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Prosodical Thoughts: Prosody 0.12.2 released
We are pleased to announce a new minor release from our stable branch.

This is a regularly delayed release containing a number of fixes for
issues that we have come across since the last release of the 0.12
series.

A summary of changes in this release:

Fixes and improvements
  • util.stanza: Allow U+7F when constructing stazas
  • net.unbound: Preserve built-in defaults and Prosodys settings for luaunbound (fixes#1763: luaunbound not read … ⌘ Read more

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** December adventure **
Over the past couple years I’ve done the advent of code to varying degrees. I thought I was going to do it again this year but decided to try something different. I’ve been calling what came together a“ December Adventure.”

It isn’t anything fancy; throughout December I aim to write a little bit of code everyday. So far I’ve written a bit of apl, bash, elisp, explored a bunch of flavors of scheme, and star … ⌘ Read more

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Prosodical Thoughts: Bringing FASTer authentication to Prosody and XMPP
As our work continues on modernizing XMPP authentication,
we have some more new milestones to share with you. Until now our work has
mostly been focused on internal Prosody improvements, such as the new roles\
and permissions framework. Now we are starting to extend our
work to the actual client-to-server protocol in XMPP.

Prosody and [Snikket](https://snik … ⌘ Read more

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Moving to another city
As I’ve probably written many times before (have I?), I’m currently moving with my girlfriend to her university town. I will keep my old apartment as a second home. But it’s still my first move to another city and I’m just realizing it. ⌘ Read more

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**RT by @mind_booster: Who’d a thought. Golly gosh. Apple “privacy is a fundamental human right” .. but ….

“Apple Is Tracking You Even When Its Own Privacy Settings Say It’s Not, New Research Says”
https://gizmodo.com/apple-iphone-analytics-tracking-even-when-off-app-store-1849757558**
Who’d a thought. Golly gosh. Apple “privacy is a fundamental human right” .. but ….

“Apple Is Tracking You Even When Its Own Privacy Settings Say It’s Not, New Research Says”

[gizmodo.com/apple-iphone-ana…](https://gizm … ⌘ Read more

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I was inclined to let this go so as not to stir anything up, but after some additional thought I’ve decided to call it out. This twt:

Image

is exactly the kind of ad hominem garbage I came to expect from Twitter™, and I’m disappointed to see it replicated here. Rummaging through someone’s background trying to find a “gotcha” argument to take credibility away from what a person is saying, instead of engaging the ideas directly, is what trolls and bad faith actors do. That’s what the twt above does (falsely, I might add–what’s being claimed is untrue).

If you take issue with something I’ve said, you can mute me, unfollow me, ignore me, use TamperMonkey to turn all my twts into gibberish, engage the ideas directly, etc etc etc. There are plenty of options to make what I said go away. Reading through my links, reading about my organization’s CEO’s background, and trying to use that against me somehow (after misinterpreting it no less)? Besides being unacceptable in a rational discussion, and besides being completely ineffective in stopping me from expressing whatever it is you didn’t like, it’s creepy. Don’t do that.

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After all, debugging is still fun!
One reason I use an Android smartphone is that there are apps like Indigenous (a MicroPub-compatible app for posting from your phone to a MicroPub-compatible blog). And even if the app ever disappears from the store, there’s still the option to manually install the app. And if you need to, you can also develop your own apps without having to invest nearly $100 a year. ⌘ Read more

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Prosodical Thoughts: Mutation Testing in Prosody
This is a post about a new automated testing technique we have recently
adopted to help us during our daily development work on Prosody. It’s probably
most interesting to developers, but anyone technically-inclined should be able
to follow along!

If you’re unfamiliar with our project, it’s an open-source real-time messaging
server, built around the XMPP protocol. It’s used by many organizations and
self-hosting hobbyists, and also powers applications such as [Snikke … ⌘ Read more

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Why can’t I sleep when I’m excited? And why am I not excited during the day, but then my thoughts are circling at night? Well at least I slept well yesterday. Maybe that helps to get through the day somehow after only 3 or 4 hours of sleep. ⌘ Read more

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In-reply-to » I did a take home software engineering test for a company recently, unfortunately I was really sick (have finally recovered) at the time 😢 I was also at the same time interviewing for an SRE position (as well as Software Engineering).

