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Jonas Hietala
Default audio card in linux There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
2
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me. I had three separate problems: Getting sound Playing sound from multiple sources at the same time Audio card getting different numbers on reboot Getting sound Here I...
Gwern.net Newsletter
October 2020 news October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization &...
over a year ago
3
over a year ago
October 2020 gwern.net newsletter with links on AI scaling, Euclid; further site reorganization & improvement.
./techtipsy
How I treat my urge to hoard data The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized...
over a year ago
29
over a year ago
The tagline for /r/datahoarder reads: “It’s A Digital Disease!”. I agree. At some point I realized that the pursuit to hoard all the things will just keep on consuming more and more of my time and money. Storage is cheap up until to a point, once you find yourself tracking hard...
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 days ago
8
3 days ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Willem's Blog
Half Marathon Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness -...
9 months ago
3
9 months ago
Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness - read about my experiences!
Willem's Blog
Why Apple Silicon is a big deal Never have I been so blown away as by the new MacBook Air with M1 processor. It is a big deal.
over a year ago
Home on Erik...
On the Equifax breach and how to really prevent identity theft A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
2
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
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...
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
Cannot access Windows guest within VMware Fusion when running vsphere client Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
3
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host. The trouble is that both ESXi...
Jonas Hietala
I, Robot Here are the results of the big robot construction course we had before christmas! The whole process...
over a year ago
3
over a year ago
Here are the results of the big robot construction course we had before christmas! The whole process went smooth and our group was amazing. The design and building of the robot went well even though in hindsight I would’ve changed a lot of stuff. The ending competition didn’t go...
Home on Erik...
What's up with music recommendations? I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
3
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies. Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
Louwrentius
Achieving 220 MB/s network file transfers using Linux Bonding I wrote an article about the subject of getting beyond the limits of gigabit network file transfers....
over a year ago
3
over a year ago
I wrote an article about the subject of getting beyond the limits of gigabit network file transfers. My solution is to use multiple gigabit network cards and use Linux interface bonding to create virtual 2 gigabit network interfaces. The solution is to use mode 0 or round robin...
Jonas Hietala
The Coinparty hackathon, take two In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
3
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
Vitalik Buterin's...
Governance, Part 2: Plutocracy Is Still Bad
over a year ago
Matt Mullenweg
Cloudflare Stories There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s...
2 months ago
4
2 months ago
There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s incredible story about Tim Jenkin, who created a secure communication protocol for the African National Congress to overthrow the apartheid regime in South Africa. Cloudflare’s CTO,...
Jonas Hietala
Let's build a VORON: Major failure The left POM nut got ground down, making the bed fall down. After 600 hours, the printer met it’s...
9 months ago
3
9 months ago
The left POM nut got ground down, making the bed fall down. After 600 hours, the printer met it’s first major failure. I know I earlier described how the extruder starter skipping in a big way, but that was just some filament getting stuck in the extruder. This time a part...
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...
Willem's Blog
iPad Pro as primary computer Is the time right to use an iPad as primary development platform to get some real work done?
over a year ago
Posts on Made of...
Implementing a declarative mini-language in the C preprocessor Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time,...
over a year ago
2
over a year ago
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time, I want to talk about the tricks I used to implement a declarative minilanguage using the C preprocessor (and some GCC extensions). The Problem We want to write some toplevel...
Notes on software...
Analyzing large JSON files via partial JSON parsing This is an external post of mine. Click here if you are not redirected.
over a year ago
computers are bad
2023-01-16 huff-duff We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an...
a year ago
56
a year ago
We've talked a fair amount about HF radio recently, in the context of OTH radar. Recall that an extremely useful property of HF radio here is that HF frequencies can reflect off of the upper layers of the atmosphere, causing them to rebound towards earth at a range much further...
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.
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...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
2
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
seangoedecke.com RSS...
Acing the design interview If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work...
over a year ago
3
over a year ago
If you haven’t designed an actual system before, design interviews can be tough. Knowing how to work with a particular web service or…
Home on Erik...
Dollar cost averaging (I accidentally published an unfinished draft of this post a few days ago – sorry about...
over a year ago
2
over a year ago
(I accidentally published an unfinished draft of this post a few days ago – sorry about that). There's a lot of sources preaching the benefits of dollar cost averaging, or the practice of investing a fixed amount of money regularly.
Matt Mullenweg
Falling Snow The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
4 days ago
18
4 days ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
56
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Arduino Blog
Transform trash into treasure with the DIY Bottle Plotter Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline...
3 months ago
39
3 months ago
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline just for that) and some of it can be quite beautiful. But it usually still ends up in the landfill or, at best, in a recycling center. However, if you’re the type of person who can...
Push to Prod
How Would You Design Amazon S3? One of my favorite system design questions from a few years ago and a fascinating thing I learned...
2 months ago
5
2 months ago
One of my favorite system design questions from a few years ago and a fascinating thing I learned while answering it.
Jonas Hietala
My first netrunner store championship My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
3
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more. So this Sunday I went to...
Lighthouse Blog
Updates December 22
a year ago
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...
Lighthouse Blog
Updates June 07
6 months ago
Jonas Hietala
Habits to start I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
2
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
74
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
computers are bad
2023-05-07 electrical characteristics of telephone lines Let's take a break from our boring topic of regional history to focus instead on an even more boring...
a year ago
58
a year ago
Let's take a break from our boring topic of regional history to focus instead on an even more boring topic: implementation details of telephone lines. The conventional "copper pair" analog telephone line is fading away. The FCC has begun to authorize abandonment of copper outside...
Lighthouse Blog
Updates December 15: Rebranding to Lighthouse and complete redesign
a year ago
detreville
Newsletter 1: What's next? This is the first in a series of newsletters covering this blog
a year ago
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
Applied Cartography
Applied Cartography × People & Blogs There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
4
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that. To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Matt Mullenweg
Automattic Alignment Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
4
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
Louwrentius
The kind of sound you never want to hear from your computer The sounds of hard drives that have perished These sounds are only frightening or scary if you...
over a year ago
3
over a year ago
The sounds of hard drives that have perished These sounds are only frightening or scary if you imagine your precious data only exists on that failing drive. If you make consistent and frequent backups and/or you run a fault-tolerant RAID flavour, it is but a nuisance.
