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I developed seasonal allergies relatively late in life. From my late twenties onward, I spent many miserable days in the throes of sneezing, headache, and runny eyes. I tried everything the doctors recommended for relief. About a million different types of medicine, several bouts of allergy vaccinations, and endless testing. But never once did an allergy doctor ask the basic question: What kind of air are you breathing? Turns out that's everything when you're allergic to pollen, grass, and dust mites! The air. That's what's carrying all this particulate matter, so if your idea of proper ventilation is merely to open a window, you're inviting in your nasal assailants. No wonder my symptoms kept escalating. For me, the answer was simply to stop breathing air full of everything I'm allergic to while working, sleeping, and generally just being inside. And the way to do that was to clean the air of all those allergens with air purifiers running HEPA-grade filters. That's it. That was the...
3 months ago

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More from David Heinemeier Hansson

The parental dead end of consent morality

Consent morality is the idea that there are no higher values or virtues than allowing consenting adults to do whatever they please. As long as they're not hurting anyone, it's all good, and whoever might have a problem with that is by definition a bigot.  This was the overriding morality I picked up as a child of the 90s. From TV, movies, music, and popular culture. Fly your freak! Whatever feels right is right! It doesn't seem like much has changed since then. What a moral dead end. I first heard the term consent morality as part of Louise Perry's critique of the sexual revolution. That in the context of hook-up culture, situationships, and falling birthrates, we have to wrestle with the fact that the sexual revolution — and it's insistence that, say, a sky-high body count mustn't be taboo — has led society to screwy dating market in the internet age that few people are actually happy with. But the application of consent morality that I actually find even more troubling is towards parenthood. As is widely acknowledged now, we're in a bit of a birthrate crisis all over the world. And I think consent morality can help explain part of it. I was reminded of this when I posted a cute video of a young girl so over-the-moon excited for her dad getting off work to argue that you'd be crazy to trade that for some nebulous concept of "personal freedom". Predictably, consent morality immediately appeared in the comments: Some people just don't want children and that's TOTALLY OKAY and you're actually bad for suggesting they should! No. It's the role of a well-functioning culture to guide people towards The Good Life. Not force, but guide. Nobody wants to be convinced by the morality police at the pointy end of a bayonet, but giving up on the whole idea of objective higher values and virtues is a nihilistic and cowardly alternative. Humans are deeply mimetic creatures. It's imperative that we celebrate what's good, true, and beautiful, such that these ideals become collective markers for morality. Such that they guide behavior. I don't think we've done a good job at doing that with parenthood in the last thirty-plus years. In fact, I'd argue we've done just about everything to undermine the cultural appeal of the simple yet divine satisfaction of child rearing (and by extension maligned the square family unit with mom, dad, and a few kids). Partly out of a coordinated campaign against the family unit as some sort of trad (possibly fascist!) identity marker in a long-waged culture war, but perhaps just as much out of the banal denigration of how boring and limiting it must be to carry such simple burdens as being a father or a mother in modern society. It's no wonder that if you incessantly focus on how expensive it is, how little sleep you get, how terrifying the responsibility is, and how much stress is involved with parenthood that it doesn't seem all that appealing! This is where Jordan Peterson does his best work. In advocating for the deeper meaning of embracing burden and responsibility. In diagnosing that much of our modern malaise does not come from carrying too much, but from carrying too little. That a myopic focus on personal freedom — the nights out, the "me time", the money saved — is a spiritual mirage: You think you want the paradise of nothing ever being asked of you, but it turns out to be the hell of nobody ever needing you. Whatever the cause, I think part of the cure is for our culture to reembrace the virtue and the value of parenthood without reservation. To stop centering the margins and their pathologies. To start centering the overwhelming middle where most people make for good parents, and will come to see that role as the most meaningful part they've played in their time on this planet. But this requires giving up on consent morality as the only way to find our path to The Good Life. It involves taking a moral stance that some ways of living are better than other ways of living for the broad many. That parenthood is good, that we need more children both for the literal survival of civilization, but also for the collective motivation to guard against the bad, the false, and the ugly. There's more to life than what you feel like doing in the moment. The worst thing in the world is not to have others ask more of you. Giving up on the total freedom of the unmoored life is a small price to pay for finding the deeper meaning in a tethered relationship with continuing a bloodline that's been drawn for hundreds of thousands of years before it came to you. You're never going to be "ready" before you take the leap. If you keep waiting, you'll wait until the window has closed, and all you see is regret. Summon a bit of bravery, don't overthink it, and do your part for the future of the world. It's 2.1 or bust, baby!

