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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
4
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.
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Applied Cartography
Notes on buttondown.com We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
3 months ago
3
3 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made. As...
Notes on software...
Learning a new codebase: hacking on nginx I have never contributed to nginx. My C skills are 1/10. But downloading the source, hacking it up,...
over a year ago
2
over a year ago
I have never contributed to nginx. My C skills are 1/10. But downloading the source, hacking it up, compiling it, and running it doesn't scare me. This post is to help you overcome your own fears about doing so. Not necessarily because you should be running out-of-tree diffs in...
Louwrentius
Most Technical debt is just bullshit Introduction I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
2
over a year ago
Introduction I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to: cover up bad code cover up unfinished work source1 Calling...
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
3
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...
Gwern.net Newsletter
July 2020 gwern.net newsletter Links on the Uighurs, authoritarianism, negative emissions, AI overhang; 1 movie & 2 anime reviews
over a year ago
Applied Cartography
Why your marketing site should be separate In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
3 months ago
3
3 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
Posts on Made of...
Advent of Code in C++ Template Metaprogramming This December, the imp of the perverse struck me, and I decided to see how many days of Advent of...
a year ago
2
a year ago
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of Code I could do purely in compile-time C++ metaprogramming. As of this writing, I’ve done two days, and I’m not sure I’ll make it any further. However, that’s one more day than I...
Willem's Blog
Repairing a Giro AEON bicycle helmet Try fixing your Giro bicycle helmet? I went through some trouble to do it! Read along to find out...
over a year ago
Posts on Made of...
Test suites as classifiers Suppose we have some codebase we’re considering applying some patch to, and which has a robust and...
over a year ago
2
over a year ago
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and maintained test suite. Considering the patch, we may ask, is this patch acceptable to apply and deploy. By this we mean to ask if the patch breaks any important functionality,...
computers are bad
2024-12-21 something over New Jersey There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of...
yesterday
8
yesterday
There were thousands of reports: strange aircraft, floating through the sky. A retrospective sum of press accounts finds that some 100,000 people were reported to have witnessed aerial intruders. Despite the scant details associated with most reports, an eager press repeated the...
Louwrentius
Setting up a Jabber instant messaging server |_http-title: Site doesn't have a title (text/html;... I wanted to see how dificult it is to setup an instant messaging server based on open source...
over a year ago
2
over a year ago
I wanted to see how dificult it is to setup an instant messaging server based on open source software. Now I know that it is very easy, unless you are stubborn and do things your own way. In this example, I'm setting up a small IM server that is only for internal company use, but...
Jonas Hietala
Printing Hextraction for my kids A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with...
10 months ago
2
10 months ago
A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with my 3D printer instead of just tinkering with it. I printed Hextraction, a very cool 3D printed board game for my kids—and they love it. Hextraction is a gamified marble run, where...
csvbase blog
How does it know I want csv? ⁠— An HTTP trick Forgotten parts of RFC2616
a year ago
Jonas Hietala
December Theme: New World Order The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of...
over a year ago
2
over a year ago
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of this year but that’s something we can’t accept! I’ve done my game and I didn’t force myself out from the Haskell world just to do nuthin so here’s a new little theme for me :) What...
Lighthouse Blog
Lighthouse now integrates with mobile reader apps
5 months ago
Matt Mullenweg
Rhino Dehorning Yesterday in the African bush was great, I saw giraffes, zebras, warthogs, leopard turtles,...
2 months ago
4
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...
Lars Lofgren
My 7 Rules for A/B Testing That Triple Conversion Rates I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I...
over a year ago
2
over a year ago
I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I double or triple conversion rates without caring how a test performs? I actually care about the whole SYSTEM of testing. All the pieces need to fit together just right. If not,...
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
6 months ago
65
6 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
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
3
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...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
70
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa, and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s a new museum around here! The...
Neil Madden
From KEMs to protocols This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
2
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
Applied Cartography
How shadcn/ui examples work I’m increasingly convinced that for developer-first tools, a really good docs experience is a...
7 months ago
2
7 months ago
I’m increasingly convinced that for developer-first tools, a really good docs experience is a durable, non-trivial advantage. Part of this thesis is that Really Good Docs Experiences, in addition to having great information architecture and strong writing/prose, should be thought...
Applied Cartography
November, 2024 Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved,...
2 weeks ago
5
2 weeks ago
Not a lot to share this month; it was a particularly busy time, between a mystery (and now solved, without fanfare or closure) cough and a dearth of time to write as I started to explore easing back into full-time work. Still, some writing (and selfishly, I'm excited to end the...
Arduino Blog
Exercise while you game with this interactive treadmill add-on Motion-based controls for games have been around for decades, but even with the latest generation of...
3 months ago
42
3 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
a month ago
4
a month ago
You want to check for strict consistency (linearizability) for your project but you don't want to have to deal with the JVM. Porcupine, used by a number of real-world systems like etcd and TiDB, has you covered! Importantly, neither Jepsen projects nor Porcupine can...
Bryan Braun - Blog
Why we prefer computers over consoles when introducing kids to gaming I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing...
9 months ago
3
9 months ago
I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing games with my brothers on those devices. But as my own kids have gotten older, my wife and I have decided to first introduce them to gaming with computers, instead of consoles. The...
Home on Erik...
The power of ensembles From my presentation at MLConf, one of the points I think is worth stressing again is how extremely...
over a year ago
2
over a year ago
From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works. In this case, we're training machine learning algorithms on different data sets (playlists, play counts, sessions) and different...
Louwrentius
ZFS: resilver performance of various RAID schemas When building your own DIY home NAS, it is important that you simulate and test drive failures...
over a year ago
2
over a year ago
When building your own DIY home NAS, it is important that you simulate and test drive failures before you put your important data on it. It makes sense to know what to do in case a drive needs to be replaced. I also recommend putting a substantial amount of data on your NAS and...
Notes on software...
io_uring basics: Writing a file to disk King and I wrote a blog post about building an event-driven cross-platform IO library that...
a year ago
2
a year ago
King and I wrote a blog post about building an event-driven cross-platform IO library that used io_uring on Linux. We sketched out how it works at a high level but I hadn't yet internalized how you actually code with io_uring. So I strapped myself down this week and wrote...
lcamtuf’s thing
Shining light on photodiodes Photodiodes are incredibly versatile, but commonly misused and misunderstood.
2 months ago
Willem's Blog
Using AI to generate code Discover how AI-generated code can revolutionise your software development process and optimise...
a year ago
2
a year ago
Discover how AI-generated code can revolutionise your software development process and optimise cloud performance in our fascinating exploration of GPT-4's transformative capabilities.
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
33
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...
Vitalik Buterin's...
What in the Ethereum application ecosystem excites me
over a year ago
Willem's Blog
Space travelling from El Teide On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a...
over a year ago
3
over a year ago
On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a perfect altitude for stargazing.