Jonas Hietala
MenuCity: Level 0 Walkthrough It hasn’t even been a week since I released my latest game MenyCity and already so much positive...
over a year ago
3
over a year ago
It hasn’t even been a week since I released my latest game MenyCity and already so much positive feedback! I’m so thrilled :) However, all isn’t blue skies and nice sunshine. A lot of times the first question is: How do you play it? or How do you get past the first level? I admit...
Willem's Blog
The best keyboard for iPad While everybody is raving about the Magic Keyboard there is something to be said for the...
over a year ago
3
over a year ago
While everybody is raving about the Magic Keyboard there is something to be said for the "mouse-less" Smart Keyboard Folio. Read along for a detailed analyses based on actual iPad use.
Good Enough
TIL: Deploying a Sinatra app to Render.com This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me,...
a year ago
3
a year ago
This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me, so I figured I’d write down what worked in the end. First, a Gemfile: # Gemfile source 'https://rubygems.org' gem 'sinatra' gem 'sinatra-contrib' gem 'puma' * I’m pretty sure...
Abort Retry Fail
The History of Commodore, Part 3 Are you keeping up with the Commodore?
a year ago
Notes on software...
dsq: Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more. This is an external post of mine. Click here if you are not redirected.
over a year ago
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...
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
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
Odds and Ends of...
Odds and Ends #42: An Elizabeth Line extension, some mad planning law nonsense, and the world's most... Your regular round-up of interesting links
a month ago
Jonas Hietala
Design for Hackers I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific...
over a year ago
2
over a year ago
I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific thing. It happened again yesterday (or was it the day before I don’t know) when I saw this post on hackernews. It’s a book this time, again, but this is something a little different -...
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
3 months ago
Posts on Made of...
A Brief Introduction to termios If you’re a regular user of the terminal on a UNIX system, there are probably a large number of...
over a year ago
3
over a year ago
If you’re a regular user of the terminal on a UNIX system, there are probably a large number of behaviors you take mostly for granted without really thinking about them. If you press ^C or ^Z it kills or stops the foreground program – unless it’s something like emacs or vim, in...
Posts on Made of...
CVE-2010-4258: Turning denial-of-service into privilege escalation Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different...
over a year ago
3
over a year ago
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different kernel vulnerabilities I reported recently. This post is about CVE-2010-4258, the most interesting of them, and, as Dan writes, the reason he wrote the exploit in the first place. In...
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
4 days ago
6
4 days ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Louwrentius
'Linux: obtain motherboard model / type and vendor' If you want to know what motherboard is installed in a system, use the tool dmidecode: dmidecode |...
over a year ago
3
over a year ago
If you want to know what motherboard is installed in a system, use the tool dmidecode: dmidecode | grep -e "Manufacturer|Product" | head -n 4 | tail -n 2 The result might be something like: Manufacturer: ASUSTeK Computer INC. Product Name: P5Q-EM DO Manufacturer: ASUSTeK Computer...
Arduino Blog
Assess your aquarium’s health with an AI-enabled ultrasonic sensor Below the surface of any body of water, harmful amounts of toxic gases and contaminates can...
7 months ago
106
7 months ago
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can accumulate, which leads to a loss in fish and plant populations if not fixed quickly. But because most water testing, especially in aquariums, is done primarily on the surface, vital...
Notes on software...
Windows It has been six years since I last used Windows for any remotely serious software development. I've...
over a year ago
2
over a year ago
It has been six years since I last used Windows for any remotely serious software development. I've used Ubuntu, Arch, or FreeBSD since. But eventually I spent so much time working around common workplace tasks that I decided to put Windows 10 Pro on my work laptop. Windows...
Jonas Hietala
February gets Themed: Rejection The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t...
over a year ago
3
over a year ago
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t follow suite! With valentine coming up I might just have found a pretty nice idea, just now, writing this… Booyah!!
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
computers are bad
2023-03-24 docker Lately I tend to stick to topics that are historic by at least twenty years, and that does have a...
a year ago
62
a year ago
Lately I tend to stick to topics that are historic by at least twenty years, and that does have a lot of advantages. But I am supposedly a DevOps professional, and so I will occasionally indulge in giving DevOps advice... or at least opinions, which are sort of like advice but...
Vitalik Buterin's...
Deeper dive on cross-L2 reading for wallets and other use cases
a year ago
Construction Physics
How We Got the Lithium-ion Battery It took decades of research, performed around the world, before a practical lithium-ion battery was...
3 weeks ago
Willem's Blog
Tablet as Tool Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and...
a year ago
2
a year ago
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and personal experiences to help you maximise the tablet's potential and redefine your workflow.
Ken Shirriff's blog
Inside a ferroelectric RAM chip Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special...
3 months ago
3
3 months ago
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special "ferroelectric" material. Ferroelectric memory is nonvolatile like flash memory, able to hold its data for decades. But, unlike flash, ferroelectric memory can write data...
Jonas Hietala
2012 Read Books I read a post, sadly lost the link, where the author had recorded all books she had read during the...
over a year ago
3
over a year ago
I read a post, sadly lost the link, where the author had recorded all books she had read during the year and I thought it’d be pretty fun to do. So here goes, in a mostly ordered list. The Art of Learning - Josh Waitzkin Världens Whiskey More of a reference book. Linear Algebra...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
44
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
Home on Erik...
Are data sets the new server rooms? This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a...
over a year ago
3
over a year ago
This blog post Data sets are the new server rooms makes the point that a bunch of companies raise a ton of money to go get really proprietary awesome data as a competitive moat. Because once you have the data, you can build a better product, and no one can copy it (at least not...
Vitalik Buterin's...
Should Ethereum be okay with enshrining more things in the protocol?
a year ago
lcamtuf’s thing
Weekend projects: getting silly with C C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
Good Enough
TIL: Listen for JavaScript events only once! A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
3
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
2
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts. I firmly believe that it's the role of a system to respect the user's intent.
Home on Erik...
I don't want to learn your garbage query language This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
2
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
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...
Jonas Hietala
Goals for Autumn 2016 Every once and a while I like to redo my priorities and set new goals for myself. I recently read...
over a year ago
3
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself. I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise Ambitious companies form management teams at every level above you, sometimes including you....
over a year ago
2
over a year ago
Ambitious companies form management teams at every level above you, sometimes including you. Management teams meet periodically and have private chat rooms. They discuss customers, product and organizational direction. Sometimes discussions are well documented and...
Arduino Blog
Turning a desk mat into a MIDI drum kit Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap....
a month ago
27
a month ago
Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap. Those factors keep them from being an option for many people who would otherwise be interested. Conventional electronic drum sets are much quieter and a bit more compact, but they...
