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meisterluk

@meisterluk.mathstodon.xyz.ap.brid.gy
15 followers 0 following 82 posts

💻 software dev 🦀 rust ¶ Digital typesetting 合 Aikidō 🇯🇵 DE/EN/EO/JP On this account, I post stuff related to my private life. #CS, #rustlang, #FOSS, #PQC […] 🌉 bridged from ⁂ mathstodon.xyz/@meisterluk, follow @ap.brid.gy to interact

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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 11/08/2026
Today I learned: The paper “Classes: An Abstract Data Type Facility for the C Language” (1981) by Bjarne Stroustrup used an unsafe example 😂 #softwareDevelopment #cpp
A code example with a class named "unsafe" and a derived class named "safe". The unsafe class assumes a responsible user whereas the safe class does not.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 03/08/2026
#uk2026 #esperanto #Graz
Multaj homoj iras la ŝtupojn suben. En la fono, la enirejo kun parolemaj homoj estas videbla.Reprezendantoj staras sur scenejo kaj la "Salutmesaĝo de la Aŭstria Unesko-komisiono" en plena salono estas montrataOkazo de nacia vespero estas videbla. Multaj personoj dancas sur la scenejo dupersone.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 01/08/2026
Saluton ĉe la kongresejo! #uk2026 #Graz #UniversalaKongreso
Bildo de starilo de Ludwig Zamenhof kun kongresa libro en la enirejo de kongresejo
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 09/07/2026
Zwischen dem 1. und 8. August findet der Universala Kongreso de Esperanto in Graz/Österreich statt. uea.org/kongresoj Möchtest du teilnehmen? Das Teilnahmeformular ist noch verfügbar: uk.esperanto.net/2026 Wir suchen noch nach Freiwilligen […] [Original post on mathstodon.xyz]
Ein Bild des Grazer Uhrturms ist sichtbar und das Logo des Universala Kongreso wurde hinzugefügt. Es verweist auf das Datum im August 2026 und den Ort Graz.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 09/07/2026
Between the 1st and 8th of August, the Universal Congress of Esperanto is going to happen in Graz, Austria. uea.org/kongresoj Do you want to participate? The participant form is still open: uk.esperanto.net/2026 We are still searching for […] [Original post on mathstodon.xyz]
A photo of the clock tower of the city Graz in Austria is visible. In the front, a logo of the Universal Congress is visible.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 09/07/2026
Ekde la 1-a ĝis la 8-a de aŭgusto, la Universala Kongreso de Esperanto okazos en #Graco, #Aŭstrio. uea.org/kongresoj Ĉu vi volas partopreni? La aliĝilo ankoraŭ estas malfermata: uk.esperanto.net/2026 Ni ankoraŭ serĉas voluntulojn por helpi […] [Original post on mathstodon.xyz]
Bildo de vidindaĵo “horloĝturo” de Graco en Aŭstrio. En la antaŭo, la emblemo de Universala Kongreso estas videbla.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 09/07/2026
Oh, great… now people in television get called “AI powered software engineer” 🤦 #buzzword #AI
Screenshot of an interview in television which shows a caption “Mario Murrent - AI powered software engineer”
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 11/04/2026
#glt26
A lecture hall is shown. Many people are sitting and waiting for the next talk.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 11/04/2026
#glt26
a staircase is visible on the lefthand side. On the right, many people stand at booths and debate.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 31/01/2026
Just a friendy reminder how successful cross-technology efforts to implement standards can be: Interop 2025 (incl. CSS scopes, <details>, etc) finished with scores ≥97 for all web browsers. #goodNews #collaboration #webdev
A screenshot of the website "Interop 2025 Dashboard". It shows scores 98 of 100 for Chrome, 97 for Edge, 98 for Firefox, and 98 for Safari.

The main text says: Interop 2025 is a cross-browser effort to improve the interoperability of the web — to reach a state where each technology works exactly the same in every browser.

