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Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
4
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
axio.ms
MicroMac, a Macintosh for under £5 A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building...
6 months ago
4
6 months ago
A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh. The original Macintosh was...
Computer Ads from...
Mark Williams' C Programming System What C did for Programming Mark Williams has done for C Programming
4 months ago
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
Notes on software...
How I run a software book club I've been running software book clubs almost continuously since last summer, about 12 months ago. We...
7 months ago
6
7 months ago
I've been running software book clubs almost continuously since last summer, about 12 months ago. We read through Designing Data-Intensive Applications, Database Internals, Systems Performance, and we just started Understanding Software Dynamics. The DDIA discussions were...
Ian's Blog
Learn how Windows builds its store of trusted root CA certificates Today I learned something fascinating about how Windows deals with trusted root CA certificates. It...
over a year ago
6
over a year ago
Today I learned something fascinating about how Windows deals with trusted root CA certificates. It might surprise you, and it certainly did for me, but out-of-the-box Windows doesn't come with a set of root CA certificates sufficient for web browsing. You can see this for...
Jonas Hietala
Let's build a VORON: Build start The end goal, as rendered by Autodesk’s online viewer I’m not sure where it came from, but it was...
a year ago
4
a year ago
The end goal, as rendered by Autodesk’s online viewer I’m not sure where it came from, but it was suddenly very important that I got myself a 3D printer. Maybe it was an important insight, but it maybe it was only a fix idea I got that somehow became this all-import...
Arduino Blog
This automatic laser turret keeps the cats entertained for hours Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their...
3 months ago
33
3 months ago
Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their cats indoors to avoid decimating the local wildlife population and that means Mr. Whiskers and Ms. Socks don’t get much opportunity to express their hunting urges. That’s why...
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...
4 months ago
49
4 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...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in...
6 months ago
85
6 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in 2016 when the first university scholarship money dropped, and it’s still my backup laptop of choice. Around 2017 I did something every reasonable poor computer science...
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
5
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?
Computer Ads from...
Ampere WS-1 A cool Japanese clamtop
9 months ago
Posts on Made of...
todo.pl ratmenu broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t...
over a year ago
7
over a year ago
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t use a mac, but I don’t see why linux users shouldn’t get fun toys to. So I hacked up the following two-liner that uses todo.pl and ratmenu to pop up a list of tasks, and mark one...
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
7
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
Why your marketing site should be separate In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we...
4 months ago
4
4 months ago
In Notes on buttondown.com and How Buttondown uses HAProxy, I outlined the slightly kludgy way we serve buttondown.com both as a marketing site (public-facing, Next/Vercel, largely just content pushed by non-developers) and an author-facing app (behind a login, Django/Heroku/Vue)...
Posts on Made of...
Disable Transparent Hugepages tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making...
over a year ago
8
over a year ago
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications...
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
61
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Christian Selig
First on New Blog Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will...
a year ago
52
a year ago
Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will remove. This goat’s name is apparently Gubgub, and very cute.
./techtipsy
I encourage you to write a blog It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90...
4 months ago
42
4 months ago
It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90 posts, received over 1 million clicks, a dozen legitimate reader e-mails and thousands of spam e-mails. And I love it! I’ve found that writing can be very fulfilling and I encourage...
Willem's Blog
For the love of mini The iPhone Mini has intangible greatness that most folks don't know about: read along for the love...
over a year ago
6
over a year ago
The iPhone Mini has intangible greatness that most folks don't know about: read along for the love of mini!
Jonas Hietala
addwatch: resource exhausted While tampering with Hakyll and running site preview I stumbled upon this error message: site:...
over a year ago
7
over a year ago
While tampering with Hakyll and running site preview I stumbled upon this error message: site: addWatch: resource exhausted (No space left on device) At first I tried to clear /tmp but, so clearly the device did have some space left. After a bit of googling I found a solution...
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
5
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
Louwrentius
'Linux: obtain motherboard model / type and vendor' If you want to know what motherboard is installed in a system, use the tool dmidecode: dmidecode |...
over a year ago
4
over a year ago
If you want to know what motherboard is installed in a system, use the tool dmidecode: dmidecode | grep -e "Manufacturer|Product" | head -n 4 | tail -n 2 The result might be something like: Manufacturer: ASUSTeK Computer INC. Product Name: P5Q-EM DO Manufacturer: ASUSTeK Computer...
Electronics etc…
Remote Controlling an HP 1670G Logic Analyzer with a Linux PC X Server Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the...
a year ago
80
a year ago
Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the logic analyzer Allow the logic analyzer to access your Ubuntu X server Configure the X-window Settings on the logic analyzer Install and declare the HP logic analyzer font...
Posts on Made of...
A Brief Introduction to termios: termios(3) and stty (This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part...
over a year ago
8
over a year ago
(This is part two of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 if you’re new here) In this entry, we’ll look at the interfaces that are used to control the behavior of the “termios” box sitting between the master and slave pty. The behaviors...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
43
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Matt Blewitt
Death, and Utsuge This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and...
2 months ago
12
2 months ago
This post discusses topics some may wish to avoid: terminal illness, hospice care, death, and Japanese visual novels.
Jonas Hietala
Going into Being Busy mode I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or...
over a year ago
4
over a year ago
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or something? So I can’t promise a game the next two months. Kinda beats the point of this site doesn’t it? I’m really sorry and that’s all I can say really… Hopefully I’ll get a week...
Louwrentius
Linux: script that creates table of network interface properties My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an...
over a year ago
7
over a year ago
My server has 5 network interfaces and I wanted a quick overview of some properties. There may be an existing linux command for this but I couldn't find it so I quickly wrote my own script (download). This is the output: The only requirement for this script is that you have...
Christian Selig
The Case for Getting Rid of TestFlight Review I tweeted today about how I think TestFlight review should become a thing of the past and many...
over a year ago
30
over a year ago
I tweeted today about how I think TestFlight review should become a thing of the past and many developers seemed to agree, but some had questions so I wanted to expand on my thoughts a little. TestFlight’s awesome. But like App Store submissions, TestFlight betas also require a...
Applied Cartography
Postgres batch enqueuing in ten lines of Django It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count =...
a year ago
5
a year ago
It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count = queryset.count() if count == 0: time.sleep(10) return with transaction.atomic(): batch = list( queryset.select_for_update(of=("self",),...
Notes on software...
Standard ML in 2020 Incredibly, Standard ML implementations are still actively developed. MLton, Poly/ML, MLKit, SML#...
over a year ago
7
over a year ago
Incredibly, Standard ML implementations are still actively developed. MLton, Poly/ML, MLKit, SML# and SML/NJ are the most prominent. Discussion on the future direction of Standard ML remains healthy as well. And somehow OCaml's lesser known cousin still beats out OCaml...
seangoedecke.com RSS...
What it's like working for American companies as an Australian For the last ten years I’ve worked for American tech companies as an Australian based in Australia....
9 hours ago
7
9 hours ago
For the last ten years I’ve worked for American tech companies as an Australian based in Australia. First I worked in a satellite office for…
Jonas Hietala
Netrunner Winter Kit Tournament Linköping After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14...
over a year ago
4
over a year ago
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14 participants. The number of players has grown a lot since the previous tournament which is really great. As I really wanted to win the wonderful Day Job playmat I went with two of...
