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Jonas Hietala
October theme says: Numbers New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
12
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
Arduino Blog
This nature-inspired display reacts to ambient sounds We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
7 months ago
62
7 months ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Willem's Blog
Making my own tablet OS I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to...
over a year ago
22
over a year ago
I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to find out how to do this!
Odds and Ends of...
Just Stop Oil is doing more harm for the cause than good Mitigating climate change requires more than poems and protest
4 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
16
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...
Vitalik Buterin's...
Coordination, Good and Bad
over a year ago
Greater Still by...
In Crypto, Apps Need Infrastructure Like Infrastructure Needs Apps Or, maybe the real infrastructure was the applications we made along the way
a year ago
Jorge Arango
VUCA Revisited: Acting Skillfully in Uncertain Times Alas, it’s time once again to revisit VUCA. Early in the pandemic, I gave two presentations about...
3 months ago
34
3 months ago
Alas, it’s time once again to revisit VUCA. Early in the pandemic, I gave two presentations about dealing with uncertainty. Institutions were struggling to respond to COVID. Many people were freaking out. But not me: I had a conceptual framework that helped me make sense of what...
./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
71
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...
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
18
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
a year ago
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,...
over a year ago
23
over 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...
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...
7 months ago
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
lcamtuf’s thing
What's the deal with magnetic fields? I apologize, but there won't be any Insane Clown Posse jokes in this article.
5 months ago
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
17
over a year ago
I’ve been playing Starcraft 2 a little this christmas. It wasn’t dead serious 1v1 which really is my favorite but I’ve played 2v2 with some friends and I actually played the campaign a bit and it was pretty fun! Usually I never play the campaign on RTS games but this one I liked....
Arduino Blog
This Arduino Nano Every-controlled machine automatically mixes acrylic paint of any color When you want to paint the walls in your bedroom that very specific shade of Misty Irish Green, all...
3 months ago
37
3 months ago
When you want to paint the walls in your bedroom that very specific shade of Misty Irish Green, all you have to do is head to your local hardware store and have them scan the corresponding card. The paint-mixing machine will then add the pigment to a white base and, a few minutes...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Himanshu Mishra |...
Aldous Huxley's world of perceptions You may already know of this novel called 1984, and its author George Orwell. Aldous Huxley wrote a...
over a year ago
12
over a year ago
You may already know of this novel called 1984, and its author George Orwell. Aldous Huxley wrote a dystopian classic called Brave New World…
Birchtree
AI, self-driving, and evolving your opinions on new tech over time Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can...
7 months ago
43
7 months ago
Casey Newton on Platformer: The Phony Comforts of AI Skepticism The most persuasive way you can demonstrate the reality of AI, though, is to describe how it is already being used today. Not in speculative sci-fi scenarios, but in everyday offices and laboratories and schoolrooms....
Vitalik Buterin's...
Analyzing Token Sale Models
over a year ago
Jonas Hietala
A type checking error in Elixir 1.18 Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and...
6 months ago
70
6 months ago
Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and why I think Gleam is so cool). I think static typing helps catch bugs earlier and in an automated way, leading to less buggy software and saves time in the long run. To my great joy...
Applied Cartography
Pytest: test for print statements Inspired by Adam Johnson's test for pending migrations, and of course in conversation with my own...
a year ago
16
a year 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 =...
Engineers Need Art
VPX Scripting - Part 3 (Cut & Paste) Sound code is added in this third in a series of posts about scripting Visual Pinball tables.
a year ago
Odds and Ends of...
Odds and Ends #50: The weird thing about London's New Year's Fireworks Plus how the government should respond to Musk's nonsense, and an AI video that might just show us...
6 months ago
54
6 months ago
Plus how the government should respond to Musk's nonsense, and an AI video that might just show us how video production is going to change.
latest projects -...
Turbine Transport Transformer [Concept] Transforming turbine transport
3 weeks ago
Ken Shirriff's blog
Notes on the Pentium's microcode circuitry Most people think of machine instructions as the fundamental steps that a computer...
3 months ago
40
3 months ago
Most people think of machine instructions as the fundamental steps that a computer performs. However, many processors have another layer of software underneath: microcode. With microcode, instead of building the processor's control circuitry from complex logic gates, the control...
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
16
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...
Himanshu Mishra |...
Introducing the OrkoHunter Discord Community 👉🏻 Join the OrkoHunter Discord Community 10 years ago, I arrived as a naive fresher in my...
7 months ago
29
7 months ago
👉🏻 Join the OrkoHunter Discord Community 10 years ago, I arrived as a naive fresher in my engineering college. And like many, my first…
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget  Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
9 months ago
87
9 months ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
Jonas Hietala
Stereotypes I read a great essay or article about stereotypical programmers called The Little Printf. I really...
over a year ago
21
over a year ago
I read a great essay or article about stereotypical programmers called The Little Printf. I really couldn’t do it justice so do yourself a favor and go read it. It touches on several types of programmers or rather traits of programmers I recognize in my surroundings and also...
Notes on software...
Reviewing the Surface Book 2 The first few paragraphs cover what I was looking for and what I considered. Then the review. Why...
over a year ago
19
over a year ago
The first few paragraphs cover what I was looking for and what I considered. Then the review. Why the Surface Book 2 I used a Macbook throughout my professional career until I had the choice a few years ago when I started my current job. Here, I ran Gentoo, then FreeBSD, then...
Applied Cartography
Linear I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes...
7 months ago
56
7 months ago
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes I wanted to publish on our own experience of migrating from GitHub Issues to Linear, and some reflections on it as a product now that we've been using it for a few months. One...
Posts on Made of...
Exploiting misuse of Python's "pickle" If you program in Python, you’re probably familiar with the pickle serialization library, which...
over a year ago
16
over a year ago
If you program in Python, you’re probably familiar with the pickle serialization library, which provides for efficient binary serialization and loading of Python datatypes. Hopefully, you’re also familiar with the warning printed prominently near the start of pickle’s...
Applied Cartography
Grace notes I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking...
a year ago
19
a year ago
I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking for: Eventually, that gesture became one of our steps of service. The host would ask guests, “How’d you get here tonight?” If they responded, “Oh, we drove,” he’d follow up with,...
Notes on software...
Thinking about functional programming Someone on Discord asked about how to learn functional programming. The question and my initial...
a year ago
15
a year ago
Someone on Discord asked about how to learn functional programming. The question and my initial tweet on the subject prompted an interesting discussion with Shriram Krishnamurthi and other folks. So here's a slightly more thought out exploration. And just for backstory sake: I...
Krebs on Security
DOGE Worker’s Code Supports NLRB Whistleblower A whistleblower at the National Labor Relations Board (NLRB) alleged last week that denizens of Elon...
2 months ago
38
2 months ago
A whistleblower at the National Labor Relations Board (NLRB) alleged last week that denizens of Elon Musk's Department of Government Efficiency (DOGE) siphoned gigabytes of data from the agency's sensitive case files in early March. The whistleblower said accounts created for...
Louwrentius
Finding a good blu-ray player for Mac OS X I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
16
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare. To play a Blu-ray movie, you have to perform these steps: right-click on the BDMV file choose 'show packet contents' go to...
Notes on software...
Finishing up a FreeBSD experiment I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and...
over a year ago
15
over a year ago
I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and I've learned a hell of a lot forcing myself on CURRENT... But there's been a number of issues with it that have made it difficult to keep using, so I replaced it with Arch Linux...
Vitalik Buterin's...
Exploring circle STARKs
11 months ago
Arduino Blog
Adding real-time local voice controls to a SMARS Quad Mod robot with an Arduino RP2040 Connect Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools...
10 months ago
79
10 months ago
Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools for learning more about how electronics, mechanics, and software can combine to perform useful tasks in the physical world. And in his latest project, Edge Impulse’s senior...
Applied Cartography
Finding null JSON values in Postgres Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the...
a year ago
20
a year ago
Postgres' JSONB functionality is fast and useful but when I find myself dropping down from the Django ORM into SQL to do weird things, the syntax strikes me as confusing and arcane. As such, when I need to do esoteric things it takes me longer time than I'd like, and in hopes...
Notes on software...
The year in books: 2022 In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the...
over a year ago
18
over a year ago
In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the number of pages. 3 fiction and 17 non-fiction. Another ~30 started but not finished. I had a hard time reading books while I was trying to start my own company. But I also...