This is accomplished by encouraging browsers to precisely match the web standards for CSS, HTML, JS, Web API, and more
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 28/12/2025
Magdalensberg / #Kärnten / #Austria
Another picture of clouds at low altitude. The photo is taken on a mountain with the horizon in the center. Trees and a snowy landscape is visible at the bottom. At the upper half the sky is visible in colors ranging from yellow to blue.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 23/11/2025
The original paper of “Parsing Expression Grammars” (PEG) is well-written and defines the grammar's semantics clearly in a set of definitions. However, the header text of definitions has a very awkward kerning making it appear like “De fi nitions” or “Defi […] [Original post on mathstodon.xyz]
A screenshot from a paper shows a definition:
“Definition: A parsing expression grammar (PEG) is a 4-tuple G = (V_N ; V_T; R; e_S), where V_N is a finite set of nonterminal symbols, V_T is a finite set of terminal symbols, R is a finite set of rules, e_S is a parsing expression termed the start expression, and the intersection of V_N and V_T is empty.”
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 30/09/2025
Art installation at Residenzplatz Salzburg shot in Aug 2025 #salzburg #art #perspective #faces #residenzplatz
The stairs of a fountain on a public square are visible in the front. Many people of the public are visible around the fountain. In the distant a black head of a girl is visible. The shape is heavily scewed such that in this perspective the girl is recognizable, but the impression is that the shape is off due to the sun's light.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 28/09/2025
#graffiti #art from #salzburg tagged with "Jana & js 2025" #stencil #city #urban #beauty #schallmooserHauptstraße
Behind a bicycle stand, a graffiti in stencil style is visible on the wall. It shows three circle depicting a grid like the facade of a house of same-size apartments. Each apartment facade has a different color. In the largest circle, a girl is seated along the round shape of the circle and holds a red flower in front of her left eye.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 29/06/2025
#austria #salzburg #hallein #colloredoBrücke #sanktKoloman
A bicycle path leads underneath a car bridge Colloredo-Brücke visible at the center of the image. Pedestrians can go up stairs to reach the car bridge from the bicycle path. Next to the bicycle path is the river Salzach with green water and in the far distant background, mountain Sankt Koloman is visible. It is a visibly hot and bright day.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 24/05/2025
Gefällt mir 👍 Ich… mag… Himeji ☺️ #Architektur #Japan #Hyogo
Ein Screenshot von Bluesky. Der österreichische Bundespräsident schreibt:

"Im November 2024 fand die Unterzeichnung des Partnerschaftsabkommens zwischen Schloss Schönbrunn und Burg Himeji in Wien statt. 

Heute wurde die Unterstützungserklärung für das „Sister Castle Twinning Agreement“ in Himeji unterzeichnet."
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 17/05/2025
In the Netherlands, I bought Vla. The fun fact about Vla is: Vla is a pudding used to be sold in glass bottles. It is difficult to remove the residue of the pudding from the bottle. So the Dutch people invented a special bottle scraper (flessenschraper or […] [Original post on mathstodon.xyz]
The picture shows a pack of Vla with vanilla flavor in the back and a bowl with Vla in front. Vla is a pudding from the Netherlands.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 16/05/2025
Congrats to the #rustlang community for 10 years of rust 1.0! Personally, rust is with me for 6 years now. Not everything in rust is intuitive, but usually it is a lack of knowledge and not missing features, I struggle with (90% lifetimes, 10% not knowing the […] [Original post on mathstodon.xyz]
A sticker by Rust Foundation showing a ferris with the text “Happy 10th birthday, Rust 1.0!”.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 14/05/2025
Closing remarks for #RustWeek by Terts. The next one is going to happen on 2026-05-18–22. Thanks a lot for the lovely, inclusive, and informative event! #rustlang #rustweek2025
Terts is standing at a cinema stage in front of sitting people and speaks to the audience
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 14/05/2025
Ralf Jung gives his talk “MiniRust: A core language for specifying Rust” and the room is full #rustlang #rustweek #rustweek2025 #langSpec
Ralf is standing in a cinema room in front of a large screen showing the talk title slide
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 14/05/2025
In "Graviola: fast, high-assurance cryptography for Rust", Joe Birr-Pixton gives himself five stars straight away 😉 #rustlang #cryptography #rustweek #rustweek2025
The picture shows Joe on the right side presenting the slide on the left on a large screen inside a cinema. On the slide, he compares aws-lc-rs, ring, RustCrypto, Dalek, and Graviola across multiple metrics. Joe gave his software five stars across all metrics except portability.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 13/05/2025
"The more I learn about C, the less I know about C" by Michał “FractalFir” Kostrubiec at #rustweek2025 #rustlang #cprogramming
Michał Kostrubiec is shown presenting on the right half of the picture on a large screen inside a cinema setting. The slide on the left half shows the title "Bitshifts" and shows a mapping of bitshifts from rust MIR to C.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 25/04/2025
Hauptbahnhof #Graz #GLT25
a promotional poster of the event "Grazer Linuxtage" today and tomorrow
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 25/04/2025
Pierre-Étienne Meunier and Florent Becker developed pijul [1], a modern version control system. I praised it in 2022 [2] and still use it for rust projects. Tomorrow at Grazer Linuxtage #GLT25, I am going to present #pijul [3] in a 5-minute lightning talk and […] [Original post on mathstodon.xyz]
title slide of the presentation "pijul: post-git SCM" by meisterluk on 2025-04-26. a lightning talk at GLT25.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 23/01/2025
„Wiens Schule haben viele Probleme“ Ja, haben sie. #Grammatik #typo
Ein Screenshot des ORF Beitrags „Wiens Schule haben viele Probleme“ inklusive Tippfehler im Titel.