Style over Substance
Peak Design quick-connect Leash and Cuff straps My camera collection has been growing steadily over the years, but it’s been expanding even faster...
over a year ago
71
over a year ago
My camera collection has been growing steadily over the years, but it’s been expanding even faster during the COVID-19 lockdowns. Online shopping therapy keeps me sane while I’m cooped up at home, and with easy access to eBay and other auction sites my GAS – photographers...
./techtipsy
DIY cloud gaming setup with VFIO, Parsec and AMD This is a follow-up to my previous post where I covered the VFIO setup in general. For many people...
over a year ago
36
over a year ago
This is a follow-up to my previous post where I covered the VFIO setup in general. For many people that would have been good enough, but my goal with this setup was to have a powerful gaming setup that I could access from my living room PC with 20 meters of Ethernet cables...
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
3
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.
Home on Erik...
Where do locals go in NYC? One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious...
over a year ago
2
over a year ago
One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious about the larger patterns around this, so I spent some time looking at data. The thing I wanted to understand is: what areas are dominated by tourists?
Arduino Blog
Bringing Quake to Arduino: a game-changing project by Nicola Wrachien Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon...
2 months ago
27
2 months ago
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon Labs, a leader in secure, intelligent wireless technology for a more connected world and long-time Arduino partner – has now tackled an even bigger challenge: porting Quake, the...
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Willem's Blog
Using Google Free Android Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to...
over a year ago
2
over a year ago
Using a Google Free Android phone is uncommon these days, yet I decided to try the Volla Phone to experience its freedom and privacy.
Arduino Blog
Arduino Education at Bett 2025: Shaping the future of K-12 and HE Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from...
5 days ago
8
5 days ago
Mark your calendars… Arduino Education is coming to Bett UK 2025! Taking place for three days from January 22nd-24th at the ExCeL exhibition center in London, Bett is the ultimate global event for educational innovation.  We are attending the stand with our partner CreativeHut...
Vitalik Buterin's...
Gitcoin Grants Round 6 Retrospective
over a year ago
axio.ms
Pickle plus mains Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
3
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science. Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
Arduino Blog
Storing ephemeral micropoetry on RFID cards for bite-sized readings Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of...
3 months ago
30
3 months ago
Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of poetry from cover-to-cover over the course of a few sessions, the majority of people seem to prefer enjoying poetry in occasional little chunks. And unlike the epic poems of Greek...
Home on Erik...
Fun with trigonometry: the world's most twisted coastline I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
2
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
Louwrentius
Configuring, attacking and securing VRRP on Linux The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple...
over a year ago
2
over a year ago
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple routers in an active/passive configuration. If the primary router fails, the backup router takes over almost seamlessly. This is how VRRP works: Clients connect to a virtual...
Posts on Made of...
Some opinionated thoughts on SQL databases People who work with me tend to realize that I have Opinions about databases, and SQL databases in...
over a year ago
2
over a year ago
People who work with me tend to realize that I have Opinions about databases, and SQL databases in particular. Last week, I wrote about a Postgres debugging story and tweeted about AWS’ policy ban on internal use of SQL databases, and had occasion to discuss and debate some of...
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
2
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
Jonas Hietala
Netrunner ID draft Örebro I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what...
over a year ago
2
over a year ago
I entered an ID draft tournament in Netrunner hosted in Örebro and this is a brief overview of what happened. Disclaimer: My memory is a little bit fuzzy and the events may or may not correspond to what actually happened. The draft The idea was to randomly sort all entrants and...
computers are bad
2023-03-13 the door close button This will probably be a short one, and I know I haven't written for a while, but it has always been...
a year ago
42
a year ago
This will probably be a short one, and I know I haven't written for a while, but it has always been the case that you get what you pay for and Computers Are Bad is nothing if not affordable. Still, this is a topic on which I am moderately passionate and so I can probably stretch...
computers are bad
2023-01-29 the parallel port A few days ago, on a certain orange website, I came across an article about an improvised parallel...
a year ago
57
a year ago
A few days ago, on a certain orange website, I came across an article about an improvised parallel printer capture device. This contains the line: There are other projects out there, but when you google for terms such as "parallel port to usb", they drown in a sea of "USB to...
csvbase blog
Parquet: more than just "Turbo CSV" Quicker, but also more convenient
a year ago
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Posts on Made of...
Thoughts On Kubernetes I spent a while the last week porting livegrep.com from running directly AWS to running on...
over a year ago
3
over a year ago
I spent a while the last week porting livegrep.com from running directly AWS to running on Kubernetes on Google’s Cloud Platform (specifically, the google container engine, which provisions and manages the cluster for me). I left this experience profoundly enthusiastic about the...
Vitalik Buterin's...
Should Ethereum be okay with enshrining more things in the protocol?
a year ago
computers are bad
2024-05-06 matrix For those of you who are members of the Matrix project, I wanted to let you know that I am running...
7 months ago
121
7 months ago
For those of you who are members of the Matrix project, I wanted to let you know that I am running for the Governing Board, and a bit about why. For those of you who are not, I hope you will forgive the intrusion. Maybe you'll find my opinions on the topic interesting anyway. I...
Jonas Hietala
Focusing Attention: Study Hacking A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my...
over a year ago
2
over a year ago
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my part. But the past is the past and this week I’m going to be study focused. Not that I need to study, but I really need to rework my study technique. I’ve been going on like a classical...
Home on Erik...
Delivering Music Recommendations I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
2
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Buck on Software
Crypto and Chasing the Dragon Marc and Ben’s midlife crisis and the Crypto Crusades
over a year ago
Jonas Hietala
Groar Download Linux 64bit Windows So I actually finished Ludum Dare 33. I can’t believe how hard it was...
over a year ago
2
over a year ago
Download Linux 64bit Windows So I actually finished Ludum Dare 33. I can’t believe how hard it was to actually make something! It continues to amaze me what fantastic stuff everyone manage to make in just 48 hours. This is what I came up with for the theme You are the Monster....
computers are bad
2024-12-11 travelers information stations Histories of radio broadcasting often make a particular focus on the most powerful stations. For...
a week ago
20
a week ago
Histories of radio broadcasting often make a particular focus on the most powerful stations. For historic reasons, WBCT of Grand Rapids, Michigan broadcasts FM at 320¸000 watts. Many AM stations are licensed to operate at 50,000 watts, but this modern license limit represented a...
Home on Erik...
Pinterest open sources Pinball Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two...
over a year ago
2
over a year ago
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two blog posts: Pinball: Building workflow management (from 2014) and Open-sourcing Pinball (from this week). The author has a comment in the comments thread on Hacker News:
Bryan Braun - Blog
One Million Checkboxes and the fear of viral success When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If...