3 days ago 4 votes
Self-driving is finally happening

I still remember how the car industry got all excited back in 2017 about how steering wheels would soon be obsolete. Every concept car then was a living room on wheels, seats facing inwards. The self-driving revolution was imminent, they said. Well, it wasn't... but now it actually is! Humans have a hard time with scenarios like this. If you promise them the moon in eight months, but don't end up delivering until eight years later, most will justifiably be skeptical that it's actually here — even in the face of gushing anecdotes and video evidence. That's the problem with delayed promises. So when Jason told me Tesla's self-driving tech was finally ready and real, I was indeed skeptical. I tried FSD as late as last year, and I didn't enjoy it much. Impressive in many ways, but too jerky. Too many interventions. How much could it really have improved in nine months or so? A lot, it turns out. We started the drive from Jason's house, and I watched him not once touch the pedals or steering wheel while we drove half an hour to the other end of town. Then repeated the feat on the way back. But that wasn't even the most impressive part. What really blew my mind was how dramatically better the fluidity of driving with FSD has become. His new Model Y anticipated the red light with the manners of a drives-for-the-queen-level chauffeur. And the way it knew exactly how to slow down to prevent a jerky movement when taking an incline into an elevated parking lot? Sublime. Elon, that son of a bitch, seems to have done it again! Proven everyone wrong. Proven me wrong. The self-driving dream has flipped from vaporware to credible near-term reality. All without LiDAR. AI really delivering on this one.

5 days ago 8 votes
Omarchy is out

My latest love letter to Linux has been published. It's called Omarchy, and it's an opinionated setup of the Arch Linux distribution and the Hyprland tiling window manager. With everything configured out-of-the-box to give you exactly the same setup that I now run every day. My Platonic ideal of what a developer environment should look like. It's not for everyone, though. Arch has a reputation for being difficult, but while I think that's vastly overstated, I still think it's fair to say that Ubuntu is an easier landing for someone new to Linux. And that's why this exists as a sister project to Omakub — my opinionated setup for Ubuntu — and not a replacement of it. Because I do think that Hyprland deserves its reputation of being difficult! Not because the core tiling window manager is hard, but because it comes incredibly bare-boned in the box. You have to figure out everything yourself. Even how to get a lock screen or idle timing or a menu bar or bluetooth setting or... you get the idea. Omarchy is an attempt to solve for all that. To give you a default set of great, beautiful configurations for Hyprland, and installing all the common tooling you'd normally want. You could setup this, not change a thing, and you'll have exactly what I run every day. But you can also just use this as a paved path into the glorious world of Linux ricing. The flip side of Hyprland being so atomized is that it's infinitely configurable. You can really, really make it yours. No wonder its the preferred platform for r/unixporn, and even what PewDiePie picked up for his amazing Russian nuclear core build. I don't know when we'll literally get "The Year of Linux on the Desktop", but I've never been as convinced that its coming as I am now. There's enough dissent in the water. Enough dissatisfaction with both Apple and Microsoft.  And between Valve going all-in on Steam on Linux (the Steamdeck runs Arch!), major creators (like PewDiePie) switching to Linux, and incredible projects like Hyprland — which offer not just a cheap visual copy of the two major commercial operating systems, but something much more unique and compelling — I think all the factors are in place for a big switch. At least among developers. But broad adoption or not, I'm in love with Linux, and thrilled to share my work to make it easier to enjoy.

6 days ago 12 votes
Gender and Sexuality Alliances in primary school at CIS?!