@prologic@twtxt.net Error handling especially in Go is very tricky I think. Even though the idea is simple, it’s fairly hard to actually implement and use in a meaningful way in my opinion. All this error wrapping or the lack of it and checking whether some specific error occurred is a mess. errors.As(…) just doesn’t feel natural. errors.Is(…) only just. I mainly avoided it. Yesterday evening I actually researched a bit about that and found this article on errors with Go 1.13. It shed a little bit of light, but I still have a long way to go, I reckon.

We tried several things but haven’t found the holy grail. Currently, we have a mix of different styles, but nothing feels really right. And having plenty of different approaches also doesn’t help, that’s right. I agree, error messages often end up getting wrapped way too much with useless information. We haven’t found a solution yet. We just noticed that it kind of depends on the exact circumstances, sometimes the caller should add more information, sometimes it’s better if the callee already includes what it was supposed to do.

To experiment and get a feel for yesterday’s research results I tried myself on the combined log parser and how to signal three different errors. I’m not happy with it. Any feedback is highly appreciated. The idea is to let the caller check (not implemented yet) whether a specific error occurred. That means I have to define some dedicated errors upfront (ErrInvalidFormat, ErrInvalidStatusCode, ErrInvalidSentBytes) that can be used in the err == ErrInvalidFormat or probably more correct errors.Is(err, ErrInvalidFormat) check at the caller.

All three errors define separate error categories and are created using errors.New(…). But for the invalid status code and invalid sent bytes cases I want to include more detail, the actual invalid number that is. Since these errors are already predefined, I cannot add this dynamic information to them. So I would need to wrap them à la fmt.Errorf("invalid sent bytes '%s': %w", sentBytes, ErrInvalidSentBytes"). Yet, the ErrInvalidSentBytes is wrapped and can be asserted later on using errors.Is(err, ErrInvalidSentBytes), but the big problem is that the message is repeated. I don’t want that!

Having a Python and Java background, exception hierarchies are a well understood concept I’m trying to use here. While typing this long message it occurs to me that this is probably the issue here. Anyways, I thought, I just create a ParseError type, that can hold a custom message and some causing error (one of the three ErrInvalid* above). The custom message is then returned at Error() and the wrapped cause will be matched in Is(…). I then just return a ParseError{fmt.Sprintf("invalid sent bytes '%s'", sentBytes), ErrInvalidSentBytes}, but that looks super weird.

I probably need to scrap the “parent error” ParseError and make all three “suberrors” three dedicated error types implementing Error() string methods where I create a useful error messages. Then the caller probably could just errors.Is(err, InvalidSentBytesError{}). But creating an instance of the InvalidSentBytesError type only to check for such an error category just does feel wrong to me. However, it might be the way to do this. I don’t know. To be tried. Opinions, anyone? Implementing a whole new type is some effort, that I want to avoid.

Alternatively just one ParseError containing an error kind enumeration for InvalidFormat and friends could be used. Also seen that pattern before. But that would then require the much more verbose var parseError ParseError; if errors.As(err, &parseError) && parseError.Kind == InvalidSentBytes { … } or something like that. Far from elegant in my eyes.

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Hi, I am playing with making an event sourcing database. Its super alpha but I thought I would share since others are talking about databases and such.

It’s super basic. Using tidwall/wal as the disk backing. The first use case I am playing with is an implementation of msgbus. I can post events to it and read them back in reverse order.

I plan to expand it to handle other event sourcing type things like aggregates and projections.

Find it here: sour-is/ev

@prologic@twtxt.net @movq@www.uninformativ.de @lyse@lyse.isobeef.org

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Hi, I am playing with making an event sourcing database. Its super alpha but I thought I would share since others are talking about databases and such.

It’s super basic. Using tidwall/wal as the disk backing. The first use case I am playing with is an implementation of msgbus. I can post events to it and read them back in reverse order.

I plan to expand it to handle other event sourcing type things like aggregates and projections.

