./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2...
over a year ago
I stumbled upon this post in /r/thinkpad,
which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that
they purchased from AliExpress. The adapter has a similar purpose to the one
designed by thinkmods.store, with the added bonus
that it could fit longer NVMe...
Posts on Made of...
Using X forwarding with screen by proxying $DISPLAY
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a...
over a year ago
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a long-running session going on a server somewhere, and log in and resume my session without losing any state.
I also love X-forwarding. I love being able to log into a remote server...
Notes on software...
Writing a SQL database from scratch in Go: 3. indexes
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions and WHERE filters
4. a database/sql driver
In this post, we extend gosql
to support indexes. We focus on the addition of PRIMARY
KEY constraints on table creation and some easy...
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...
5 days 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
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
8 months ago
Style over Substance
Review of the 2-dial TTArtisan Light Meter
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here)
In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Willem's Blog
Building the blog... in style!
Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
Find out if it is possible to turn a computer from the 90s into a modern development machine.
Matt Mullenweg
Rhino Dehorning
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles,...
2 months ago
Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles, elephants. Today wasn’t great: I witnessed a rhino shot with a tranquilizer from a helicopter, then it was held down, had its horns cut off, and then shaved down. I have some photos and...
Willem's Blog
The joy of a simple laptop
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the...
over a year ago
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the experience!
Simply Explained
Preventing Cumulative Layout Shifts with lazy loaded images (Eleventy + markdown-it)
There's nothing more annoying than a website shifting down just as you're about to click on a button...
over a year ago
There's nothing more annoying than a website shifting down just as you're about to click on a button or link. This is called a layout shift, and Google has declared war on them. They've added layout shifts to the Core Web Vitals, and if your website has a lot of them, it will get...
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
20 hours ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
Computer Ads from...
MicroSpeed PC-TRAC
Let's Get Right To the Point
7 months ago
Let's Get Right To the Point
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an...
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this.
I just see it as an opportunity to send a signal and test the capabilities of
my UPS.
I’ve prepared for this moment with my self-hosting setup, let’s see how well it
holds up. Hopefully better than...
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.
Odds and Ends of...
Odds and Ends #44: The New Statesman still needs fixing
Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
3 weeks ago
Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
GitButler
Stacked Branches with GitButler
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
2 weeks ago
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
Applied Cartography
Projects are things with steps
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked...
a month ago
Lots of kind words poured in as a response to My approach to GTD and PKM, and one question was asked so frequently that I decided to write about it.
Why is “Get mom a birthday present” a project and not a task?
GTD is very orthodox in what a “project” is: it’s anything that:
you...
detreville
🎼This Is the Worst Trip I’ve Ever Been On 🎶
(A Lengthy Vacation Post-Mortem)
7 months ago
(A Lengthy Vacation Post-Mortem)
Jonas Hietala
Goals for Autumn 2016
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read...
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself.
I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Yazin Alirhayim
Braindump
Been having a hard time lately focusing.
It’s like whenever I start doing anything of any...
over a year ago
Been having a hard time lately focusing.
It’s like whenever I start doing anything of any significance I get derailed, and fall into this spiral of thought where I reconsider whether what I’m about to do matters, why it would, and whether I could be doing something else that...
Arduino Blog
Assess your aquarium’s health with an AI-enabled ultrasonic sensor
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can...
7 months ago
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can accumulate, which leads to a loss in fish and plant populations if not fixed quickly. But because most water testing, especially in aquariums, is done primarily on the surface, vital...
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more
The traditional backyard chicken coop is a very simple structure that typically consists of a...
4 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
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...
Vitalik Buterin's...
Some ways to use ZK-SNARKs for privacy
over a year ago
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...
Louwrentius
HP Proliant Microserver Gen10 as router or NAS
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine...
over a year ago
Introduction
In the summer of 2017, HP released the Proliant Microserver Gen10. This machine replaces the older Gen8 model.
For hobbyists, the Microserver always has been an interesting device for a custom home NAS build or as a router.
Let's find out if this is still the case....
./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...
Notes on software...
Build a serverless ACID database with this one neat trick (atomic PutIfAbsent)
Delta Lake is an open protocol for serverless ACID databases. Due to
its simplicity, scalability,...
2 months ago
Delta Lake is an open protocol for serverless ACID databases. Due to
its simplicity, scalability, and the number of open-source
implementations, it's quickly becoming the DuckDB of serverless
transactional databases for analytics workloads. Iceberg is a
contender too, and is...
Jonas Hietala
Bugger
Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the...
over a year ago
Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the bugs. As a programmer the fight with those nasty bugs are a daily occurrence and now I’ve brought you a chance to kill those nasties too!
The gameplay wasn’t what I was planning on -...
Louwrentius
1.0 GB/s using Linux software RAID
I filled the Norco case with hardware. It is now up and running, based on
Debian Linux (Lenny).
I...
over a year ago
I filled the Norco case with hardware. It is now up and running, based on
Debian Linux (Lenny).
I immediately performed some initial tests with software RAID 0. The results
are just astounding.
debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000
50000+0 records in
50000+0...
Willem's Blog
Marathon
Read the story of how it feels to complete your first marathon.
2 months ago
Read the story of how it feels to complete your first marathon.
Home on Erik...
Blogroll
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is...
over a year ago
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny.
I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years.
computers are bad
2023-10-09 prolific counterfeiting
I'm working on a side project right now, one of several, which involves
telematics devices...
a year ago
I'm working on a side project right now, one of several, which involves
telematics devices (essentially GPS trackers with i/o) from a fairly reputable
Chinese manufacturer. The device is endlessly configurable and so, like you see
with a lot of radios, it has a UART for...
Notes on software...
A write-ahead log is not a universal part of durability
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its...
5 months ago
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its long-term data structure durably
to disk before returning to a client. Granted, this is a bad idea! And
granted, a WAL is critical for durability by design in most
databases. But I...
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...
Christian Selig
Table of Contents Selector View
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Old Vintage...
So long, Z80
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
Jonas Hietala
The Coinparty hackathon, take two
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
seangoedecke.com RSS...
Blockchain for beginners
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making...
over a year ago
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making distributed crypto-currencies like Bitcoin…
Simply Explained
Tuya IR Hub: control Daikin AC (Home Assistant + ESPHome)
The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to...
over a year ago
The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to finally make my YTF IR Hub useable. Here's how I flashed ESPHome onto it and how I configured it for my Daikin AC and Home Assistant.
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
10 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s.
This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an
example.
Although the chip looks like a tangle of lines at first,
its large...
Old Vintage...
xa (xa65) 2.4.1
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02,...