Simply Explained
Tuya IR Hub: control Daikin AC (Home Assistant + ESPHome) The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to...
over a year ago
3
over a year ago
The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to finally make my YTF IR Hub useable. Here's how I flashed ESPHome onto it and how I configured it for my Daikin AC and Home Assistant.
Computer Ads from...
Ampere WS-1 A cool Japanese clamtop
9 months ago
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd...
over a year ago
3
over a year ago
Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd like to be able to render this page in a web browser. If the server is hosted locally we may want to enter localhost:9000/hello-world.html in the address bar, hit enter, make a...
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...
Good Enough
Adding Social Preview Images To Our 11ty Blog Twitter X recently removed headlines and descriptions from link previews, in the name of...
a year ago
2
a year ago
Twitter X recently removed headlines and descriptions from link previews, in the name of “esthetics.” Inspired by Steph Ango, while we try not to run our business on the whims of a social media platform, this change did push us into making a change we’ve been meaning to for...
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
3
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look. Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
./techtipsy
Running on fumes After a run-of-the-mill Windows BSOD, I was redirected to the UEFI settings and was presented with...
over a year ago
25
over a year ago
After a run-of-the-mill Windows BSOD, I was redirected to the UEFI settings and was presented with this fun little bug: 0GB ought to be enough for anybody.
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000 In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
3
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
Vitalik Buterin's...
Should there be demand-based recurring fees on ENS domains?
over a year ago
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
12 months ago
Louwrentius
AI is critically important but not for you Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their...
7 months ago
2
7 months ago
Before Chat-GPT caused a sensation, big tech companies like Facebook and Apple were betting their future growth on virtual reality. But I'm convinced that virtual reality will never be a mainstream thing. If you ever used VR you know why: A heavy thing on your head that messes up...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Louwrentius
Why you should not use IPsec for VPN connectivity IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels...
over a year ago
3
over a year ago
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels Ferguson and Bruce Schneier performed a detailed security analysis of IPsec and that the results were not very positive. We strongly discourage the use of IPsec in its current form...
Old Vintage...
Refurb weekend: PowerBook Duo 2300c Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my...
a year ago
72
a year ago
Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my favourite PowerBook 1400: the metal hinges are starting to tear out of their attachment points in the plastic back of the display, and naturally it's the one with all the upgrades in...
Neil Madden
Digital signatures and how to avoid them Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
3
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Home on Erik...
Google diversity memo, global warming, Pascal's wager, and other stuff There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple...
over a year ago
3
over a year ago
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple of weeks ago. I think the case for any biological difference is pretty weak, and it bothers me when people refer to an “interest gap” as anything else than caused by the...
computers are bad
2024-09-26 the GE switched services network We currently find ourselves in something of a series, working our way from private lines to...
2 months ago
39
2 months ago
We currently find ourselves in something of a series, working our way from private lines to large private line systems like the four-wire private-line national warning system. Let's continue to build on the concept of the private line into large corporate systems. In principle, a...
Opsbros
Pro-tip for Baristas If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup,...
over a year ago
2
over a year ago
If you've ever filled one of those 'Cheeki' coffee cups, or virtually any other reusable coffee cup, you've definitely come across the issue that when it's 'overfilled' it will overflow when the lid is put back on. There is a
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
2 weeks ago
6
2 weeks ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Jonas Hietala
My Dream Game: The Tycoon I’ve been playing Starcraft 2 a little this christmas. It wasn’t dead serious 1v1 which really is my...
over a year ago
2
over a year ago
I’ve been playing Starcraft 2 a little this christmas. It wasn’t dead serious 1v1 which really is my favorite but I’ve played 2v2 with some friends and I actually played the campaign a bit and it was pretty fun! Usually I never play the campaign on RTS games but this one I liked....
OH8HUB’s Substack
A quick visit to Vaajasalo island Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred....
a year ago
63
a year ago
Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred. There’s also a winery called Alahovi Berry Wine Farm. They produce berry wines, cider, beer and liqueur. The temptation to visit them was huge, but I was on tight schedule. Maybe...
Louwrentius
Migration from blogger to blogofile and disqus is complete As stated in my previous post, I migrated all posts from blogger.com to my own host running...
over a year ago
3
over a year ago
As stated in my previous post, I migrated all posts from blogger.com to my own host running blogofile. At the time of my previous post, I was not able to restore all comments made on my old blog. Thanks to some help from disqcus I fixed an error on my behalf and all old comments...
Jonas Hietala
Why I don't rely on AI for programming (too much) I find that ai can help significantly with doing plumbing, but it has no problems with connecting...
a month ago
4
a month ago
I find that ai can help significantly with doing plumbing, but it has no problems with connecting the pipes wrong. I need to double and triple check the updated code - or fix the resulting errors when I don’t do that. thih9 on Hacker News I’ve been skeptical of the AI craze...
Home on Erik...
More Luigi: Presentation from OSCON I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about...
over a year ago
3
over a year ago
I was in Portland, OR for a few days hanging out at OSCON. Was fun. I also talked a bit about Luigi: Next week I'm presenting at the NYC Predictive Analytics meetup together with Blake Shaw from Foursquare.
Willem's Blog
No, I Won't Build That! Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
9 months ago
3
9 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
Buck on Software
Don't be foie gras If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
over a year ago
3
over a year ago
If 2016-2020 was the golden unicorn age of SaaS, 2021 nearly hurtled us into the foie gras* era.
Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
Louwrentius
Creating a basic ZFS file system on Linux Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm...
over a year ago
3
over a year ago
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm documenting the scenario where I just want to create a file system that can tollerate at least a single drive failure and can be shared over NFS. Identify the drives you want to use for the...
Willem's Blog
Marathon Read the story of how it feels to complete your first marathon.
2 months ago
Vitalik Buterin's...
What else could memecoins be?
8 months ago
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
3
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
computers are bad
2024-07-20 minuteman missile communications A programming note: I am looking at making some changes to how I host things like Computers Are Bad...
5 months ago
74
5 months ago
A programming note: I am looking at making some changes to how I host things like Computers Are Bad and wikimap that are going to involve a lot more recurring expense. For that and other reasons, I want to see if y'all would be willing to throw some money my way. If everyone...