The Copenhagen International School is a wonderful private school located in the North Harbor of the city. It's home to over 900 students from around the world. This is where ambassadors, international executives, and other expats send their kids to get a great education in English while stationed in Denmark. As a result, it's perhaps the most diverse, inclusive school in all of Copenhagen. Lovely. What's less lovely is the fact that CIS seems to have caught some of the same gender-ideology obsession that has ravaged many schools in America. We thought Copenhagen would offer a respite from the woke nonsense that's been plaguing California — where some schools in our social circle ended up with a quarter or more of the student body identifying as trans or gender nonconformative — but it seems ideological contagions travel as fast as airplanes these days. It started last week, when the primary school, which includes kindergarten, declared its intention to spend every morning meeting for the entire week focused on gender dysphoria, transgenderism, they/them pronoun protocols, and coloring pride flags. That just sounded a bit odd and a bit much at first, but after reviewing the associated material, it actually looked downright devious. Just look at this example: Draw yourself in the mirror, then adorn it with trans colors? And the guiding example is a boy who sees himself as a girl? As you can imagine, many parents at the school were mortified by the idea of their children participating in this kind of overt indoctrination activities, and some of them let the school know. That's when the revisions started rolling out.  First, the program was revised to no longer apply to kindergarten and first grade, just second through fifth. Then the "draw yourself in the mirror and use trans colors to decorate it" activity was pulled from the program. Then the schedule was reduced from all week to just a single session this Monday while the rest of the material is being "reconsidered". And that's where it stands today. But that's not all. After talking to a number of other parents, I learned that CIS has other highly objectionable programs in this sphere. Like "Gender and Sexuality Alliances" where primary school students in G3-5, meaning kids as young as eight, are invited to join in lunch and recess meetings to talk more about gender, sexuality, and how to become a good ally to the 2SLGBTQIA+ community. According to one parent I spoke to (who's considering pulling their kids out over this), CIS hasn't wanted to disclose all specifics about the staff conducting these lunch and recess meetings with the children. Because while it's billed as "student led" on their website, the sessions are actually facilitated by CIS staff on campus.  I've asked the same question of the school administration, including what qualifications these individuals might have, and have not received an answer either. But ultimately, it shouldn't even matter, because this shouldn't even be happening! There's simply no responsible explanation for having kids as young as eight, or even as old as 11, in lunch and recess meetings with CIS staff to discuss gender and sexuality on school campus. It's preposterous, if not outright creepy. The school's mission is no cover either. The commitment to an inclusive school does not offer a license to indulge in this kind of overt indoctrination or inappropriate lunch meetings where minors discuss gender and sexuality with school staff. And it has to stop. CIS, like any other school, should not be a subsidiary of any specific interest organization. We don't want our kids to get their information about climate change from either Extinction Rebellion or fossil-fuel lobbyists. We expect our school to stay politically neutral on the international conflicts, like the one in Gaza. In higher grades where these topics are appropriate, they should be discussed in a context that also includes things like the Cass Review and the recent UK Supreme Court ruling. It's the same reason Copenhagen Pride Week saw a massive loss of sponsorship after trying to cajole major companies into a position on Gaza last year. Novo, Maersk, Google, and many others rejected this organization (and they're not returning this year either) for their partisan politics. It's bizarre that those same companies now have the children of their employees programmed by this organization's agenda at school.  CIS needs to return to its high-level mission of focusing on giving kids an excellent education, teaching them objectively about the world, and upholding general standards for kindness and caring. Not coloring partisan flags during school programs, not facilitating inappropriate meeting forums about gender and sexuality between staff and children.

