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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
22
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...
Willem's Blog
Solo around the Markermeer (211KM) This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
19
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
Birchtree
Starship is a late contender for favorite new things in 2024 I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the...
8 months ago
42
8 months ago
I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the cartridge all these years later, but it's not as big a part of my childhood as Ocarina of Time was. That said, the Ocarina
lcamtuf’s thing
RAM: the forgotten history We owe computers not to Charles Babbage, but to the invention of electronically-controlled working...
10 months ago
36
10 months ago
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
Arduino Blog
Self-leveling workbench can travel without trouble An actually level workbench is critical for many different jobs, such as pouring resin or...
a year ago
67
a year ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
a year ago
78
a year ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Ian's Blog
Having a Website Used to Be Fun According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
10 months ago
37
10 months ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
a year ago
157
a year 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...
Abort Retry Fail
Housekeeping for 20240309 Super quick updates
a year ago
Odds and Ends of...
What Tony Blair actually said about fossil fuels Plus how Abundance won World War II
3 months ago
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more The traditional backyard chicken coop is a very simple structure that typically consists of a...
a year ago
106
a year ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
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
21
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...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise Ambitious companies form management teams at every level above you, sometimes including you....
over a year ago
20
over a year ago
Ambitious companies form management teams at every level above you, sometimes including you. Management teams meet periodically and have private chat rooms. They discuss customers, product and organizational direction. Sometimes discussions are well documented and...
Notes on software...
Writing a SQL database, take two: Zig and RocksDB For my second project while learning Zig, I decided to port an old, minimal SQL database project...
over a year ago
22
over a year ago
For my second project while learning Zig, I decided to port an old, minimal SQL database project from Go to Zig. In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than my usual), we'll create a basic embedded SQL database in Zig on top of RocksDB. Other than the...
Jonas Hietala
Monty Hall I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they...
over a year ago
16
over a year ago
I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they discussed the famous Monty Hall Problem. I’ve heard about it before and I know the answer, but he mentioned a simulation of the problem and that sounded cool so I made a simulation of...
Posts on Made of...
Some opinionated thoughts on SQL databases People who work with me tend to realize that I have Opinions about databases, and SQL databases in...
over a year ago
21
over a year ago
People who work with me tend to realize that I have Opinions about databases, and SQL databases in particular. Last week, I wrote about a Postgres debugging story and tweeted about AWS’ policy ban on internal use of SQL databases, and had occasion to discuss and debate some of...
csvbase blog
My favourite API is a zipfile on the European Central Bank's website Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Neil Madden
Regular JSON For better or worse, depending on your perspective, JSON has become a dominant data format and shows...
over a year ago
23
over a year ago
For better or worse, depending on your perspective, JSON has become a dominant data format and shows no signs of being replaced any time soon. There are good reasons for that: on the face of it, it provides a very simple format with just enough features to cover a lot of...
Home on Erik...
statself.com Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
29
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Jonas Hietala
Embedding youtube videos with Hakyll A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
21
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll. I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Lighthouse Blog
A primer on view management
a year ago
Electronics etc…
HP Laptop 17 RAM Upgrade Introduction Selecting the RAM Opening up Replacing the RAM Reassembly References Introduction I do...
5 months ago
52
5 months ago
Introduction Selecting the RAM Opening up Replacing the RAM Reassembly References Introduction I do virtually all of my hobby and home computing on Linux and MacOS. The MacOS stuff on a laptop and almost all Linux work a desktop PC. The desktop PC has Windows on it installed as...
./techtipsy
Recovering a password-protected ThinkPad T60 A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use by a family member...
over a year ago
63
over a year ago
A couple of years ago, I worked on a ThinkPad T60. That ThinkPad had been in use by a family member before that, and I started its cleanup by disassembling the whole machine and making sure that it was pristine. However, once I put it all back together, I saw that it was password...
Abishek Muthian
Auto suspend and resume KVM Virtual Machine with the host When the host machine is suspended while the KVM through QEMU is running lead to issues like display...
over a year ago
14
over a year ago
When the host machine is suspended while the KVM through QEMU is running lead to issues like display unable to wake up when resuming suspend. Suspending and resuming the Virtual Machine when the host machine is suspended using hooks in systemd and resumed fixes this...
Old Vintage...
A real PowerBook: the Macintosh Application Environment on a PA-RISC laptop I like the Power ISA very much, but there's nothing architecturally obvious to say that the next...
3 weeks ago
27
3 weeks ago
I like the Power ISA very much, but there's nothing architecturally obvious to say that the next natural step from the Motorola 68000 family must be to PowerPC. For example, the Palm OS moved from the DragonBall to ARM, and it's not necessarily a well-known fact that the...
heavymeta.org
Revisiting LLM Geolocation Two Years Later In 2023 Bellingcat published “Can AI Chatbots Be Used for Geolocation?”. In that article, they...
5 months ago
18
5 months ago
In 2023 Bellingcat published “Can AI Chatbots Be Used for Geolocation?”. In that article, they examine the ability of LLMs to geolocate photos. They gave Microsoft Bing and Google Bard three photos of locations in Canada: the Edmonton City Hall Churchill Square, also in...
Applied Cartography
January, 2025 Hello, 2025! (As always, Death Cab remains the soundtrack by which you should read this.) Headlining...