Jonas Hietala
First impressions of Ghostty There are two conflicting forces in play in setting up your computer environment: It’s common to...
4 days ago
14
4 days ago
There are two conflicting forces in play in setting up your computer environment: It’s common to find people get stuck at the extreme ends of the spectrum; some programmers refuse to configure or learn their tools at all, while others get stuck re-configuring their setups...
Lighthouse Blog
Browser extensions to add articles
2 weeks ago
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
2 months ago
11
2 months ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers. Intel, on the other hand, seems to be taking things in a much different, much...
Vitalik Buterin's...
Multidimensional gas pricing
8 months ago
seangoedecke.com RSS...
Learning incident response with problem sets It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
4
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Vitalik Buterin's...
Plurality philosophy in an incredibly oversized nutshell
4 months ago
Arduino Blog
Export data from Arduino Cloud to AWS S3 Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time...
2 days ago
10
2 days ago
Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time series data straight to AWS S3. With this seamless connection, organizing and analyzing your data is a breeze. In case you don’t know, Arduino Cloud is a robust, integrated platform...
Ken Shirriff's blog
The Pentium as a Navajo weaving Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving...
4 months ago
4
4 months ago
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving with a complex abstract pattern. Suddenly, I realized the pattern was strangely familiar, so I stopped and looked closely. The design turned out to be an image of Intel's Pentium...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
2 months ago
37
2 months ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Construction Physics
The Long Road to Fiber Optics Over the past six decades, advances in computers and microprocessors have completely reshaped our...
3 months ago
Jonas Hietala
Soda These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the...
over a year ago
6
over a year ago
These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the whole soda phenomenon in Canada and the US. Is it as addictive as cigarettes? Does it make you crave for more? Or it simply tastes so good that you can’t get enough of it? Why not...
Jonas Hietala
March Theme: 10 seconds Well well here’s something interesting. The Experimental Gameplay Project has given us a really...
over a year ago
6
over a year ago
Well well here’s something interesting. The Experimental Gameplay Project has given us a really interesting thing to focus on: Time. Like Braid, it’s time for us to make something interesting with time itself. 10 seconds is the constraint and that’s not a lot, but perhaps enough?
seangoedecke.com RSS...
How I got promoted to staff engineer twice At the beginning of 2021, Zendesk promoted me to staff software engineer. At the end of 2021 I...
a week ago
23
a week ago
At the beginning of 2021, Zendesk promoted me to staff software engineer. At the end of 2021 I switched jobs from Zendesk to GitHub. In…
Matt Mullenweg
Kindness and Techcrunch Disrupt Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their...
2 months ago
12
2 months ago
Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their awesome non-profit kindness.org. You can listen to it through Pocket Casts here: This is kind of funny because I’m obviously in the midst of the big battle with Silver Lake and WP...
Matt Mullenweg
My Freedom of Speech WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
12
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
watchTowr Labs
No Way, PHP Strikes Again! (CVE-2024-4577) Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by...
7 months ago
6
7 months ago
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by default”, and we were curious to say the least. XAMPP is a very popular way for administrators and developers to rapidly deploy Apache, PHP, and a bunch of other tools, and
Simply Explained
Impact of Adblockers on Google Analytics (vs. Plausible) Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have...
over a year ago
4
over a year ago
Adblocker usage is quickly rising, with some estimates saying that almost 25% of internet users have one installed. Not only do they block advertisements, but also analytics scripts (like Google Analytics, Matomo, etc.)So that begs the question: what is the impact of these...
Arduino Blog
This machine automatically creates chain art Art is very personal and we often consider the process of creation itself when evaluating the...
5 months ago
45
5 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E) I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
6
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Louwrentius
How to build an energy efficient computer for home use In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using...
over a year ago
4
over a year ago
In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using it. Long: People are spending a lot of time building an energy efficient home computer, that can act as an HTPC, NAS, or whatever. It must consume as little power as possible, because it it...
Home on Erik...
Annoy Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm...
over a year ago
6
over a year ago
Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm not trying to compete with existing packages, but Annoy has a couple of features that makes it pretty useful.
Notes on software...
Interpreting Go After spending some time at work on tooling for keeping documentation in sync with Go struct...
over a year ago
7
over a year ago
After spending some time at work on tooling for keeping documentation in sync with Go struct definitions I had enough exposure to Go's built-in parsing package that next steps were clear: write an interpreter. It's a great way to get more comfortable with a language's AST. In...
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
6
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:
Jonas Hietala
Hard Work I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
6
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well. I can allow myself a small pause I feel… Not sure where this is going to end, but I’m having a blast anyway!
Good Enough
Season 3, Issue 4: Cosmic Staggering Tortoises 1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The...
a year ago
6
a year ago
1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The ambitious goal is to write you a lovely letter every week. Aim for the moon, right? But wait, if you aim for the moon, how in this physical world can you possibly hit a star by...
anderegg.ca
Anzu Castle Gracula Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy...
a month ago
12
a month ago
Turns out you can release a QBasic game on Steam if it’s packaged correctly. Beside being a nerdy oddity, this game is extremely well made and quite fun! Lots of Castlevania II vibes going on here. Check out Anzu Castle Gracula on Steam, or give it a shot on Itch.io.
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
4 months 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...
6 months ago
81
6 months 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....
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000 In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
6
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
Notes on software...
Exploring a Postgres query plan I learned this week that you can intercept and redirect Postgres query execution. You can hook into...
a year ago
5
a year ago
I learned this week that you can intercept and redirect Postgres query execution. You can hook into the execution layer so you're given a query plan and you get to decide what to do with it. What rows to return, if any, and where they come from. That's very interesting. So I...
./techtipsy
This page looks better in the app You’re a web developer at a social media company that has recently made a big push for modernizing...
over a year ago
27
over a year ago
You’re a web developer at a social media company that has recently made a big push for modernizing their frontend for the mobile-first era. It has taken a lot of time and effort from many people. Countless challenges, arguments, testing. The release is near. You’re probably a bit...
Vitalik Buterin's...
Proof of Stake FAQ
over a year ago
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
6
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
Home on Erik...
3D in D3 I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
4
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon). D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Jonas Hietala
The first (worst) post Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog...
over a year ago
6
over a year ago
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog will be about and maybe, if I’m dedicated, it won’t die before Christmas you think. And sure, you’re right. I will run away to the corner in about two and a half months crying I never...
On Life and Lisp
Vulkan 1.3 on the M1 in 1 month u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the...
7 months ago
66
7 months ago
u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the M1! The new “Honeykrisp” driver is the first conformant Vulkan® for Apple hardware on any operating system, implementing the full 1.3 spec without “portability”...
Applied Cartography
Improving Django's default pagination performance Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single...
5 months ago
7
5 months ago
Buttondown's API calls are very fast, and one of the reasons why is that we've removed every single possible database query that we can. The most recent was what looked like a fairly benign COUNT(*) query, coming from the default Django paginator; if you're gonna paginate things,...
