
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
3 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
Avestura's Blog
Creating a Git commit: The Hard Way
Let's create a Git commit using Git's low-level (plumbing) commands
4 months ago
Let's create a Git commit using Git's low-level (plumbing) commands
Arduino Blog
3D printing an affordable robot arm
If you have an interest in robotics, then a robot arm is a great educational tool to start your...
5 months ago
If you have an interest in robotics, then a robot arm is a great educational tool to start your journey. But professional robot arms are expensive and the DIY route is more informative anyway. That’s especially true if you take the time to design the arm yourself, as did Oliver...
Abort Retry Fail
The History of Red Hat
The Billion Dollar Open Source Company
a year ago
The Billion Dollar Open Source Company
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...
./techtipsy
Dell Latitude 5411: the Linux compatibility sweet spot
Oh boy, here I go testing a new laptop again!
Well, it was new back in 2020.
You might remember my...
a year ago
Oh boy, here I go testing a new laptop again!
Well, it was new back in 2020.
You might remember my article on why I went back to a ThinkPad T430 in 2022.
Or that other time when I got a new HP laptop for testing and got so frustrated that I wrote about it.
Well, today I’m writing...
Jonas Hietala
Let's build a VORON: Major failure
The left POM nut got ground down, making the bed fall down.
After 600 hours, the printer met it’s...
10 months ago
The left POM nut got ground down, making the bed fall down.
After 600 hours, the printer met it’s first major failure.
I know I earlier described how the extruder starter skipping in a big way, but that was just some filament getting stuck in the extruder.
This time a part...
Home on Erik...
Snakebite
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf.
Spotify's developer blog features a nice blog post outlining what...
Old Vintage...
The Fossil Wrist PDA becomes a tiny Gopher client (with Overbite Palm 0.3)
I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist.
all...
a year ago
I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist.
all about Palm devices on the Internet.
It turns out there's a reason for that, and we're going to patch the operating system so we can make the Fossil Wrist PDA into what may be the...
Electronics etc…
Setting Up a Symmetricom SyncServer S200 Network Time Protocol Server
Introduction
What was the SyncServer S200 Supposed to be Used For?
IMPORTANT: Use the Right GPS...
5 months ago
Introduction
What was the SyncServer S200 Supposed to be Used For?
IMPORTANT: Use the Right GPS Antenna!
The SyncServer S200 Outside and Inside
Installing the Missing BNC Connectors
Setting Up a SyncServer S200 from Scratch
Opening up the SyncServer S200
The SyncServer File...
latest projects -...
Motorised Camera Slider
[Hardware] Simple smooth motor mod
6 months ago
[Hardware] Simple smooth motor mod
Home on Erik...
Deep learning for… Go
This is the last post about deep learning for chess/go/whatever. But this really cool paper by...
over a year ago
This is the last post about deep learning for chess/go/whatever. But this really cool paper by Christopher Clark and Amos Storkey was forwarded to me by Michael Eickenberg. It's about using convolutional neural networks to play Go.
Louwrentius
Howto get the hard disk size under Linux?
A: There is no single tool for this job, but it seems that Fdisk is just fine:
server:~# fdisk -l 2>...
over a year ago
A: There is no single tool for this job, but it seems that Fdisk is just fine:
server:~# fdisk -l 2> /dev/null | grep Disk | grep -v identifier
Disk /dev/sda: 500.0 GB, 500028145664 bytes
Disk /dev/sdb: 500.0 GB, 500028145664 bytes
Disk /dev/sdc: 1000.1 GB, 1000123400192...
Posts on Made of...
Distributed cloud builds for everyone
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
Home on Erik...
Conversion rates – you are (most likely) computing them wrong
How hard can it be to compute conversion rate? Take the total number of users that converted and...
over a year ago
How hard can it be to compute conversion rate? Take the total number of users that converted and divide them with the total number of users. Done. Except… it's a lot more complicated when you have any sort of significant time lag.
Notes on software...
Make small changes and solve the problems you have
Two frustrating things that can happen in an organization are 1) big
changes and 2) changes that...
over a year ago
Two frustrating things that can happen in an organization are 1) big
changes and 2) changes that aren’t clearly associated with a known
problem. It’s even worse in that order.
These situations tend to happen when a problem remain unaddressed for
too long. These situations tend to...
Louwrentius
Understanding IOPS, latency and storage performance
Update 2020: I've written another blogpost about this topic, including some benchmark examples.
When...
over a year ago
Update 2020: I've written another blogpost about this topic, including some benchmark examples.