4 weeks ago 12 votes
Denmark gets more serious about digital sovereignty

The recent disconnection of the ICC's chief prosecutor, at the behest of the American administration, could not have come at a worse time for Microsoft. Just a month prior, the folks from Redmond tried to assure Europe that all was well. That any speculation Europeans could get cut off from critical digital infrastructure was just fear, doubt, and uncertainty. Then everything Europeans worried could happen happened in Hague. Oops! Microsoft's assurances met reality and reality won. That reality is that all American administrations have the power to disconnect any individual, company, or foreign government from digital infrastructure provided by American Big Tech. So in that sense, it's pointless to blame Microsoft for the sanctioning power vested in the Oval Office. But we certainly can blame them for gaslighting Europe about the risk. What's more important than apportioning blame, though, is getting out of the bind that Europe is in. The continent is hopelessly dependent on American Big Tech for even the most basic of digital infrastructure. If this American administration, or the next, decides to use its sanctioning power again, Europe is in a real pickle. And with the actions taken against the ICC in Haag, Europe would be negligent to ignore the threat. Denmark even more so. It's no secret that tensions between Denmark and the US are at a historic high. Trump keeps repeating a desire to take over Greenland by fuzzy means possible. The American intelligence services have been directed to increase their spying on Denmark and Greenland. Naturally, the Danes are spooked. They should be! Regardless of what happens with Greenland, trade negotiations, or geopolitical disagreements, though, it would suit Europe well to become digitally sovereign. That doesn't mean cutting off all American tech, but it does mean rejecting any services that can be turned off from Washington. So in terms of Microsoft, it means no more Microsoft 365, no more Teams, no more Azure. And that's exactly what the two biggest counties in Denmark have announced plans to do. Copenhagen and Aarhus just declared that they're going to get rid of Microsoft products for all their workers. The Copenhagen county is the largest employer in Denmark with over 40,000 employees. So this is a big deal! The chairman of the Copenhagen committee who pushed this forward made this comment to Danish media:  If, theoretically, the relationship to the US gets worse, we could fear that Microsoft would be forced to shut everything down. That possibility exists. And if we suddenly can't access our emails or communicate via our systems, we'll be challenged. That's an understatement. Denmark is one of the most highly digitalized countries in the world. It's also one of the most Microsoft dependent. In fact, Microsoft is by far and away the single biggest dependency, so it makes perfect sense to start the quest for digital sovereignty there. But Denmark is also full of unambitious, defeatist bureaucrats who can't imagine a world without Microsoft. Just today, the IT director for The Capital Region declared it to utopian to think Denmark could ever achieve digital sovereignty or meaningfully replace Microsoft. Not even a decade would make a dent, says the director, while recognizing that if we'd done something 15 years ago, we wouldn't be in this pickle. A remarkable illustration of cognitive dissonance! Sadly, this is not an uncommon conclusion from people who work inside the belly of bureaucracies for too long. Whatever has always done too often seems like the only thing that ever could be done. But, as Mandela said, it always seems impossible until it's done. So let's get it done. Digital sovereignty isn't easy, but neither was securing a sovereign energy supply. Nor will it be to rebuild a credible defensive military. Europe needs all of it, yesterday. The bureaucrats who aren't interested in making it happen should find employment elsewhere.

4 weeks ago 12 votes

More in programming

Digital hygiene: Emails

Email is your most important online account, so keep it clean.

15 hours ago 4 votes
Building a container orchestrator

Kubernetes is not exactly the most fun piece of technology around. Learning it isn’t easy, and learning the surrounding ecosystem is even harder. Even those who have managed to tame it are still afraid of getting paged by an ETCD cluster corruption, a Kubelet certificate expiration, or the DNS breaking down (and somehow, it’s always the DNS). Samuel Sianipar If you’re like me, the thought of making your own orchestrator has crossed your mind a few times. The result would, of course, be a magical piece of technology that is both simple to learn and wouldn’t break down every weekend. Sadly, the task seems daunting. Kubernetes is a multi-million lines of code project which has been worked on for more than a decade. The good thing is someone wrote a book that can serve as a good starting point to explore the idea of building our own container orchestrator. This book is named “Build an Orchestrator in Go”, written by Tim Boring, published by Manning. The tasks The basic unit of our container orchestrator is called a “task”. A task represents a single container. It contains configuration data, like the container’s name, image and exposed ports. Most importantly, it indicates the container state, and so acts as a state machine. The state of a task can be Pending, Scheduled, Running, Completed or Failed. Each task will need to interact with a container runtime, through a client. In the book, we use Docker (aka Moby). The client will get its configuration from the task and then proceed to pull the image, create the container and start it. When it is time to finish the task, it will stop the container and remove it. The workers Above the task, we have workers. Each machine in the cluster runs a worker. Workers expose an API through which they receive commands. Those commands are added to a queue to be processed asynchronously. When the queue gets processed, the worker will start or stop tasks using the container client. In addition to exposing the ability to start and stop tasks, the worker must be able to list all the tasks running on it. This demands keeping a task database in the worker’s memory and updating it every time a task change’s state. The worker also needs to be able to provide information about its resources, like the available CPU and memory. The book suggests reading the /proc Linux file system using goprocinfo, but since I use a Mac, I used gopsutil. The manager On top of our cluster of workers, we have the manager. The manager also exposes an API, which allows us to start, stop, and list tasks on the cluster. Every time we want to create a new task, the manager will call a scheduler component. The scheduler has to list the workers that can accept more tasks, assign them a score by suitability and return the best one. When this is done, the manager will send the work to be done using the worker’s API. In the book, the author also suggests that the manager component should keep track of every tasks state by performing regular health checks. Health checks typically consist of querying an HTTP endpoint (i.e. /ready) and checking if it returns 200. In case a health check fails, the manager asks the worker to restart the task. I’m not sure if I agree with this idea. This could lead to the manager and worker having differing opinions about a task state. It will also cause scaling issues: the manager workload will have to grow linearly as we add tasks, and not just when we add workers. As far as I know, in Kubernetes, Kubelet (the equivalent of the worker here) is responsible for performing health checks. The CLI The last part of the project is to create a CLI to make sure our new orchestrator can be used without having to resort to firing up curl. The CLI needs to implement the following features: start a worker start a manager run a task in the cluster stop a task get the task status get the worker node status Using cobra makes this part fairly straightforward. It lets you create very modern feeling command-line apps, with properly formatted help commands and easy argument parsing. Once this is done, we almost have a fully functional orchestrator. We just need to add authentication. And maybe some kind of DaemonSet implementation would be nice. And a way to handle mounting volumes…