4 months ago
2
4 months ago
When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If you haven't heard of One Million Checkboxes, see the Wikipedia article for more details. I loved everything about One Million Checkboxes. It was simple but strangely compelling....
Old Vintage...
After 41 years, my first assembly program on my first computer, the Tomy Tutor We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor...
9 months ago
83
9 months ago
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor isn't a replacement system I secondarily acquired, nor is it a Ship of Theseus Frankenstein rebuild. This is my actual first computer, in its original case, on its original...
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
./techtipsy
The IPv6 situation on Docker is good now! Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently...
2 days ago
14
2 days ago
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently started reworking my home server setup to be more IPv6 compatible, and as part of that I learned that during the summer of 2024 Docker shipped an update that eliminated a lot of the...
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
2
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...
Vitalik Buterin's...
Trust Models
over a year ago
Vitalik Buterin's...
Degen communism: the only correct political ideology
8 months ago
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
4
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...
Applied Cartography
October, 2024 Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
4
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought): On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
Posts on Made of...
Disable Transparent Hugepages tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
2
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications...
Willem's Blog
The best bike computer app: Cyclemeter Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a...
over a year ago
3
over a year ago
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Home on Erik...
3D in D3 I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
2
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon). D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Matt Mullenweg
WPAI Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some...
a week ago
5
a week ago
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some very cool products including CodeWP, AgentWP, and WP.chat.
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
28
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Willem's Blog
Lessons from a takeaway plastic bag How we're tricked into repeated purchases replacing perfectly fine products just for the sake of...
over a year ago
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
Arduino Blog
This Flip-Pelt wearable concept enables ultra-fast thermal feedback in VR Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on...
a month ago
14
a month ago
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on your arm? Or the cold of chilly water? Engineers around the world have been trying to make that happen, but there is a big problem: temperature changes are slow. The immersive...
latest projects -...
Light comms on the 003 [Hardware] Tiny terrahertz transmissions
4 months ago
Style over Substance
My grandfather’s Rolleiflex 2.8D twin-lens reflex (TLR) camera One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family...
over a year ago
63
over a year ago
One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family cameras it had disappeared into a closet decades ago and was only found again recently. When he gave it to me, he told me there was another classic camera he wanted to give me – if...
computers are bad
2023-07-10 the tragedy of beatrice foods Occasionally, research into the history of telephony takes you into some strange places. There are...
a year ago
66
a year ago
Occasionally, research into the history of telephony takes you into some strange places. There are conspiracy theories, of course, and there are people who insist on their version of events so incessantly that details of dates and places can become heated arguments. There is also...
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
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
73
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...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
over a year ago
2
over a year ago
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. an x86 upgrade In this post we'll extend the ulisp compiler's LLVM backend to support printing integers to...
Lighthouse Blog
How to stay on top of (new) content
6 months ago
./techtipsy
Monitoring energy usage with smart plugs, Prometheus and Grafana This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup...
7 months ago
116
7 months ago
This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup as those types of guides tend to get out of date really easily, but if you know your way around Linux and the command line, then you can definitely replicate this setup on your...
Arduino Blog
How makers can use AR and VR Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in...
6 months ago
35
6 months ago
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in popularity, with the combined market expected to reach $77 billion by 2025, from just $15.3 billion in 2020. For makers, AR and VR represent exciting opportunities to build new...
Jonas Hietala
Generating ideas So I got a fairly fun assignment from the game design course I’m taking for once. I should come up...
over a year ago
3
over a year ago
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up with 50 ideas using my own idea generation technique. I used a sort of “notes in the basket” approach where you placed some notes with words in a basket and randomly drew two and...
Home on Erik...
Pareto efficency Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
2
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
Home on Erik...
Being data driven I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long...
over a year ago
2
over a year ago
I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long interview with U.S. General Stanley McChrystal and I thought it was pretty interesting how striking some of the similarities are between fighting in a war and developing software.
Vitalik Buterin's...
An approximate introduction to how zk-SNARKs are possible
over a year ago
Jonas Hietala
Friend of the Tree I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
3
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Simply Explained
Shelly 2.5: Flash ESPHome Over The Air! It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're...
over a year ago
2
over a year ago
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're well built, tiny and rock solid, and best of all: compatible with ESPHome.I flashed ESPHome onto all my Shelly 1's, but for some reason, I have issues with my Shelly 2.5 devices......
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
10 months ago
104
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes them hard to follow. I spent a good evening extracting the schematics pages, cutting-and-pasting them together...
Willem's Blog
Removing paint from a bike frame Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal,...
over a year ago
3
over a year ago
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal, raw aluminium look.
Home on Erik...
2D embedding of 5k artists = WIN I'm at KDD in Chicago for a few days. We have a Spotify booth tomorrow, and I wanted to put together...
over a year ago
2
over a year ago
I'm at KDD in Chicago for a few days. We have a Spotify booth tomorrow, and I wanted to put together some cool graphics to show. I've been thinking about doing a 2D embedding of the top artists forever since I read about t-SNE and other papers so this was a perfect opportunity to...
Gwern.net Newsletter
November newsletter November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
3
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
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
2
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...
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
2
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...
Arduino Blog
Easy and fun block-based coding with the Alvik robot is here, now Chromebook compatible! At Arduino, we believe coding should be accessible to everyone – including the youngest learners....
a month ago
20
a month ago
At Arduino, we believe coding should be accessible to everyone – including the youngest learners. With this in mind, we’re thrilled to announce that the Arduino Alvik robot now officially supports block-based coding! Coding has never been easier thanks to Alvik’s seamless...
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
2
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...
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
2
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them. Protecting that signing key is important, as Apple must blindly trust any binaries...
Ian's Blog
Mourning the Loss of Cohost The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting...
3 months ago
2
3 months ago
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting down, with the site going read-only on October 1st 2024. This news was deeply upsetting to receive, as Cohost filled a space left by other social media websites when they stopped...
Lighthouse Blog
A primer on view management
6 months ago
Jonas Hietala
OP_RETURN based tokens are fundamentally flawed Two new Bitcoin Cash token solutions have recently been suggested: Simple Ledger Protocol: A token...
over a year ago
2
over a year ago
Two new Bitcoin Cash token solutions have recently been suggested: Simple Ledger Protocol: A token system for Bitcoin Cash Introducing Colored Coins: a Bitcoin Cash token implementation Both are improvements over Tokeda as they allow permissionless transfers. However all commit...
Applied Cartography
PSA: mess around with Kolo I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
9 months ago
2
9 months ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code. If you have a Django app, I think you should drop...
Computer Ads from...
ProHance Technologies' Power Mouse Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
computers are bad
2024-10-12 commercial HF radio According to a traditional system of classification, "high frequency" or HF refers to the radio...