Opsbros
Nix Windows Feedback There turns out to be a far easier way to disable the 'Win+F' Windows Feedback app.
over a year ago
./techtipsy
My self-hosting setup has an UPS now, here's my experience with it I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as...
over a year ago
46
over a year ago
I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as a gift, and I have never actually had an UPS before, so it makes for a good introduction to this world. Overview My setup is quite basic: everything that I have on my table...
Matt Blewitt
Service Objects in Rails Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects,...
over a year ago
3
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects, in the context of Rails.
Jonas Hietala
5 Kup After a season with very bad attendence, I blame school and lack of motivation, I still went to...
over a year ago
2
over a year ago
After a season with very bad attendence, I blame school and lack of motivation, I still went to grading. I slept well but I was super stressed all weekend so I had to constantly run to the bathroom and I couldn’t eat lunch or breakfast properly, and I don’t usually get...
./techtipsy
What changing the CPU on a laptop looks like This post illustrates something that is not common on modern laptops: changing the...
over a year ago
31
over a year ago
This post illustrates something that is not common on modern laptops: changing the CPU. Background One of the modifications that you can do to a ThinkPad T430 laptop is changing the CPU to a more powerful quad core model. That’s exactly what I did back in 2017, but due to the...
./techtipsy
My experience at the k-space hackerspace hackathon k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in...
a year ago
37
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no expectations about building a business or coming up with an MVP, just come on down to the space and start working on...
Notes on software...
Languages you can run in the browser, part 1: Python, JavaScript, SQLite This is an external post of mine. Click here if you are not redirected.
over a year ago
anderegg.ca
Maybe Bluesky has “won” November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X....
a month ago
4
a month ago
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this...
Willem's Blog
Rescuing files from a broken harddisk Yesterday I helped a young woman with her broken computer containing precious photos, could I safe...
over a year ago
Matt Blewitt
Building a PostgreSQL Extension, Line by Line I’ve been working on a particular problem - how to offer logical replication for a very large number...
6 months ago
2
6 months ago
I’ve been working on a particular problem - how to offer logical replication for a very large number of Postgres databases, where I don’t have the ability (or capacity) to liaise with the users of the databases one-to-one. In order to mitigate some of the limitations, I wanted to...
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
Louwrentius
Thunderbolt, a cheap high-speed storage interconnect? Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace...
over a year ago
3
over a year ago
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace both USB and Firewire. It is mainly targeted at end-user systems allowing to connect peripherals with just a single cable to a computer. Thunderbolt devices, like external hard...
Abort Retry Fail
The History of Windows 98 Echoes of an Explosion
a year ago
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year 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.
Jonas Hietala
Top ten activities that make me happy Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
3
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
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...
Neil Madden
Multiple input MACs When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
3
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Lighthouse Blog
Updates June 28
5 months ago
Odds and Ends of...
Four big US election takes: Yes, it was the woke stuff. Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump...
a month ago
4
a month ago
Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump might do, and why the polls were right
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...
Jonas Hietala
Reinstalling Slackware So I reinstalled slackware on my machine and decided to take some rough notes of the most important...
over a year ago
3
over a year ago
So I reinstalled slackware on my machine and decided to take some rough notes of the most important steps I made. I did not document the steps in detail, and some are very specific for my setup. But maybe it can be useful for someone, or myself. Basic steps Make slackware usb...
Willem's Blog
MUSE in Carré MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying...
over a year ago
3
over a year ago
MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying experience - read about my experience!
Lighthouse Blog
Hidden features
6 months ago
Louwrentius
Improving web application security by implementing database security Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
3
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
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
3
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...
Posts on Made of...
How is duct tape like the force? I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con...
over a year ago
3
over a year ago
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con again, I needed to do something in terms of costuming, and I wanted it to be something unique – I wasn’t going to come anywhere near as epic as some of the costumes people pull...
On Life and Lisp
The Apple GPU and the Impossible Bug In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
6
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Jonas Hietala
Extracting schedule information from timeedit At LIU we use timeedit to track our schedules. Recently they updated their interface and improved...
over a year ago
3
over a year ago
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved some parts. It’s now possible to create a prenumeration of a collection of courses exported as csv which can then be imported to other calendar apps. But they also started to...
Opsbros
Artemis 1 Countdown I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it...
over a year ago
3
over a year ago
I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it with serveral people, and I had been regularly posting updated DateandTime countdown links for the revised launch attempts. With the schedule chnages and scrubs that have happened...
Lars Lofgren
The Stupidity of Google’s Site Reputation Abuse Policy Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of...
a month ago
4
a month ago
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of pages in Google. The SEO community refers to this type of thing as parasite SEO. Google has gone so far as to publish an official policy (documented here) on how this isn’t allowed:...
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...
Louwrentius
Debian Lenny and Dell R410 network card not supported For those who are running Debian Lenny and want to order the new Dell R410 server, beware! There is...
over a year ago
3
over a year ago
For those who are running Debian Lenny and want to order the new Dell R410 server, beware! There is no safe solution to get Debian Lenny working with the on-board Broadcom network cards. A fairly recent kernel is required. Basically, you will have to install back-ported kernels,...
Jonas Hietala
A * After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
3
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked. I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
axio.ms
Internet of kitchen lighting, with OSC This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say...
over a year ago
2
over a year ago
This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
Vitalik Buterin's...
Gitcoin Grants Round 6 Retrospective
over a year ago
Jonas Hietala
2013 in Review The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010,...
over a year ago
2
over a year ago
The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010, 2011 and 2012. 2013 Geek Achievements Solved 213 UVa problems. Got 43rd at NWERC 2013. Placed high in IMPA, with one turn won. Completed the online course Programming Languages in...
Gwern.net Newsletter
April 2020 gwern.net newsletter This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
over a year ago
Gwern.net Newsletter
November newsletter November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
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).
Posts on Made of...
Reader/reader blocking in reader/writer locks Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition...
over a year ago
2
over a year ago
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition queue, all future accesses block behind any in-flight reads. Thus, if any readers hold the lock for extended periods of time, this can lead to extreme pauses and loss of throughput...
Notes on software...
Experimenting with column- and row-oriented datastructures This is an external post of mine. Click here if you are not redirected.
over a year ago
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Abort Retry Fail
The History of Microsoft Encarta Searchable Human Knowledge
a year ago
Posts on Made of...
Navigating the Linux Kernel In response to my query last time, ezyang asked for any tips or tricks I have for finding my way...
over a year ago
3
over a year ago
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way around the Linux kernel. I’m not sure I have much in the way of systematic advice for tracking down the answers to questions about the Linux kernel, but thinking about what I do when...