Find it here: sour-is/ev

@prologic@twtxt.net @movq@www.uninformativ.de @lyse@lyse.isobeef.org

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The Circle
Some years ago, I started reading the novel “The Circle” by Dave Eggers. I never finished reading it, but today I watched the movie. It has an important message about privacy, transparency and surveillance and shows that there’s a thin line in-between those. I can definitely recommend watching it, although I sometimes wasn’t impressed by the acting. ⌘ Read more

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‘Based’ Paganism vs. Christianity
I’ve been meaning to write about Paganism recently. I will frame it as a response to an email I received within the past day or so:

Hey Luke,

First off, I would like to thank you for all your efforts in making everything
you know accessible to everyone. You have exposed me to some of the most
thought-provoking people on the internet and Varg is one of them. I was
wondering if you can write an article or make a video on what you think about
Varg’s Paganism in r … ⌘ Read more

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The hardest technical solutions are right in front of your face.
Nassim Taleb had this old anecdote of the sheer absurdity that while the suitcase and other bags had existed for lifetimes, it was only in the 1990’s that people had the idea to put wheels on the things so they didn’t have to haul them around airports all day with their strength.

It reminds you of the fact that while children in the Incan Empire did indeed have some toys with wheels, apparently no one thought to use the wheel to make a simple … ⌘ Read more

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the right level for solving the hard problem of consciousness is within existing science/within philosophy/within meta- or pre-philosophy/needs a fully new paradigm of thought

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Prosodical Thoughts: Modernizing XMPP authentication and authorization
We’re excited to announce that we have received funding, from the EU’s
NGI Assure via the NLnet Foundation, to work on
some important enhancements to Prosody and XMPP. Our work will be focusing on
XMPP authentication and authorization, and bringing it up to date with current
and emerging best practices.

What kind of changes are we talking about? Well, there are a few aspects we
are planning to work on. Let’s start with “authent … ⌘ Read more

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Prosodical Thoughts: Prosody 0.12.1 released
We are pleased to announce a new minor release from our stable branch.

While the 0.12.0 release has been a huge success, inevitably people found some
aspects that didn’t work quite as intended, or weren’t as polished as they
ought to be. With the appreciation for the help from everyone reporting issues
to us, we’re happy to now release our best version yet - 0.12.1 is here!

Notably, we made a couple of changes that improve compatibility with Jitsi
Meet, we fixed some bugs … ⌘ Read more

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Migrating away from Cloudflare
Recently I stumbled across two threads regarding Cloudflare that somehow left a bitter taste. I think it’s a big red flag when users have to seek support via public forums because their accounts have been banned from a service, but no help comes via support. ⌘ Read more

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No standstill?
When I reflect on myself like this, I have long had the impression that I am a person who cannot live at a standstill. I always need a topic that keeps me busy, a thing in my life that I can optimize or at least a frequently changing topic that I can dive into. ⌘ Read more

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Why I now mute my watch
I am a user of a smartwatch. It is already the third smartwatch in my life (first the Sony SmartWatch 3, then the Samsung Galaxy Watch and now the Galaxy Watch 4) and I am actually quite satisfied with it. I always need an easy way to see the time, even when I’m riding my bike and can’t look at my smartphone (being on time is important to me!), plus it counts my steps and gives me the ability to view notifications right on my wrist so I don’t always have to get my smartphone out of my pocket firs … ⌘ Read more

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Reflecting on my work
I have been a full-time software developer for over a year now. I’ve since settled in well in the job, and I’m getting along better and better, even if the topics are sometimes still quite complex and difficult to understand, especially when it comes to “historically grown” things. ⌘ Read more

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The young man, who does not know the future, sees life as a kind of epic adventure, an Odyssey through strange seas and unknown islands, where he will test and prove his powers, and thereby discover his immortality. The man of middle years, who has lived the future that he once dreamed, sees life as a tragedy; for he has learned that his power, however great, will not prevail against those forces of accident and nature to which he gives the names of gods, and has learned that he is mortal. But the man of age, if he plays his assigned role properly, must see life as a comedy. For his triumphs and his failures merge, and one is no more the occasion for pride or shame than the other; and he is neither the hero who proves himself against those forces, nor the protagonist who is destroyed by them. – John Williams in Augustus I thought I’d have accomplished a lot more today and also before I was 35 (2020) | Hacker News

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rathole - ngrok alternative
Some time ago I tried to make my Nitter instance available on the Internet from home via Tailscale, Caddy and an own building block in between, but stopped it again a short time later because it didn’t work that well somehow. Today I found out about rathole, and what can I say? It works great and seems to be much faster than my previous solution! ⌘ Read more

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Prosodical Thoughts: Prosody 0.12.0 released
ÄNTLIGEN! It’s finally here! After 3 years of development and through some chaotic times, Prosody 0.12.0 is released!