When most people think about storage performance, they think about throughput. But throughput is similar to the top speed of a car. In reality, you will almost never reach the top...
Avestura's Blog
Hiding a photo inside another photo
How to hide a small photo inside a larger photo?
over a year ago
How to hide a small photo inside a larger photo?
Posts on Made of...
Indices point between elements
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this:
In this post, I want to persuade you to replace that image, or,...
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...
a month 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,...
Home on Erik...
Machine, Platform, Crowd
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it...
over a year ago
I just bought Machine, Platform, Crowd: Harnessing Our Digital Future and discovered that it mentions my blog – in particular the post When machine learning matters.
Ok, I lied a little bit. I didn't discover it serendipitously.
On Life and Lisp
Vulkan 1.4 sur Asahi Linux
English version follows.
Aujourd’hui, Khronos Group a
sorti la spécification 1.4 de l’API graphique...
a month ago
English version follows.
Aujourd’hui, Khronos Group a
sorti la spécification 1.4 de l’API graphique standard Vulkan. Le projet
Asahi Linux est fier d’annoncer le
premier pilote Vulkan 1.4 pour le matériel d’Apple. En effet, notre
pilote graphique Honeykrisp
est reconnu
par...
Good Enough
You Complete Me
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
a month 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...
Matt Blewitt
Riding the Risk Railway
When building and operating a user-facing system, especially one that is open to the public, it is...
over a year ago
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Yazin Alirhayim
How do you know that an API does what it says it does?
Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information.
A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
computers are bad
2024-11-23 cablesoft
As an American, I often feel an intense jealousy of Ceefax, one of several
commercially successful...
a month 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...
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
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...
Buck on Software
23 things you should know
1: Management’s true confidence is reflected in how fast they are hiring
over a year ago
1: Management’s true confidence is reflected in how fast they are hiring
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP...
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds
with a single TCP/UDP connection.
UPDATE July 2011
Due to hardware problems, I was not able to achieve transfer speeds
beyond 150 MB/s. By replacing a network card with one from another
vendor (HP...
Jonas Hietala
Jonas IceCream Stand
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream...
over a year ago
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game.
Jonas IceCream Stand
Instructions
It should be pretty self-explanatory, it’s a very simply tycoon game.
Credits
Music:
Eric Maskol
Steve Chatterton
Sound effects:
freesound
Rest:
Me
Abort Retry Fail
The History of Microsoft Encarta
Searchable Human Knowledge
a year ago
Searchable Human Knowledge
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I...
over a year ago
Previously in exploring PL/pgSQL:
Strings, arrays, recursion and parsing JSON
In my last post
I walked through the basics of PL/pgSQL, the embedded procedural
language inside of PostgreSQL. It covered simple functions, recursions
and parsing. But there was something very...
Willem's Blog
Rescuing files from a broken harddisk
Yesterday I helped a young woman with her broken computer containing precious photos, could I safe...
over a year ago
Yesterday I helped a young woman with her broken computer containing precious photos, could I safe them?
Matt Blewitt
So, You Want To Build A DBaaS
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
Simply Explained
Shelly 2.5: Flash ESPHome Over The Air!
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're...
over a year ago
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're well built, tiny and rock solid, and best of all: compatible with ESPHome.I flashed ESPHome onto all my Shelly 1's, but for some reason, I have issues with my Shelly 2.5 devices......
Jonas Hietala
Moving to FastMail
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some...
over a year ago
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some reason I settled on eumx which I used since then. Yesterday I got an email saying the recurring billing could not be renewed as I had my old credit card registered and it got me...
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
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.
Willem's Blog
From tree to table
Creating a night stand from a raw slab of chestnut wood.
over a year ago
Creating a night stand from a raw slab of chestnut wood.
Notes on software...
Implementing zip archiving in Golang: unzipping
All code for this post is available on Github.
Let's take a look at how zip files work. Take a small...
over a year ago
All code for this post is available on Github.
Let's take a look at how zip files work. Take a small file for example:
$ cat hello.text
Hello!
Let's zip it up.
$ zip test.zip hello.text
adding: hello.text (stored 0%)
$ ls -lah test.zip
-rw-r--r-- 1 phil phil 177 Nov 23 23:04...
Simply Explained
Integrate Home Assistant with Apple Reminders
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos....
over a year ago
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos. This is trickier as it sounds, because Reminders has no API that can be accessed from Home Assistant. Here's how I worked around that problem with a script, input text helper and...