9 months ago
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02, R65C02 and 65816 processors that André and I maintain is now at version 2.4.1. This optionally expands the syntax from 2.4.0 and fixes some bugs primarily with relocatable .o65...
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
2 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Notes on software...
Finishing up a FreeBSD experiment
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and...
over a year ago
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and I've learned a hell of a
lot forcing myself on CURRENT... But there's been a number of issues
with it that have made it difficult to keep using, so I replaced it
with Arch Linux...
Louwrentius
How to escape file names in bash shell scripts
After fighting with Bash for quite some time, I found out that the following
code provides a nice...
over a year ago
After fighting with Bash for quite some time, I found out that the following
code provides a nice basis for escaping special characters. Ofcource it is not
complete, but the most important characters are filtered.
If anybody has a better solution, please let me know. It works and...
Gwern.net Newsletter
September 2020 News
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
Posts on Made of...
6.170, CVS, and SVN
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
Notes on software...
Zig, Rust, and other languages
Having worked a bit in Zig, Rust, Go and now C, I think there are a
few common topics worth having a...
9 months ago
Having worked a bit in Zig, Rust, Go and now C, I think there are a
few common topics worth having a fresh conversation on: automatic
memory management, the standard library, and explicit allocation.
Zig is not a mature language. But it has made enough useful choices
for a number...
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.
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system
Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and...
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
a month ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Home on Erik...
What can startups learn from Koch Industries?
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The...
over a year ago
I recently finished the excellent book Kochland. This isn't my first interest in Koch—I read The Science of Success by Charles Koch himself a couple of years ago.
Charles Koch inherited a tiny company in 1967 and turned it into one of the world's largest ones.
Matt Mullenweg
Automattic Alignment
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
computers are bad
2023-11-04 nuclear safety
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on...
a year ago
Nuclear weapons are complex in many ways. The basic problem of achieving
criticality is difficult on its own, but deploying nuclear weapons as
operational military assets involves yet more challenges. Nuclear weapons must
be safe and reliable, even with the rough handling and...
Home on Erik...
ML+Hadoop at NYC Predictive Analytics
I was just at the NYC Predictive Analytics meetup talking about how we build machine learning...
over a year ago
I was just at the NYC Predictive Analytics meetup talking about how we build machine learning algorithms using Hadoop to power music recommendations.
Great meetup, where we had two speakers, me and Blake Shaw from Foursquare.
Jonas Hietala
2015 in Review
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university...
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university studies and got a Master in Computer Science.
Discovered a new boardgame love: Android Netrunner.
Finished top 4 in my first Netrunner Store Championship.
Won a small local Netrunner...
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Lighthouse Blog
How to stay on top of (new) content
6 months ago
Home on Erik...
hdfs2cass
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
Computer Ads from...
Page 6 Magazine Interviews the Godfather of Adventure Games, Scott Adams
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
4 months ago
Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
Jonas Hietala
Geekhack Toxic
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be?
With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard:
Woooo
If only my GH60 could arrive some time this decade…
Vitalik Buterin's...
What do I think about network states?
over a year ago
Home on Erik...
I'm looking for data engineers
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers...
over a year ago
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers at Better. You would be the first one to join and would work a lot directly with me.
Some fun things you could work on (these are all projects I'm working on right now):
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The...
over a year ago
Introduction
Update April 2023:
It has been fairly quiet since the announcement of this feature.
The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Jonas Hietala
2014 in Review
Previous reviews: 2010, 2011, 2012 and 2013.
2014 Geek Achievements
Solved 73 UVa problems.
Won a...
over a year ago
Previous reviews: 2010, 2011, 2012 and 2013.
2014 Geek Achievements
Solved 73 UVa problems.
Won a turn in IMPA and solved a bunch of problems.
Completed a doctorand course about algorithmic problem solving.
Finished my 4 first years in University.
Became a contributor to rust and...
Willem's Blog
Using a budget Android as main smartphone
I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Jonas Hietala
Building my ultimate keyboard
The Cybershard keyboard.
What comes to mind when you see the description “the ultimate...
3 weeks ago
The Cybershard keyboard.
What comes to mind when you see the description “the ultimate keyboard”?
There are many keyboards in this world; here are some that might fit the “ultimate” moniker:
Das Keyboard 4 Ultimate mechanical keyboard
DataHand
Ergodox EZ
Glove80
Happy...
Louwrentius
Fio-plot: creating nice charts from FIO storage benchmark data
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
over a year ago
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below.
The github project page explains how to run this tool.
Fio-plot also includes a benchmark script...
Arduino Blog
Is there an online Arduino IDE?
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far! Now if you’ve ever...
Neil Madden
How do you use a bearer URL?
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to...
over a year ago
In “Towards a standard for bearer token URLs”, I described a URL scheme that can be safely used to incorporate a bearer token (such as an OAuth access token) into a URL. That blog post concentrated on the technical details of how that would work and the security properties of the...
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Louwrentius
How traffic shaping can dramatically improve internet responsiveness
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are...
over a year ago
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are a mid-size company, bandwidth is clearly a severe constraint. But it was not our biggest problem. Even simple web-browsing was very slow.
As I was setting up a monitoring...
Odds and Ends of...
Book now! Where we're going, we need roads (and trains)
My next in-person event/meet-up, with transport policy expert Michael Dnes!
3 weeks ago
My next in-person event/meet-up, with transport policy expert Michael Dnes!
Arduino Blog
Vintage rotary phone becomes stylish kitchen timer
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three...
6 months ago
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three minutes, knead the dough for 15 minutes, bake for 30 minutes, and so on. A timer is a necessity for cooking and baking, but there is no reason you need to use your phone or a...
Good Enough
Season 1, Issue 5: Promotes Regularity
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each...
over a year ago
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each have at least two children in our homes, begging for attention. And we each truly appreciate extended breaks as a means of reinvigorating ourselves to the ever important task of...
Arduino Blog
Giving a teenage pet turtle a synthetic pizza-ordering voice
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of...
3 months ago
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of some degree of training. Training is really just taking advantage of an animal’s natural inclination to adapt for survival, which is something all living organisms do. With that in...
Jonas Hietala
addwatch: resource exhausted
While tampering with Hakyll and running site preview I stumbled upon this error message:
site:...
over a year ago
While tampering with Hakyll and running site preview I stumbled upon this error message:
site: addWatch: resource exhausted (No space left on device)
At first I tried to clear /tmp but, so clearly the device did have some space left. After a bit of googling I found a solution...
Jonas Hietala
Preventing Firefox from creating Desktop directories
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found...
over a year ago
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found how to turn it off.
Edit ~/.config/user-dirs.dirs...