What’s the significance of this release? Like many software projects, Prosody follows a “branch” development/release model. We frequently make minor releases with bug fixes and improvements from our stable branch, while we implement more adventurous changes in our development branch, ready for the next major release.

Well, this is one of those adventurous … ⌘ Read more

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Move mastered
Finally it’s done, after a super exhausting day, I’m finally lying in bed, the move is done! All the furniture I need and also a total of 18 moving boxes with my stuff are now here. My girlfriend and her family helped me with it. With a total of 8 people, everything went quickly and before 3pm we were ready so that my girlfriend could help me unpack boxes. ⌘ Read more

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Hello! 👋 I haven’t lost the desire to blog, nor have I decided on Digital Detox, it’s just that I’m currently busy moving. Instead of continuing to program my own stuff after work and pouring my thoughts into blog articles, I had to pack boxes. Today was my last workday in the home office in the old apartment, Monday is the first workday in the home office in my new apartment. Then my blogging frequency will probably remain rather low, because I still have to clear out the old apartment, but I may have a little more … ⌘ Read more

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Why I renamed my blogs
After a bit of consideration and a poll on Fosstodon, which shows a clear result even before it ends, I decided to rename this blog from “jlelse’s Blog – Thoughts, stories and ideas” to “Jan-Lukas Else – Thoughts of an IT expert”. Likewise, my German blog from “einGeek – Mehr als nur Internet und Programmieren” to “Jan-Lukas Else – Gedanken eines IT-Experten”. ⌘ Read more

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Given that we don’t have a “home phone”, what’s the best way to create a “hunt group” for my partner’s and my cell phones? My first thought is Asterisk on a VPS, but my knowledge of such things is years out of date. Is there a better way?

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First impressions of my new printer
I recently bought a new printer: the Xerox B225. I discovered it by chance (while looking for a good printer) as a reduced return in an online store. Someone must have just tried it out briefly and sent it back. I’m happy! ⌘ Read more

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In search of a new printer
Update: Thanks for all the answers! I have now tried to repair the ink cartridge, now something is printed again, but somewhat blurred. I finally decided to buy a black/white laser printer with scanner, a Xerox B225 as B-ware. I will probably report… ⌘ Read more

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In search of a new printer
At the moment I do not have a working printer at home. I have an inkjet printer, but due to a long period of non-use, the cartridge or the print head has dried up. If I want to print something, I have to do it in a copy store or a drugstore. This is possible, but especially if I need to print something spontaneously, or only a few pages, then the effort is annoying. ⌘ Read more

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Prosodical Thoughts: Prosody 0.11.13 released
We are pleased to announce a new minor release from our stable branch.

This is a(nother!) release for our stable branch to fix a memory leak caused
by the security fix. Deployments using websockets, SQL storage and possibly
other configurations may have noticed increasing memory usage after upgrading
to 0.11.12. This is resolved by this new release.

A summary of changes in this release:

Minor changes

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Peter Saint-Andre: MLK and Personalism
In my recent post on idealism and identity, I mentioned my attraction to the philosophy of personalism, with its emphasis on human dignity. It is perhaps a little-known fact that Martin Luther King, Jr., was greatly influenced by that very philosophy. Early in life he ventured north to study at Boston University, then the center of personalist thought in America, where he completed his doctorate under theologian Edgar Sheffield Brightman. We can see the deep influence of personalism on King’s … ⌘ Read more

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Prosodical Thoughts: Prosody 0.11.12 released
We are pleased to announce a new minor release from our stable branch.

This is a security release that addresses a denial-of-service vulnerability in
Prosody’s mod_websocket. For more information, refer to the
20220113 advisory.

A summary of changes in this release:

Security
  • util.xml: Do not allow doctypes, comments or processing instructions
Download

As usual, download instructions for many platforms can be f … ⌘ Read more

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In-reply-to » @fastidious Oh But somehow @lyse saw the old Twt and replied to that 🤦‍♂️

@prologic@twtxt.net I have thought about this because even though it doesn’t happen often, when it does it bothers me greatly. I haven’t found a solution. How about you? What could be done to avoid this from happening?