18 hours ago 2 votes
Bugs I fixed in SumatraPDF

Unexamined life is not worth living said Socrates. I don’t know about that but to become a better, faster, more productive programmer it pays to examine what makes you un-productive. Fixing bugs is one of those un-productive activities. You have to fix them but it would be even better if you didn’t write them in the first place. Therefore it’s good to reflect after fixing a bug. Why did the bug happen? Could I have done something to not write the bug in the first place? If I did write the bug, could I do something to diagnose or fix it faster? This seems like a great idea that I wasn’t doing. Until now. Here’s a random selection of bugs I found and fixed in SumatraPDF, with some reflections. SumatraPDF is a C++ win32 Windows app. It’s a small, fast, open-source, multi-format PDF/eBook/Comic Book reader. To keep the app small and fast I generally avoid using other people’s code. As a result most code is mine and most bugs are mine. Let’s reflect on those bugs. TabWidth doesn’t work A user reported that TabWidth advanced setting doesn’t work in 3.5.2 but worked in 3.4.6. I looked at the code and indeed: the setting was not used anywhere. The fix was to use it. Why did the bug happen? It was a refactoring. I heavily refactored tabs control. Somehow during the rewrite I forgot to use the advanced setting when creating the new tabs control, even though I did write the code to support it in the control. I guess you could call it sloppiness. How could I not write the bug? I could review the changes more carefully. There’s no-one else working on this project so there’s no one else to do additional code reviews. I typically do a code review by myself with webdiff but let’s face it: reviewing changes right after writing them is the worst possible time. I’m biased to think that the code I just wrote is correct and I’m often mentally exhausted. Maybe I should adopt a process when I review changes made yesterday with fresh, un-tired eyes? How could I detect the bug earlier?. 3.5.2 release happened over a year ago. Could I have found it sooner? I knew I was refactoring tabs code. I knew I have a setting for changing the look of tabs. If I connected the dots at the time, I could have tested if the setting still works. I don’t make releases too often. I could do more testing before each release and at the very least verify all advanced settings work as expected. The real problem In retrospect, I shouldn’t have implemented that feature at all. I like Sumatra’s customizability and I think it’s non-trivial contributor to it’s popularity but it took over a year for someone to notice and report that particular bug. It’s clear it’s not a frequently used feature. I implemented it because someone asked and it was easy. I should have said no to that particular request. Fix printing crash by correctly ref-counting engine Bugs can crash your program. Users rarely report crashes even though I did put effort into making it easy. When I a crash happens I have a crash handler that saves the diagnostic info to a file and I show a message box asking users to report the crash and with a press of a button I launch a notepad with diagnostic info and a browser with a page describing how to submit that as a GitHub issue. The other button is to ignore my pleas for help. Most users overwhelmingly choose to ignore. I know that because I also have crash reporting system that sends me a crash report. I get thousands of crash reports for every crash reported by the user. Therefore I’m convinced that the single most impactful thing for making software that doesn’t crash is to have a crash reporting system, look at the crashes and fix them. This is not a perfect system because all I have is a call stack of crashed thread, info about the computer and very limited logs. Nevertheless, sometimes all it takes is a look at the crash call stack and inspection of the code. I saw a crash in printing code which I fixed after some code inspection. The clue was that I was accessing a seemingly destroyed instance of Engine. That was easy to diagnose because I just refactored the code to add ref-counting to Engine so it was