Willem's Blog
Write your own words
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
Willem's Blog
And... there is light!
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of...
a year ago
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of dynamo powered lights, ensuring a bright and hassle-free ride on the darkest roads.
Ian's Blog
The Zune "HD"
It is my joy and pleasure to present to you: the Zune "HD". The final device to wear the Zune name,...
over a year ago
It is my joy and pleasure to present to you: the Zune "HD". The final device to wear the Zune name, released by Microsoft in October of 2009. A direct competitor to Apple's wildly successful iPod Touch, the Zune HD was the first Zune to feature a multi-touch display, full web...
Jonas Hietala
The Arty Timeline
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty...
over a year ago
While working on Jonas IceCream Stand I took a screenshot every day and I thought they looked pretty cool so here they are:
And now I’m off with New World Order and (for once) I’ve got a really really good idea!
Louwrentius
HP Proliant Microserver N40L is a great NAS or Router
Update 2012-12-11: It seems that a new and faster version is on the horizon.
Update 2012-12-21:...
over a year ago
Update 2012-12-11: It seems that a new and faster version is on the horizon.
Update 2012-12-21: Yes, the new model G7 N54L is out.
Some products seem almost too good to be true and I think the HP Proliant Microserver N40L is one of them. If you are into the market for a very...
Jonas Hietala
Game Design Analysis: World of Goo
Introduction
This is the second essay for the course Game Design and this thime I will be analysing...
over a year ago
Introduction
This is the second essay for the course Game Design and this thime I will be analysing the game World of Goo a bit.
The first level
The game is very simple. You begin with a structure and a few Goo balls, the charming balls bobbing around there, which you can drag...
Louwrentius
'Tip of the day: Scrolling in GNU screen'
Just the answer:
By default, on Debian, the scroll back buffer is about 1K lines. This can...
over a year ago
Just the answer:
By default, on Debian, the scroll back buffer is about 1K lines. This can be
changed in the .screenrc file in your home directory. The following example
sets the scroll back buffer to 5K lines.
defscrollback 5000
Set the scroll back buffer on the fly with:
First...
Jonas Hietala
Let's build a VORON: Toolhead
Since the last update I’ve made some good progress:
All the motors are installed
The x-axis and belt...
a year ago
Since the last update I’ve made some good progress:
All the motors are installed
The x-axis and belt are installed
Tap is installed
The toolhead with Stealthburner + Clockwork 2 is also installed
Purple means Pretty.
I’ve run into a few problems on the way that I’ll try to...
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Posts on Made of...
Configuring dnsmasq with VMware Workstation
I love VMware workstation. I keep VMs around for basically every version of every major Linux...
over a year ago
I love VMware workstation. I keep VMs around for basically every version of every major Linux distribution, and use them heavily for all kinds of kernel testing and development.
This post is a quick writeup of my networking setup with VMware Workstation, using dnsmasq to assign...
computers are bad
2024-06-08 dmv.org
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually,...
6 months ago
The majority of US states have something called a "Department of Motor
Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be
overstated. A more general term is "motor vehicle administrator," used for
example by the American Association of Motor Vehicle...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
Lighthouse Blog
Introducing Lighthouse - The RSS reader, newsletter reader, and read-it-later app to fight content...
8 months ago
Posts on Made of...
New Blog Location
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of...
over a year ago
I finally got fed up with Blogger, and am moving this blog to live on Wordpress hosted off of scripts.mit.edu. In the process of converting everything over and setting up Wordpress I’ve decided I hate it, but hopefully I hate it less than I hate Blogger. We’ll see.
I’ve also...
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...
The unreleased Commodore HHC-4's secret identity
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one...
a month ago
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one and only handheld computer, the Commodore HHC-4. It was never released and never seen again, at least not in that form. But it turns out that not only did the HHC-4 actually exist,...
Jonas Hietala
The first (worst) post
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog...
over a year ago
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog will be about and maybe, if I’m dedicated, it won’t die before Christmas you think.
And sure, you’re right. I will run away to the corner in about two and a half months crying I never...
Push to Prod
Best Questions and Answers to the “Terrifying Netflix Concurrency Bug” Post
Why couldn't we roll back? Weren't we concerned about costs? Why is operating Netflix so...
3 weeks ago
Why couldn't we roll back? Weren't we concerned about costs? Why is operating Netflix so complicated? Plus many others.
Home on Erik...
Some more font links
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Posts on Made of...
Write testable code by writing generic code
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains...
over a year ago
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains several software engineers nearly as obsessed with software testing as I am):
uhh, so I’m writing some code to handle an econnreset… how do I test this?
This is a good question!...
Computer Ads from...
Intel's Inboard 386/PC
Welcome to the 1990s.
2 months ago
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...
Arduino Blog
This Arduino-controlled Spin Meister helps spin up the perfect pizza
Dedicated pizza ovens are all the rage right now, as they provide a better-distributed and higher...
6 months ago
Dedicated pizza ovens are all the rage right now, as they provide a better-distributed and higher heat that many find more preferable than a conventional kitchen oven. But even a nice gas-powered pizza oven like the Ooni Koda 12 will have some hot spots and cold spots. To get an...
Home on Erik...
NYC Machine Learning meetup
From the NYC Machine Learning talk I had last week:
Haven't looked at it yet except briefly....
over a year ago
From the NYC Machine Learning talk I had last week:
Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Posts on Made of...
Using Haskell's 'newtype' in C
A common problem in software engineering is avoiding confusion and errors when dealing with multiple...
over a year ago
A common problem in software engineering is avoiding confusion and errors when dealing with multiple types of data that share the same representation. Classic examples include differentiating between measurements stored in different units, distinguishing between a string of HTML...
Notes on software...
SQLite has pretty limited builtin functions
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.
Avestura's Blog
How optimistic or pessimistic are the Kurzgesagt videos?
A sentiment analysis on the last 20 videos of Kurzgesagt.
a year ago
A sentiment analysis on the last 20 videos of Kurzgesagt.
Computer Ads from...
IBM RISC System/6000 Family
Just when PowerSeeker thought they had nowhere to go...
7 months ago
Just when PowerSeeker thought they had nowhere to go...
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
10 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
Louwrentius
Why filtering DHCP traffic is not always possible with iptables
When configuring my new firewall using iptables, I noticed something very
peculiar. Even if all...
over a year ago
When configuring my new firewall using iptables, I noticed something very
peculiar. Even if all input, forward and output traffic was dropped, DHCP
traffic to and from my DHCP server was not blocked even if there were no
rules permitting this traffic.
I even flushed all rules,...
Matt Blewitt
Regular Restarts Are Good, Actually
Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on...
a month ago
Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on compute units, known as “dynos”. This is actually a good thing, but very misunderstood.