Willem's Blog
Cutting Cloud Costs Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
2
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
Jonas Hietala
Preventing Firefox from creating Desktop directories With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found...
over a year ago
3
over a year ago
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found how to turn it off. Edit ~/.config/user-dirs.dirs...
./techtipsy
No HDMI port on the ThinkPad T430? No problem! The ThinkPad T430 has a few options for running it with an external display: VGA port, which is...
5 months ago
72
5 months ago
The ThinkPad T430 has a few options for running it with an external display: VGA port, which is pretty much obsolete at this point mini DisplayPort connector on the laptop itself DVI or DisplayPort on a dock The mini DisplayPort port has annoyed me for as long as I’ve had this...
Louwrentius
Why security is all about defense in depth Many people asume that if you regularly update your computer, you are safe from hackers. But nothing...
over a year ago
3
over a year ago
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing could be further from the truth. Keeping your systems up-to-date only protects you against exploits for publicly known vulnerabilities. Your systems are still not protected...
./techtipsy
btrbk is awesome I like having a safety net whenever I’m doing something potentially destructive, which is why I use...
over a year ago
54
over a year ago
I like having a safety net whenever I’m doing something potentially destructive, which is why I use the btrfs file system for my operating system and my data. Snapshots are one half of my “whoops, there goes all my work” strategy (backups are the other half). I’ve written about...
Louwrentius
Belkin Gigabit USB 2.0 adapter works perfectly with Linux My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my...
over a year ago
3
over a year ago
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my internet router. As you may be aware, the mini has only one network interface, so I added a second interface using a USB to ethernet adapter. This adapter was limited to 100 Mbit, so...
Christian Selig
Introducing Tiny Storage: a small, lightweight UserDefaults replacement Hey I'm a developer not an artist Following my last blog post about difficulties surrounding...
2 months ago
43
2 months ago
Hey I'm a developer not an artist Following my last blog post about difficulties surrounding UserDefaults and edge cases that lead to data loss (give it a read if you haven’t, it’s an important precursor to this post!), I wanted to build something small and lightweight that...
./techtipsy
The IKEA-powered homelab on a wall I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of...
a year ago
74
a year ago
I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of extras. During my self-hosting journey having to figure out the best place for putting all my compute stuff to has always been at the back of my mind, especially due to limited...
Louwrentius
Creating storage benchmark charts with FIO and GNUplot Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform...
over a year ago
3
over a year ago
Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform storage IO performance benchmarks. FIO does provide a script called "fio_generate_plots" which generates PNG or JPG based charts based on the data generated by FIO. The charts are...
Notes on software...
Tail call elimination In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated...
over a year ago
2
over a year ago
In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated in an interpreter, a compiler targeting C++, and a compiler targeting LLVM IR. Tail calls A tail call is a function call made at the end of a block that returns the value of the...
Christian Selig
Smart Open Xcode If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a...
a year ago
61
a year ago
If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a stable version, and maybe another version in case the most recent stable version has something weird about it. I also really like mapping my Caps Lock key to something more useful,...
lcamtuf’s thing
The 8-bit (MCU) manifesto Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them...
6 months ago
3
6 months ago
Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them more.
Louwrentius
I switched my blog from Blogofile to Pelican This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile...
over a year ago
3
over a year ago
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile but I switched to Pelican. Blogofile has seen almost no updates over the years and I consider the project dead. Realising that blogofile is dead, I decided to look around for...
Jonas Hietala
A Vacation Filled with Obsession A nice thing about school are the nice long vacations. Directly after my last exam we went north to...
over a year ago
3
over a year ago
A nice thing about school are the nice long vacations. Directly after my last exam we went north to our dear home village Övertorneå and spent two weeks celebrating Christmas and New Years Eve. What did we do? I practiced some obsessive behavior with Power Grid and Minecraft (and...
Home on Erik...
Optimizing for iteration speed I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
3
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Willem's Blog
Flying in a C47-A (DC-3) classic plane Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received,...
over a year ago
3
over a year ago
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received, experiencing aviation history unlike anything else!
Notes on software...
Leaders, you need to share organization success stories more frequently This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to...
over a year ago
1
over a year ago
This post goes out to anyone who leads a team: managers, directors, VPs, executives. You need to share organization success stories with your organization on a regular and frequent basis. Talk about sales wins, talk about new services released, talk about the positive impact of a...
Vitalik Buterin's...
The Three Transitions
a year ago
Jonas Hietala
Resurrection Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not...
over a year ago
2
over a year ago
Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not having to make lunch and dinner every day is such a relief, and if you do slip up food with grandma or Veronica’s parents is only a phone call away. I watched TV, played...
lcamtuf’s thing
The secret lives of snowblowers Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than...
4 months ago
2
4 months ago
Yes, they throw snow. But the mechanical design of residential snowblowers is more interesting than it seems.
./techtipsy
LattePanda V1 - my experience with a Raspberry Pi alternative As with many homelab experiments around 2022/2023, it all started with Raspberry Pi-s being either...
a year ago
32
a year ago
As with many homelab experiments around 2022/2023, it all started with Raspberry Pi-s being either out of stock or absurdly overpriced. I once noticed a listing for a LattePanda V1 on a local auction site. The price was reasonable at 45 EUR, and after I looked at the...
Lighthouse Blog
How to rate content and find it again
6 months ago
Louwrentius
The security risk of vendor-supplied default SSL certificates Often, software comes supplied with some default SSL certificate, for testing purposes, such as...
over a year ago
3
over a year ago
Often, software comes supplied with some default SSL certificate, for testing purposes, such as those 'snake oil' certificates (they are called snake oil certificates for a reason). In practice, I often encounter usage of such certificates. People may seem to think that as long...
./techtipsy
Why I went back to using a ThinkPad from 2012 This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a...
over a year ago
35
over a year ago
This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a read as well! Over my lifetime, I’ve used a bunch of different computers, mainly due to new ideas and requirements popping into my mind every time I’m content with my current setup....
Home on Erik...
Waiting time, load factor, and queueing theory: why you need to cut your systems a bit of slack I've been reading up on operations research lately, including queueing theory. It started out as a...
over a year ago
3
over a year ago
I've been reading up on operations research lately, including queueing theory. It started out as a way to understand the very complex mortgage process (I work at a mortgage startup) but it's turned into my little hammer and now I see nails everywhere.
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
3
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,...
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
11 months ago
2
11 months ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Old Vintage...