2 months ago
35
2 months ago
According to a traditional system of classification, "high frequency" or HF refers to the radio spectrum between 3 and 30 MHz. The label now seems anachronistic, as HF is among the lowest ranges of radio frequencies that see regular use. This setting of the goalposts in the early...
Good Enough
Fixing Things In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
2
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Home on Erik...
Iterate or die Here's a conclusion I've made building consumer products for many years: the speed at which a...
over a year ago
2
over a year ago
Here's a conclusion I've made building consumer products for many years: the speed at which a company innovates is limited by its iteration speed. I don't even mean throughput here. I just mean the cycle time.
lcamtuf’s thing
Deep dive: the (in)stability of op-amps A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
a month ago
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
2
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.
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
Willem's Blog
Around town in an electric car For one week I drove the electric Smart EQ fortwo in and around town. I found out what it's like to...
over a year ago
2
over a year ago
For one week I drove the electric Smart EQ fortwo in and around town. I found out what it's like to drive electrically: fun!
Construction Physics
How Good Are American Roads? We’re in an era where US infrastructure is getting a lot of attention.
a month ago
Matt Blewitt
Everything I Know About Operations, I Learned From NHS 111 Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context...
over a year ago
2
over a year ago
Ever heard someone say “It’s only software/money/<trivial thing>, not life or death”, in the context of incidents at your company? Although mostly true, I want to talk about a time in my career when sometimes, just sometimes, it was the latter, and how it shaped my approach to...
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
2
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):...
Jonas Hietala
ISOC update I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an...
over a year ago
2
over a year ago
I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an update post of what I’ve done so far. I will write a more extensive summary post at the end of the project. I was planning on writing a weekly summary, but that ship sailed a long...
Buck on Software
The Wrong Bet The next decade in SaaS won't look like the last
over a year ago
Louwrentius
Compiling Ceph on the Raspberry Pi 3B+ (armhf) using Clang/LLVM UPDATE 2019 / 2020 There are official ARM64 binaries of Ceph that you can run on a 64-bit version of...
over a year ago
2
over a year ago
UPDATE 2019 / 2020 There are official ARM64 binaries of Ceph that you can run on a 64-bit version of Ubuntu 18.04. Important: I consider this page obsolete. I will keep it up for transparency's sake Introduction In this blog post I'll show you how to compile Ceph Luminous for...
Christian Selig
The Case for Getting Rid of TestFlight Review I tweeted today about how I think TestFlight review should become a thing of the past and many...
over a year ago
26
over a year ago
I tweeted today about how I think TestFlight review should become a thing of the past and many developers seemed to agree, but some had questions so I wanted to expand on my thoughts a little. TestFlight’s awesome. But like App Store submissions, TestFlight betas also require a...
On Life and Lisp
AAA gaming on Asahi Linux Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which...
2 months ago
36
2 months ago
Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which integrates our Vulkan 1.3 drivers with x86 emulation and Windows compatibility. Plus a bonus: conformant OpenCL 3.0. Asahi Linux now ships the only conformant OpenGL®, OpenCL™, and...
./techtipsy
My blog successfully survived a scheduled power outage I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage...
3 months ago
48
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...
Good Enough
TIL: JavaScript Turbo Stream Requests I am working on search for Album Whale and I was very confused when my JavaScript fetch requests...
a year ago
2
a year ago
I am working on search for Album Whale and I was very confused when my JavaScript fetch requests were not resulting in turbo_stream rendering getting displayed on my page. I checked my logs to see if the render was happening. I looked for missing <%= tags. Debugged and...
Neil Madden
API Security in Action handed over to production After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
3
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
computers are bad
2024-10-19 land art and isolation Prescript: I originally started writing this with the intent to send it out to my supporter's...
2 months ago
34
2 months ago
Prescript: I originally started writing this with the intent to send it out to my supporter's newsletter, EYES ONLY, but it got to be long and took basically all day so I feel like it deserves wider circulation. You will have to tolerate that it begins in the more conversational...
Willem's Blog
Free from the iCloud: Escaping Apple Photos Recently I freed myself from Apple Photos, using free software to manage my photo library. Read...
over a year ago
2
over a year ago
Recently I freed myself from Apple Photos, using free software to manage my photo library. Read along to find out what software I use and how to make it play nice with your devices.
Arduino Blog
Enhance your IoT dashboards with Arduino Cloud’s new Image widget At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited...
3 months ago
25
3 months ago
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited to announce a new feature for Arduino Cloud that will allow you to enhance your IoT dashboards: the Image widget. The new Image widget The Image widget is a simple yet powerful...
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
74
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...
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Vitalik Buterin's...
A CBC Casper Tutorial
over a year ago
Posts on Made of...
A brief look at Linux's security record After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
3
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
22
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Louwrentius
Affordable server with server-grade hardware part II If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
2
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic. It is recommended to read the old post first. In this new post, I only show new...
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
23
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...
Willem's Blog
Helping people with free software This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
over a year ago
Christian Selig
Recreating Apple's beautiful visionOS search bar Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
75
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Applied Cartography
Fathom I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly...
2 weeks ago
5
2 weeks ago
I'd been meaning to jot down some thoughts on Fathom for a while, and did not have a particularly good reason to do so until the news broke that Paul Jarvis was selling his share of the company to Jack Ellis, the technical co-founder. [1] Anyway, the two thoughts: I think Fathom...
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
./techtipsy
Good reads This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule,...
a year ago
25
a year ago
This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule, Manager’s Schedule a must-read for anyone working in a software development team. Helps express what most of us have felt at some point in our careers. The case of the 500-mile...
Vitalik Buterin's...
[Mirror] Exploring Elliptic Curve Pairings
over a year ago
Simply Explained
Retrospective: My Fifth Year on YouTube For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
2
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Louwrentius
The Raspberry Pi 5 is no match for a tini-mini-micro PC I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable...
6 months ago
3
6 months ago
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable computer. An ideal home server. Until the Pi 4, the Pi was not that capable, and only with the relatively recent Pi 5 (fall 2023) do I feel the Pi is OK performance wise, although...
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
2
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...
Electronics etc…
HP 33120A Repair - Shutting Down the Eye of Sauron Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener...
a year ago
62
a year ago
Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener Replacement Staring at the Eye of Sauron FLIR IR Imaging To Destroy a PCB in Order to Save It Circuit Reconstruction Success! Trust but Verify Conclusion References Introduction When the...
csvbase blog
Client libraries are better when they have no API fsspec is secretly everywhere, and boss
8 months ago
./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
105
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...
Notes on software...
Lessons learned streaming building a Scheme-like interpreter in Go I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like...
a year ago
2
a year ago
I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like language (minus macros and arrays and tons of stuff). I picked this simple topic because I wanted a low-stakes way to learn what I did not know about making videos. Here was the...
Nabeel S. Qureshi
How To Understand Things The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
over a year ago
Computer Ads from...