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
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...
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears...
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters,
computing
airspeed, Mach number, and other "air data".
The rotating...
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.
Construction Physics
Energy Cheat Sheet
Building an intuition about energy
2 days ago
Building an intuition about energy
Home on Erik...
Looking for smart people
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Computer Ads from...
OS-9 Bonus Content
A detailed look at OS-9 for Tandy Color Computers
3 months ago
A detailed look at OS-9 for Tandy Color Computers
Odds and Ends of...
Odds and Ends #47: I think this YouTube video just changed my life
Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
a week ago
Plus vertical farming, the Russia/EU border, and more on why the Lobby is bad.
./techtipsy
My very first career day
This post is a short overview of my experience at
a career day in Valga, Estonia, hosted with the...
10 months ago
This post is a short overview of my experience at
a career day in Valga, Estonia, hosted with the help of GreenDice.
I’ve never spoken at a career day before nor attended one as a student, which is why I instantly agreed to going to one
when GreenDice reached out to me.
Why? I...
Louwrentius
'Secure programming: how to implement user account management'
Most web applications work like this:
The application uses a single database account to perform all...
over a year ago
Most web applications work like this:
The application uses a single database account to perform all actions. Users
are just some records in a table. Account privileges and roles are part of
this table, or separate tables.
This implies that all security must be designed and build...
Notes on software...
A paper reading club at work; databases and distributed systems research
I started a paper reading club this week at work, focused on databases
and distributed systems...
8 months ago
I started a paper reading club this week at work, focused on databases
and distributed systems research. I posted in a general channel about
the premise and asked if anyone was interested. I clarified the
intended topic and that discussions would be asynchronous over email,
run...
Posts on Made of...
Two kinds of testing
While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module'
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is...
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring.
However, if this driver is installed with a regular modprobe like:
modprobe w83627ehf
The result will be:
FATAL: Error inserting w83627ehf
(/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
Arduino Blog
Improve laser engraving speeds with an Arduino-controlled turntable
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but...
6 months ago
Engraving items with a laser-based system at home is amazingly convenient for one-off parts, but what happens when the production volume needs to increase? For element14 Presents host Clem Mayer, this usually meant preparing many uniform pieces of engraving stock, opening the...
Old Vintage...
The Apple Network Server's all-too-secret weapon (featuring PPC Toolbox)
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately...
a year ago
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately larger beasts: you've met homer, my 1987 HP 9000/350 rack system, and Floodgap is powered by uppsala, a 2U-in-a-tower IBM POWER6 520 running AIX. But my first "large" machine, and...
Neil Madden
Towards a standard for bearer token URLs
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Christian Selig
Introducing Tiny Storage: a small, lightweight UserDefaults replacement
Hey I'm a developer not an artist
Following my last blog post about difficulties surrounding...
2 months ago
Hey I'm a developer not an artist
Following my last blog post about difficulties surrounding UserDefaults and edge cases that lead to data loss (give it a read if you haven’t, it’s an important precursor to this post!), I wanted to build something small and lightweight that...
Posts on Made of...
Git in pictures
In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Louwrentius
Lion's FileVault does not support Bootcamp and external boot disks
Read the comments as they may provide useful information for your particular situation
I boot my...
over a year ago
Read the comments as they may provide useful information for your particular situation
I boot my iMac from an external FW800 SSD. I found out that it is impossible to
encrypt this disk using the new FileVault as part of Lion.
Furthermore, I also found out that if you have a disk...
Matt Mullenweg
Everyone’s An Owner
Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day,...
2 months ago
Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day, there are a lot of close relationships within Automattic, and goodbyes are always hard. On Monday, I got to be Oprah for a few minutes. We had scheduled a town hall for leaders...
Matt Blewitt
Thoughts on User Safety: 2
Following up from last time, let’s explore the internal and insider fronts when moving beyond...
over a year ago
Following up from last time, let’s explore the internal and insider fronts when moving beyond security towards safety for our users.
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Louwrentius
Corsair CM PSU-750HX seems ok
I had to replace my Coolermaster PSU and after some searching on the interweb,
I chose the Corsair...
over a year ago
I had to replace my Coolermaster PSU and after some searching on the interweb,
I chose the Corsair CMPSU-750HX. One of the reasons is that Corsair states
that this PSU can withstand 50 degree Celcius in continuous operation on full
load.
The package is very, clean, with all the...
Willem's Blog
Clouds below my floor
Building a little datacenter in my basement utilising a very fast internet connection.
over a year ago
Building a little datacenter in my basement utilising a very fast internet connection.
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...
./techtipsy
My blog successfully survived a scheduled power outage
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage...
3 months ago
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage on 2024-09-13.
It was also Friday the 13th. I’m not superstitious, but I’m a little stitious.
My setup usually consists of the home server, a Wifi AP/router combo box, a converter...
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...
Applied Cartography
11ty
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a...
10 months ago
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a good amount. Maybe that's a me thing!
It is extremely fast. This site has around 2300 pages; Eleventy is compiling it in around two seconds.
The extensibility ergonomics are...
Abort Retry Fail
The History of Commodore, Part 4
The Amiga, The Decline, The Fall
a year ago
The Amiga, The Decline, The Fall
Home on Erik...
My favorite management failures
For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Applied Cartography
buttondown.com/alternatives
Some kind words from Chris Krycho on Buttondown's Alternatives page:
This is how I want all my tools...
a week 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...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 6: The Splurge
a month ago
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring'
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like...
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some
sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special
than those. Because iftop lets you monitor the speed of individual TCP / UDP
connections. Basically, you will be able to determine...
Matt Blewitt
Leadership Power Tools: SQL and Statistics
A common pattern I’ve seen over the years have been folks in engineering leadership positions that...
2 weeks ago
A common pattern I’ve seen over the years have been folks in engineering leadership positions that are not super comfortable with extracting and interpreting data from stores, be it databases, CSV files in an object store, or even just a spreadsheet. We’re going to cover SQL &...
Ken Shirriff's blog
Inside the Intel 386 processor die: the clock circuit
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this...
a year ago
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this blog post, I'll examine the clock-generation circuitry inside the Intel 386 processor.
Earlier processors such as the 8086 (1978) were simpler, using two clock phases internally.
The...
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...
Home on Erik...
ML at Twitter
I recently came across this paper describing how they do ML at Twitter.
TL;DR Their approach is...
over a year ago
I recently came across this paper describing how they do ML at Twitter.
TL;DR Their approach is pretty interesting. Everything is a Pig workflow and then they do everything as UDF's.
This approach seems pretty interesting.