Computer Ads from...
Comics from 1978/05 Creative Computing Mag Time for some oldie levity.
4 months ago
Push to Prod
When Things Are Slow, Look for Queues When your system is slower than desired, queues are often heavily involved. Here's an overview of...
11 months ago
21
11 months ago
When your system is slower than desired, queues are often heavily involved. Here's an overview of the most common situations.
Computer Ads from...
Bible Research Systems' THE WORD Processor For Those Who Seek.
11 months ago
Jonas Hietala
I designed my own keyboard layout. Was it worth it? Almost two and a half years ago I embarked on the journey to change keyboard layout. At first I...
a year ago
20
a year ago
Almost two and a half years ago I embarked on the journey to change keyboard layout. At first I tried out existing ones, but it didn’t take long before I figured it’s better to develop my own—and things went downhill fast from there. (Some) combos of the T-34 layout. But now...
./techtipsy
The best laptop is the one somebody else had In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I...
8 months ago
72
8 months ago
In 2011, I was finishing 9th grade. As a gift, I got to choose a laptop in the 400 EUR range. I ended up picking an ASUS Eee PC 1201PN. It was new and the first computer in my life that was 100% mine, but awfully slow for a lot of tasks. It was so slow that I ended up giving...
Krebs on Security
Whistleblower: DOGE Siphoned NLRB Case Data A security architect with the National Labor Relations Board (NLRB) alleges that employees from Elon...
2 months ago
43
2 months ago
A security architect with the National Labor Relations Board (NLRB) alleges that employees from Elon Musk's Department of Government Efficiency (DOGE) transferred gigabytes of sensitive data from agency case files in early March, using short-lived accounts configured to leave few...
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
10 months ago
Neil Madden
Newsletter Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably...
a year ago
20
a year ago
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably exploring a few topics around AI and philosophy. If you’d prefer some more technical content around security and cryptography, then take a look at the newsletter I put out for my...
./techtipsy
I yearn for the perfect home server I’ve changed my home server setup a lot over the past decade, mainly because I keep changing the...
4 months ago
43
4 months ago
I’ve changed my home server setup a lot over the past decade, mainly because I keep changing the goals all the time. I’ve now realized why that keeps happening. I want the perfect home server. What is the perfect home server? I’d phrase it like this: The perfect home server uses...
Louwrentius
Example of a home networking setup with VLANs Updated October 24, 2012, see below. This post is a description of my home network setup based on...
over a year ago
63
over a year ago
Updated October 24, 2012, see below. This post is a description of my home network setup based on gigabit ethernet. I did a non-standard trick with VLANs that may also be of interest to other people. I'm going to start with a diagram of the network. Just take a look (click to...
Louwrentius
Configuring, attacking and securing VRRP on Linux The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple...
over a year ago
32
over a year ago
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple routers in an active/passive configuration. If the primary router fails, the backup router takes over almost seamlessly. This is how VRRP works: Clients connect to a virtual...
Jonas Hietala
Bitcoin Cash needs a Specification I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a...
over a year ago
13
over a year ago
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a bunch of heated debates between the different Bitcoin Cash developer teams. Something that stood out from all the noise was problems with communications and a lack of specification...
Jonas Hietala
My Dream Game: The RTS Even if there are a million great games there’s one that has a very special place in my heart:...
over a year ago
14
over a year ago
Even if there are a million great games there’s one that has a very special place in my heart: Supreme Commander. It’s not the game I’ve played the most and there might even be games which are better and more fun but supcom was the game that introduced me to competitive gaming...
Jonas Hietala
Starcraft 2 Keycaps When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
17
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Louwrentius
How to compile HAProxy from source and setup a basic configuration To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic...
over a year ago
19
over a year ago
To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic to louwrentius.com across two different web servers. I run HAProxy on a VPS based on Ubuntu 12.04 LTS. Let's dive right in. First, we need to download the source. Don't copy/pased...
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
10 months ago
34
10 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong. Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood). Zero drive failures in ten years, how is that...
Birchtree
I think OpenAI’s next app is a web browser Casey Newton: Hands on With Operator — A Promising but Frustrating New Frontier for Artificial...
5 months ago
42
5 months ago
Casey Newton: Hands on With Operator — A Promising but Frustrating New Frontier for Artificial Intelligence The experience revealed to me one of Operator’s key deficiencies: it can use a web browser, but it cannot use your web browser. This matters a lot, because your browser is...
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
17
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...
Odds and Ends of...
Odds and Ends #52: A right to air conditioning? Plus how New Zealand solved a housing crisis, dodgy Chinese robotaxis and Newsnight reviewing...
6 months ago
Odds and Ends of...
Odds and Ends #64: Why we cancelled our trip to America Plus how to save Blue Peter
3 months ago
Birchtree
Perplexity is making a web browser Kyle Wiggers writing for TechCrunch: Perplexity Teases a Web Browser Called Comet “Just like...
4 months ago
25
4 months ago
Kyle Wiggers writing for TechCrunch: Perplexity Teases a Web Browser Called Comet “Just like Perplexity reinvented search, we’re also reinventing the browser,” a Perplexity spokesperson told TechCrunch via email. “Stay tuned for updates.” Exactly one month ago I wrote “I think...
Notes on software...
Implementing MVCC and major SQL transaction isolation levels In this post we'll build a database in 400 lines of code with basic support for five standard SQL...
a year ago
19
a year ago
In this post we'll build a database in 400 lines of code with basic support for five standard SQL transaction levels: Read Uncommitted, Read Committed, Repeatable Read, Snapshot Isolation and Serializable. We'll use multi-version concurrency control (MVCC) and optimistic...
Ian's Blog
All About Apache Cassandra: Snapshots The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a...
over a year ago
19
over a year ago
The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a machine. You ever end up doing something like this? Each one of these files is a snapshot, as it's a copy of your essay at the point-in-time when you saved it. Snapshots provide us...
Jonas Hietala
Ugly and Slow Progress Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I...
over a year ago
19
over a year ago
Ludum Dare is coming along… Slowly. The rust on me is probably so brown it’s nearly black. But I have an idea and it might be good, all I need to do is execute it. Right? Programmer graphics coming to take you away! Anyway it’s going to be a risk-like game with a twist: you can...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size....
over a year ago
17
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size. The format utility will take this stride size into account when formatting a device. The stride size is the number you get when you divide the 'chunck' size, as specified with...
Computer Ads from...
Salamander Software's Franklin's Tomb My name is Diamond, Dan Diamond. I'm a private cop.
a year ago
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
18
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Jonas Hietala
Slackware installation notes It seems like it’s been a yearly recurrence reinstalling slackware from scratch. This time it...
over a year ago
16
over a year ago
It seems like it’s been a yearly recurrence reinstalling slackware from scratch. This time it happened during my vacation when I was mucking around with trying to compile erlang with wxWidgets support and somehow a make clean started to remove / and I only noticed it too late…...
Odds and Ends of...
Empty climate gestures, Peter Hitchens' timezone crusade, and the big questions about New Towns Let Barry have his solar panels!
3 months ago
Birchtree
I'm setting the bar too low I've been a proponent of high-refresh rate displays for years now, and I think it's pretty...
4 months ago
29
4 months ago
I've been a proponent of high-refresh rate displays for years now, and I think it's pretty ridiculous that Apple doesn't put these displays in their sub-$1,000 iPhones. I think if you're just keeping up with the Apple ecosystem then you
Never Met a Science
There's Gold in Them Thar Reels Selling Gold Rushes
8 months ago
computers are bad
2023-08-07 STIRred AND SHAKEN In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps...
a year ago
108
a year ago
In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps spurred by boredom, I looked through the schedule to see what's in store in the world of telephony. There is a workshop on SS7, of course [1], plenty of content on cellular, but...
Vitalik Buterin's...
Different types of layer 2s
a year ago
Louwrentius
Solaris is an obsolete platform Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we must conclude that the...
over a year ago
17
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we must conclude that the Solaris operating system is obsolete. Solaris can be considered legacy. Sun was a hardware shop and to sell their hardware, they needed a great operating system. Sun had a great...
Notes on software...
Why (and how) to read books The last time I read for fun was in elementary school. Since college I knew I must read more, but I...
over a year ago
21
over a year ago
The last time I read for fun was in elementary school. Since college I knew I must read more, but I never forced myself to build the habit. Then three years ago I spent time around my brother and a coworker who were avid readers. This "peer pressure" helped me get started. Since...