Die Beschreibung des TV-Beitrags ist auch zu sehen: „Lehrermangel, Platznot, fehlende Deutschkenntnisse: Fast die Hälfte der Wiener Taferlklässler kann nicht ausreichend Deutsch, um dem Unterricht zu folgen. Wiens Schulen stehen vor enormen Herausforderungen.“
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 11/01/2025
Die österreichische Gesellschaft hat sich über die Jahre geändert. Was vor Jahren noch einen Aufschrei wert war, ist inzwischen in der Mitte angekommen. Werte wie Solidarität auf Grundlage von Empathie werden von einer wachsenden Minderheit einfach verworfen […] [Original post on mathstodon.xyz]
Der Inhalt eines Volkbegehren ist also Screenshot abgebildet. Titel 
„Austritt europäische Menschenrechtskonvention“.

Für Migranten bildet Österreich das Zielland Nr. 1. 2024 dienten zwei von drei Asylanträgen dem Familiennachzug oder den in Österreich geborenen Kindern. Die “5 Sterne für Österreich “ fordern den Bundes(verfassungs)gesetzgeber auf, den Verfassungsrang der Europäischen Menschenrechtskonvention (EMRK) aufzuheben sowie die erforderlichen Schritte zum Austritt aus der Konvention zu veranlassen – bis zur Aufhebung Art. 8 (Familiennachzug) und einer Reform Art. 3 (Abschiebeverbot in Folterstaaten).
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 06/01/2025
Yes, I am willing to ask back nicely whether I am using the hardware incorrectly in their forum instead of sending delivered hardware back right away, if I cannot make it run. No, I am not willing to deal with such shit, if the forum prevents me to write a proper bug description. #suppliers
An error message which reads "Multiple errors occured: 1) Sorry, new users can only put one embedded media item in a post 2) Sorry, new users can only put 2 links in a post"
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 29/11/2024
#Stasi prison Hohenschönhausen 1945–1989 #berlin
An outside court. The background shows an apartment block outside the area. Left and right around the court are brick buildings with large windows as part of the prison. The court is paved with a little green area with a small tree in the center.
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 23/11/2024
Time for some intense training #leibnitz #aikido #合気道
Various body hygiene utilities like shampoo and Aikido garment like four budogis, black bely, and Hakama
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meisterluk @meisterluk.mathstodon.xyz.ap.brid.gy · 19/11/2024
Dong Xuan Center #Berlin
Many cars are parked along a road. On the right side, a large market hall with blue walls is shown. “Großhandel Dong Xuan Center” is written in the center.
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