Louwrentius
Highpoint RocketRAID 2320 on Debian howto
Get the 'open source' driver from www.highpoint-tech.com. (It's not open
source, it uses a closed...
over a year ago
Get the 'open source' driver from www.highpoint-tech.com. (It's not open
source, it uses a closed binary driver.)
http://www.highpoint-tech.com/USA/bios_rr2320.htm
Install the kernel headers if you haven't already
- apt-get install linux-headers-2.6.18-6-k7
- extract the...
Jonas Hietala
2010 in review
I saw a post on briancarper where he reviews the past year and it sounds like a great idea...
over a year ago
I saw a post on briancarper where he reviews the past year and it sounds like a great idea actually.
2010 Geek Achievements
Wrote a few games earlier this year;
The Chronicles of Bim: The 100 Fake Afros
A Geek Valentine
Beebop The Island Hopper
Where’s Teddy?
Updated this site a...
Matt Mullenweg
Observer Article
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More...
a month ago
Alexandra Tremayne-Pengelly writes for the Observer, WordPress Founder Matt Mullenweg Is ‘More Energized’ Than Ever Amid WP Engine Battle.
Jonas Hietala
Recent experiences with Netrunner tournaments
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three...
over a year ago
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three tournaments during February - March. After each of these tournaments I started a writeup of them but they fell off my mind a bit but consider this my break with my blogging...
Notes on software...
Make your own way
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or...
12 months ago
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or social media in general. I'd go to a meetup
every so often but I'd never make a meaningful connection with people,
whereas everyone else knew each other. I'd join an IRC group and...
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables
Previously in compiler basics:
1. lisp to assembly
3. LLVM
4. LLVM conditionals and...
over a year ago
Previously in compiler basics:
1. lisp to assembly
3. LLVM
4. LLVM conditionals and compiling fibonacci
5. LLVM system calls
6. an x86 upgrade
In this post we'll extend the compiler to support defining functions
and variables. Additionally, we'll require the...
Notes on software...
One year as a solo dev building open-source data tools without funding
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.
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.
Jonas Hietala
HandCash handles require trust and are insecure
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their...
over a year ago
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their $handle concept. It’s basically a username you use instead of the normal Bitcoin Cash address, similar to how domain names abstract away IP addresses. For example instead of...
computers are bad
2023-02-14 something up there pt I
Over the last few weeks, there has been an astounding increase in the number of
objects shot down by...
a year ago
Over the last few weeks, there has been an astounding increase in the number of
objects shot down by North American air defense. Little is yet known about some
of these objects, but it is clearly one of the more dramatic UFO turns in
recent memory. Some of the mystery is simply...
Notes on software...
Effective unemployment and social media
Being unemployed can be incredibly depressing. So much
rejection. Everything seems to be out of your...
a month ago
Being unemployed can be incredibly depressing. So much
rejection. Everything seems to be out of your control. Everything
except for one thing: what you produce.
You might know that repeatedly posting on social media that you are
looking for work is ineffective. That it looks (or...
Louwrentius
Configuring SCST iSCSI target on Debian Linux (Wheezy)
My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is...
over a year ago
My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is Debian Wheezy.
There are three iSCSI target solutions available for Linux:
LIO
IET
SCST
I've briefly played with LIO but the targetcli tool is interactive only. If you want to...
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
5 months ago
Vitalik Buterin's...
An approximate introduction to how zk-SNARKs are possible
over a year ago
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation!
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions to...
Home on Erik...
Why I went into the mortgage industry
I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Willem's Blog
iPad Pro as primary computer
Is the time right to use an iPad as primary development platform to get some real work done?
over a year ago
Is the time right to use an iPad as primary development platform to get some real work done?
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...
GitButler
Git Merge 2024
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
2 months ago
Git Merge 2024 has wrapped and we all had a heck of a good time. Here's the overview.
Good Enough
PEOs are Good Enough (for us)
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about!
If...
Notes on software...
Windows
It has been six years since I last used Windows for any remotely
serious software development. I've...
over a year ago
It has been six years since I last used Windows for any remotely
serious software development. I've used Ubuntu, Arch, or FreeBSD
since. But eventually I spent so much time working around common
workplace tasks that I decided to put Windows 10 Pro on my work
laptop.
Windows...
Neil Madden
Digital signatures and how to avoid them
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Construction Physics
Born Sleeping
A personal post about the loss of our son
3 months ago
A personal post about the loss of our son
Posts on Made of...
CVE-2007-4573: The Anatomy of a Kernel Exploit
CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It...
over a year ago
CVE-2007-4573 is two years old at this point, but it remains one of my favorite vulnerabilities. It was a local privilege-escalation vulnerability on all x86_64 kernels prior to v2.6.22.7. It’s very simple to understand with a little bit of background, and the exploit is...
Birchtree
Yet more YouTube videos I've enjoyed recently
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair...
a week ago
I guess this is a series now…
Do you have a chair where "half dirty" clothes go? If so, this chair will be very compelling.
I'm not a big fan of most Apple TV+ shows, but Severance was lovely and I can't wait
Jonas Hietala
Home office renovation
When we moved back to our childhood community and bought a house I had one pretty big requirement: I...
over a year ago
When we moved back to our childhood community and bought a house I had one pretty big requirement: I had to have a home office as I need to work remote. There simply isn’t any software development work for me here.
So the later part of 2018 and early 2019 we’ve renovated an old...
Posts on Made of...
Performance engineering, profilers, and seeing the invisible
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of...
a year ago
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of Expertise” by Gary Klein and Robert Hoffman. It’s excellent and I recommend you read it when you have a chance.
Klein and Hoffman discuss the ability of experts to “see what is not...
computers are bad
2024-07-20 minuteman missile communications
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad...
5 months ago
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad and wikimap that are going to
involve a lot more recurring expense. For that and other reasons, I want to see
if y'all would be willing to throw some money my way. If everyone...
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
7 months ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
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...
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
2 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
Posts on Made of...
Exploiting misuse of Python's "pickle"
If you program in Python, you’re probably familiar with the pickle serialization library, which...
over a year ago
If you program in Python, you’re probably familiar with the pickle serialization library, which provides for efficient binary serialization and loading of Python datatypes. Hopefully, you’re also familiar with the warning printed prominently near the start of pickle’s...
Arduino Blog
Coolest controllers ever? Icy gamepads melt in users’ hands
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major...
5 months ago
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major exception: stick drift. That’s a reliability issue that eventually affects a large percentage of Joy-Cons, to the frustration of gamers. But what if that was intentional and...
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
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment.
A...
Good Enough
Cool URLs Don’t Die
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers.