The Fossil Wrist PDA becomes a tiny Gopher client (with Overbite Palm 0.3) I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all...
a year ago
52
a year ago
I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all about Palm devices on the Internet. It turns out there's a reason for that, and we're going to patch the operating system so we can make the Fossil Wrist PDA into what may be the...
Louwrentius
Why filtering DHCP traffic is not always possible with iptables When configuring my new firewall using iptables, I noticed something very peculiar. Even if all...
over a year ago
3
over a year ago
When configuring my new firewall using iptables, I noticed something very peculiar. Even if all input, forward and output traffic was dropped, DHCP traffic to and from my DHCP server was not blocked even if there were no rules permitting this traffic. I even flushed all rules,...
Willem's Blog
Riding with Omata One If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
3
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Louwrentius
Smoking coolermaster Silent Pro M 600W TN6M50 So I was just messing around on my work station, when suddenly I smelled the smell any person...
over a year ago
3
over a year ago
So I was just messing around on my work station, when suddenly I smelled the smell any person familiar with electronics fears. The smell of some electrical component burning. The whole upper floor smelled like something was smoldering. So I shut down both my storage servers....
Posts on Made of...
Design for Testability When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
3
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other? In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
./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...
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
8 months ago
Jonas Hietala
Making a Game Again? I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my...
over a year ago
2
over a year ago
I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my glasses-missing headaches and I’m going to Ikea and some other shops for, you guessed it, shopping! Sure it’s fun and sure I need to do these things but the only thing on my mind now is...
Arduino Blog
An Arduino-powered robotic ukulele that plays itself The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
4 months ago
50
4 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
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...
Jonas Hietala
The Experimental Games It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and...
over a year ago
2
over a year ago
It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and maybe go in a new direction. At first I had been stuck for ages with my never-ending projects and I had literally nothing to show for all my coding. Well now things have changed a...
Christian Selig
Logging information from iOS Widgets Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home...
over a year ago
23
over a year ago
Lately users have been emailing me with a few odd things happening with their Apollo iOS 14 home screen widgets, and some well-placed logs can really help with identifying what’s going wrong. iOS has a sophisticated built in logging mechanism, os_log, and now with SwiftLogger in...
Jonas Hietala
Finishing Stuff I haven’t done much blogging or game programming in a while but instead I’ve finished some school...
over a year ago
3
over a year ago
I haven’t done much blogging or game programming in a while but instead I’ve finished some school stuff. We completed the assembly course labs, which were pretty fun actually, and I managed to finally complete the electronics course I’ve been holding off on for like forever… But...
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...
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
2
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
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,...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
4
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
Arduino Blog
Can remote co-presence keep distant human connections alive? The pandemic made a lot of things obvious, not the least of which is that humans need social...
5 months ago
70
5 months ago
The pandemic made a lot of things obvious, not the least of which is that humans need social interaction to maintain good mental health. Sadly, many of us spend our lives physically separated from our loved ones by great distances or inopportune circumstances. That’s why a team...
Vitalik Buterin's...
The end of my childhood
10 months ago
Notes on software...
General book recommendations This is an external post of mine. Click here if you are not redirected.
a year ago
Jonas Hietala
Up like a Sun, Down like a Pancake I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
3
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
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,...
Posts on Made of...
Confessions of a programmer: I hate code review Most of the projects I've been working on today have fairly strict code review policies. My work...
over a year ago
3
over a year ago
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Posts on Made of...
Running Tensorflow on AWS GPUs I’ve been spending some time learning deep learning and tensorflow recently, and as part of that...
over a year ago
2
over a year ago
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that project I wanted to be able to train models using GPUs on EC2. This post contains some notes on what it took to get that working. As many people have commented, the environment setup...
somenice
RGB Input Range Sliders R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range...
4 months ago
41
4 months ago
R0 G20 B0 A fun little challenge to myself this week was putting together these HTML input range type sliders to control the color of an LED.Each color channel change triggers an update to read the value, convert it to a hex code (eg. #FF0000), update the output element value,...
Willem's Blog
Increase traffic to your blog with a RSS feed Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value....
over a year ago
3
over a year ago
Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value. Read about the "how" and "why" in this post.
Louwrentius
Google DNS - what to think of it? Google now provide an open DNS service. At first I was scared that they use their service to get...
over a year ago
3
over a year ago
Google now provide an open DNS service. At first I was scared that they use their service to get information about users. However, their privacy statement tells us that no personal identifiable information is stored for longer than 48 hours. The permanent logs do not contain such...
Notes on software...
Go database driver overhead on insert-heavy workloads The most popular SQLite and PostgreSQL database drivers in Go are (roughly) 20-76% slower than...
a year ago
2
a year ago
The most popular SQLite and PostgreSQL database drivers in Go are (roughly) 20-76% slower than alternative Go drivers on insert-heavy benchmarks of mine. So if you are bulk-inserting data with Go (and potentially also bulk-retrieving data with Go), you may want to consider the...
Electronics etc…
Zephyr Ravenna Control Board Replacement Blog post that probably has an audience of one, myself. Introduction Zephyr Ravenna - Confusing...
7 months ago
116
7 months ago
Blog post that probably has an audience of one, myself. Introduction Zephyr Ravenna - Confusing Information Two PCBs - Control Board & Switch Assembly Switch of the Breaker!!! Glass Canopy Removal Duct Cover Removal Swapping the Control...
Home on Erik...
Detecting corporate fraud using Benford's law Note: This is a silly application. Don't take anything seriously. Benford's law describes a...
over a year ago
3
over a year ago
Note: This is a silly application. Don't take anything seriously. Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
Simply Explained
Impact of Adblockers on Google Analytics (vs. Plausible) Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have...
over a year ago
2
over a year ago
Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have one installed. Not only do they block advertisements, but also analytics scripts (like Google Analytics, Matomo, etc.)So that begs the question: what is the impact of these...
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration! Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
37
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Posts on Made of...
Indices point between elements If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
3
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this: In this post, I want to persuade you to replace that image, or,...
Nabeel S. Qureshi
Advice That Actually Worked For Me My contribution to the 'productivity advice' genre.
over a year ago
Jonas Hietala
First impressions of Pollen After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
3
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it. What I like The first thing I really like is Pollen enables...
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library! Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
2 months ago
26
2 months ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
./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...
Moving beyond coin voting governance
over a year ago
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.