7 months ago
63
7 months ago
Hello, 2025! (As always, Death Cab remains the soundtrack by which you should read this.) Headlining this month was my annual review; everything else is flotsam. But, speaking of flotsam: A quick development note on the order attribute in CSS Notes on Linear and Fathom Why...
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
94
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Old Vintage...
Ward Christensen dies There was initially some issue verifying this, but there appears to be direct confirmation now that...
10 months ago
17
10 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
Arduino Blog
See how this homemade spectrometer analyzes substances with an Arduino Mega Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic...
8 months ago
65
8 months ago
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic spectrum that can give valuable information about their chemical or physical compositions. Traditional setups use a single lamp to emit white light before it is split apart into a...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
a year ago
26
a year ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the success of the x86 architecture. The designers of the IBM PC selected...
Vitalik Buterin's...
What do I think about network states?
over a year ago
anderegg.ca
An update on Mastodon and referer headers Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys...
8 months ago
51
8 months ago
Earlier this year, I looked into why Mastodon didn’t include referer headers. As someone who enjoys following web analytics, it seemed a shame that Mastodon appeared never to send any traffic. I knew this wasn’t the case, but that lack of traffic data certainly wasn’t doing...
Bryan Braun - Blog
Why we prefer computers over consoles when introducing kids to gaming I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing...
a year ago
24
a year ago
I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing games with my brothers on those devices. But as my own kids have gotten older, my wife and I have decided to first introduce them to gaming with computers, instead of consoles. The...
Abishek Muthian
Fixing bluetooth issues on Raspberry Pi I had trouble pairing Colmi P8 watch with Raspberry Pi 3B running Arch Linux via bluetooth and I had...
over a year ago
14
over a year ago
I had trouble pairing Colmi P8 watch with Raspberry Pi 3B running Arch Linux via bluetooth and I had to resort to following actions to resolve it. If you are facing bluetooth issues with newer Raspberry Pi, these fixes may work but I haven't tested them for newer RPi. Do Nothing...
Vitalik Buterin's...
How will Ethereum's multi-client philosophy interact with ZK-EVMs?
over a year ago
Posts on Made of...
reptyr: Changing a process's controlling terminal reptyr (announced recently on this blog) takes a process that is currently running in one terminal,...
over a year ago
20
over a year ago
reptyr (announced recently on this blog) takes a process that is currently running in one terminal, and transplants it to a new terminal. reptyr comes from a proud family of similar hacks, and works in the same basic way: We use ptrace(2) to attach to a target process and force...
Notes on software...
Finding memory leaks in Postgres C code This is an external post of mine. Click here if you are not redirected.
a year ago
Jorge Arango
Traction Heroes Ep. 6: Chesterton’s Fence In Episode 6 of the Traction Heroes podcast, Harry and I explored Chesterton’s fence — a simple yet...
5 months ago
44
5 months ago
In Episode 6 of the Traction Heroes podcast, Harry and I explored Chesterton’s fence — a simple yet profound idea that has important implications for leaders navigating complex, high-stakes changes. The gist: when change is needed, don’t start by destroying what you don’t...
Birchtree
Another study on LLM energy use This study was linked to by The Verge today, and as someone who keeps looking at the energy costs of...
6 months ago
48
6 months ago
This study was linked to by The Verge today, and as someone who keeps looking at the energy costs of AI wondering why he’s missing something, one of the opening lines in the study’s executive summary really caught my eye: Electricity consumption from data centres, artificial
Neil Madden
SipHash-based encryption for constrained devices I see a lot of attempts to define encryption schemes for constrained devices with short...
a year ago
33
a year ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Abishek Muthian
Products Hi I'm Abishek Muthian, an indie, I write code to solve problems in health and build tools for...
8 months ago
19
8 months ago
Hi I'm Abishek Muthian, an indie, I write code to solve problems in health and build tools for indies to create sustainable income. Bone Health Tracker Track your bone health, Monitor the progress of your treatments. needgap Validate your problems, startup ideas to create...
Jorge Arango
Humanities Crash Course: Week 3 I’m undertaking a year-long crash course in the humanities. These are my notes for week 3. Following...
7 months ago
73
7 months ago
I’m undertaking a year-long crash course in the humanities. These are my notes for week 3. Following Ted Gioia’s curriculum, this week I read the remainder of the Odyssey. On the audiovisual front, I watched a movie that made me think differently about the poem’s...
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
8 months ago
36
8 months ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Jonas Hietala
A small LED Cube As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I...
over a year ago
24
over a year ago
As a follow up of my hobby project goals this autumn I have now completed the smallest goal there. I got started a little with soldering by constructing a small 3x3x3 LED cube. Although extremely hard to see in this picture it actually worked without a hitch! It’s not the...
Birchtree
I'm Sick, I Have a Sickness Niléane has entered her keyboard era, Chris has a consumer warning as well as a really good...
5 months ago
31
5 months ago
Niléane has entered her keyboard era, Chris has a consumer warning as well as a really good macropad, and then we find the best games on the Mac. Weekly Topics Logitech MX Keys Mini Volt Plus+ numberpad (but probably don’t buy it) BNK8 macropad Stream Deck
Computer Ads from...
Plus Post: Objects, Inc's Layout Build Programs Without Programming
a year ago
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
11 months ago
18
11 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
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
100
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...