Notes on software...
How to get better at recursion tldr; reimplement standard library functions in your favorite language without loops. Background For...
over a year ago
16
over a year ago
tldr; reimplement standard library functions in your favorite language without loops. Background For a few years after college I spent a lot of free time doing projects in Standard ML and Scheme. As a result I got really comfortable doing recursion. The two big reasons for this...
Greater Still by...
Get In Loser, We’re Unbundling Again OpenSea as crypto's "shopping mall," aggregated liquidity, web3 loyalty programs, curating the...
over a year ago
12
over a year ago
OpenSea as crypto's "shopping mall," aggregated liquidity, web3 loyalty programs, curating the buyers, and more... some high-level thoughts around The Current Thing
Arduino Blog
Exercise while you game with this interactive treadmill add-on Motion-based controls for games have been around for decades, but even with the latest generation of...
10 months ago
78
10 months ago
Motion-based controls for games have been around for decades, but even with the latest generation of virtual reality headsets, gaming is still done with relatively limited movement unless one has access to an expensive VR walking/running setup. As an effort to get more physical...
Greater Still by...
Good Things Take Time A crypto whitepill with Bridget Harris
10 months ago
Arduino Blog
Keep pedaling if you want your computer to stay on Appeals to nature notwithstanding, humans didn’t evolve to sit in desk chairs all day slouching in...
2 months ago
11
2 months ago
Appeals to nature notwithstanding, humans didn’t evolve to sit in desk chairs all day slouching in front of computers. Nor did we evolve to handle constant and near-unlimited access to delicious, calorie-dense foods. It isn’t surprising that so many people are at less than ideal...
Himanshu Mishra |...
It is okay not to be special Hi :name-retracted:! I hope I don’t bore you with this letter. I feel like talking to you about...
over a year ago
11
over a year ago
Hi :name-retracted:! I hope I don’t bore you with this letter. I feel like talking to you about life. (Which I always want to do. All the…
Notes on software...
Building a fast SCSS-like rule expander for CSS using fuzzy parsing This is an external post of mine. Click here if you are not redirected.
over a year ago
csvbase blog
How does it know I want csv? ⁠— An HTTP trick Forgotten parts of RFC2616
over a year ago
Birchtree
I'm Sick, I Have a Sickness Niléane has entered her keyboard era, Chris has a consumer warning as well as a really good...
4 months ago
25
4 months ago
Niléane has entered her keyboard era, Chris has a consumer warning as well as a really good macropad, and then we find the best games on the Mac. Weekly Topics Logitech MX Keys Mini Volt Plus+ numberpad (but probably don’t buy it) BNK8 macropad Stream Deck
Matt Mullenweg
Disrupt Interview On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view...
8 months ago
33
8 months ago
On Wednesday I had a great chat with Connie Loizos, the editor in chief of TechCrunch, you can view the video here: Then yesterday Automattic filed its legal responses to the spurious lawfare from WP Engine, Silver Lake, and Quinn Emanuel. It’s a bit long, but if you have time...
Computer Ads from...
Plus Post: North Star Advantage North Star's Advantage over IBM and Apple is easy to see.
2 months 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
20
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...
Jonas Hietala
OP_RETURN based tokens are fundamentally flawed Two new Bitcoin Cash token solutions have recently been suggested: Simple Ledger Protocol: A token...
over a year ago
16
over a year ago
Two new Bitcoin Cash token solutions have recently been suggested: Simple Ledger Protocol: A token system for Bitcoin Cash Introducing Colored Coins: a Bitcoin Cash token implementation Both are improvements over Tokeda as they allow permissionless transfers. However all commit...
Jonas Hietala
Minecraft Server Hosting I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
15
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
Elevation Lab - Blog
Introducing TagVault Surface Aero for AirTag With the popularity of our TagVault Surface Mount for AirTag, we wanted another option that was just...
4 months ago
30
4 months ago
With the popularity of our TagVault Surface Mount for AirTag, we wanted another option that was just as durable, waterproof, and secure - but with a more minimal industrial design.  So we designed TagVault Surface Aero. It will look great on your motorcycle and even more...
Notes on software...
In response to a frontend developer asking about database development This is an external post of mine. Click here if you are not redirected.
over a year ago
Neil Madden
CVE-2022-21449: Psychic Signatures in Java The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
22
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
Computer Ads from...
Vote for the July 2025 + Post Topic Past ads get a second chance.
yesterday
Louwrentius
Lustre and the risk of Serious Data Loss Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was...
over a year ago
19
over a year ago
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was thinking about how you would setup a large, scalable storage infrastructure. How should such a thing work? Very simple: you should be able just to add hosts with some bad-ass huge...
Matt Mullenweg
What’s in My Bag, 2025 It’s another year, I have ordered all the things and tested all the cables, there’s a little bit...
5 months ago
74
5 months ago
It’s another year, I have ordered all the things and tested all the cables, there’s a little bit about tech and a little bit about life. Here’s what made the cut, now I’m going to be factoring in weight of everything as well. The flat-lay this year was taken at my sister...
Posts on Made of...
Suggestion time: What should I blog about? I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
20
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list. But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
anderegg.ca
Some spoiler free thoughts about the first episode of “Jet Lag: The Game” season 13 Tom Scott is playing to win. The intro music made me wonder if the Wendover team watch...
4 months ago
36
4 months ago
Tom Scott is playing to win. The intro music made me wonder if the Wendover team watch c90dventures. At one point in the episode, Adam breaks out some Scatman. This is going to be a great season.
Applied Cartography
Meta's two assets (Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly...
8 months ago
22
8 months ago
(Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly than Meta. I had a Facebook account in high school and college and got rid of it at some point post-graduation, though I'd be hard-pressed to tell you when exactly that was.) It...
Arduino Blog
This Beyblade battlebot is like a whirling dervish of destruction Battlebots are fascinating, because their builders always manage to come up with unique new ways of...
5 days ago
9
5 days ago
Battlebots are fascinating, because their builders always manage to come up with unique new ways of destroying opponents while avoiding damage at the same time. Like any good sport, it involves metagaming to develop a strategy based on expected opponent strategies. Ari’s strategy...
Matt Blewitt
Software Sprezzatura Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
19
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
Willem's Blog
The Same, Differently
a year ago
Willem's Blog
Optical vs chest strap heart rate monitors Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
over a year ago
Willem's Blog
Fietselfstedentocht 2017 Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
17
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
Louwrentius
Firewire: the forgotten security risk The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not...
over a year ago
17
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not that prevalent, cheap computers lack Firewire, but they often have a PCMCIA slot. The thing is this: Firewire allows direct access to all RAM of your computer. An attacker...
Willem's Blog
Rolex DateJust 36 Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
45
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
Style over Substance
Buienalarm / Buienradar Apple Watch complication using Home Assistant Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar...
over a year ago
99
over a year ago
Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar complication. Buienradar, Dutch for rain radar, is a popular site here that uses weather radar images to predict if it’s going to rain in the next few hours. For many people living here,...
Simply Explained
Why I don't take sponsorships Last year I made that video in response to a sponsorship offer that I got from various VPN...
over a year ago
17
over a year ago
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
lcamtuf’s thing
Choosing a microcontroller RP2040, ESP32, AVR, PIC, STM32...? When it comes to hobby projects, there's plenty of choice and...
5 months ago
37
5 months ago
RP2040, ESP32, AVR, PIC, STM32...? When it comes to hobby projects, there's plenty of choice and just as much zealotry.
Willem's Blog
Half Marathon Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness -...
a year ago
22
a year ago
Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness - read about my experiences!
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
17
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
Home on Erik...
Optimizing over multinomial distributions Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 +...
over a year ago
20
over a year ago
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 + ldots + w_n = 1 $$ and $$ 0 le w_i le 1 $$ . Usually, $$ f $$ is concave and differentiable, so there's one unique global maximum and you can solve it by applying gradient ascent.
./techtipsy
I've reached the self-hosting endgame Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim...
over a year ago
46
over a year ago
Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim to my imagination and completely changed my self-hosting setup. Again. Here it is, in all its glory: Well, at least that’s what’s on the table. This machine is a true all-in-one:...
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
7 months ago
58
7 months ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Arduino Blog
Introducing the Image Map widget: A smarter way to visualize your data We’re excited to introduce the new Image Map Widget in Arduino Cloud! This powerful feature allows...