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...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Applied Cartography
Bluesky is good Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for...
a week ago
6
a week ago
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for the dubious title of "Twitter's successor" and landed on Bluesky as being my favorite, perhaps less out of its ostensible inherent virtues and more out of the size of its...
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
Matt Blewitt
7 Languages in 7 Weeks for 2025 It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a...
3 weeks ago
5
3 weeks ago
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a hands on tour of Ruby, Clojure, Haskell, Io, Scala, Erlang and Prolog. Ruby achieved critical mass, to some degree so did Scala, with the others being popular within their specific...
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
30
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
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...
Applied Cartography
Pytest: test for print statements Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
5 months ago
3
5 months ago
Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own love of weird tests, I offer a similar concept: a test for finding stray print statements in your codebase, with a ratchet array for stuff to ignore. import glob PATH =...
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
./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
This Strandbeest-style coffee table can deliver drinks More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
32
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
Electronics etc…
Measuring the HP 11720A Pulse Modulator and Coax Cables Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse...
a year ago
76
a year ago
Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse Modulator Inside the HP 11720A Measurement Setup for a Quick Testing Session Pin Modulator Power Measurements with HP 432A Cable Loss Measurements with HP 432A Cable Power Measurements with...
lcamtuf’s thing
Building a phosphorescence detector There's very little written about natural phosphorescence. Let's design a device that can spot it in...
3 weeks ago
Vitalik Buterin's...
[Mirror] Central Planning as Overfitting
over a year ago
Louwrentius
HighPoint RocketRAID and staggered spinup with Samsung F1 I have experienced problems using a HighPoint RocketRaid 2320 and 2340 when they are using...
over a year ago
1
over a year ago
I have experienced problems using a HighPoint RocketRaid 2320 and 2340 when they are using 'staggered spinup' in combination with Samsung Spinpoint F1, 1 (one) terrabyte disks. The problem is that the F1 disks spinup very slowly and often seem to 'hang' while making ticking...
Christian Selig
Trials and tribulations of 360° video in Juno In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is...
10 months ago
77
10 months ago
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is whether it supports 360° and 180° videos (for the unfamiliar, it’s an immersive video format that fully surrounds you). The short answer is no, it’s sort of a niche feature without...
Jonas Hietala
Microfeatures in my blog xkcd: Nerd sniping A while I ago I encountered a blog post called Microfeatures I Love in Blogs and...
5 months ago
1
5 months ago
xkcd: Nerd sniping A while I ago I encountered a blog post called Microfeatures I Love in Blogs and Personal Websites, and together with the related Hacker News discussion I got nerd sniped. (I spent more time than I care to admit implementing new and exciting microfeatures for...
Notes on software...
Notes on running Electron This is an external post of mine. Click here if you are not redirected.
over a year ago
Jonas Hietala
2017 in Review In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got...
over a year ago
2
over a year ago
In contrast to previous years I haven’t kept up with the blog. For good reason I’d say since we got a child in October! It really alters your perspectives and other things suddenly feel a little less important and of course there’s less time to do other stuff. A little late and...
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...
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post If you are a paid subscriber, voting is open for one week
9 months ago
Construction Physics
Why the U.S. Can’t Build Icebreaking Ships I want to say thank you to all the people who sent condolences following last week’s post,...
2 months ago
48
2 months ago
I want to say thank you to all the people who sent condolences following last week’s post, especially those who shared their own stories of loss.
Good Enough
Cool URLs Don’t Die If you've been reading our newsletter (and you should be reading our newsletter) you will have seen...
a year ago
3
a year ago
If you've been reading our newsletter (and you should be reading our newsletter) you will have seen that I've been building some printers. This is actually the resurrection of a project I began in 2012 with the help of some colleagues, and while I've been updating it, it's been...
computers are bad
2024-08-19 mining for meteors Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading...
4 months ago
54
4 months ago
Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading Post, a small store a few miles out of Joseph City, would hardly be remembered were it not for its billboards spanning four states. The tradition of far-advance billboards is still...
Good Enough
TIL: Victory Symbol We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than...
a year ago
3
a year ago
We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than Safari––it was playing smart and rendered the unicode character as an emoji. Lettini found a fix though! Append this string of code to the symbol: &#xFE0E;. So &#9996;&#xFE0E; renders...
Willem's Blog
Designing and implementing a (micro) payment system Designing and implementing a micro payment system with an emphasis on simplicity. Read about how I...
over a year ago
3
over a year ago
Designing and implementing a micro payment system with an emphasis on simplicity. Read about how I did it in this post.
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
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
Arduino Blog
Giving Billy Bass the arti-fish-al intelligence he always deserved If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of...
3 months ago
21
3 months ago
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of the century, you would have undoubtedly come across a Big Mouth Billy Bass. That’s an animatronic fish that wiggles on a plaque while older, very licensable hit songs play. But...
Matt Mullenweg
Michael Palmisano on Collier I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on...
a month ago
4
a month ago
I’ve been obsessed with Jacob Collier since I first saw his Don’t You Worry ‘Bout A Thing cover on YouTube, and one of my favorite genres of videos is genius musicians breaking down the incredible musical stuff Jacob is doing. (He even has his own instrument now.) This reaction...
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
2 weeks ago
Jonas Hietala
Dijkstra's Algorithm For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
3
over a year ago
For rust, I’m updating the documentation for the standard library and specifically with the collections. For the priority queue I had the idea to use Dijkstra’s algorithm as a fun example. That idea was well received and that example is now live. At first I wanted to use A* to...
Simply Explained
Integrate Home Assistant with Apple Reminders I recently integrated Home Assistant with Apple Reminders so that automations can create new todos....
over a year ago
3
over a year ago
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos. This is trickier as it sounds, because Reminders has no API that can be accessed from Home Assistant. Here's how I worked around that problem with a script, input text helper and...
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...
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...
Posts on Made of...
My Apollo Bibliography Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
over a year ago
2
over a year ago
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
28
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
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
3
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...
Jonas Hietala
2016 Read Books Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel...
over a year ago
3
over a year ago
Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel better I’ll add in some new mangas I’ve read, but I may may have missed some. Fiction Crickets Non-Fiction Getting to Yes Relax into Stretch Thinking, Fast and Slow 59 seconds The...
computers are bad
2024-04-05 the life of one earth station Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all?...
8 months ago
109
8 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all? As a result, I've periodically come across a company called AlphaStar Television Network. PrimeStar may have had a rough life, but AlphaStar barely had one at all: it launched in...
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...
Home on Erik...