Louwrentius
How to build an energy efficient computer for home use
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using...
over a year ago
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using it.
Long:
People are spending a lot of time building an energy efficient home computer,
that can act as an HTPC, NAS, or whatever. It must consume as little power as
possible, because it it...
Willem's Blog
I see dead people
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old...
3 months ago
This may be Apple Vision Pro's killer feature, enabling you to see dead people: augmenting old photos into lifelike representations.
computers are bad
2024-04-05 the life of one earth station
Sometimes, when I am feeling down, I read about failed satellite TV (STV)
services. Don't we all?...
9 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV)
services. Don't we all? As a result, I've periodically come across a company
called AlphaStar Television Network. PrimeStar may have had a rough life, but
AlphaStar barely had one at all: it launched in...
Louwrentius
Storage and I/O: reads vs. writes
There is a fundamental difference between a read operation and a write operation. Storage can lie...
over a year ago
There is a fundamental difference between a read operation and a write operation. Storage can lie about completing a write operation, but it can never lie about completing a read operation. Therefore read and writes have different characteristics. This is what I've learned.
About...
Notes on software...
Parser generators vs. handwritten parsers: surveying major language implementations in 2021
Developers often think parser generators are the sole legit way to
build programming language...
over a year ago
Developers often think parser generators are the sole legit way to
build programming language frontends, possibly because compiler
courses in university teach lex/yacc variants. But do any modern
programming languages actually use parser generators anymore?
To find out, this post...
Applied Cartography
MD5-based uniqueness constraints in Django
Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental...
4 months ago
Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental double-commenting, and I ran into a problem that I hadn't seen before:
index row size 2816 exceeds btree version 4 maximum 2704 for index...
Electronics etc…
Cable Length Measurement with an HP 8007B Pulse Generator
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [...
a year ago
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ['$', '$'], ["\\(", "\\)"] ],
displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ],
processEscapes: true,
skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa,
and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s
a new museum around here!
The...
Jonas Hietala
Postmortem: Jonas IceCream Stand
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it!...
over a year ago
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it! And thanks for the feedback guys, it’s always welcome.
I spent almost exactly fifty hours on this game and that’s by far the most I’ve spent on a 7day project. To be honest it’s...
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...
Birchtree
2 weeks to go and I don't think I'll have to eat that AirPod
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction...
2 weeks ago
Last month I made the courageous promise that I would eat an AirPod if a 9to5Mac writer's prediction that "[b]efore the end of the year, I have no doubt Apple’s AI features—especially what’s coming in 18.2—will become
Home on Erik...
What's up with music recommendations?
I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies.
Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
Matt Mullenweg
I Voted!
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
2 months ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Nabeel S. Qureshi
Video Games are the Future of Education
The things you learn by yourself stick; the things that are “taught” to you do not stick.
over a year ago
The things you learn by yourself stick; the things that are “taught” to you do not stick.
computers are bad
2023-04-27 los alamos - compound to county pt I
This weekend, I found myself staying in Los Alamos for a volunteer role in
which I judge children on...
a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in
which I judge children on the quality of their software. Clearly this is not
the kind of opportunity I would turn down, but I also always take an excuse to
drive back up the hill. I only lived in Los...
Vitalik Buterin's...
Two thought experiments to evaluate automated stablecoins
over a year ago
Home on Erik...
When machine learning matters
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to...
over a year ago
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to forget, but Spotify's key differentiator back then was the low-latency playback. People would say that it felt like they had the music on their own hard drive.
Arduino Blog
Circuit Canvas can help you quickly create illustrated wiring diagrams
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit...
5 months ago
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit designs, but traditional schematics and technical drawings are difficult for non-professionals to interpret and create. Makers can benefit from intuitive illustrations that look good...
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Lighthouse Blog
Updates September 16: Explore all available articles of a feed
3 months ago
computers are bad
2024-01-16 the tacnet tracker
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile...
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile computing."
Today, I want to share a little example. Over the last few weeks, for various
personal reasons, I have been doing a lot of reading about embedded operating
systems and ISAs for...
seangoedecke.com RSS...
Learning incident response with problem sets
It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd...
over a year ago
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd like to be able to render this page in a web browser. If
the server is hosted locally we may want to enter
localhost:9000/hello-world.html in the address bar, hit
enter, make a...
Willem's Blog
Swimming and cycling with Apple Watch
This month I tested the newest watchOS while swimming and cycling.
over a year ago
This month I tested the newest watchOS while swimming and cycling.