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
5 months ago
39
5 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
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
4
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...
Jonas Hietala
Let's build a VORON: Noise The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
10 months ago
4
10 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is. But there’s one thing that sucks: it’s damn loud. I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise. Silent controller...
Vitalik Buterin's...
In Defense of Bitcoin Maximalism
over a year ago
Bryan Braun - Blog
Setting up your /now page with an RSS feed I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now...
2 months ago
9
2 months ago
I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes. The problem is that RSS feeds aren’t...
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
2 weeks ago
34
2 weeks ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
7
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Ken Shirriff's blog
Intel's $475 million error: the silicon behind the Pentium division bug In 1993, Intel released the high-performance Pentium processor, the start of the long-running...
a week ago
33
a week ago
In 1993, Intel released the high-performance Pentium processor, the start of the long-running Pentium line. The Pentium had many improvements over the previous processor, the Intel 486, including a faster floating-point division algorithm. A year later, Professor Nicely, a number...
./techtipsy
The hidden media play/pause/stop keys on the Lenovo ThinkPad L390 Yoga ThinkPad keyboards were once well known for their great layouts, feel and functionality. This...
8 months ago
116
8 months ago
ThinkPad keyboards were once well known for their great layouts, feel and functionality. This included the media playback control keys. On the ThinkPad T430, the new chiclet keyboard layout moved the media keys to the function row. Still there, but less convenient to access. The...
Computer Ads from...
Comics from 1983/08 Today Mag Time for some levity. The following comics were all found in the August 1983 issue of Today...
10 months ago
81
10 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
./techtipsy
Archive
over a year ago
Old Vintage...
Niklaus Wirth dies Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which...
a year ago
67
a year ago
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which was written in UCSD Pascal; the first actual compiler I ever used was Turbo Pascal 5.5 (purloined from a campus NetWare server), and the first actual compiler I ever used on the...
Vitalik Buterin's...
Soulbound
over a year ago
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 6: The Splurge
2 months ago
./techtipsy
Fairphone 5: my heavily biased overview after 58 days of use (and counting) After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The...
10 months ago
125
10 months ago
After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The fact that iPhone X stopped receiving major iOS updates certainly helped make that decision. “But why? My Xiaomi/Oneplus/Samsung/other glued-together device is like so much cheaper and...
Home on Erik...
On the Equifax breach and how to really prevent identity theft A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
4
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
lcamtuf’s thing
A 15-minute intro to hobby CNC In which the author tilts at windmills for a brief while.
4 months ago
Jonas Hietala
Mining Incorporated (unfinished) Download Linux 64bit Windows Timelapse https://www.youtube.com/watch?v=NIbr-mLi4DU I made a very...
over a year ago
7
over a year ago
Download Linux 64bit Windows Timelapse https://www.youtube.com/watch?v=NIbr-mLi4DU I made a very serious attempt at making a grand game for Ludum Dare 29. Unfortunately it was a far, far, too big of a game for me to be able to finish it in one weekend. But I had a great...
computers are bad
2023-03-13 the door close button This will probably be a short one, and I know I haven't written for a while, but it has always been...
a year ago
44
a year ago
This will probably be a short one, and I know I haven't written for a while, but it has always been the case that you get what you pay for and Computers Are Bad is nothing if not affordable. Still, this is a topic on which I am moderately passionate and so I can probably stretch...
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...
3 months ago
30
3 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...
Lighthouse Blog
Updates December 08: YouTube support
a year ago
Louwrentius
'Syslog: the hidden security risk' People sometimes forget that there are also a number of UDP-based services that may pose a threat to...
over a year ago
4
over a year ago
People sometimes forget that there are also a number of UDP-based services that may pose a threat to the security of your systems. SNMP is a well-known service, notorious for being configured with a default password (or community string). But there is another service that is...
Gwern.net Newsletter
August 2020 gwern.net newsletter with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no...
over a year ago
Good Enough
The Space Between Us Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
7
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Posts on Made of...
Finding near-duplicates with Jaccard similarity and MinHash Suppose we have a large collection of documents, and we wish you identify which documents are...
6 months ago
7
6 months ago
Suppose we have a large collection of documents, and we wish you identify which documents are approximately the same as each other. For instance, we may have crawled the web over some period of time, and expect to have fetched the “same page” several times, but to see slight...
Vitalik Buterin's...
Na colusão
over a year ago
Birchtree
My default apps of 2024 Last year I was the 27th of four hundred and freaking eight people to write about their default...
2 weeks ago
34
2 weeks ago
Last year I was the 27th of four hundred and freaking eight people to write about their default apps, and I though it would be fun to turn this into a tradition and revisit the list to see if anything has changed since last year. ✨ next to each change
Computer Ads from...
OS-9 Bonus Content A detailed look at OS-9 for Tandy Color Computers
4 months ago
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
7
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...
Louwrentius
Fio-plot: creating nice charts from FIO storage benchmark data New release of fio-plot I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
over a year ago
7
over a year ago
New release of fio-plot I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below. The github project page explains how to run this tool. Fio-plot also includes a benchmark script...
Vitalik Buterin's...
Christmas Special
over a year ago
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...
a month ago
17
a month 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....
Posts on Made of...
Property-Based Testing Is Fuzzing “Property-based testing” refers to the idea of writing statements that should be true of your code...
over a year ago
7
over a year ago
“Property-based testing” refers to the idea of writing statements that should be true of your code (“properties”), and then using automated tooling to generate test inputs (typically, randomly-generated inputs of an appropriate type), and observe whether the properties hold for...
Birchtree
Apple’s 2024 report card: Apple Watch This is the fourth in a series of posts reviewing Apple’s 2024 across their major product lines. I...
a week ago
14
a week ago
This is the fourth in a series of posts reviewing Apple’s 2024 across their major product lines. I did this last year and you can read last year’s Apple Watch report card here. Series 10 It’s always fun when we get a new Apple
Christian Selig
More Efficient/Faster Average Color of Image Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of...
over a year ago
32
over a year ago
Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of why you might want this! Finding the average color of an image is a nice trick to have in your toolbelt for spicing up views. For instance on iOS, it’s used by Apple to make their...
Louwrentius
Migration from blogger to blogofile and disqus is complete As stated in my previous post, I migrated all posts from blogger.com to my own host running...
over a year ago
7
over a year ago
As stated in my previous post, I migrated all posts from blogger.com to my own host running blogofile. At the time of my previous post, I was not able to restore all comments made on my old blog. Thanks to some help from disqcus I fixed an error on my behalf and all old comments...
Louwrentius
'Linux: monitor a directory for files' Inotify is a mechanism in the Linux kernel that reports when a file system event occurs. The...
over a year ago
4
over a year ago
Inotify is a mechanism in the Linux kernel that reports when a file system event occurs. The inotifywait comand line utility can be used in shell scripts to monitor directories for new files. It can also be used to monitor files for changes. Inotifywait must be installed and is...
Arduino Blog
Arduino IDE 2.3.3: discover new support for shared spaces and more! We’re excited to announce that the Arduino IDE 2.3.3 is now live!  What’s in the new version This...