This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
Arduino Blog
This Strandbeest-style coffee table can deliver drinks
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
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....
Arduino Blog
Turning a desk mat into a MIDI drum kit
Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap....
a month ago
Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap. Those factors keep them from being an option for many people who would otherwise be interested. Conventional electronic drum sets are much quieter and a bit more compact, but they...
Jonas Hietala
2012 in Review
Like the last two years I’m summarizing the year. At the end of the year like this it always feel...
over a year ago
Like the last two years I’m summarizing the year. At the end of the year like this it always feel like I didn’t accomplish much, but after the yearly summary it always feels better.
2012 Geek Achievements
Designed a processor which fulfills the Core Wars 88 standard. Includes a...
Good Enough
TIL: Don’t forget your Web Manifest file
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective...
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones.
As we’re creating and...
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
a month ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Louwrentius
Making cowpatty recognize a four-way handshake
I was unable to get cowpatty working with a packet capture that actually
contains a four-way...
over a year ago
I was unable to get cowpatty working with a packet capture that actually
contains a four-way handshake of a WPA session.
I got it working like this:
First, download cowpatty 4.6 right here, within the source directory of
cowpatty.
Extract cowpatty and apply this patch using these...
Louwrentius
My experiences with DFS replication on Windows 2008 R2
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2.
I've implemented DFS replication to keep two...
Jonas Hietala
Why is my file so huge?
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file.
It was 14,6mb!!
Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
Home on Erik...
Scala Data Pipelines for Music Recommendations
Chris Johnson‘s presentation from Data Day Texas:
over a year ago
Chris Johnson‘s presentation from Data Day Texas:
Willem's Blog
Assembling a cargo bike
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Matt Blewitt
Tools for a Culture of Writing
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to...
over a year ago
One of the hardest things we do, as humans, is try and communicate what is going on in our minds to each other. With significant room for misunderstanding, biases, assumptions and cultural differences, communicating with other engineers (or to stakeholders) appears fraught....
Engineers Need Art
VPX Scripting - Part 5 (DOF)
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
Notes on software...
The case for comments in code
When I first started programming, especially when asked for code
samples, my comments lacked purpose...
over a year ago
When I first started programming, especially when asked for code
samples, my comments lacked purpose and would often duplicate in
English what the code clearly indicated. I knew that "commenting is
good" but as a beginner I had no further insight.
Over time with the help of books...
Jonas Hietala
Evolution of RTS games
Introduction
This is an essay for the course Game Design and I’m going to give you a ride through...
over a year ago
Introduction
This is an essay for the course Game Design and I’m going to give you a ride through the evolution of RTS game genre. I like RTS games and I’ve played them for as long as I can remember, from the classic Red Alert and Age of Empires to the newer Supreme Commander and...
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...
Willem's Blog
Your own addressbook and calendar cloud
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data...
over a year ago
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data and share it between your devices.
Computer Ads from...
E-Z Tax
The Tax Break You've Been Looking for !
8 months ago
The Tax Break You've Been Looking for !
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...
a week 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 —
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
3 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
Jonas Hietala
Design for Hackers has arrived!
Design for Hackers
It’s here! After about a month of waiting I’ve finally gotten the book that will...
over a year ago
Design for Hackers
It’s here! After about a month of waiting I’ve finally gotten the book that will make me a design god! Or at least make me aware of something called design. Joking aside I’m really terrible at design and making things look good. Admittedly my programming art...
Notes on software...
An intuition for distributed consensus in OLTP systems
Distributed consensus in transactional databases (e.g. etcd or
Cockroach) is a big deal these days....
10 months ago
Distributed consensus in transactional databases (e.g. etcd or
Cockroach) is a big deal these days. Most often under the hood are
variations of log-based Paxos-like algorithms such as MultiPaxos,
Viewstamped Replication, or Raft. While there are new variations that
come out each...
Matt Blewitt
Movement for Engineers
Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things,...
a year ago
Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things, they need regular maintenance. Here is a brief introduction to keeping your body moving as someone who spends a lot of time sitting down.
Jonas Hietala
Blogging in Djot instead of Markdown
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec?
John Macfarlane, Beyond Markdown
I recently...
Notes on software...
What makes a great technical blog
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely...
8 months ago
I want to explain why the blogs in My favorite technical
blogs are my favorite. That
page is solely about non-corporate tech blogs. So this post is
too. I'll have to make another list for favorite corporate tech blogs.
In short, they:
Tackle hard and confusing topics
Show working...
Gwern.net Newsletter
October 2020 news
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization &...
over a year ago
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization & improvement.
./techtipsy
My server setups throughout the years
My self-hosting adventure started during my university days. Once I actually had money to buy myself...
over a year ago
My self-hosting adventure started during my university days. Once I actually had money to buy myself a decent used laptop
(ThinkPad T430) that had more than 3GB of RAM that my ThinkPad T60 had, I could use some of my older hardware as
testbeds for any of the stupid ideas that I...
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,...
./techtipsy
I tried out the CyberPower UT650EG UPS
After some spicy feedback to my post where a ThinkPad T430 acted as a server,
I decided to try out...
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server,
I decided to try out one UPS that was recommended on the basis of it being much
more power efficient compared to the APC UPS that I previously ran.
That UPS? CyberPower UT650EG.
Why switch out a...
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
9 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
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...
Home on Erik...
Bagging as a regularizer
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and...
over a year ago
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and get an approximation for the full distribution. This can then be used to penalize predictions with larger uncertainty, which helps reducing false positives.
Posts on Made of...
On git and usability
I’ve been helping a number of people get started working with git over the last couple of weeks, as...
over a year ago
I’ve been helping a number of people get started working with git over the last couple of weeks, as Ksplice has brought on some new interns, and we’ve had to get them up to speed on our internal git repositories. (As you might expect from a bunch of kernel hackers, we use git for...
Arduino Blog
Arduino Cloud is now natively supported on tablets
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version...
7 months ago
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version (available for both Android and iOS platforms) optimized for unlocking the full potential of larger screen sizes. What is the Arduino IoT Remote app? The Arduino IoT Remote app allows...
Notes on software...
Let's build a distributed Postgres proof of concept
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies...
over a year ago
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies that do a lot of work: a
PostgreSQL wire protocol
implementation, a storage
layer, a Raft implementation
for distributed consensus. And not
part of go.mod but still building on 3rd...
./techtipsy
Trying out VR on an AMD Ryzen 4000 series APU
You may know that I really like small, efficient APU-based builds.
At this point in time, they’re so...
over a year ago
You may know that I really like small, efficient APU-based builds.