3 months ago
30
3 months ago
We’re excited to introduce the new Image Map Widget in Arduino Cloud! This powerful feature allows you to overlay live data onto an image, creating interactive and highly visual dashboards. Whether you’re managing a factory floor, an office space, or a piece of industrial...
Elevation Lab - Blog
Introducing AirTag Security Cable We wanted to make a better braided steel AirTag mount - more compact, stronger, really well...
4 months ago
34
4 months ago
We wanted to make a better braided steel AirTag mount - more compact, stronger, really well made.    So we fired up our Swiss lathe and machined a custom oversized screw that keeps it secure and looks awesome. It is T10 Torx and comes with an included driver.   There is an...
Computer Ads from...
Commodore Magazine Interviews Epyx (1989) They discuss the early days of computer game company.
5 months ago
Neil Madden
Galois/Counter Mode and random nonces It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain...
a year ago
31
a year ago
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
a year ago
Himanshu Mishra |...
What do I do when I’m bored from studying (or not studying) for the exams? The semester is about to end and I have no clue about what is going in the end semester...
over a year ago
Style over Substance
Adding night shading to a Home Assistant mini-graph-card chart One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih....
over a year ago
151
over a year ago
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih. It’s the card running most of the graphs in our smart home‘s dashboard. Surprisingly, mini-graph card is actually not included in Home Assistant by default – honestly, it should be,...
Neil Madden
A controversial opinion about REST API design I was just reading yet another article on REST API design guidelines. Some of it is good advice,...
a year ago
18
a year ago
I was just reading yet another article on REST API design guidelines. Some of it is good advice, some of it I could quibble with. But several of the rules are about how to design the path hierarchy of your API: use plural nouns, don’t use nested sub-paths unnecessarily, etc. In...
Arduino Blog
Repurposing an automatic train control unit as a car speedometer We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to...
10 months ago
59
10 months ago
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to posted speed limits and maintain their lanes. But trains have been doing the same thing for a long time — well before machine learning and computer vision became ubiquitous. How did...
computers are bad
2024-09-14 the national warning system Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and...
10 months ago
74
10 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and telephone operating companies sold as private lines. One of the interesting properties of private line systems is that they can be ordered as four-wire. Internally, the telephone network...
Arduino Blog
A desktop-sized DIY vending machine for your room Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive...
a year ago
136
a year ago
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive and too bulky to fit in most homes. But now you can experience vending bliss thanks to this miniature vending machine designed by m22pj, which you can craft yourself using an...
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
9 months ago
77
9 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Abishek Muthian
Memory and Mental Health It's been known for a while that depression can cause us to not remember finer details of an past...
over a year ago
13
over a year ago
It's been known for a while that depression can cause us to not remember finer details of an past event (or) even cause forgetfulness of future events. But while depressed, We have no dearth of negative thoughts and memories i.e. Rumination. Since rumination weakens our cognitive...
Arduino Blog
SeaPerch II introduces students to underwater ROV exploration While professionals around the world take advantage of Arduino products and the extensive ecosystem,...
3 months ago
33
3 months ago
While professionals around the world take advantage of Arduino products and the extensive ecosystem, the core Arduino philosophy is to simplify complex technology. A bare microcontroller is intimidating to the uninitiated, but an Arduino development board is friendly and...
lcamtuf’s thing
Random object: Sony Mavica MVC-FD73 Floppy disk digital cameras, or why our views of technological progress are not always rooted in...
6 months ago
Vitalik Buterin's...
Control as Liability
over a year ago
Louwrentius
Fully unattended deployment of Windows clients using limited resources Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution...
over a year ago
21
over a year ago
Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution that automate this task. It's just waiting a lot and pressing a button now and then. But installing the operating system itself is only the beginning. Once installed, you need to...
Bryan Braun - Blog
Links #10 How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast...
11 months ago
20
11 months ago
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast guest. It puts you in the shoes of a podcaster, showing you what they need, and how you can be a “sure thing” for them. As usual, there are no short cuts. You gotta do the work! A...
Louwrentius
Secure caching DNS server on Linux with DJBDNS The most commonly used DNS server software is ISC BIND, the "Berkeley Internet Name Daemon"....
over a year ago
15
over a year ago
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet Name Daemon". However, this software has a bad security track record and is in my opinion a pain to configure. Mr. D.J. Bernstein developed "djbdns", which comes with a guarantee: if anyone finds a...
Computer Ads from...
Microwriter "I'll show you how to take on word processing single handed."
2 months ago
Abishek Muthian
How I run LLMs locally A HN user asked me0 how I run LLMs locally with some specific questions, I’m documenting it here for...
6 months ago
22
6 months ago
A HN user asked me0 how I run LLMs locally with some specific questions, I’m documenting it here for everyone. Before I begin I would like to credit the thousands or millions of unknown artists, coders and writers upon whose work the Large Language Models(LLMs) are trained, often...
Abishek Muthian
OpenWrt login alert I wanted to receive alert when logged into my OpenWrt router via SSH and this what I did. Replace...
over a year ago
18
over a year ago
I wanted to receive alert when logged into my OpenWrt router via SSH and this what I did. Replace Dropbear with OpenSSH-server OpenWrt uses lightweight Dropbear as SSH server by default but it needs to be compiled with PAM support to add alerts. Instead I'm replacing Dropbear...
Birchtree
Secretary of Defense put war plans in a group chat with a journalist Jeffrey Goldberg with an insane story in The Atlantic: The Trump Administration Accidentally Texted...
3 months ago
31
3 months ago
Jeffrey Goldberg with an insane story in The Atlantic: The Trump Administration Accidentally Texted Me Its War Plans The world found out shortly before 2 p.m. eastern time on March 15 that the United States was bombing Houthi targets across Yemen. > > I, however, knew two hours...
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...
8 months ago
33
8 months 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:...
Vitalik Buterin's...
預測市場:一個選舉小故事(2021年 二月)
over a year ago
Odds and Ends of...
Odds and Ends #57: The government isn't as sluggish as it feels Why Labour supporters should hold their nerve (for now)
5 months ago
./techtipsy
ThinkPad T40: it can still run modern Linux, for now I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some...
a year ago
144
a year ago
I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some time around my university days because I liked collecting ThinkPads at the time, and it was a nice complement to my existing ThinkPad T60 and T430. The battery is dead, but everything...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Arduino Blog
This fake CRT TV works using lasers and UV magic Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media...
7 months ago
67
7 months ago
Until the 21st century, cathode-ray tube (CRT) TVs were pretty much the only option. As such, media was made to suit them. Retro video game consoles in particular look best on CRT TVs. But those old TVs are getting hard to find and desirable models are now quite expensive. So,...
Home on Erik...
Dollar cost averaging (I accidentally published an unfinished draft of this post a few days ago – sorry about...
over a year ago
21
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.
Jonas Hietala
My first theme: Addictive Gaming In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t...
over a year ago
14
over a year ago
In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t be following the lead from the Experimental Gameplay Project’s site but I will follow their three laws (7 days, alone, themes). Puh… my first game! Wish me luck =)
./techtipsy
HoloISO: the unofficial Steam Deck experience on your PC If you have spent any time in gaming hardware circles, then you’ve probably heard about the Steam...
over a year ago
62
over a year ago
If you have spent any time in gaming hardware circles, then you’ve probably heard about the Steam Deck, the Linux-based handheld gaming PC built by Valve. Yes, you heard that right: not Windows, but Linux. I’ve had my fair share of attempts at gaming on Linux. When it works,...
Nabeel S. Qureshi
Films + Books, Q1 2023 What I watched and read
over a year ago
Home on Erik...
Giving more tools to software engineers: the reorganization of the factory It's a popular attitude among developers to rant about our tools and how broken things are. Maybe...
over a year ago
16
over a year ago
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe I'm an optimistic person, because my viewpoint is the complete opposite! I had my first job as a software engineer in 1999, and in the last two decades I've seen software engineering...
Vitalik Buterin's...
Don't overload Ethereum's consensus
over a year ago
Arduino Blog
Vintage rotary phone becomes stylish kitchen timer It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three...
a year ago
130
a year ago
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three minutes, knead the dough for 15 minutes, bake for 30 minutes, and so on. A timer is a necessity for cooking and baking, but there is no reason you need to use your phone or a...