3 months ago
29
3 months ago
We’re excited to announce that the Arduino IDE 2.3.3 is now live!  What’s in the new version This new release is packed with improvements, including one feature we’re particularly proud of: support for shared spaces in Arduino Cloud. If you have a Cloud Business plan or School...
Style over Substance
My Home Assistant setup (2023 edition) For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
a year ago
120
a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
Louwrentius
Understanding Ceph: open-source scalable storage Introduction In this blog post I will try to explain why I believe Ceph is such an interesting...
over a year ago
2
over a year ago
Introduction In this blog post I will try to explain why I believe Ceph is such an interesting storage solution. After you finished reading this blog post you should have a good high-level overview of Ceph. I've written this blog post purely because I'm a storage enthusiast and I...
somenice
Painting of Russet Lake Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the...
4 months ago
41
4 months ago
Summer in Garibaldi Provincial Park, British Columbia, is a breathtaking experience, where the natural world is alive with vibrant colours and serene beauty. One of the most stunning scenes unfolds at Russet Lake, where the iconic Fissile Mountain is mirrored perfectly in the...
Engineers Need Art
Adam74 The Adam74 is a small ASCII-based terminal designed for the 8-bit hobbyist.
over a year ago
watchTowr Labs
Visionaries Have Democratised Remote Network Access - Citrix Virtual Apps and Desktops... Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive...
a month ago
8
a month ago
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive Artifact Generator). This time, it’s in Citrix’s “Virtual Apps and Desktops” offering. This is a tech stack that enables end-users (and likely, your friendly neighbourhood...
Jonas Hietala
Fun or Frustration? Ludum Dare 33 One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule,...
over a year ago
4
over a year ago
One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule, negotiated with my better half and everything is set up for epicness. At first the idea was to make a game in rust, even tough I basically haven’t used it in almost a year, but when I...
computers are bad
2023-06-30 calling in the alarm I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But...
a year ago
55
a year ago
I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But here's something short while I'm temporarily back in the warm embrace of 5G: more about burglar alarms. I recently gave a presentation on this topic and I'll probably record it for...
Louwrentius
I resurrected my Dutch movie review site from 2003 Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the...
over a year ago
5
over a year ago
Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
./techtipsy
I have a 'Dall UD19PB ThundeRbglt Dock': my experience with the HP Elitebook 845 G9 I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and...
over a year ago
50
over a year ago
I’ve decided to give a new laptop a test drive, mainly because I had the opportunity at work, and also out of morbid curiosity. It’s the HP Elitebook 845 G9, and it has pretty good specifications: CPU: AMD Ryzen 7 6800U RAM: 2x16GB DDR5 Storage: 512GB KIOXIA NVMe SSD...
Good Enough
Yes, Facebook Is Terrible, but Also… I’m not on Facebook. It was eight or ten years ago when I left for good. While there were some good...
a year ago
7
a year ago
I’m not on Facebook. It was eight or ten years ago when I left for good. While there were some good and useful interactions, the algorithm brought me down, I didn’t have a lot of desire to keep up with old acquaintances, and hearing everyone’s political stance was not good for...
Ken Shirriff's blog
Reverse engineering the barrel shifter circuit on the Intel 386 processor die The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit...
a year ago
7
a year ago
The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit architecture. The 386 also dramatically improved the performance of shift and rotate operations by adding a "barrel shifter", a circuit that can shift by multiple bits in one step. The...
Notes on software...
Static analysis with semgrep: practical examples using Docker In this post we'll get a basic semgrep environment set up in Docker running some custom rules...
over a year ago
7
over a year ago
In this post we'll get a basic semgrep environment set up in Docker running some custom rules against our code. Existing linters Linters like pylint for Python or eslint for JavaScript are great for general, broad language standards. But what about common nits in code review like...
Construction Physics
Will the China Cycle Come for Airbus and Boeing? Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
2 months ago
50
2 months ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Home on Erik...
Why conversion matters: a toy model There are often close relationships between top level business metrics. For instance, it's well...
over a year ago
7
over a year ago
There are often close relationships between top level business metrics. For instance, it's well known that retention has a super strong impact on the valuation of a subscription business. Or that the % of occupied seats is super important for an airline.
Applied Cartography
Buttondown Analytics 3.0 Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
11 months ago
6
11 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'. Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
latest projects -...
3D Model Viewer Improvements [Software] Unlocking the embedded gimbals
a year ago
Computer Ads from...
MicroTimes Interviews the Head Honchos of Silicon Graphics (1989) Ed McCracken and Jim Clark talk about their hardware and the future of 3D
7 months ago
computers are bad
2023-06-12 radio on the tv Like many people in my generation, my memories of youth are heavily defined by cable television. I...
a year ago
49
a year ago
Like many people in my generation, my memories of youth are heavily defined by cable television. I was fortunate enough to have a premium cable package in my childhood home, Comcast's early digital service based on Motorola equipment. It included a perk that fascinated me but...
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
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
a month ago
24
a month ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
Jonas Hietala
The ASIC pit of despair Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s...
over a year ago
7
over a year ago
Monero has once again changed the POW to brick ASICs following confirmation that 85% of Monero’s hashrate were ASICs. Recurring hard forks to brick ASICs is a very dangerous game and what better to illustrate this than with an xkcd-style plot? You’re safe on the edges but how do...
Electronics etc…
Tesla’s FSD - First and Last Impressions TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach...
7 months ago
115
7 months ago
TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach to Truckee (11 miles) Test Ride 2: I-80 from Truckee to Blue Canyon (36 miles) Test Ride 3: from West-Valley College to I-85 Entrance (1 mile) Conclusion Introduction In the past...
Arduino Blog
Using Arduino with gaming It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related...
2 months ago
23
2 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...
Louwrentius
Unattended automatic installation of Linux nvidia binary driver As part of an unattended installation, it was necessary to install a binary nvidia graphics driver....
over a year ago
4
over a year ago
As part of an unattended installation, it was necessary to install a binary nvidia graphics driver. This is a manual proces by default. However, it can be done fully automatic: prerequisite: install xserver-xorg-dev package or similar xorg development package. sh NVIDIA-.run -q...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
5
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL. While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
Louwrentius
Cannot access Windows guest within VMware Fusion when running vsphere client Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
6
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host. The trouble is that both ESXi...
Louwrentius
Performance monitoring using dstat I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is...
over a year ago
6
over a year ago
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is currently happening on your Linux box. Dstat allows you to monitor the system load, disk troughput, disk io, network bandwith, and many more items. Dstat is so valuable because it...
Jonas Hietala
A Week of Headache This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had...
over a year ago
6
over a year ago
This was supposed to be a productive week with lots and lots of Perl and Ada but instead I’ve had this big headache all week, and some the week before and it’s gotten pretty bad so I can’t really concentrate on anything really. The electronics assignment was a bitch and it took a...
Lighthouse Blog
New feature: RSS feed export
a month ago
watchTowr Labs
We Spent $20 To Achieve RCE And Accidentally Became The Admins Of .MOBI Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding...
4 months ago
7
4 months ago
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries. Summary What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly...