Implicit data and collaborative filtering A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right?...
over a year ago
3
over a year ago
A lot of people these days know about collaborative filtering. It's that Netflix Prize thing, right? People rate things 1-5 stars and then you have to predict missing ratings. While there's no doubt that the Netflix Prize was successful, I think it created an illusion that all...
Willem's Blog
Improve your sleep by blocking light I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
over a year ago
2
over a year ago
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
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.
Willem's Blog
Go Viral on X Learn how to go viral on X using simple logic in creating engaging posts.
a month ago
Lighthouse Blog
Updates January 12
11 months ago
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Matt Blewitt
Death, and Utsuge This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and...
a month ago
4
a month ago
This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and Japanese visual novels.
Home on Erik...
Storm in the stratosphere: how the cloud will be reshuffled Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly...
over a year ago
2
over a year ago
Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly focus on the lowest layers in the stack: basically leasing capacity in their data centers through an API. Other pure-software providers will build all the stuff on top of it.
Vitalik Buterin's...
A Philosophy of Blockchain Validation
over a year ago
Vitalik Buterin's...
The roads not taken
over a year ago
Notes on software...
RFCs and asynchronous-first culture I hated writing documentation before working on features. But after a while I realized I couldn't...
over a year ago
3
over a year ago
I hated writing documentation before working on features. But after a while I realized I couldn't communicate well enough, even with folks I had a good connection with. It took me a number of mistaken deliveries to get the message. Sketches and mockups Designers solve this by...
Bryan Braun - Blog
Setting up your /now page with an RSS feed I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now...
a month ago
4
a month ago
I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes. The problem is that RSS feeds aren’t...
Simply Explained
ESP32 Cam: cropping images on device The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640...
over a year ago
3
over a year ago
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640 sensor has a max resolution of 1600x1200, but sometimes you don't need the entire image.In this post I'll show how to crop the images on the ESP32 itself, before sending it of to...
Push to Prod
One Key Aspect of Optimizing Computational Throughput When optimizing throughput, think carefully about how many CPUs you have when adding threads or...
3 months ago
Arduino Blog
Adding proximity unlock to an old car with the Arduino Nano 33 BLE A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically...
5 months ago
33
5 months ago
A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically unlocks the doors when the driver approaches while carrying their key fob. When paired with a push-to-start ignition switch, the driver never has to take their keys out of their pocket....
Vitalik Buterin's...
[Mirror] Bir Proof of Stake Tasarım Felsefesi
over a year ago
Good Enough
TIL: JavaScript Turbo Stream Requests I am working on search for Album Whale and I was very confused when my JavaScript fetch requests...
a year ago
3
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...
Jonas Hietala
Language spec in code blocks Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
2
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it. It was to display the highlighted language in code blocks: The code spec displays what programming language the code...
Lars Lofgren
Why I’m Switching Web Hosts Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple....
over a year ago
3
over a year ago
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple. This was before WP Engine was around. At the time, MediaTemple had carved out a nice niche for themselves as the premium web host. Tim Ferriss also raved about them back in the day....
Louwrentius
Speeding up Linux MDADM RAID array rebuild time using bitmaps Update 2020: Please beware of the impact of random write I/O performance. Please note that with a...
over a year ago
3
over a year ago
Update 2020: Please beware of the impact of random write I/O performance. Please note that with a modern Linux distribution, bitmaps are enabled by default. They will not help speed up a rebuild after a failed drive. But it will help resync an array that got out-of-sync due to...
./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...
Vitalik Buterin's...
A Note on Metcalfe's Law, Externalities and Ecosystem Splits
over a year ago
Posts on Made of...
amd64 and va_arg A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t...
over a year ago
2
over a year ago
A while back, I was poking around LLVM bugs, and discovered, to my surprise, that LLVM doesn’t support the va_arg intrinsic, used by functions to accept multiple arguments, at all on amd64. It turns out that clang and llvm-gcc, the compilers that backend to LLVM, have their own...
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
3
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
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
3
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,...
Notes on software...
Eight years of organizing tech meetups This is a collection of random personal experiences. So if you don't want to read everything, feel...
a year ago
3
a year ago
This is a collection of random personal experiences. So if you don't want to read everything, feel free to skip to the end for takeaways. I write because I'd like to see more high-quality meetups. And maybe my little bit of experience will help someone out. 2015: Philadelphia I...
Christian Selig
Announcing Juno 2.0 Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
5 months ago
75
5 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it. Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
Lighthouse Blog
Updates December 01: UX improvements
a year ago
Matt Mullenweg
On with Theo / T3.gg On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled...
2 months ago
5
2 months ago
On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled This might be the end of WordPress. It was very harsh. In that video you’ll hear him say about me, “he’s a chronic hater” (7:55), “seems like he’s been a pretty petty bastard for a...
Jonas Hietala
Doing some online Personality tests For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
3
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity. The Braverman Test Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
44
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Home on Erik...
Black Box Machine Learning in the Cloud There's a bunch of companies working on machine learning as a service. Some old companies like...
over a year ago
2
over a year ago
There's a bunch of companies working on machine learning as a service. Some old companies like Google, but now also Amazon and Microsoft. Then there's a ton of startups: PredictionIO ($2.7M funding), BigML ($1.6M funding), Clarifai, etc, etc.
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM...
over a year ago
2
over a year ago
Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll write a simple compiler in Javascript (on Node) without any third-party libraries....
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
Monitoring the weather with an Arduino MKR WiFi 1010-based station Being able to monitor the weather in real-time is great for education, research, or simply to...
7 months ago
84
7 months ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
Electronics etc…
Making Screenshots of Test Equipment Old and New Introduction Screenshot Capturing Interfaces Hardware and Software Tools Capturing GPIB data in Talk...
3 weeks ago
23
3 weeks ago
Introduction Screenshot Capturing Interfaces Hardware and Software Tools Capturing GPIB data in Talk Only mode TDS 540 Oscilloscope - GPIB - PCL Output HP 54542A Oscilloscope - Parallel Port - PCL or HPGL Output HP Inifinium 54825A Oscilloscope - Parallel Port - Encapsulated...
Jonas Hietala
Widening the horizon This is a game making site but where are the games? What gives? I’ve been slightly less motivated in...
over a year ago
3
over a year ago
This is a game making site but where are the games? What gives? I’ve been slightly less motivated in making games lately and I’ve been doing different things, just to get my ideas and my motivation up. As I said in an earlier post I wanted a break from Experimental Games and I...