./techtipsy
Good reads This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule,...
over a year ago
47
over 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...
computers are bad
2024-05-06 matrix For those of you who are members of the Matrix project, I wanted to let you know that I am running...
a year ago
168
a year ago
For those of you who are members of the Matrix project, I wanted to let you know that I am running for the Governing Board, and a bit about why. For those of you who are not, I hope you will forgive the intrusion. Maybe you'll find my opinions on the topic interesting anyway. I...
Home on Erik...
Fermat's principle I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
19
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
Louwrentius
The minimum requirements for a secure system The most secure server system is a system that is not connected to a network and turned off....
over a year ago
12
over a year ago
The most secure server system is a system that is not connected to a network and turned off. However, little work seems to be getting done this way. So we want to turn systems on and connect them to a network, or even (God forbid) the internet. The thing is this. A system...
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
14
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,...
Arduino Blog
Giving a teenage pet turtle a synthetic pizza-ordering voice If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of...
10 months ago
62
10 months ago
If B. F. Skinner’s famous research proved anything, it is that virtually all animals are capable of some degree of training. Training is really just taking advantage of an animal’s natural inclination to adapt for survival, which is something all living organisms do. With that in...
Simply Explained
How I Built an NFC Movie Library for my Kids When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to...
a year ago
35
a year ago
When I was a kid, my sister and I had a tower of VHS tapes we watched endlessly. Fast-forward to today, and my children's movie collection is vastly different. It's completely digital and dispersed across services. I wanted to recreate the tangible magic of my childhood for them.
Posts on Made of...
Write yourself an strace in 70 lines of code Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
15
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Good Enough
Season 3, Issue 2: Britney Coltrane 1. I ❤️HR The past two weeks Barry and Lettini have been building our next little project, and I...
over a year ago
18
over a year ago
1. I ❤️HR The past two weeks Barry and Lettini have been building our next little project, and I tried to deal with the company-side of work: setting up payroll, health insurance, and making sure we’re compliant (hello, bureaucracy!). Back in the day when Danny and I started...
Notes on software...
Minimal downtime Postgres major version upgrades with EDB Postgres Distributed This is an external post of mine. Click here if you are not redirected.
4 months ago
Willem's Blog
Assembling a cargo bike How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
20
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Jorge Arango
Humanities Crash Course Week 6: Herodotus Week 6 of my humanities crash course included four books from Herodotus’s Histories and Plato’s...
5 months ago
43
5 months ago
Week 6 of my humanities crash course included four books from Herodotus’s Histories and Plato’s Symposium. I also listened to gorgeous music from exotic (to me) ports of call, learned about Persian art and architecture, and watched a new documentary about René...
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
19
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...
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...
a year ago
105
a year 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...
Elevation Lab - Blog
Factory Raw: Limited Run Finish Straight from our CNC mills - machining marks and all. These raw ElevationDock 3's have a bright,...
over a year ago
13
over a year ago
Straight from our CNC mills - machining marks and all. These raw ElevationDock 3's have a bright, gorgeous, utilitarian look. You can see exactly how they were 5-axis milled, held, and hand deburred. They look cool on a desk and are popular around our office (mostly with machined...
Arduino Blog
Using a racing sim rig with a real RC car Most of us will never get a chance to drive a Ferrari F50 around the Nürburgring in real life, but...
3 months ago
30
3 months ago
Most of us will never get a chance to drive a Ferrari F50 around the Nürburgring in real life, but we can all do so in a racing sim. To get the most out of that experience, many people build serious and elaborate racing sim rigs. What if one could use their racing sim rig […] The...
Jonas Hietala
2012 in Review Like the last two years I’m summarizing the year. At the end of the year like this it always feel...
over a year ago
17
over a year ago
Like the last two years I’m summarizing the year. At the end of the year like this it always feel like I didn’t accomplish much, but after the yearly summary it always feels better. 2012 Geek Achievements Designed a processor which fulfills the Core Wars 88 standard. Includes a...
Jonas Hietala
Friend of the Tree I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It...
over a year ago
20
over a year ago
I just noticed I was recognized as a friend of the tree in a weekly meeting by the rust team. It came during my documentation sprint during IDA Summer of Code and I discovered it now, only two and a half month later. Still a very pleasant surprise!
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary In this post we'll stumble toward a working emulator for a barebones C program compiled for...
over a year ago
20
over a year ago
In this post we'll stumble toward a working emulator for a barebones C program compiled for linux/AMD64. The approach will be slightly more so based on observation than by following a spec; a great way to quickly become familiar with a topic, and a bad way to...
lcamtuf’s thing
Getting silly with C, part (void*)2 They won't be able to find bugs in your code if they can't figure out how it works.
6 months ago
Never Met a Science
"do not worry about ethical implications" ....is probably not something you want to be prompting LLMs with
2 months ago
computers are bad
2025-04-06 Airfone We've talked before about carphones, and certainly one of the only ways to make phones even more...
3 months ago
27
3 months ago
We've talked before about carphones, and certainly one of the only ways to make phones even more interesting is to put them in modes of transportation. Installing telephones in cars made a lot of sense when radiotelephones were big and required a lot of power; and they faded...
Willem's Blog
The joy of a simple laptop This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the...
over a year ago
17
over a year ago
This week I tested the Surface Laptop Go with Windows 10 and quite frankly was amazed by the experience!
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
21
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
Consider the data product The advice might seem dated these days, but I think the stair step approach to bootstrapping is...
8 months ago
23
8 months ago
The advice might seem dated these days, but I think the stair step approach to bootstrapping is evergreen: It’s much easier to sell an add-on to an existing ecosystem like a WordPress plugin, a Shopify app, a Heroku add-on – they’re usually small things to build, relatively...
Posts on Made of...
Git in pictures In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
19
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Home on Erik...
A neat little trick with time decay Something that pops up pretty frequently is to implement time decay, especially where you have...
over a year ago
15
over a year ago
Something that pops up pretty frequently is to implement time decay, especially where you have recursive chains of jobs. For instance, say you want to keep track of a popularity score. You calculate today's output by reading yesterday's output, discounting it by $$ exp(-lambda...
Jorge Arango
Book Notes: “Masters of Uncertainty” Masters of Uncertainty: The Navy SEAL Way to Turn Stress into Success for You and Your Team By Rich...
3 months ago
41
3 months ago
Masters of Uncertainty: The Navy SEAL Way to Turn Stress into Success for You and Your Team By Rich Diviney  Amplify Publishing, 2025 We’re dealing with unprecedented levels of uncertainty. But that shouldn’t disempower us. Diviney, a former Navy SEAL, provides insights for...
Computer Ads from...
Plus Post: Sony SMC-777C One person, Eight languages. The 8bit.
a month ago
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home Ask your friends about their favorite games at the arcade and the most common answer will likely be...
a year ago
120
a year ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Old Vintage...
The Hall SC-VGA-2 video processor, the Atari ST and NeXTSTEP: more tales of the unscreenshotable A periodic fascination on this blog is figuring out better ways to get better screenshots of our...
7 months ago
16
7 months ago
A periodic fascination on this blog is figuring out better ways to get better screenshots of our classic systems, which often hail from the Wild Wild West/East in terms of video standards (read all entries in this series). Naturally the best way is a bitwise direct grab of the...
OH8HUB’s Substack
Spring day ham radio activation in Hiastinlahti, Finland Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of...
over a year ago
100
over a year ago
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of Bothnia. This area is a Nature 2000 nature reserve area and good spot for bird watching. The area has a two kilometer long nature trail with fireplace, lean-to and toilet. From the...
Home on Erik...
What I have been working on: Modal Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
23
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Louwrentius
Linux on Mac Mini - boot after power failure When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a...
over a year ago
16
over a year ago
When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a power failure has occurred. User chirhoxi on the ubuntu forum found out how this can be achieved: http://ubuntuforums.org/showthread.php?t=1209576 Basically you need one of these...
GitButler
How Core Git Developers Configure Git What `git config` settings should be defaults by now? Here are some settings that even the core...
4 months ago
46
4 months ago
What `git config` settings should be defaults by now? Here are some settings that even the core developers change.
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a...
over a year ago
58
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a better adapter like the Intel Dual Band Wireless-AC 7260, and found that Bluetooth is not working as intended on your ThinkPad T430 running Linux? Here’s a guide on what you can...
lcamtuf’s thing
What's root mean square voltage? And how do we derive its value for sine waves?