Lighthouse Blog
Deep dive into finding RSS feeds
a month ago
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh,...
2 months ago
53
2 months ago
I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh, big deal! It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box. It also ships with a fresh Linux kernel version1,...
Willem's Blog
Multi-Window support in your iPad app Take advantage of the improved support for multiple windows on iPadOS by implementing new UI...
over a year ago
6
over a year ago
Take advantage of the improved support for multiple windows on iPadOS by implementing new UI concepts enabling different use cases for your app.
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
over a year ago
Home on Erik...
It's called Berkson's paradox! As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
6
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox. Here's another example: Why Are Handsome Men Such Jerks?
Vitalik Buterin's...
[Mirror] Quadratic Arithmetic Programs: from Zero to Hero
over a year ago
Posts on Made of...
Dear Twitter: Stop screwing over your developers. I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online...
over a year ago
4
over a year ago
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online communities, and is a surprisingly effective way to spread news and information to lots of people online. One of the things that I’ve loved about Twitter is their API, and how open and...
Home on Erik...
About
over a year ago
Buck on Software
Model transitions: A framework for value creation And a quick and dirty look at SPLK, NTNX, and GWRE
over a year ago
Louwrentius
The iPhone, iPad and iOS are powering a revolution Most people just don't understand computers. Are these people dumb? Some may be dumb, but the people...
over a year ago
4
over a year ago
Most people just don't understand computers. Are these people dumb? Some may be dumb, but the people who make them are maybe even dumber. Because they can't seem to figure out how to create a computer that the majority of people understand. When the original macintosh arrived at...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
34
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Good Enough
How We Built Quack (Beta) We recently launched Quack, a simple utility for you to share a beautifully rendered version of any...
a year ago
4
a year ago
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any Markdown text. This software is completely front-end based, and for me personally it was a bit of a challenging puzzle to implement. Thankfully we have genius hackers like Arun...
./techtipsy
Zimaboard: the closest thing to my dream home server setup I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally...
a year ago
105
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally bought one. In short, Zimaboard is a small single-board computer that is relatively affordable and comes with an interesting selection of ports, which includes an exposed PCI...
Buck on Software
Crypto and Chasing the Dragon Marc and Ben’s midlife crisis and the Crypto Crusades
over a year ago
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Willem's Blog
Marathon Read the story of how it feels to complete your first marathon.
2 months ago
Home on Erik...
Business secrets from terrible people I get bored reading management books very easily and lately I've been reading about a wide range of...
over a year ago
4
over a year ago
I get bored reading management books very easily and lately I've been reading about a wide range of almost arbitrary topics. One of the lenses I tend to read through is to see different management styles in different environments.
Jonas Hietala
Fixing Problems Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a...
over a year ago
7
over a year ago
Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a nice thread with a great answer. I solved it by forcefully patching libflashplayer.so perl -pi.bak -e 's/libvdpau/lixvdpau/g' libflashplayer.so Worked perfectly! I fixed the...
Willem's Blog
Born with MCADD Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
7
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
Opsbros
Docker and CumulusMX I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a...
over a year ago
9
over a year ago
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a Docker container. Let's battle the elements together...
Louwrentius
Most Technical debt is just bullshit Introduction I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
6
over a year ago
Introduction I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to: cover up bad code cover up unfinished work source1 Calling...
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
59
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Home on Erik...
Optimizing things: everything is a proxy for a proxy for a proxy Say you build a machine learning model, like a movie recommender system. You need to optimize for...
over a year ago
4
over a year ago
Say you build a machine learning model, like a movie recommender system. You need to optimize for something. You have 1-5 stars as ratings so let's optimize for mean squared error. Great. Then let's say you build a new model.
Jonas Hietala
Postmortem: Jonas IceCream Stand Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it!...
over a year ago
4
over a year ago
Ah my latest game Jonas IceCream Stand is finished and up and running and I’m really proud of it! And thanks for the feedback guys, it’s always welcome. I spent almost exactly fifty hours on this game and that’s by far the most I’ve spent on a 7day project. To be honest it’s...
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
5 months ago
39
5 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Computer Ads from...
Sundial Systems' Relish The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
3 months ago
Louwrentius
Recovering a lost partition using gpart Even today people do not understand how important it is for the safety of your data to make backups....
over a year ago
6
over a year ago
Even today people do not understand how important it is for the safety of your data to make backups. I was asked to perform some data recovery on a hard drive of an old computer, which still contained important documents and photo's. The first thing I did was to make a disk image...
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
6
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
Home on Erik...
Simple sabotage for software CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
7
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...
Arduino Blog
It’s silver, it’s green, it’s the Batteryrunner! An Arduino-powered, fully custom electric car Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully...
a month ago
19
a month ago
Inventor Charly Bosch and his daughter Leonie have crafted something truly remarkable: a fully electric, Arduino-powered car that’s as innovative as it is sustainable. Called the Batteryrunner, this vehicle is designed with a focus on environmental impact, simplicity, and custom...
Notes on software...
Extending gosql to supporting LIMIT and OFFSET It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface...
over a year ago
7
over a year ago
It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface for data stored in S3. But one missing critical feature in gosql is LIMIT and OFFSET support. This post walks through the few key changes to gosql to support LIMIT and OFFSET. You...
Odds and Ends of...
Odds and Ends #48: The most important week of Labour government so far? Plus a British tech unicorn, a nuclear energy ticking time bomb and... New Zealand's weird...
2 weeks ago
Jonas Hietala
Establishing Habits with Habitica I have used Habitica the last 18 months to organize my habits and things I want to get done. I...
over a year ago
9
over a year ago
I have used Habitica the last 18 months to organize my habits and things I want to get done. I believe it all started with an amazing book called The Power of Habit which describes the amazing benefits habits can give, both in the context of your own life but also in business....
Jonas Hietala
Focusing Attention: Programming These last two weeks have been a small attempt at clearing up my head a bit. I have far too many...
over a year ago
4
over a year ago
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many things I’d like to do and even if it’s not possible to do them all at once it didn’t stop me from thinking of them. One minute it’s that and the other it’s something completely...
./techtipsy
Your Wi-Fi might be terrible because of Dynamic Frequency Selection (DFS) For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5...
2 months ago
42
2 months ago
For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5 GHz one would suddenly stop working and completely disappear from the available Wi-Fi networks. OpenWRT upgrades also didn’t improve the situation. This was very annoying. After...
Home on Erik...
There is no magic trick (Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make...
over a year ago
6
over a year ago
(Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make predictions, especially about the future”. Unfortunately predicting is hard, and unsurprisingly people look for the Magic Trick™ that can resolve all the uncertainty.
./techtipsy
The minimum viable fan control script I’ve always been a fan of tinkering with cooling setups on my computers. I’ve even went as far as...
over a year ago
48
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers. I’ve even went as far as writing crappy solutions to make up for deficiencies on the hardware level. After years of dumb experiments I’ve seen how little you can get away with in cooling and how to run your...