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?
Jonas Hietala
Rewriting my blog in Rust for fun and profit
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
Background
I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far.
But all good...
computers are bad
2023-04-20 different kinds of differential
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by...
a year ago
On the front page of HN today was an [article with a confusing headline],
"Farmers 'crippled' by satellite failure as GPS-guided tractors grind to a
halt." Of course the headline doesn't actually say this, but it does seem
to imply that there has been some kind of failure of...
Computer Ads from...
ProHance Technologies' Power Mouse
Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
Even A Totally Souped up PC Is A Dog Without PowerMouse
Home on Erik...
coin2dice
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago...
over a year ago
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago since I don't believe in puzzles, but I think it's kind of fun.
Let's say you have a function that simulates a random coin flip.
Applied Cartography
Migrating to Django 5
The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was...
2 months ago
The total LOC delta to migrate Buttondown from Django 4 to Django 5 was +143, -150. (I was incentivized to do so because our search right now is quite slow, and the lowest hanging piece of fruit is to move some of the tsvector generation out of band, and I'd rather do that using...
Neil Madden
API Security in Action handed over to production
After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
Posts on Made of...
Dear Twitter: Stop screwing over your developers.
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online...
over a year ago
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online communities, and is a surprisingly effective way to spread news and information to lots of people online. One of the things that I’ve loved about Twitter is their API, and how open and...
Applied Cartography
Notes on ActivityPub
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is.
Something that gives distinctly bad...
Arduino Blog
A drone remote designed to enhance magic shows
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed...
7 months ago
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed slight of hand, but many of them rely on clever engineering to sell an illusion. And modern technology offers a great deal of interesting possibilities. That is the idea behind Peter...
Applied Cartography
buttondown.com/alternatives
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools...
3 weeks ago
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools to be. There is a ton of room in these markets for healthy and friendly competition — and no need at all for winner-take-all or monopolist attitudes.
First off — credit where it's...
Notes on software...
Standard ML in 2020
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML#...
over a year ago
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML# and
SML/NJ
are the most prominent. Discussion on the future direction of Standard
ML remains healthy as
well.
And somehow OCaml's lesser known cousin still beats out OCaml...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
Lighthouse Blog
Updates November 4: Free newsletter to RSS tool
2 months ago
Opsbros
WetSocks Revival
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do...
over a year ago
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do to get WetSocks Windows 98 tray weather app working again.
On Life and Lisp
The Federation Fallacy
Throughout the free software community, an unbridled aura of justified mistrust fills the air:...
over a year ago
Throughout the free software community, an unbridled aura of justified mistrust fills the air: mistrust of large corporations, mistrust of governments, and of course, mistrust of proprietary software. Each mistrust is connected by a critical thread: centralisation.
Thus,...
Louwrentius
Benchmarking cheap SSDs for fun, no profit (be warned)
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now...
a year ago
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
Although cheap SSDs do perform fine regarding reads, sustained write...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like
a tank. I got mine in...
6 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like
a tank. I got mine in 2016 when the first university scholarship money dropped,
and it’s still my backup laptop of choice.
Around 2017 I did something every reasonable poor computer science...
Matt Blewitt
Sensibly Default
There are two programming principles that I hold dear to my heart: the principle of least surprise...
2 months ago
There are two programming principles that I hold dear to my heart: the principle of least surprise and provide sensible defaults. I’ve recently been working within the GraphQL ecosystem, and the number of violations of both here has frustrated me. This will be a little bit ranty.
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
Willem's Blog
Dig for dummies
Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
computers are bad
2023-02-13 my homelab
I have always found the term "homelab" a little confusing. It's a bit like the
residential version...
a year ago
I have always found the term "homelab" a little confusing. It's a bit like the
residential version of "on-premises cloud," in that it seems to presuppose that
a lab is the normal place that you find computer equipment. Of course I get
that "homelab" is usually used by those who...
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing.
You can see this for...
Old Vintage...
Refurb weekend: the Symbolics MacIvory Lisp machine I have hated
Every collector has that machine, the machine they sunk so much time and, often, money into that...
2 months ago
Every collector has that machine, the machine they sunk so much time and, often, money into that they would have defenestrated it years ago except for all the aforementioned time and money. Yours truly is no exception.
a future article.) They existed in highly technical...
Jonas Hietala
Life and Shields
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable...
over a year ago
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable AI, they have rechargeable shields and they can now even be killed. Currently the game is far too easy, but it’s starting to look a little cooler at least.
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