Small Systems Engineering's PETSPEED Fast Enough for the Human Race
5 months ago
Applied Cartography
Against Against Innovation Tokens Glyph (whose writing and contributions to the Python ecosystem I am deeply grateful for) wrote...
5 months ago
2
5 months ago
Glyph (whose writing and contributions to the Python ecosystem I am deeply grateful for) wrote Against Innovation Tokens yesterday: In 2015, Dan McKinley laid out a model for software teams selecting technologies. He proposed that each team have a limited supply of “innovation...
Notes on software...
1 million page views I was delighted to notice this morning that this site has recently passed 1M page views. And since...
3 weeks ago
5
3 weeks ago
I was delighted to notice this morning that this site has recently passed 1M page views. And since Murat wrote about his 1M page view accomplishment at the time, I felt compelled to now too. I started regularly blogging in 2018. For some reason I decided to write a blog post...
Engineers Need Art
Adam74 The Adam74 is a small ASCII-based terminal designed for the 8-bit hobbyist.
over a year ago
Home on Erik...
statself.com Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
2
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Lighthouse Blog
Updates November 10
a year ago
./techtipsy
How I ended up working as a software developer I’ve officially worked as a software developer since August 2016, and by now I have a fair share of...
4 months ago
55
4 months ago
I’ve officially worked as a software developer since August 2016, and by now I have a fair share of stories to tell from those years. But those are stories for another time. Today I’d like to focus on where it all got started. The early days I never considered myself good with...
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Willem's Blog
Optical vs chest strap heart rate monitors Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
over a year ago
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
2
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
Innovative new tactile sensor helps assess fine motor skills Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s...
7 months ago
66
7 months ago
Fine motor skills correlate strongly with cognition and the accurate assessment of an individual’s motor skills can be critical in diagnosing and treating a variety of conditions. But objective evaluation has been a challenge, as suitable sensors weren’t available. To help...
Willem's Blog
Swimming and cycling with Apple Watch This month I tested the newest watchOS while swimming and cycling.
over a year ago
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4 Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
34
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
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
2
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.
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
34
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...
Applied Cartography
Postgres batch enqueuing in ten lines of Django It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count =...
a year ago
2
a year ago
It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count = queryset.count() if count == 0: time.sleep(10) return with transaction.atomic(): batch = list( queryset.select_for_update(of=("self",),...
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit  The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
2 weeks ago
18
2 weeks ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
Notes on software...
Building a fast SCSS-like rule expander for CSS using fuzzy parsing This is an external post of mine. Click here if you are not redirected.
over a year ago
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year ago
Louwrentius
Why VMware vSphere replication is changing the game If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
2
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure. SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 months ago
29
2 months ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Posts on Made of...
The Window Manager I Want Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window...
over a year ago
3
over a year ago
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window managers, going through, over the years, StumpWM, Ion 3, and finally XMonad. They've all had various strengths and weaknesses, but I've never been totally happy with any of them. This...
Yazin Alirhayim
Braindump Been having a hard time lately focusing. It’s like whenever I start doing anything of any...
over a year ago
2
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...
Good Enough
Asking the Right Question Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've...
a year ago
2
a year ago
Lately I've been pondering the future for Album Whale. It does what we'd like it to do, and we've spread the word enough that there's now a steady stream of new users coming in each day. So, what's next? Portrait of the author pondering My first impulse was to answer this...
Home on Erik...
Wikiphilia I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles...
over a year ago
2
over a year ago
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles worth sharing and that's why I created the wikiphilia Twitter handle. Just a long stream of stuff that for one reason or another may be interesting.
Jonas Hietala
10 Games in 10 Languages For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
2
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
4 months ago
34
4 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Old Vintage...
What the KIM-1 really needs is an LCD screen Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all...
a year ago
56
a year ago
Giving the 1976 1K RAM, 1MHz 6502-based KIM-1 single-board computer bubble memory storage was all well and good, but the basic unit is still just six numeric LEDs for its display. Let's solve that problem. Sure, you could hook up a serial terminal like the Silent 700 we used...
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
11 months ago
2
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Arduino Blog
Use sound to trigger your camera’s flash with this DIY device In the world of photography, the exposure triangle is immutable. To get a properly exposed photo...
2 months ago
22
2 months ago
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo (not too bright or too dark), you need a balance of aperture size (how much light gets in), shutter speed (how long the light gets in), and ISO (sensitivity to light at the expense of...
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
2
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones. As we’re creating and...
Jonas Hietala
Let's build a VORON: Wrap-up It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
9 months ago
3
9 months ago
It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective. Building the printer was really fun and rewarding I’ve always seen...
Home on Erik...
The mathematical principles of management I've read about 100 management books by now but if there's something that always bothered me it's...
over a year ago
2
over a year ago
I've read about 100 management books by now but if there's something that always bothered me it's the lack of first principles thinking. Basically it's a ton of heuristics. And heuristics are great, but when you present heuristics as true objectives, it kind of clouds the...
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
3
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Jonas Hietala
Pushing toward Git The time has come; it’s time for me to move my source out in the open for the first time. Repository...
over a year ago
2
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time. Repository deleted, never became anything Available on Github It’s nothing special really, if you want take a look at the code and help me improve it.
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
10 months ago
2
10 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Home on Erik...
More Luigi alternatives The workflow engine battle has intensified with some more interesting entries lately! Here are a...
over a year ago
2
over a year ago
The workflow engine battle has intensified with some more interesting entries lately! Here are a couple I encountered in the last few days. I love that at least two of them are direct references to Luigi!
Jonas Hietala
Rewriting my blog in Rust for fun and profit Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think...
over a year ago
2
over a year ago
Background I’ve used Hakyll as my static site generator for around 9 years now. Before that I think I used Jekyll and also more dynamic pages with Mojolicious in Perl and Kohana in PHP, but I can’t be completely sure as the git history doesn’t go back that far. But all good...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980) This British inventor speaking about his ZX-80 computer system
2 weeks ago
Louwrentius
FFmpeg performance on a Core i7 920 @ 3.6 Ghz The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies)...
over a year ago
2
over a year ago
The system i'm running is a Core i7 920 @ 3.6 Ghz. I am transcoding a DVD (Grave Of The Fire Flies) to iPod format (640x480 x264). Thread support is enabled, to FFmpeg uses about 250% CPU. That's 2.5 of the 4 cores available. If possible, I would have liked to see it use all four...
Gwern.net Newsletter
August 2020 gwern.net newsletter with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no...
over a year ago
Old Vintage...
Finally, an MOS 7600/7601 Video Game Array data sheet A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS...
a year ago
60
a year ago
A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS Technology's dedicated "Pong-on-a-chip" (from the company that brought you my favourite CPU, the MOS 6502) that's actually a rather sophisticated microcontroller for the era. I own...
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
2
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.