Good Enough
Why We're Writing Blog Software We’re seven months into our Cosmic Maelstrom and we have started writing blogging software. What the...
a year ago
6
a year ago
We’re seven months into our Cosmic Maelstrom and we have started writing blogging software. What the why?! First, let me say that, yes, I do realize there are probably 100s of blog software options out there. In terms of static-site generators (SSGs) alone, there are probably...
lcamtuf’s thing
Analog filters, part 2: let it ring A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
3 months ago
Nabeel S. Qureshi
The Serendipity Machine Notes on Using Twitter
11 months ago
Computer Ads from...
T/Maker: Tiny Software Company Takes on the Giants (Interview) An interesting look at a company with less than 20 employees playing with the big boys
2 months ago
Avestura's Blog
Problems of C, and how Zig addresses them What are the problems of C, and how Zig addresses them?
a year ago
Good Enough
Beware of Free Software Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
5
a year ago
Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it. And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Home on Erik...
3D Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the...
over a year ago
6
over a year ago
Andy Sloane decided to call my 2D visualization and raise it to 3D. (Looks a little weird in the iframe but check out the link). It's based on a LDA model with 200 topics, so the artists tend to stick to clusters where each cluster is a topic.
Simply Explained
ESP32 Cam: cropping images on device The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640...
over a year ago
7
over a year ago
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640 sensor has a max resolution of 1600x1200, but sometimes you don't need the entire image.In this post I'll show how to crop the images on the ESP32 itself, before sending it of to...
Home on Erik...
More recommender algorithms I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization...
over a year ago
7
over a year ago
I wanted to share some more insight into the algorithms we use at Spotify. One matrix factorization algorithm we have used for a while assumes that we have user vectors $$ bf{a}_u $$ and item vectors $$ bf{b}_i $$ .
Willem's Blog
iPad Pro next to my primary machine Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
Louwrentius
Don't be afraid of RAID Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of...
over a year ago
7
over a year ago
Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of your RAID array failing during a rebuild is almost a certainty, because hard drives have become so large. I think nothing is further from the truth and I would like to dispel this...
./techtipsy
I held a talk about my self-hosting adventure! There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
a year ago
63
a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about that in the future). The talk took place on May 25th 2023 at...
Lars Lofgren
My 7 Rules for A/B Testing That Triple Conversion Rates I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I...
over a year ago
7
over a year ago
I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I double or triple conversion rates without caring how a test performs? I actually care about the whole SYSTEM of testing. All the pieces need to fit together just right. If not,...
Notes on software...
Delightful, production-grade replication for Postgres This is an external post of mine. Click here if you are not redirected.
5 months ago
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
10 months ago
113
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes them hard to follow. I spent a good evening extracting the schematics pages, cutting-and-pasting them together...
Engineers Need Art
Same Stop Marvelling at the full circle life seems to have taken after retirement.
a year ago
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post If you are a paid subscriber, voting is open for one week
10 months ago
Jonas Hietala
IDA Summer of Code 2014: Summary This is a wrap-up post of my entry to IDA Summer of Code this year. Quick stats 65 merged...
over a year ago
6
over a year ago
This is a wrap-up post of my entry to IDA Summer of Code this year. Quick stats 65 merged commits 6790 lines added 2822 lines deleted 36 pull requests, 34 merged 12 pull requests directly fixing issues rest either documentation or cleanup 1 RFC submitted...
Neil Madden
The square roots of all evil Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
a month ago
10
a month ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
Vitalik Buterin's...
The roads not taken
over a year ago
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system Your service cannot process events fast enough during peak hours. There is no obvious quick and...
a year ago
77
a year ago
Your service cannot process events fast enough during peak hours. There is no obvious quick and dirty fix. Refactoring would take ages. People have been unhappy for a while now. What the hell do you do? Background I had the pleasure of working with a legacy backend system...
Vitalik Buterin's...
Zmowa
over a year ago
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Matt Mullenweg
WPAI Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some...
a month ago
9
a month ago
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some very cool products including CodeWP, AgentWP, and WP.chat.
Posts on Made of...
Some musings on ORMs I’m pretty sure every developer who has ever worked with a modern database-backed application,...
over a year ago
6
over a year ago
I’m pretty sure every developer who has ever worked with a modern database-backed application, particularly a web-app, has a love/hate relationship with their ORM, or object-relational mapper. On the one hand, ORMs are vastly more pleasant to work with than code that constructs...
Applied Cartography
Notes on ActivityPub By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
7
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is. Something that gives distinctly bad...
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
7
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Old Vintage...
Cracking DesignWare's The Grammar Examiner on the C64 It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This...
a year ago
71
a year ago
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This weekend I had a reason to. The Grammar Examiner from 1984, something like a mashup between a board game and Strunk and White's Elements of Style, where you get to edit a fictional...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
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...
10 months ago
5
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version. I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things. Web page I started...
Louwrentius
'Gzip with parallel compression support: pigz' The speed at which files are compressed with gzip is currently almost always determined by the speed...
over a year ago
5
over a year ago
The speed at which files are compressed with gzip is currently almost always determined by the speed of the CPU. However, standard unix gzip is single- threaded and only uses a single CPU (core). However, the maintainer of the zlib library has released 'pigz' or 'pig-zee' whichs...
Willem's Blog
One year of cycling GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
Jonas Hietala
Why is my file so huge? My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
5
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file. It was 14,6mb!! Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
computers are bad
2024-09-08 private lines I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs)....
4 months ago
41
4 months ago
I have been meaning, for some time, to write about common carrier switching arrangements (CCSAs). These could be considered an early form of products like "virtual private ethernet:" a private telephone network that was served by the same switching machines that handled the...
Home on Erik...
Being data driven I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long...
over a year ago
7
over a year ago
I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long interview with U.S. General Stanley McChrystal and I thought it was pretty interesting how striking some of the similarities are between fighting in a war and developing software.
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
12 months ago
4
12 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Jonas Hietala
Resurrection Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not...
over a year ago
4
over a year ago
Aah what a nice summer! It was nice to be back in Övertorneå, doing nothing in particular. Just not having to make lunch and dinner every day is such a relief, and if you do slip up food with grandma or Veronica’s parents is only a phone call away. I watched TV, played...
latest projects -...
Portable Probability Panel [Misc] Laser-cut Galton board
5 months ago
Vitalik Buterin's...
Situazioni di collusione
over a year ago
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
4
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Lighthouse Blog
A primer on view management
7 months ago
Birchtree
Squashing links on social media Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are...
a month ago
15
a month ago
Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are deeply dangerous. If anyone on Instagram can just link to any old store on the web, how can Instagram — meaning Facebook, Instagram’s increasingly-overbearing owner — tightly
Ken Shirriff's blog
Inside the guidance system and computer of the Minuteman III nuclear missile The Minuteman missile was introduced in 1962 as a key part of America's nuclear deterrent. The...
4 months ago
8
4 months ago
The Minuteman missile was introduced in 1962 as a key part of America's nuclear deterrent. The Minuteman III missile is currently the only US land-based intercontinental ballistic missile (ICBM), with 400 missiles ready for launch, spread across five central states.1 The missile...
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
4
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed. So I googled around and found this post...
On Life and Lisp
Conformant OpenGL 4.6 on the M1 For years, the M1 has only supported OpenGL 4.1. That changes today – with our release of full...