At this point in time, they’re so close to being a viable mainstream option for
gaming, especially the Ryzen 6000-series mobile APU-s. Forza Horizon 5, at
1080p high settings? Yes, they’re that good.
I don’t have...
seangoedecke.com RSS...
Talking to ChatGPT costs 5ml of water, not 500ml
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50...
a month ago
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50 responses. Here are some randomly-chosen…
Louwrentius
Raspberry Pi as a router using a single network interface
Introduction
Disclaimer: this article is intended for consumers and hobbyists.
If you want to run...
over a year ago
Introduction
Disclaimer: this article is intended for consumers and hobbyists.
If you want to run your own router at home, the Raspberry Pi 4 Model B1 can be an excelent hardware choice:
it's fairly cheap
it's fast enough
it can saturate it's gigabit network port
it is...
Matt Mullenweg
Kindness and Techcrunch Disrupt
Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their...
a month ago
Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their awesome non-profit kindness.org. You can listen to it through Pocket Casts here: This is kind of funny because I’m obviously in the midst of the big battle with Silver Lake and WP...
computers are bad
2023-07-29 Free Public WiFi
Remember Free Public WiFi?
Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
Remember Free Public WiFi?
Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza
in Atlanta, Georgia. This was in the age when the price of a hotel room was
directly correlated with the price of the WiFi service, and as a high school
student I was not...
Arduino Blog
Speed up your project’s compile time by up to 50% in Arduino Cloud!
At Arduino, we know how precious your time is when you’re building your next big project or...
a week ago
At Arduino, we know how precious your time is when you’re building your next big project or experimenting with new ideas. That’s why we’re thrilled to introduce a game-changing update to the Cloud Editor Builder — the engine behind compiling your sketches in Arduino Cloud. This...
Louwrentius
Script that shows ETA of RAID rebuild / reshape
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time...
over a year ago
I made a small script that converts the output of cat /proc/mdstat to an
actual date and time telling you when the RAID rebuild / reshape is finished.
This is the link to the correct version of the script.
Example:
debian:~# ./raid-rebuild-eta.sh
Estimated time of finishing...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
GitButler
GitButler is now Fair Source
GitButler is now officially one of the first members of the Fair Source movement, helping to shift...
4 months ago
GitButler is now officially one of the first members of the Fair Source movement, helping to shift closed source to publicly available software by default.
Notes on software...
In response to a frontend developer asking about database development
This is an external post of mine. Click
here
if you are not redirected.
a year ago
This is an external post of mine. Click
here
if you are not redirected.
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...
seangoedecke.com RSS...
Acing the design interview
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work...
over a year ago
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work with a particular web service or…
Jonas Hietala
Good and Bad Programmers
Every now and day blog posts about what it takes to be a good programmer or how you figure out if...
over a year ago
Every now and day blog posts about what it takes to be a good programmer or how you figure out if someone is a bad programmer arrives. There’s always talk about how you find the good programmers in interviews and the topic is always hot in schools and universities.
Today I read...
Louwrentius
Please use ZFS with ECC Memory
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs.
Why ZFS?
Many people...
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...
Louwrentius
Creating configuration backups of HP procurve switches
I've created a tool called procurve-watch. It creates a backup of the running switch configuration...
over a year ago
I've created a tool called procurve-watch. It creates a backup of the running switch configuration through secure shell (using scp).
It also diffs backed up configurations against older versions, in order to keep track of changes. If you run the script from cron every hour or...
Willem's Blog
Visiting an international hackers conference
This month I attended Global AppSec Amsterdam, an international conference for hackers and security...
over a year ago
This month I attended Global AppSec Amsterdam, an international conference for hackers and security specialists. Read along for some of the highlights.
Vitalik Buterin's...
DAOs are not corporations: where decentralization in autonomous organizations matters
over a year ago
Nabeel S. Qureshi
How To Sell
Sales at a startup is counter-intuitive.
over a year ago
Sales at a startup is counter-intuitive.
csvbase blog
My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
Simply Explained
Analyzing Link Rot in My Newsletter (After 31 Editions)
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to...
a year ago
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to interesting articles related to science and technology. I thought it would be interesting to analyze how many of those links are still accessible, and how many have succumbed to link rot....
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
Notes on software...
Notes from Neal Gabler's Walt Disney
Disney was a celebrity by his mid-30s, Disney the company was famous
by 1930s.
Even though...
a year ago
Disney was a celebrity by his mid-30s, Disney the company was famous
by 1930s.
Even though politically the 1930s was considered the decade of
Roosevelt (elected President in 1933), culturally the 1930s was
considered the decade of Mickey Mouse.
Almost every new...
Neil Madden
Some incomplete thoughts about Gödel
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve...
over a year ago
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve wanted to write about for some time. Although many articles do a decent job in giving an idea of what the big deal is (and this one is pretty good), they can sometimes give a...
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine
There is something inherently intriguing about submarines that doesn’t seem to apply to other...
4 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Engineers Need Art
VPX Scripting - Part 2 (Linting)
The second in a series of posts about scripting Visual Pinball tables.
8 months ago
The second in a series of posts about scripting Visual Pinball tables.
Arduino Blog
This fake CRT TV works using lasers and UV magic
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media...
3 weeks ago
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media was made to suit them. Retro video game consoles in particular look best on CRT TVs. But those old TVs are getting hard to find and desirable models are now quite expensive. So,...
Jonas Hietala
2013 Read Books
I actually read more books in 2013 than in 2012.
In a somewhat unorganized list:
Fiction
Livet...
over a year ago
I actually read more books in 2013 than in 2012.
In a somewhat unorganized list:
Fiction
Livet Deluxe - Jens Lapidius
Escape from camp 14 - Blaine Harden
Wonderful. A great book.
Edge - Jeffery Deaver
Dollar - Lee Child
Gisslan - Lee Child
Bränd - Lee Child
Besökaren - Lee...
Good Enough
TIL: Listen for JavaScript events only once!
A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
Matt Mullenweg
Response to DHH
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal,...
2 months ago
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal, hateful words poisoned my brain, and the original version of this post was mean. I am so sorry. I shouldn’t let this stuff get to me, but it clearly did, and I took it out on DHH,...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA)
When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Abort Retry Fail
The History of GM-NAA I/O and SHARE
The Birth of Computer Operating Systems
a year ago
The Birth of Computer Operating Systems
Posts on Made of...
My Apollo Bibliography
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
over a year ago
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
./techtipsy
The best laptop is the one somebody else had
In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the
400 EUR range. I...
a month ago
In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the
400 EUR range. I ended up picking
an ASUS Eee PC 1201PN. It was new and the
first computer in my life that was 100% mine, but awfully slow for a lot of tasks.