easy to connect the dots. I’m not a fan of ref-counting. It’s easy to mess up ref-counting (add too many refs, which leads to memory leaks or too many releases which leads to premature destruction). I’ve seen codebases where developers were crazy in love with ref-counting: every little thing, even objects with obvious lifetimes. In contrast,, that was the first ref-counted object in over 100k loc of SumatraPDF code. It was necessary in this case because I would potentially hand off the object to a printing thread so its lifetime could outlast the lifetime of the window for which it was created. How could I not write the bug? It’s another case of sloppiness but I don’t feel bad. I think the bug existed there before the refactoring and this is the hard part about programming: complex interactions between distant, in space and time, parts of the program. Again, more time spent reviewing the change could have prevented it. As a bonus, I managed to simplify the logic a bit. Writing software is an incremental process. I could feel bad about not writing the perfect code from the beginning but I choose to enjoy the process of finding and implementing improvements. Making the code and the program better over time. Tracking down a chm thumbnail crash Not all crashes can be fixed given information in crash report. I saw a report with crash related to creating a thumbnail crash. I couldn’t figure out why it crashes but I could add more logging to help figure out the issue if it happens again. If it doesn’t happen again, then I win. If it does happen again, I will have more context in the log to help me figure out the issue. Update: I did fix the crash. Fix crash when viewing favorites menu A user reported a crash. I was able to reproduce the crash and fix it. This is the bast case scenario: a bug report with instructions to reproduce a crash. If I can reproduce the crash when running debug build under the debugger, it’s typically very easy to figure out the problem and fix it. In this case I’ve recently implemented an improved version of StrVec (vector of strings) class. It had a compatibility bug compared to previous implementation in that StrVec::InsertAt(0) into an empty vector would crash. Arguably it’s not a correct usage but existing code used it so I’ve added support to InsertAt() at the end of vector. How could I not write the bug? I should have written a unit test (which I did in the fix). I don’t blindly advocate unit tests. Writing tests has a productivity cost but for such low-level, relatively tricky code, unit tests are good. I don’t feel too bad about it. I did write lots of tests for StrVec and arguably this particular usage of InsertAt() was borderline correct so it didn’t occur to me to test that condition. Use after free I saw a crash in crash reports, close to DeleteThumbnailForFile(). I looked at the code: if (!fs->favorites->IsEmpty()) { // only hide documents with favorites gFileHistory.MarkFileInexistent(fs->filePath, true); } else { gFileHistory.Remove(fs); DeleteDisplayState(fs); } DeleteThumbnailForFile(fs->filePath); I immediately spotted suspicious part: we call DeleteDisplayState(fs) and then might use fs->filePath. I looked at DeleteDisplayState and it does, in fact, deletes fs and all its data, including filePath. So we use freed data in a classic use after free bug. The fix was simple: make a copy of fs->filePath before calling DeleteDisplayState and use that. How could I not write the bug? Same story: be more careful when reviewing the changes, test the changes more. If I fail that, crash reporting saves my ass. The bug didn’t last more than a few days and affected only one user. I immediately fixed it and published an update. Summary of being more productive and writing bug free software If many people use your software, a crash reporting system is a must. Crashes happen and few of them are reported by users. Code reviews can catch bugs but they are also costly and reviewing your own code right after you write it is not a good time. You’re tired and biased to think your code is correct. Maybe reviewing the code a day after, with fresh eyes, would be better. I don’t know, I haven’t tried it.