11 months ago
31
11 months ago
For years, the M1 has only supported OpenGL 4.1. That changes today – with our release of full OpenGL® 4.6 and OpenGL® ES 3.2! Install Fedora for the latest M1/M2-series drivers. Already installed? Just dnf –refresh upgrade. Unlike the vendor’s non-conformant 4.1 drivers, our...
Willem's Blog
Monolithic vs Microservices software architecture This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn...
over a year ago
6
over a year ago
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn about choosing the right architecture for your app development
Willem's Blog
One year on the ultimate commuter bike Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike...
over a year ago
7
over a year ago
Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike after one year of extensive use through winter and summer.
Louwrentius
Determining smartphone market share using wireless sniffing I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most...
over a year ago
6
over a year ago
I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most smartphones support wifi and most people don't bother disabling wifi when they go outdoors1. If wifi is left on, it is possible to detect these smartphones and track their movement. To...
Jonas Hietala
The Coinparty hackathon, take two In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
4
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
Home on Erik...
I believe in the 10x engineer, but... The easiest way to be a 10x engineer is to make 10 other engineers 2x more efficient. Someone can be...
over a year ago
6
over a year ago
The easiest way to be a 10x engineer is to make 10 other engineers 2x more efficient. Someone can be a 10x engineer if they do nothing for 364 days then convinces the team to change programming language to a 2x more productive language.
Ken Shirriff's blog
Pi in the Pentium: reverse-engineering the constants in its floating-point unit Intel released the powerful Pentium processor in 1993, establishing a long-running brand of...
5 days ago
29
5 days ago
Intel released the powerful Pentium processor in 1993, establishing a long-running brand of high-performance processors.1 The Pentium includes a floating-point unit that can rapidly compute functions such as sines, cosines, logarithms, and exponentials. But how does the Pentium...
Computer Ads from...
Plus Post: Objects, Inc's Layout Build Programs Without Programming
11 months ago
OH8HUB’s Substack
Eliminating Radio Interference from Apple charger Apple's product design teams should do a better job eliminating unwanted radio frequency emissions...
a year ago
Applied Cartography
Git one-liner: get the earliest commit from X hours ago I wanted to get a commit that was temporally some distance back as part of my experimentation with...
7 months ago
6
7 months ago
I wanted to get a commit that was temporally some distance back as part of my experimentation with git cliff. This took some time to do, but here's what I ended up with: git log --since="72 hours ago" --until="now" --reverse --pretty=format:"%h" | head -1 Nothing particularly...
watchTowr Labs
Check Point - Wrong Check Point (CVE-2024-24919) Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
7 months ago
4
7 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze. Check Point, for those unaware, is the vendor responsible for...
On Life and Lisp
The Federation Fallacy Throughout the free software community, an unbridled aura of justified mistrust fills the air:...
over a year ago
12
over a year ago
Throughout the free software community, an unbridled aura of justified mistrust fills the air: mistrust of large corporations, mistrust of governments, and of course, mistrust of proprietary software. Each mistrust is connected by a critical thread: centralisation. Thus,...
Gwern.net Newsletter
February 2021 Gwern.net Newsletter links on AI scaling, semaglutide, and ethicist ethics
over a year ago
Jonas Hietala
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
over a year ago
4
over a year ago
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years...
10 months ago
4
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years since the web version was done, and 3 since the physical copy was available… Which can hardly be called a success. Things happened, so let’s do a quick retrospective to, maybe, learn...
Jonas Hietala
I Made It! It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
6
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
Jonas Hietala
Changes A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but...
over a year ago
7
over a year ago
A lot has been going on lately and it feels like I’m being swamped. I can’t complain too much but there are things I’d like to change after the exam period this week. Program more! nothing since christmas or someting. I need to finish: Ada project for school. Can’t believe I...
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
a year ago
5
a year ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Notes on software...
Notes on running Electron This is an external post of mine. Click here if you are not redirected.
over a year ago
latest projects -...
Light comms on the 003 [Hardware] Tiny terrahertz transmissions
5 months ago
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
4
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Yazin Alirhayim
Tracking where a WhatsApp user came from At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
7
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”. A problem we faced really early on when connecting to WhatsApp was that...
Jonas Hietala
First impressions of Pollen After having consumed Practical Typography I took a look at the library he wrote to create books for...
over a year ago
5
over a year ago
After having consumed Practical Typography I took a look at the library he wrote to create books for the web called Pollen written in Racket. I’ve only used it a little but I feel I can give my first impressions of it. What I like The first thing I really like is Pollen enables...
Louwrentius
Improving iSCSI Native Multi Pathing Round Robin performance 10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must...
over a year ago
7
over a year ago
10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must also upgrade your network hardware as well. You may even need to replace existing fiber optic cabling if it's not rated for 10 Gbit. So I decided to still just go for plain old 1...
Home on Erik...
Running Theano on EC2 Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning...
over a year ago
6
over a year ago
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), and compiles it down into bytecode to run...
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 3: pressure transducers MathJax = { tex: { inlineMath: [['$', '$'], ['\\(', '\\)']] }, svg: { fontCache:...
11 months ago
6
11 months ago
MathJax = { tex: { inlineMath: [['$', '$'], ['\\(', '\\)']] }, svg: { fontCache: 'global' }, chtml: { displayAlign: 'left' } }; MathJax.Hub.Config({ "HTML-CSS": { scale: 175} }); .MathJax {font-size: 1em !important} The Bendix Central Air...
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Applied Cartography
MD5-based uniqueness constraints in Django Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental...
4 months ago
7
4 months ago
Yesterday, I was trying to set a unique constraint for comments in Buttondown to prevent accidental double-commenting, and I ran into a problem that I hadn't seen before: index row size 2816 exceeds btree version 4 maximum 2704 for index...
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
4
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Jonas Hietala
An Epic Start Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
7
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Good Enough
Cosmic Maelstrom As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's...
a year ago
4
a year ago
As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's weird to be in this situation. Most of the Good Enough team are used to working on just one software at a time, focusing on steadily improving it. But right now we're doing the...
Posts on Made of...
Property Testing Like AFL In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
4
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Gwern.net Newsletter
May 2021 Gwern.net Newsletter links on AI hardware, diffusion models, optogenetics, brain scanning.
over a year ago
Willem's Blog
Do amazing things with a focused mind Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
over a year ago
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...
8 months ago
95
8 months 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...
Lighthouse Blog
Updates September 30: UI/UX
3 months ago
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Home on Erik...
Why I went into the mortgage industry I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
2
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
2 months ago
39
2 months ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Jonas Hietala
Site restyle and update I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s...
over a year ago
7
over a year ago
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s Practical Typography. It’s free and there’s a section Typography in ten minutes if you want the important bits. He makes a pretty good case for why it matters when he points out the...
Notes on software...
Be someone who does things I wrote last month that what you want to do is one of the most useful motivations in life. I want to...
3 months ago
7
3 months ago
I wrote last month that what you want to do is one of the most useful motivations in life. I want to follow that up by saying that the only thing more important than wanting to do something is to actually do something. The most valuable trait you can develop for yourself is to...