Willem's Blog
iPad Pro next to my primary machine Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
Ken Shirriff's blog
Reverse engineering the barrel shifter circuit on the Intel 386 processor die The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit...
a year ago
2
a year ago
The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit architecture. The 386 also dramatically improved the performance of shift and rotate operations by adding a "barrel shifter", a circuit that can shift by multiple bits in one step. The...
Applied Cartography
Peak Newsletter A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to...
5 months ago
3
5 months ago
A handful of folks sent me this quip from Nate Silver a few days ago: Slightly against interest to admit this (I don't want more competition lol) but I think we're still probably a year or two away from Peak Newsletter. It's just a really good distribution mechanism for certain...
Arduino Blog
Introducing Opta Expansions: scalable simplicity! Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and...
7 months ago
46
7 months ago
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and allowed us to reach PLC engineers with a new solution specifically designed for their needs.  To further expand Opta’s capabilities, today the Arduino ecosystem welcomes various...
Buck on Software
Model transitions: A framework for value creation And a quick and dirty look at SPLK, NTNX, and GWRE
over a year ago
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Jonas Hietala
Done this, done that. What now? Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
3
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Louwrentius
WFS - WAN Failover Script now available Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you...
over a year ago
2
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you have any use for it: I put it on a Google code project. WFS tests the availability of your primary WAN connection and switches to your secondary / backup connection when a failure is...
Style over Substance
Create a Hue-compatible DIY LED light sculpture Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art,...
over a year ago
56
over a year ago
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art, using cheap LED strips and DIY parts you can order online. The post Create a Hue-compatible DIY LED light sculpture appeared first on Style over Substance.
Home on Erik...
New benchmarks for approximate nearest neighbors UPDATE(2018-06-17): There are is a later blog post with newer benchmarks! One of my super nerdy...
over a year ago
2
over a year ago
UPDATE(2018-06-17): There are is a later blog post with newer benchmarks! One of my super nerdy interests include approximate algorithms for nearest neighbors in high-dimensional spaces. The problem is simple. You have say 1M points in some high-dimensional space.
Applied Cartography
My approach to GTD and PKM One pernicious thing with writing about productivity and knowledge systems: you only change systems...
2 months ago
4
2 months ago
One pernicious thing with writing about productivity and knowledge systems: you only change systems that aren’t working, and you tend to write about things during times of change. So most writing about productivity systems stem from people whose systems have failed them. It is...
GitButler
The New Era of Town Hall Chat We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
3 months ago
2
3 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
watchTowr Labs -...
We Spent $20 To Achieve RCE And Accidentally Became The Admins Of .MOBI Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding...
3 months ago
2
3 months ago
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries. Summary What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly...
Computer Ads from...
Comics from 1986/06 Australian Personal Computer Mag It’s that time of the month. This time let’s look at humor from down under. These comics are from...
8 months ago
68
8 months ago
It’s that time of the month. This time let’s look at humor from down under. These comics are from the June 1986 issue of Australian Computer magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
7 months ago
81
7 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO).  Known for...
Posts on Made of...
autocutsel As most of you probably know, X has several different mechanisms for copy-paste, used by different...
over a year ago
2
over a year ago
As most of you probably know, X has several different mechanisms for copy-paste, used by different applications in different ways. I know some people who use them deliberately, juggling two pieces of text in different clipboards at once, but for me, it’s always just been...
computers are bad
2023-04-20 different kinds of differential On the front page of HN today was an [article with a confusing headline], "Farmers 'crippled' by...
a year ago
51
a year ago
On the front page of HN today was an [article with a confusing headline], "Farmers 'crippled' by satellite failure as GPS-guided tractors grind to a halt." Of course the headline doesn't actually say this, but it does seem to imply that there has been some kind of failure of...
Louwrentius
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
3
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...
computers are bad
2024-06-02 consumer electronics control In a previous episode, I discussed audio transports and mention that they have become a much less...
6 months ago
79
6 months ago
In a previous episode, I discussed audio transports and mention that they have become a much less important part of the modern home theater landscape. One reason is the broad decline of the component system: most consumers aren't buying a television, home theater receiver,...
Notes on software...
React without webpack: fast path to a working app from scratch This is an external post of mine. Click here if you are not redirected.
over a year ago
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Louwrentius
Redhat explains why chroot is not a security feature I came across this Redhat security blog post that explains why the chroot command has it's uses, but...
over a year ago
3
over a year ago
I came across this Redhat security blog post that explains why the chroot command has it's uses, but it isn't magic security pixie dust. Running an application from within a chrooted jail or just on a well-configured system would result in the same level of security. Josh...
Jonas Hietala
Beginning Programming I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
2
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points: Too long Too many examples like “Hello World!” No answers to exercises. Nr 1 is a pretty curious one. Even though I think a book is good,...
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
2
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.
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
2
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
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
3
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...
watchTowr Labs -...
“To live is to fight, to fight is to live! - IBM ODM Remote Code Execution In previous blogs, we’ve discussed some of the big players in the enterprise software space, but...
10 months ago
2
10 months ago
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but there is one that we have not mentioned before, that is - quite frankly - the heavy-weight champion of the world in terms of applications for large enterprises. With over a hundred
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
2
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
computers are bad
2023-04-30 los alamos - compound to county pt II Where we left off, Los Alamos had become a county, but the town itself continued to be directly...
a year ago
67
a year ago
Where we left off, Los Alamos had become a county, but the town itself continued to be directly administered by the Atomic Energy Commission (AEC). The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the towns it owned by transferring the property to private...
Applied Cartography
Incumbency Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt...
5 months ago
2
5 months ago
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt software-focused private equity: Distribution and brand moats can protect your legacy products for a while (esp in enterprise) but eventually you get lapped by competitors with better...
Vitalik Buterin's...
El recurso escaso más importante es la legitimidad
over a year ago
Jonas Hietala
Giving the blog a facelift When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
2
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me: It wasn’t pretty (even ugly in some parts). No dark mode support. Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
Louwrentius
Script that shows smart values of all disks' Please use this tool on github instead of this ancient script. So you have a Linux system with a lot...
over a year ago
1
over a year ago
Please use this tool on github instead of this ancient script. So you have a Linux system with a lot of hard drives. If you want to quickly check on some key SMART values to determine the health of individual disks, you might be interested in this script. I wrote a small Python...
Posts on Made of...
Measuring Capacity Through Utilization (This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts...
over a year ago
2
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”. By this I mean: If you look at the behavior of a...
Notes on software...
Administering Kubernetes is hard Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to...
over a year ago
3
over a year ago
Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to set up. eksctl is a good tool for folks who don't want to spend hours/days/weeks debugging VPC configuration in 1000s of lines of CloudFormation. None of the other tools seem to be...
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
8 months ago
Old Vintage...
Composite and hard reset mods for the Tandyvision One I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
19
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component. The Mattel Intellivision proper originally hails...