It was so slow that I ended up giving...
Jordan’s Substack
Coming soon
This is Jordan’s Substack.
a month ago
This is Jordan’s Substack.
Jonas Hietala
A *
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked.
I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
./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...
Lighthouse Blog
Updates December 01: UX improvements
a year ago
Posts on Made of...
Conkeror
I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension,...
over a year ago
I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension, but nowadays it’s a standalone app built on top of Mozilla’s xulrunner, so it uses the Gecko rendering engine.
What it is, is an emacs implemented in Javascript, for the web. This...
Engineers Need Art
SystemSix
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an...
over a year ago
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an e-ink display.
Louwrentius
Benefits of hyper-threading on a Core 7i processor
I had some wave files that I wanted to encode to mp3. I wrote a small parallel
processing framework...
over a year ago
I had some wave files that I wanted to encode to mp3. I wrote a small parallel
processing framework for this job. It executes parallel jobs so I can benefit
from the 4 cores + 4 virtual cores of my new Core 7i 920 processor.
The framework is based on some shell scripts running...
Notes on software...
Compiling dynamic programming languages
It can be difficult to disassociate the idea that dynamically typed
programming languages are tied...
over a year ago
It can be difficult to disassociate the idea that dynamically typed
programming languages are tied to byte-code interpreters (e.g. YARV
Ruby, CPython, V8, Zend Engine, etc.). But for many languages, a
compiled implementation also exists. Cython, Chicken Scheme and SBCL
are good...
Neil Madden
Is Datalog a good language for authorization?
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence...
over a year ago
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence in interest in recent years. In particular, several recent approaches to authorization (working out who can do what) have used Datalog as the logical basis for access control...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Old Vintage...
The spawn of AtariLab and the Universal Lab Interface
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't...
a year ago
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't mean I was unaware of Atari 8-bits. There was a family at church who had an 800XL and later a 130XE — and a stack of COMPUTE!'s I used to read through for hours — and it was...
Azad's Blog
RealityCapture to Gaussian Splatting using PostShot
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import...
5 months ago
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import it into PostShot to train Gaussian Splats without using COLMAP. Video tutorial RealityCapture Import your images and align them. If you ever need help with tricky dataset, refer to...
Matt Mullenweg
Michael Palmisano on Collier
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on...
a month ago
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on YouTube, and one of my favorite genres of videos is genius musicians breaking down the incredible musical stuff Jacob is doing. (He even has his own instrument now.) This reaction...
Jonas Hietala
The I'm Great quote
A new semester at the uni and so far it looks promising; I got a hold of some new books even though...
over a year ago
A new semester at the uni and so far it looks promising; I got a hold of some new books even though the bookstore had a snakelike queue similar to the Jörmungandr (the snake that encircled the earth in nordic mythology) and our new programming course started. This time it’s Ada’s...
Jonas Hietala
Default audio card in linux
There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me.
I had three separate problems:
Getting sound
Playing sound from multiple sources at the same time
Audio card getting different numbers on reboot
Getting sound
Here I...
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32)
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Applied Cartography
Improving Django's default pagination performance
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
4 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can.
The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
Louwrentius
Mounting a file system or partition from a disk image
You cannot just make a disk copy with dd and then just mount it as a regular
disk. You must know...
over a year ago
You cannot just make a disk copy with dd and then just mount it as a regular
disk. You must know where the partition starts on the disk. So first, you need
to get the partition table with sfdisk:
sfdisk -l -uS image_file.dd
The output is something like:
Disk...
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.
seangoedecke.com RSS...
Writing good technical explanations
Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
./techtipsy
How I fixed one hardware issue with another one
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac
motherboard that used to run fine, but ever...
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac
motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue:
whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
./techtipsy
Oversimplified guide into snapshots on the btrfs filesystem
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files...
over a year ago
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files around. You finish the script and test it out.
Oops.
All the files now have all the wrong names, and some have been randomly moved
10 folders deep. It’s a mess.
And you didn’t make a...
Good Enough
You Complete Me
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
2 weeks ago
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one or two people who were
only semi-serious about a business), it was fun to play around with building websites.
Shawn and I were truly just playing and exploring, more than anything...
Willem's Blog
Supernova E3 Pro 2 dynamo powered headlight
over a year ago
OH8HUB’s Substack
Spring day ham radio activation in Hiastinlahti, Finland
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of...
a year ago
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of Bothnia. This area is a Nature 2000 nature reserve area and good spot for bird watching. The area has a two kilometer long nature trail with fireplace, lean-to and toilet. From the...
Christian Selig
Trials and tribulations of 360° video in Juno
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is...
10 months ago
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is whether it supports 360° and 180° videos (for the unfamiliar, it’s an immersive video format that fully surrounds you). The short answer is no, it’s sort of a niche feature without...
Nabeel S. Qureshi
Reading Notes on “Lost Time: Lectures on Proust in a Soviet Prison Camp”
by Josef Czapski
over a year ago
Notes on software...
SMTP protocol basics from scratch in Go: receiving email from Gmail
I've never run my own mail server before. Before today I had no clue
how email worked under the hood...
over a year ago
I've never run my own mail server before. Before today I had no clue
how email worked under the hood other than the very few times I've set
up mail clients.
I've heard no few times how hard it is to send mail from a
self-hosted server (because of spam filters). But how hard can...
Jonas Hietala
Failed mime type for Krita
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error:
Could not find mime type "application/x-krita"
Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Lars Lofgren
The Stupidity of Google’s Site Reputation Abuse Policy
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of...
a month ago
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of pages in Google. The SEO community refers to this type of thing as parasite SEO. Google has gone so far as to publish an official policy (documented here) on how this isn’t allowed:...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL.
While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
Louwrentius
Solaris is an obsolete platform
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the...
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we
must conclude that the Solaris operating system is obsolete. Solaris can be
considered legacy. Sun was a hardware shop and to sell their hardware, they
needed a great operating system.
Sun had a great...
Ken Shirriff's blog
The Pentium as a Navajo weaving
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving...
3 months ago
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving with a complex abstract
pattern.
Suddenly, I realized the pattern was strangely familiar, so I stopped and looked closely.
The design turned out to be an image of Intel's Pentium...
Jonas Hietala
Doing some online Personality tests
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity.
The Braverman Test
Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Louwrentius
Compiling Handbrake CLI on Debian Lenny
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although...
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please
note that although the Handbrake GUI version does compile on Lenny, it crashes
with a segmentation fault like this:
Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5
and height...
Posts on Made of...
Transformers for software engineers
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Computer Ads from...
Applied Analytics' MicroSPEED
Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
6 months ago
Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
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