4 months ago
Elevation Lab - Blog
Introducing ElevationShelf XL & XL Plus Few products have been requested as much as a bigger version of our popular Elevation Shelf. So we...
over a year ago
12
over a year ago
Few products have been requested as much as a bigger version of our popular Elevation Shelf. So we made some new versions - and they work great! To hold more weight, Elevation Shelf XL ships with hollow core and solid core mounting hardware. It will hold over 50lbs and can be...
Odds and Ends of...
Here's a pitch for what the National Data Library should actually be Do you want to be a National Data Librarian?
4 months ago
Applied Cartography
PSA: mess around with Kolo I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
a year ago
16
a year ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code. If you have a Django app, I think you should drop...
Arduino Blog
This perplexing robotic performer operates under the control of three different Arduino boards Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their...
9 months ago
42
9 months ago
Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their potential within our world. Because the practical applications are actually pretty limited (given the high cost), we inevitably begin to consider how those robots might function as...
Himanshu Mishra |...
Why is Sublime Text not something to be frowned upon? There have been people, advisers, and more people, enlightening the fact about “real programmers”,...
over a year ago
12
over a year ago
There have been people, advisers, and more people, enlightening the fact about “real programmers”, they use emacs or vim. ‘I use sublime…
Toni Lijic
SwiftUI Explorations My journey of learning SwiftUI as a designer.
a year ago
Vitalik Buterin's...
The math of when stage 1 and stage 2 make sense
2 months ago
Arduino Blog
Easy and fun block-based coding with the Alvik robot is here, now Chromebook compatible! At Arduino, we believe coding should be accessible to everyone – including the youngest learners....
8 months ago
55
8 months ago
At Arduino, we believe coding should be accessible to everyone – including the youngest learners. With this in mind, we’re thrilled to announce that the Arduino Alvik robot now officially supports block-based coding! Coding has never been easier thanks to Alvik’s seamless...
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
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag Some computer related levity from OZ
7 months ago
GitButler
The Birth of THE MERGE Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our...
a year ago
17
a year ago
Sitting at lunch one day, the GitButler team were having our usual conversations of how awesome our community is, product feature ideas, and how much Kiril loves food. As we shifted toward the topic of conferences, the idea of hosting our own event emerged. Wouldn’t it be fun
Ken Shirriff's blog
The origin and unexpected evolution of the word "mainframe" What is the origin of the word "mainframe", referring to a large, complex computer? Most sources...
5 months ago
59
5 months ago
What is the origin of the word "mainframe", referring to a large, complex computer? Most sources agree that the term is related to the frames that held early computers, but the details are vague.1 It turns out that the history is more interesting and complicated than you'd...
Arduino Blog
Using Arduino with gaming It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related...
8 months ago
59
8 months ago
It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related projects. Both activities tend to attract people with a love for problem-solving, technology, and getting immersed in one challenging activity for hours at a time. The result is...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End...
a year ago
159
a year ago
Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End Result Introduction I recently bought a TDS 684B for cheap at a government auction. With 1 GHz BW and 5 Gsps sample rate, it can be used for those cases where my 350 MHz/2Gsps Siglent...
Home on Erik...
What is your motivation? I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
14
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This...
a year ago
20
a year ago
With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This is a feature MySQL has supported for a long time. There are at least 8 different built-in engines you can pick from. MyRocks, MySQL on RocksDB, is another popular third-party...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s? I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet...
over a year ago
94
over a year ago
I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit. This is a fantastic little desktop PC kit that is very small, quiet and can still be configured to have ridiculous amounts of...
./techtipsy
Control - how to make a game enjoyable for casual audiences I’ve decided to intentionally take more time to play video games this year, since it’s a relatively...
a year ago
170
a year ago
I’ve decided to intentionally take more time to play video games this year, since it’s a relatively healthy way to escape from the real world once in a while. A friend recommended one game in particular: Control: Ultimate Edition. During the Steam summer sale of 2023, I went...
Electronics etc…
Guide Technology GT300 Frequency Standard Teardown MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
151
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Odds and Ends of...
Odds and Ends #65: Everything is about everything Plus why Britain can't build things... except for the Lower Thames Crossing, apparently.
3 months ago
Neil Madden
Entity authentication with a KEM In cryptography, the process of authenticating a user (or app/service) is known as entity...
over a year ago
22
over a year ago
In cryptography, the process of authenticating a user (or app/service) is known as entity authentication or identification (to distinguish it from message authentication or data origin authentication). There are lots of ways to do this. In this post I’m going to talk about...
Notes on software...
Burn your title I've been a developer, a manager, a cofounder, and now I'm a developer again. I ran away from each...
2 months ago
26
2 months ago
I've been a developer, a manager, a cofounder, and now I'm a developer again. I ran away from each position until being a founder because I felt like I was limited by what I was allowed to do. But I reached an enlightment of sorts during my career progression: that everyone...
Posts on Made of...
Stripe's monorepo developer environment I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed...
a year ago
33
a year ago
I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed to many generations of Stripe’s developer environment – the tools that engineers used daily to write and test code. I think Stripe did a pretty good job designing and building that...
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
17
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...
Applied Cartography
11ty .njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a...
a year ago
15
a year ago
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a good amount. Maybe that's a me thing! It is extremely fast. This site has around 2300 pages; Eleventy is compiling it in around two seconds. The extensibility ergonomics are...
Notes on software...
How I run a coffee club I started the NYC Systems Coffee Club in December of 2023. It's gone pretty well! I regularly get...
6 months ago
80
6 months ago
I started the NYC Systems Coffee Club in December of 2023. It's gone pretty well! I regularly get around 20 people each month. You bring a drink if you feel like it and you hang out with people for an hour or two. There is no agenda, there is no speaker, there is no structure....
Posts on Made of...
Fun with the preprocessor: CONFIG_IA32_EMULATION hacks in Linux About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that...
over a year ago
20
over a year ago
About two months ago, Linux saw CVE-2010-0307, which was a trival denial-of-service attack that could crash essentially any 64-bit Linux machine with 32-bit compatibility enabled. LWN has an excellent writeup of the bug, which turns out to be a subtle error related to the details...
Arduino Blog
Arduino Cloud is now available in AWS Marketplace! We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
9 months ago
64
9 months ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
Notes on software...
A reawakening of systems programming meetups This year has seen a resurgence in really high quality systems programming meetups. Munich...
a year ago
20
a year ago
This year has seen a resurgence in really high quality systems programming meetups. Munich Database Meetup, Berlin Systems Group, SF Distributed Systems Meetup, NYC Systems, Bengaluru Systems, to name a few. This post summarizes a bit of disappointing recent tech meetup history,...
Jonas Hietala
Motivation is Valuable It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
15
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Birchtree
A few recent examples of beautiful, distinct TV cinematography Instead of posting collections of interesting videos every once in a while, I'm going to try...
3 months ago
20
3 months ago
Instead of posting collections of interesting videos every once in a while, I'm going to try treating them like regular old link posts: here's a video, here's what I think of it or what it made me feel. I learn a lot from videos
Good Enough
Season 1, Issue 3: Fool Me Three Times This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the...
over a year ago
16
over a year ago
This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the Warr…iors... sob… It’s just one game, right? 1. No One Likes a Giveaway Who doesn’t love a good pickle? Well that didn’t happen. There were no entries to last week’s giveaway. If you...
computers are bad
2024-04-26 microsoft at work I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to...
a year ago
126
a year ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to apologize, but I do feel a little bad. Part of it is just that I've been busy, with work and travel and events. Part of it is that I've embarked on a couple of writing projects only to...
Notes on software...
The world of PostgreSQL wire compatibility This is an external post of mine. Click here if you are not redirected.
over a year ago
Notes on software...
Edit for clarity I have the fortune to review a few important blog posts every year and the biggest value I add is to...
5 months ago
42
5 months ago
I have the fortune to review a few important blog posts every year and the biggest value I add is to call out sentences or sections that make no sense. It is quite simple and you can do it too. Without clarity only those at your company in marketing and sales (whose job it is to...
Odds and Ends of...
Odds and Ends #62: Right-wing populism is over... maybe... possibly... hopefully Plus over-diagnosis, governance theatre, and... crisps.