Louwrentius
The iPad will be the death of Flash So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that...
over a year ago
2
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that it lacks support for Adobe Flash. The iPhone does not support Flash either, and since the iPad is based on the iPhone OS, this should not come as a surprise. Now many people see...
Willem's Blog
Using the reMarkable paper tablet The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
2
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Jonas Hietala
The great Hochstapler Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty...
over a year ago
2
over a year ago
Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty happy student at Linköpings university and I’m reading something similar to Computer Science or Computer engineering, but I guess it’ll become whatever you make it to be. For...
Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
2
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Home on Erik...
hdfs2cass Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
2
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.
Simply Explained
I Built a CO2 Sensor and It Terrifies Me Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is...
over a year ago
3
over a year ago
Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is equally important for our health and even our cognitive performance.In this blog post we'll look at a DIY CO2 sensor: how it runs ESPHome, how it integrates with Home Assistant, how it...
Jonas Hietala
March Theme: 10 seconds Well well here’s something interesting. The Experimental Gameplay Project has given us a really...
over a year ago
2
over a year ago
Well well here’s something interesting. The Experimental Gameplay Project has given us a really interesting thing to focus on: Time. Like Braid, it’s time for us to make something interesting with time itself. 10 seconds is the constraint and that’s not a lot, but perhaps enough?
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
2
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
Louwrentius
'Linux: using disk labels to counter storage device name changes' My router decided to change the device name for some USB storage devices. So /dev/sdc was swapped...
over a year ago
2
over a year ago
My router decided to change the device name for some USB storage devices. So /dev/sdc was swapped for /dev/sdd and vice versa. The result was some file system corruption on /dev/sdc, because it was used on a remote system through iSCSI, using a different file system from...
Birchtree
I’m Not a Panda Person Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web...
2 days ago
7
2 days ago
Niléane has a new webcam, Chris is downing in keyboards, and everyone installs some web-ass web apps. Watch it on YouTube or listen in your favorite podcast app!
Louwrentius
Using ncat to provide SSL-support to non-ssl capable software Sometimes, people are using software that does not support encrypted connections using SSL. To...
over a year ago
3
over a year ago
Sometimes, people are using software that does not support encrypted connections using SSL. To provide SSL-support to such a client, ncat can be used. Ncat is part of nmap, the famous port-scanner. The main principle is that the non-ssl capable software does not connect to the...
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
2
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
Abort Retry Fail
The History of Slackware The Oldest Surviving Linux Distribution
a year ago
Notes on software...
What's the big deal about key-value databases like FoundationDB and RocksDB? Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document...
over a year ago
2
over a year ago
Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document databases like MongoDB and Elasticsearch. You probably know Redis too. But you're hearing more and more about embedded key-value stores like RocksDB, LevelDB, PebbleDB, and so on....
Applied Cartography
Git one-liner: get the earliest commit from X hours ago I wanted to get a commit that was temporally some distance back as part of my experimentation with...
7 months ago
2
7 months ago
I wanted to get a commit that was temporally some distance back as part of my experimentation with git cliff. This took some time to do, but here's what I ended up with: git log --since="72 hours ago" --until="now" --reverse --pretty=format:"%h" | head -1 Nothing particularly...
Push to Prod
Making an AB Test Allocator 20x Faster Using Non-blocking IO Many moons ago, I inherited a cross-company AB test and had to figure out how to allocate it...
a month ago
Engineers Need Art
Move Fast and Abandon Things For every shareware game I released in the 1990's, another four were partially written but put aside...
3 months ago
38
3 months ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
Engineers Need Art
Apple Interview (1995) Recalling my somewhat unusual interview with Apple back in 1995.
over a year ago
Simply Explained
Migrating This Blog From Jekyll to Eleventy Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
3
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother Web 3.0 was not about the blockchain, thank god
4 months ago
Old Vintage...
Ward Christensen dies There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
31
2 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
Notes on software...
Container scheduling strategies for integration testing 14 different databases in Github Actions This is an external post of mine. Click here if you are not redirected.
over a year ago
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
2
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Opsbros
JSON and PowerShell Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will...
over a year ago
2
over a year ago
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will allow you to manipulate these objects efficiently.
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
66
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...
Ian's Blog
Securing Your GitHub Account Let's talk about some of the simple & practical steps you can take to improve your GitHub account...
over a year ago
2
over a year ago
Let's talk about some of the simple & practical steps you can take to improve your GitHub account security. There's plenty of good reasons why you should try to keep any online account safe, but I feel that GitHub deserves special attention among developers. With automation...
Home on Erik...
Momentum and mean reversion might just be volatility bias The Economist just published an article called The best, the worst and the ugly. By looking at...
over a year ago
2
over a year ago
The Economist just published an article called The best, the worst and the ugly. By looking at historical performance for mutual funds, they find strong support for momentum and mean reversion. Picking the best or the worst fund over the previous five years gives great returns...
./techtipsy
Tech rants: PC-s use way too much power in 2021 Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with...
over a year ago
46
over a year ago
Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with peak power consumption at 296W GPU-s that consume 350-400W of power under normal use At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Home on Erik...
NoDoc We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about...
over a year ago
2
over a year ago
We had an unconference at Spotify last Thursday and I added a semi-trolling semi-serious topic about abolishing documentation. Or NoDoc, as I'm going to call this movement. This was meant to be mostly a thought experiment, but I don't see it as complete madness.
Notes on software...
Generating a full-stack application from a database DBCore can now generate a TypeScript/React CRUD UI that is automatically hooked up to the generated...
over a year ago
3
over a year ago
DBCore can now generate a TypeScript/React CRUD UI that is automatically hooked up to the generated REST API (in Go). The UI has full support for login, viewing (and filtering), editing, and creating database entities. PostgreSQL, SQLite and MySQL are supported. How to use? The...
./techtipsy
Surviving the front page of HackerNews on a 50 Mbps uplink Around a month ago I shared my blog post on HackerNews. I guess I lucked out with the choice of the...
over a year ago
35
over a year ago
Around a month ago I shared my blog post on HackerNews. I guess I lucked out with the choice of the topic, because it brought out a lot of enthusiasts who shared their own experiences with older machinery that still works in 2022. I really appreciate the feedback and...
Arduino Blog
Web Serial Camera stream with Arduino Hey there, fellow tech enthusiasts! Ever wondered how you could effortlessly stream camera footage...
4 months ago
36
4 months ago
Hey there, fellow tech enthusiasts! Ever wondered how you could effortlessly stream camera footage from your Arduino boards directly to your web browser? Wonder no more! Arduino’s Web Serial Camera demo shows how to bring your camera projects to life. Stream images from your...
Good Enough
Beware of Free Software Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
3
a year ago
Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it. And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Arduino Blog
The end of Mbed marks a new beginning for Arduino As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially...