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently Ok, so I have to first preface this whole blog post by a few things: I really struggle with the...
over a year ago
5
over a year ago
Ok, so I have to first preface this whole blog post by a few things: I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Birchtree
All the games I played in 2024, reviewed I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies...
3 weeks ago
32
3 weeks ago
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies of the year post with something similar for games. I’m not going to rank these, but I’ll give a few words on each one
Louwrentius
ZFS on Linux: monitor cache hit ratio I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust...
over a year ago
4
over a year ago
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust the numbers I got, I wanted to know how many of the IOPs I got were due to cache hits rather than disk hits. This is why I wrote a small shell script called archhitratio. Sample...
Computer Ads from...
NCR PC4i Growing with your needs
2 weeks ago
Vitalik Buterin's...
收入-邪恶曲线:思考“公共物品融资优先”的另一种方式
over a year ago
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration! Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
43
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Jonas Hietala
Postmortem: A Geek Valentine Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little...
over a year ago
6
over a year ago
Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little programming urge again… This time it’s not Haskell or a new experimental game that’s luring me on, no this time it’s me longing to create this fantastic awesome epic RTS game. Sadly it’s a...
Jonas Hietala
Offset coordinates in Krita with Xinerama I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want...
over a year ago
7
over a year ago
I recently bought an Intuos Manga drawing tablet recently, because I got this fix idea that I want to learn how to draw. And what better way to do it than with a drawing tablet, while satisfying my need for new things? With little experience I boldly set forth and I found a...
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
4
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server. Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS IMPORTANT! (update January 2013) I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Jonas Hietala
Ludum Dare 20 Timelapse So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I...
over a year ago
4
over a year ago
So this time I managed to compose a timelapse of my weekend and the making of My Minions. Sadly I lost the first few hours as I forgot to turn it on… Anyway here’s the result: https://www.youtube.com/watch?v=ABVPlRaA5iI
Jonas Hietala
I'm writing a book: Why Cryptocurrencies? I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I...
over a year ago
7
over a year ago
I decided to write a book. It’s called “Why Cryptocurrencies?” and I will be uploading chapters as I complete them. It’s available to read online for free. I’ve only uploaded the introductory parts but I’ve got a bunch more planned. Why write a book you ask? Well, why not? I...
Good Enough
TIL: Blocking Password App Autocomplete on Form Fields I wanted to disable password managers, particularly 1Password, from interacting with a username...
a year ago
7
a year ago
I wanted to disable password managers, particularly 1Password, from interacting with a username field in Contact Me. It was pretty simple in the end: <%= form.text_field :username, "data-lpignore": true, "data-1p-ignore": true %> Reference: 1Password, Lastpass.
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
detreville
The IBM 701 "IBM's first computer"
a year ago
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
54
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
Home on Erik...
The eigenvector of "Why we moved from language X to language Y" I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I...
over a year ago
6
over a year ago
I was reading yet another blog post titled “Why our team moved from <language X> to <language Y>” (I forgot which one) and I started wondering if you can generalize it a bit. Is it possible to generate a N * N contingency table of moving from language X to language Y?
Birchtree
The day Birchtree grew up Today's a symbolically big day for Birchtree! After doing this site and its many offshoot projects...
3 days ago
11
3 days ago
Today's a symbolically big day for Birchtree! After doing this site and its many offshoot projects since 2010, I finally put a ring on it and registered Birchtree Productions LLC. 🎉 For you, this means basically nothing at all. Footers might be updated and I might invest in
Vitalik Buterin's...
The end of my childhood
11 months ago
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
4
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Notes on software...
My favorite software subreddits Originally published on December 5, 2021. If you are an experienced software developer whose only...
a year ago
8
a year ago
Originally published on December 5, 2021. If you are an experienced software developer whose only exposure to reddit is dank memes, proggit or even language-specific subreddits like /r/python, you're missing out. What follows are my favorite subreddits in tech. My criteria is...
computers are bad
2023-02-13 my homelab I have always found the term "homelab" a little confusing. It's a bit like the residential version...
a year ago
62
a year ago
I have always found the term "homelab" a little confusing. It's a bit like the residential version of "on-premises cloud," in that it seems to presuppose that a lab is the normal place that you find computer equipment. Of course I get that "homelab" is usually used by those who...
Louwrentius
1.0 GB/s using Linux software RAID I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I...
over a year ago
6
over a year ago
I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I immediately performed some initial tests with software RAID 0. The results are just astounding. debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000 50000+0 records in 50000+0...
Jonas Hietala
Monaco What's Yours is Mine I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was...
over a year ago
6
over a year ago
I’ve been waiting for soon to be three years for Monaco What’s Yours is Mine, and today I was granted an early christmas present - I was given a beta key! w00p!! I was planning on studying and sending some emails to some companies… But who knows what I’ll end up doing? Tomorrow...
Christian Selig
Recreating Apple's beautiful visionOS search bar Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
79
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
lcamtuf’s thing
How do wood finishes hold up? A quick 18-month experiment to shed light on traditional woodworking lore.
4 months ago
Louwrentius
Compiling Handbrake CLI on Debian Lenny In this post I will show you how to compile Handbrake for Debian Lenny. Please note that although...
over a year ago
2
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please note that although the Handbrake GUI version does compile on Lenny, it crashes with a segmentation fault like this: Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5 and height...
Buck on Software
The Wrong Bet The next decade in SaaS won't look like the last
over a year ago
computers are bad
2023-11-19 Centrex I have always been fascinated by the PABX - the private automatic branch exchange, often shortened...
a year ago
80
a year ago
I have always been fascinated by the PABX - the private automatic branch exchange, often shortened to "PBX" in today's world where the "automatic" is implied. (Relatively) modern small and medium business PABXs of the type I like to collect are largely solid-state devices that...
Matt Blewitt
Thoughts on User Safety We need to move beyond mere security and towards safety for our customers and our users. This is how...
over a year ago
6
over a year ago
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
Willem's Blog
Half Marathon Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness -...
9 months ago
6
9 months ago
Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness - read about my experiences!
GitButler
GitButler for Windows The GitButler client is now available natively on Windows.
9 months ago
Lighthouse Blog
Updates November 10
a year ago
Posts on Made of...
wpa_supplicant: GUI and wpa_action I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on...
over a year ago
7
over a year ago
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on the subject. (Actually, I pretty much made both of them while reading documentation in order to write it, and have been lame about writing them up). Using wpa_gui It turns out that...
lcamtuf’s thing
Weekend projects: getting silly with C C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
6 months ago
Odds and Ends of...
Nobody knows what the National Data Library is (not even the government) A policy wrapped in a mystery inside an enigma
2 months ago
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33... The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
4 months ago
25
4 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
Home on Erik...
Nearest neighbors and vector models – epilogue – curse of dimensionality This is another post based on my talk at NYC Machine Learning. The previous two parts covered most...
over a year ago
5
over a year ago
This is another post based on my talk at NYC Machine Learning. The previous two parts covered most of the interesting parts, but there are still some topics left to be discussed. To go back and read the meaty stuff, check out