4 months ago
anderegg.ca
An update on Mastodon and referer headers Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys...
6 months ago
46
6 months ago
Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys following web analytics, it seemed a shame that Mastodon appeared never to send any traffic. I knew this wasn’t the case, but that lack of traffic data certainly wasn’t doing...
Jonas Hietala
Speeding Ahead Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
19
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
Jonas Hietala
How I made a kick-ass cover for my self-published book If you want to publish a book, one of the most important things to consider is the cover—after all,...
over a year ago
15
over a year ago
If you want to publish a book, one of the most important things to consider is the cover—after all, we judge the book by the cover. And I did it the universally recommended way: I hired a designer. Simple, right? But real talk; it’s not exactly that simple and I did a bunch of...
Posts on Made of...
Why node.js is cool (it's not about performance) For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
16
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Himanshu Mishra |...
Geniune Love and Infatuation After a long time, I read something so meaningful on reddit. How do you distinguish genuine love for...
over a year ago
13
over a year ago
After a long time, I read something so meaningful on reddit. How do you distinguish genuine love for someone from infatuation? was the…
Arduino Blog
Recreating a bizarre century-old electronic instrument There are a handful of instruments that are staples of modern music, like guitars and pianos. And...
a month ago
16
a month ago
There are a handful of instruments that are staples of modern music, like guitars and pianos. And then there are hundreds of other instruments that were invented throughout history and then fell into obscurity without much notice. The Luminaphone, invented by Harry Grindell...
Elevation Lab - Blog
Introducing TagVault Strap for AirTag Having DSLR cameras stolen, having gear bags stolen, we wanted a hard-core AirTag mount to mount to...
over a year ago
15
over a year ago
Having DSLR cameras stolen, having gear bags stolen, we wanted a hard-core AirTag mount to mount to them and to be discreet. So we took our much loved TagVault Pet waterproof AirTag case, over engineered to take abuse from large dogs, and gave it all matte black hardware so it...
Himanshu Mishra |...
Lessons for creating good open source software I was reading about The Cathedral and the Bazaar, a book by Eric S. Raymond on various (open source)...
over a year ago
14
over a year ago
I was reading about The Cathedral and the Bazaar, a book by Eric S. Raymond on various (open source) software development methods. The…
Matt Mullenweg
Ed Catmull on Change I’ve been really enjoying the book Creativity Inc by Ed Catmull of Pixar, it was recommended to me...
5 months ago
42
5 months ago
I’ve been really enjoying the book Creativity Inc by Ed Catmull of Pixar, it was recommended to me by my colleague Dave Martin a while back and I finally got around to it. There’s an interesting story in it where George Lucas has asked him to develop a film editing system that...
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
18
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine. I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
20
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation. I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different circuits...
Home on Erik...
My issue with GPU-accelerated deep learning I've been spending several hundred bucks renting GPU instances on AWS over the last year. The...
over a year ago
18
over a year ago
I've been spending several hundred bucks renting GPU instances on AWS over the last year. The speedup from a GPU is awesome and hard to deny. GPUs have taken over the field. Maybe following the footsteps of Bitcoin mining there's some research on using FPGA (I know very little...
Applied Cartography
Recursive filter schema When we added support for complex filtering in Buttondown, I spent a long time trying to come up...
4 months ago
34
4 months ago
When we added support for complex filtering in Buttondown, I spent a long time trying to come up with a schema for filters that felt sufficiently ergonomic and future-proof. I had a few constraints, all of which were reasonable: It needed to be JSON-serializable, and trivially...
Arduino Blog
Using an Arduino Nicla Vision as a drone flight controller Drone flight controllers do so much more than simply receive signals and tell the drone which way to...
a month ago
16
a month ago
Drone flight controllers do so much more than simply receive signals and tell the drone which way to move. They’re responsible for constantly tweaking the motor speeds in order to maintain stable flight, even with shifting winds and other unpredictable factors. For that reason,...
Home on Erik...
Lessons from content marketing myself (aka blogging) for five years I started writing this blog in late 2012, partly because I felt like it would help me improve my...
over a year ago
14
over a year ago
I started writing this blog in late 2012, partly because I felt like it would help me improve my English and my writing skills, partly because I kept having a lot of random ideas in my head and I wanted to write them down somewhere.
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
15
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...
Vitalik Buterin's...
Endgame
over a year ago
Odds and Ends of...
I think I've solved the AI copyright problem A sketch of what a grand bargain might look like
2 months ago
Old Vintage...
After 41 years, my first assembly program on my first computer, the Tomy Tutor We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor...
a year ago
14
a year ago
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor isn't a replacement system I secondarily acquired, nor is it a Ship of Theseus Frankenstein rebuild. This is my actual first computer, in its original case, on its original...
Arduino Blog
DIY micro lab analyzes ammonia levels in blood and urine Cirrhosis of the liver is an extremely serious condition that requires extensive medical monitoring...
4 months ago
31
4 months ago
Cirrhosis of the liver is an extremely serious condition that requires extensive medical monitoring and often intervention. Progression of the condition can be fatal, so even if caught early it must be monitored closely. But, like most things in medicine, that gets expensive....
Abishek Muthian
Apple’s Chipnomics — How is apple chip faster than the rest From Tom’s guide review of iPhone 8 Many reviewers have shared benchmark results of the new A11...
over a year ago
14
over a year ago
From Tom’s guide review of iPhone 8 Many reviewers have shared benchmark results of the new A11 Bionic SoC (System on Chip) from latest Apple devices & this was not unexpected. I would like to introspect how Apple is managing to build better SoC’s than even traditional chip...
Himanshu Mishra |...
Joining Spotify in Sweden Image source Life in Japan All the things that I knew about Japan turned out to be true, as soon as...
over a year ago
12
over a year ago
Image source Life in Japan All the things that I knew about Japan turned out to be true, as soon as I arrived here 8 months ago. Japan is a…
Home on Erik...
The half-life of code & the ship of Theseus As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
15
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Louwrentius
ZFS: Performance and capacity impact of ashift=9 on 4K sector drives Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance...
over a year ago
15
over a year ago
Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance deteriorated from 1.1 GB/s to 830 MB/s with just 16 TB of data on the pool. Also I noticed that resilvering was very slow. This is why I decided to abandon my 24 drive RAIDZ3...
Odds and Ends of...
Why the Tories should embrace Abundance Plus why it's time to build Sizewell C, and a horrifying fact about caravans
2 months ago
Jonas Hietala
Let's build a VORON: Smaller fixes I’ve been busy. Busy printing stuff. Which is awesome, because one big worry I had was if I’d...
a year ago
23
a year ago
I’ve been busy. Busy printing stuff. Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time. But of course, I’ve been slowly working through my large mods-I-want list. My initial plan was to...
Avestura's Blog
Explaining The Postgres Meme Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
over a year ago
Jonas Hietala
How I did the layout for my self-published book This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
a year ago
18
a year ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version. I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things. Web page I started...
Abishek Muthian
Meta is holding my Facebook Page hostage I have been trying to delete my Meta/Facebook account for past several months in vain because I...
over a year ago
16
over a year ago
I have been trying to delete my Meta/Facebook account for past several months in vain because I couldn't download a copy of my Facebook Page before I delete my account. Facebook provides 'Request a download' feature for downloading a copy of the the Page. It worked fine for pages...
computers are bad
2024-06-02 consumer electronics control In a previous episode, I discussed audio transports and mention that they have become a much less...
a year ago
121
a year ago
In a previous episode, I discussed audio transports and mention that they have become a much less important part of the modern home theater landscape. One reason is the broad decline of the component system: most consumers aren't buying a television, home theater receiver,...
Notes on software...
On NYC, Tokyo and Seoul I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a...
over a year ago
17
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a rural community a few hours west of there. My wife is South Korean and last week concluded my second trip to the suburbs of Seoul to visit her family. We finished up that trip with a...
Notes on software...
React without webpack: fast path to a working app from scratch This is an external post of mine. Click here if you are not redirected.
over a year ago
Willem's Blog
Something the smartwatch will never have: patina Patina is often neglected when comparing smartwatches with regular watches.
over a year ago
Birchtree
The VR market shrunk yet again in 2024 Counterpoint Research: Global VR Market Declines 12% YoY in 2024; ‘AR+AI’ Smart Glasses to Take...