I know we have been over this in more than one occasion. Ideas about editing timeouts, or not allowing to edit/delete came up, but were quicky discarded as absurd.

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Peter Saint-Andre: Cultivating Curiosity
In my drive to hold fewer opinions (or at least hold them less strongly), for a while I tried to cultivate a healthy skepticism about things I believe - for instance, by attempting to question one opinion every week. This didn’t work, at least for me, because it felt too negative. Instead, now I’m working to cultivate curiosity. Here are a few thoughts on the process…. ⌘ Read more

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** Star Wars, and a year in review **
I tried to write a“ year in review” kinda post, but it got wicked melodramatic pretty fast. This year has been a slog…it really fucking sucked.

Rather than reflect on it further, I thought I’d write about something vapid that I’ve been thinking a bit about lately instead: Star Wars.

Despite my best efforts, I’ve always loved Star Wars. As a child I spent hundreds of hours pouring over novels, and comics, and books of sch … ⌘ Read more

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Prosodical Thoughts: Prosody 0.11.11 released
We are pleased to announce a new minor release from our stable branch.

This release contains some fixes to PEP to control memory usage, along
with a small batch of fixes for issues discovered since the last
release.

This will likely be the last release of the 0.11 branch.

A summary of changes in this release:

Fixes and improvements
  • net.server_epoll: Prioritize network events over timers to improve performance under heavy load
  • mod_p … ⌘ Read more

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Maybe I should write down my political views and thoughts in extra posts on my German blog in the future, instead of putting them in the monthly review and then translating them as well. English readers probably won’t get much out of it… Sorry! ✌️ ⌘ Read more

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Peter Saint-Andre: Aristotle Research Report #17: Let the Re-Reading Begin
Just under two years ago, I thought I was done with phase one of my research into Aristotle’s views o human flourishing, having at that point read around 120 distinct works by or related to Aristotle (including all of Plato’s dialogues). Well, I was wrong: since then I’ve read an additional 150 works, almost exclusively in the scholarly literature on Aristotle. Now I have three whole shelves of books about Aristotle in my office…. ⌘ Read more

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🤔 👋 Reconsidering moving Yarn.social’s development back to Github: Speaking of which (I do not forget); @fastidious@arrakis.netbros.com and I were discussing over a video call two nights ago, as well as @lyse@lyse.isobeef.org who joined a bit later, about the the whole moved of all of my projects and their source code off of Github. Whilst some folks do understand and appreciate my utter disgust over what Microsoft and Copilot did by blatantly scraping open source software’s codebases without even so much as any attempt at attribution or respecting the licenes of many (if not all?) open source projects.

That being said however, @fastidious@arrakis.netbros.com makes a very good and valid argument for putting Yarn.social’s codebases, repositories and issues back on Github for reasons that make me “torn” over my own sense of morality and ethics.

But I can live with this as long as I continue to run and operate my new (yet to be off the ground) company “Self Hosted Pty Ltd” and where it operates it’s own code hosting, servicesa, tools, etc.

Plese comment here on your thoughts. Let us decide togetehr 🤗

#yarnsocial #github #opsnsource #copilot #microsoft

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A Short Review of Selling on Tindie
I started using the Tindie platform in April to sell my WiFiStation kits. I’ve now sold out all of my initial inventory and am not planning on making any more, so I thought I’d offer my opinions of Tindie as a platform for selling things. ⌘ Read more

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Telegram Ads
So Telegram now has ads. But unlike the ads from Google, Facebook or Apple, the ads are not personalized and much more privacy friendly. The ads simply consist of a maximum 160-character message with no external links and are displayed only in large public channels. ⌘ Read more

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Apple’s event on Monday is bringing, as always, speculation to the table. One thing most outlets seem to agree is the introduction of an “M1X” chip, thought Apple might call it differently. M1X might also mean, M1(we don’t know what comes after, or next generation). Either way, I would really like to see the return of the 27” iMac, but I will not hold my breath. Nevertheless, Monday is going to be an exciting day for many, including me! 🍎

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