yesterday 1 votes
An Analysis of Links From The White House’s “Wire” Website

A little while back I heard about the White House launching their version of a Drudge Report style website called White House Wire. According to Axios, a White House official said the site’s purpose was to serve as “a place for supporters of the president’s agenda to get the real news all in one place”. So a link blog, if you will. As a self-professed connoisseur of websites and link blogs, this got me thinking: “I wonder what kind of links they’re considering as ‘real news’ and what they’re linking to?” So I decided to do quick analysis using Quadratic, a programmable spreadsheet where you can write code and return values to a 2d interface of rows and columns. I wrote some JavaScript to: Fetch the HTML page at whitehouse.gov/wire Parse it with cheerio Select all the external links on the page Return a list of links and their headline text In a few minutes I had a quick analysis of what kind of links were on the page: This immediately sparked my curiosity to know more about the meta information around the links, like: If you grouped all the links together, which sites get linked to the most? What kind of interesting data could you pull from the headlines they’re writing, like the most frequently used words? What if you did this analysis, but with snapshots of the website over time (rather than just the current moment)? So I got to building. Quadratic today doesn’t yet have the ability for your spreadsheet to run in the background on a schedule and append data. So I had to look elsewhere for a little extra functionality. My mind went to val.town which lets you write little scripts that can 1) run on a schedule (cron), 2) store information (blobs), and 3) retrieve stored information via their API. After a quick read of their docs, I figured out how to write a little script that’ll run once a day, scrape the site, and save the resulting HTML page in their key/value storage. From there, I was back to Quadratic writing code to talk to val.town’s API and retrieve my HTML, parse it, and turn it into good, structured data. There were some things I had to do, like: Fine-tune how I select all the editorial links on the page from the source HTML (I didn’t want, for example, to include external links to the White House’s social pages which appear on every page). This required a little finessing, but I eventually got a collection of links that corresponded to what I was seeing on the page. Parse the links and pull out the top-level domains so I could group links by domain occurrence. Create charts and graphs to visualize the structured data I had created. Selfish plug: Quadratic made this all super easy, as I could program in JavaScript and use third-party tools like tldts to do the analysis, all while visualizing my output on a 2d grid in real-time which made for a super fast feedback loop! Once I got all that done, I just had to sit back and wait for the HTML snapshots to begin accumulating! It’s been about a month and a half since I started this and I have about fifty days worth of data. The results? Here’s the top 10 domains that the White House Wire links to (by occurrence), from May 8 to June 24, 2025: youtube.com (133) foxnews.com (72) thepostmillennial.com (67) foxbusiness.com (66) breitbart.com (64) x.com (63) reuters.com (51) truthsocial.com (48) nypost.com (47) dailywire.com (36) From the links, here’s a word cloud of the most commonly recurring words in the link headlines: “trump” (343) “president” (145) “us” (134) “big” (131) “bill” (127) “beautiful” (113) “trumps” (92) “one” (72) “million” (57) “house” (56) The data and these graphs are all in my spreadsheet, so I can open it up whenever I want to see the latest data and re-run my script to pull the latest from val.town. In response to the new data that comes in, the spreadsheet automatically parses it, turn it into links, and updates the graphs. Cool! If you want to check out the spreadsheet — sorry! My API key for val.town is in it (“secrets management” is on the roadmap). But I created a duplicate where I inlined the data from the API (rather than the code which dynamically pulls it) which you can check out here at your convenience. Email · Mastodon · Bluesky

2 days ago 2 votes
AmigaGuide Reference Library

As I slowly but surely work towards the next release of my setcmd project for the Amiga (see the 68k branch for the gory details and my total noob-like C flailing around), I’ve made heavy use of documentation in the AmigaGuide format. Despite it’s age, it’s a great Amiga-native format and there’s a wealth of great information out there for things like the C API, as well as language guides and tutorials for tools like the Installer utility - and the AmigaGuide markup syntax itself. The only snag is, I had to have access to an Amiga (real or emulated), or install one of the various viewer programs on my laptops. Because like many, I spend a lot of time in a web browser and occasionally want to check something on my mobile phone, this is less than convenient. Fortunately, there’s a great AmigaGuideJS online viewer which renders AmigaGuide format documents using Javascript. I’ve started building up a collection of useful developer guides and other files in my own reference library so that I can access this documentation whenever I’m not at my Amiga or am coding in my “modern” dev environment. It’s really just for my own personal use, but I’ll be adding to it whenever I come across a useful piece of documentation so I hope it’s of some use to others as well! And on a related note, I now have a “unified” code-base so that SetCmd now builds and runs on 68k-based OS 3.x systems as well as OS 4.x PPC systems like my X5000. I need to: Tidy up my code and fix all the “TODO” stuff Update the Installer to run on OS 3.x systems Update the documentation Build a new package and upload to Aminet/OS4Depot Hopefully I’ll get that done in the next month or so. With the pressures of work and family life (and my other hobbies), progress has been a lot slower these last few years but I’m still really enjoying working on Amiga code and it’s great to have a fun personal project that’s there for me whenever I want to hack away at something for the sheer hell of it. I’ve learned a lot along the way and the AmigaOS is still an absolute joy to develop for. I even brought my X5000 to the most recent Kickstart Amiga User Group BBQ/meetup and had a fun day working on the code with fellow Amigans and enjoying some classic gaming & demos - there was also a MorphOS machine there, which I think will be my next target as the codebase is slowly becoming more portable. Just got to find some room in the “retro cave” now… This stuff is addictive :)

2 days ago 4 votes