3 months ago
25
3 months ago
Counterpoint Research: Global VR Market Declines 12% YoY in 2024; ‘AR+AI’ Smart Glasses to Take Centre Stage in 2025 Global VR headset shipments fell 12% YoY in 2024, marking their third consecutive year of declines due to the continued weak consumer demand. This is actually...
Birchtree
X Premium Plus now costs well more than running my own damn Mastodon server Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge X has...
6 months ago
46
6 months ago
Jess Weatherbed: X Raises Premium Plus Subscription Pricing by Almost 40 Percent - The Verge X has substantially raised the price of its top-tier user subscription in multiple regions to help bolster the platform’s creator payouts. The increase for Premium Plus came into effect...
./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
61
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....
Vitalik Buterin's...
Layer 1 Should Be Innovative in the Short Term but Less in the Long Term
over a year ago
axio.ms
32-bit hat, with LEDs Built in November 2015 (now-traditional multi-year writeup delay applied) A hat,...
over a year ago
27
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied) A hat, bejewelled with 38 RGB LEDs Is this thing on..? It’s been a while since I’ve written one of these. So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
Louwrentius
Mounting a file system or partition from a disk image You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know...
over a year ago
19
over a year ago
You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know where the partition starts on the disk. So first, you need to get the partition table with sfdisk: sfdisk -l -uS image_file.dd The output is something like: Disk...
Home on Erik...
Fun with trigonometry: the world's most twisted coastline I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
14
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
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
17
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...
./techtipsy
Oops, I published my drafts! Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
a year ago
118
a year ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time I published my FOSDEM 2024 post. Oops. I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Arduino Blog
This platypus-shaped robot is built from vacuum cleaner parts We all love the immense convenience provided by robot vacuum cleaners, but what happens when they...
2 weeks ago
11
2 weeks ago
We all love the immense convenience provided by robot vacuum cleaners, but what happens when they get too old to function? Rather than throwing it away, Milos Rasic from element14 Presents wanted to extract the often-expensive components and repurpose them into an entirely new...
Home on Erik...
Presentations about Spotify music recommendations A couple of people in my old team have been around talking about how Spotify does music...
over a year ago
18
over a year ago
A couple of people in my old team have been around talking about how Spotify does music recommendations and put together some quite good presentations. First one is Neville Li's presentation about Scala Data Pipelines @ Spotify:
Vitalik Buterin's...
What in the Ethereum application ecosystem excites me
over a year ago
Louwrentius
Understanding Storage Performance - IOPS and Latency Introduction The goal of this blogpost is to help you better understand storage performance. I want...
over a year ago
49
over a year ago
Introduction The goal of this blogpost is to help you better understand storage performance. I want to discuss some fundamentals that are true regardless of your particular needs. This will help you better reason about storage and may provide a scaffolding for further learning....
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
7 months ago
35
7 months ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version. In it, there’s a song I really love that plays on the level select screen called Gate of Your...
Himanshu Mishra |...
Collection of Linux fortunes ❤ fortune | cowsay This is about how I maintain the space...
over a year ago
12
over a year ago
fortune | cowsay This is about how I maintain the space https://github.com/OrkoHunter/mfdf/blob/master/fortunesfortune is a Unix program…
Jonas Hietala
Ludum Dare 17 - an hour or two into it I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a...
over a year ago
13
over a year ago
I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a massage course (which by the way was pretty darn good), and about halfway there this is what I’ve done: Chockingly… ugly All is not what meets the eye though, I’ve got the basics done...
Arduino Blog
This robotic kalimba plays melodies with an Arduino Nano With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each...
10 months ago
56
10 months ago
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each tuned for a specific note, and upon plucking or striking one, a pleasant xylophone-like sound can be heard. Taking inspiration from his mini kalimba, Axel from the YouTube channel...
Opsbros
Debug Header After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
25
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
Home on Erik...
Software Engineers and Automation Every once in a while when talking to smart people the topic of automation comes up. Technology has...
over a year ago
16
over a year ago
Every once in a while when talking to smart people the topic of automation comes up. Technology has made lots of occupations redundant, so what's next? Switchboard operator, a long time ago What about software engineers?
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the...
a year ago
112
a year ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the whole experience. I’ve split this post into three separate sections. overall notes on the conference and the city less technical, but sheds light on the FOSDEM experience the...
Matt Mullenweg
Real WordPress Security One thing you’ll see on every host that offers WordPress is claims about how secure they are,...
4 months ago
37
4 months ago
One thing you’ll see on every host that offers WordPress is claims about how secure they are, however they don’t put their money where their mouth is. When you dig deeper, if your site actually gets hacked they’ll hit you with remediation fees that can go from hundreds to...
Jonas Hietala
Focusing Attention: Study Hacking A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my...
over a year ago
14
over a year ago
A week of drawing is over, but I didn’t draw that much. It was a little bit of a fail from my part. But the past is the past and this week I’m going to be study focused. Not that I need to study, but I really need to rework my study technique. I’ve been going on like a classical...
Neil Madden
Why the OAuth mTLS spec is more interesting than you might think I was catching up on the always excellent Security. Cryptography. Whatever. podcast, and enjoyed the...
over a year ago
22
over a year ago
I was catching up on the always excellent Security. Cryptography. Whatever. podcast, and enjoyed the episode with Colm MacCárthaigh about a bunch of topics around TLS. It’s a great episode that touches a lot of subjects I’m interested in, so go ahead and listen to it if you...
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
19
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...
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
19
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...
Electronics etc…
Rohde & Schwarz AMIQ Modulation Generator - Teardown and Analog Deep Dive Introduction The Rohde & Schwarz AMIQ Modulation Generator WinIQSim Software Inside the AMIQ The...
2 months ago
16
2 months ago
Introduction The Rohde & Schwarz AMIQ Modulation Generator WinIQSim Software Inside the AMIQ The Signal Generation PCB Analog Signal Generation Architecture: Fixed vs Variable DAC Clock Internal Reference Clock Generation DAC Clock Synthesizer I/Q Output Skew Tuning Variable Gain...
Home on Erik...
Luigi: complex pipelines of tasks in Python I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps...
over a year ago
17
over a year ago
I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps you build complex pipelines of batch jobs, handle dependency resolution, and create visualizations to help manage multiple workflows. It also comes with Hadoop support built in...
Odds and Ends of...
NEW EVENT: How the YIMBYs won Book now to see my conversation with housing hero Anya Martin!
5 months ago
Vitalik Buterin's...
Against choosing your political allegiances based on who is "pro-crypto"
12 months ago
Abishek Muthian
Smart Watch to Smart Clock I was one of the early adopters of smart watch ecosystem with OG LG G Watch, but lately I have...
over a year ago
13
over a year ago
I was one of the early adopters of smart watch ecosystem with OG LG G Watch, but lately I have stopped wearing watches altogether as they're sweaty and that I've become weary of having devices with large batteries closer to my body especially those with connectivity. But the LG G...
Computer Ads from...
Plus Post: Centram TOPS Network Can we talk?
4 months ago
./techtipsy
The IPv6 situation on Docker is good now! Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently...
6 months ago
91
6 months ago
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently started reworking my home server setup to be more IPv6 compatible, and as part of that I learned that during the summer of 2024 Docker shipped an update that eliminated a lot of the...
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
21
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
somenice
CBC Spark with Nora Young Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
a year ago
79
a year ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Notes on software...
io_uring basics: Writing a file to disk King and I wrote a blog post about building an event-driven cross-platform IO library that...
a year ago
21
a year ago
King and I wrote a blog post about building an event-driven cross-platform IO library that used io_uring on Linux. We sketched out how it works at a high level but I hadn't yet internalized how you actually code with io_uring. So I strapped myself down this week and wrote...
Home on Erik...
Stuff that bothers me: “100x faster than Hadoop” The simple way to get featured on big data blog these days seem to be Build something that does 1...
over a year ago
17
over a year ago
The simple way to get featured on big data blog these days seem to be Build something that does 1 thing super well but nothing else Benchmark it against Hadoop Publish stats showing that it's 100x faster than Hadoop $$$ Spark claims their 100x faster than Hadoop and there's a...
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
23
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.
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
18
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Christian Selig
Server side Live Activities guide iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and...
9 months ago
99
9 months ago
iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and handy! I’ve been playing around with it a bit and found some parts a bit confusing, so I thought I’d do a little write up for future me as well as anyone else who could benefit! (For...