5 months ago
34
5 months ago
As you might have heard, on July 9th, Arm announced that the Mbed platform and OS are officially destined to reach end of life in July 2026, and therefore will no longer be maintained. The news has sent ripples through the embedded development community, particularly affecting...
Arduino Blog
Synjets provide non-contact haptic feedback If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
83
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
Louwrentius
Using iSCSI with time machine and Super Duper In the past, as a Mac user, I've used separate external drives for Time Machine backups and Super...
over a year ago
2
over a year ago
In the past, as a Mac user, I've used separate external drives for Time Machine backups and Super Duper clones but I'm not happy with that. External hard drives make noise and create clutter. I'd like to move away all my storage from my living room (or home office) and put it in...
computers are bad
2024-09-08 private lines I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs)....
3 months ago
35
3 months ago
I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs). These could be considered an early form of products like "virtual private ethernet:" a private telephone network that was served by the same switching machines that handled the...
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
2
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...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024 Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
6 months ago
94
6 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Jonas Hietala
Jonas IceCream Stand Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game. Jonas IceCream...
over a year ago
2
over a year ago
Ahoy there! This time I’ll take you along for a ride with an arty Tycoon game. Jonas IceCream Stand Instructions It should be pretty self-explanatory, it’s a very simply tycoon game. Credits Music: Eric Maskol Steve Chatterton Sound effects: freesound Rest: Me
Notes on software...
Responsibility and ownership Responsibility is only possible by granting ownership and setting expectations. If you don't turn...
over a year ago
1
over a year ago
Responsibility is only possible by granting ownership and setting expectations. If you don't turn over ownership, don't expect folks to take responsibility. When you grant ownership and set expectations, you'll be astounded what folks will accomplish without you. I am astounded.
Christian Selig
Introducing Juno for Apple Vision Pro YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
10 months ago
71
10 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
anderegg.ca
How decentralized is Bluesky really? Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
4 weeks ago
6
4 weeks ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece. The article is long, but very much worth a read. From the conclusion: Bluesky is built by good people who care, and it is providing...
Good Enough
Pika: Start Your Happy Blog Have you thought about starting or restarting a blogging habit? Have you wanted to write on the...
10 months ago
3
10 months ago
Have you thought about starting or restarting a blogging habit? Have you wanted to write on the internet, but at your own place and at your own address rather than on a social network? Have you been overwhelmed by the online writing options that you’ve found? Well, have we got...
Push to Prod
When Overwhelmed, Make a List of Questions In my first big project at Netflix, I learned this disturbingly simple problem-solving technique.
4 months ago
Jonas Hietala
Postmortem: MenuCity Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
2
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game. Let’s start...
Posts on Made of...
DEF CON I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve...
over a year ago
2
over a year ago
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve been at the con, and it wasn’t really what I expected. Frankly, I walked away feeling kinda underwhelmed. Very few of the talks were as technical as I was hoping – they were almost...
Ken Shirriff's blog
Standard cells: Looking at individual gates in the Pentium processor Intel released the powerful Pentium processor in 1993, a chip to "separate the really power-hungry...
5 months ago
2
5 months ago
Intel released the powerful Pentium processor in 1993, a chip to "separate the really power-hungry folks from ordinary mortals." The original Pentium was followed by the Pentium Pro, the Pentium II, and others, spawning a long-running brand of high-performance processors, Intel's...
Jonas Hietala
Let's build a VORON: Printing & Tuning It’s up and running, and now it’s finally printing time! Less exciting—but necessary—tuning the...
a year ago
2
a year ago
It’s up and running, and now it’s finally printing time! Less exciting—but necessary—tuning the printer to make the prints better. Filament shipment Even though I’ve been building the printer for more than a month, I wasn’t ready for it being time for printing so soon. I don’t...
computers are bad
2023-02-17 something up there pt II As we discussed previously, the search for UAP is often contextualized in terms of the events of...
a year ago
51
a year ago
As we discussed previously, the search for UAP is often contextualized in terms of the events of 2017: the public revelation of the AATIP and alien-hunting efforts by Robert Bigelow and Tom DeLonge. While widely publicized, these programs seem to have lead to very little. I...
Willem's Blog
Working with special hardware from China This month I reversed engineered my way into developing software for a Chinese Android device with...
over a year ago
2
over a year ago
This month I reversed engineered my way into developing software for a Chinese Android device with an embedded printer!
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
2
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.
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
3 months ago
Lighthouse Blog
Rules improvement: filter based on content
a week ago
Posts on Made of...
Fun with the preprocessor: CONFIG_IA32_EMULATION hacks in Linux About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that...
over a year ago
3
over a year ago
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that could crash essentially any 64-bit Linux machine with 32-bit compatibility enabled. LWN has an excellent writeup of the bug, which turns out to be a subtle error related to the details...
Engineers Need Art
Experiments in Printmaking - Part 1 Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
9 months ago
Arduino Blog
Improve indoor air quality with Arduino When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
7 months ago
61
7 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
GitButler
The Birth of THE MERGE Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our...
7 months ago
2
7 months ago
Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our community is, product feature ideas, and how much Kiril loves food. As we shifted toward the topic of conferences, the idea of hosting our own event emerged. Wouldn’t it be fun
Old Vintage...
Refurb weekend: Data General/One (and the worst LCD in the world) I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't...
8 months ago
78
8 months ago
I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't collect interesting or unusual x86 laptops, like the Brother GeoBook NB-60 (I finally tracked down a mostly working NB-80C, the top of the line model, which will be the subject of a...
axio.ms
Mac SE/30 odyssey I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other...
over a year ago
2
over a year ago
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other members of the original “compact Mac” series, but pack in a ton of interesting features that the other compact Macs don’t have. This is the story of my journey to getting to the...
Arduino Blog
Easily add Python-controlled GPIO pins to any computer Let’s say that, hypothetically, you wanted to use your computer to blink an LED or read the state of...
6 months ago
53
6 months ago
Let’s say that, hypothetically, you wanted to use your computer to blink an LED or read the state of a button. Could you? Almost certainly not — at least not without additional hardware. Most modern computers don’t provide any interface for direct interaction with low-level...
./techtipsy
Zimaboard: the closest thing to my dream home server setup I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally...
a year ago
93
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally bought one. In short, Zimaboard is a small single-board computer that is relatively affordable and comes with an interesting selection of ports, which includes an exposed PCI...
Jonas Hietala
Settled on an unoriginal idea I think I’ve decided what to do. Some very slight progress has been made.
over a year ago
Jonas Hietala
Christmas break So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
2
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Style over Substance
How to build your own Goodman ZONE camera, part 2 The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her...
over a year ago
57
over a year ago
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her range of open-source camera models, using the existing Mamiya Press lens series for glass and the Mamiya RB67 backs to hold film. She sells pre-printed kits that contain all the...