What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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Obstturnier @Obstturnier@troet.cafe
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Gruppe D des hofft Ihr hattet einen stressfreien Samstag...

Kurze Vorstellungen:
Die Kaki (Persimmon), auch genannt Chinesische Quitte oder "Götterspeise", ist die süße, orangefarbene, einer Tomate ähnelnde Frucht des Kakibaums. Sharon ist eine Unterart.
Zur Zuckermelone gehören u.a. "Netzmelone" und Galiamelone, beide entsprechend nicht extra im Turnier.

Achtung: In der Gruppenphase finden 2 Abstimmungen am Tag statt, Start um 08:00 Uhr und 20 Uhr, je 24 h lang

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dan @danabra.mov@bsky.brid.gy
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today in sidetrail.app improvements: - perf fixes, fewer navigation stalls - fixed overflows on mobile - fixed taps on mobile - actual masonry (on desktop) - home algo boosts fresh trails - better keyboard nav thanks to everyone for testing it and creating your first trails!

screenshot to the homepage
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Misty @misty@digipres.club
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Actually speaking of nostalgia I have found it funny watching the nostalgia event horizon shift. When I was a kid it was the 50s/60s, then the 80s, and then my generation got annoying about the 90s. Recently saw a post about "Christmas used to be fun" with a photo timestamped 2012. Basically yesterday!

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Lukas @lukas@bsd.cafe
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I just played around upgrading a FreeBSD 14.3p6 VM to 15.0-RELEASE via FreeBSD-base.
I still have not figured out how to do that with the official repos, but after building packages locally i was able to upgrade the boot environment and reboot in a working installation!

Has anyone got this working with the official base repo?

If anyone is interested, here are my notes about upgrading locally (Notes in picture alt for copy paste).

Create Boot Env and mount it ``` bectl create 15.0 mkdir /mnt/upgrade bectl mount 15.0 /mnt/upgrade ``` Change pkg configuration `/mnt/upgrade/usr/local/etc/pkg/repos/FreeBSD-base.conf` to local repo ``` FreeBSD-base: { url: "http://local.ip/${ABI}/15.0", enabled: yes } ``` and comment out FreeBSD-base from /mnt/upgrade/etc/pkg/FreeBSD.conf Install FreeBSD-pkg-bootstrap, as mentioned in the [release notes](https://www.freebsd.org/releases/15.0R/relnotes/) ``` env ABI=FreeBSD:15:amd64 IGNORE_OSVERSION=yes pkg -c /mnt/upgrade/ install -r FreeBSD-base FreeBSD-pkg-bootstrap ``` Then upgrade the base packages ``` env ABI=FreeBSD:15:amd64 IGNORE_OSVERSION=yes pkg -c /mnt/upgrade/ upgrade -r FreeBSD-base ``` Check, if FreeBSD-set-base is installed: ``` env ABI=FreeBSD:15:amd64 IGNORE_OSVERSION=yes pkg -c /mnt/upgrade/ install -r FreeBSD-base FreeBSD-set-base ``` upgrade all other packages ``` env ABI=FreeBSD:15:amd64 IGNORE_OSVERSION=yes pkg -c /mnt/upgrade/ upgrade ``` Temporarily activate boot env and reboot ``` bectl activate -t 15.0 shutdown -r now ```
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vivi 💫 @vv@solarpunk.moe
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Key Takeaways

  • 🚀 Missile Knowledge—Knows where it is at all times
  • 🤔 Rationale—It knows this because it knows where it isn't
  • 🧪 Synthesis—By subtracting where it is from where it isn't, or where it isn't from where it is (whichever is greater) it achieves a difference, or deviation.
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Julia Evans @b0rk@jvns.ca
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apropos nothing my favourite recipe app seems to be having a sale paprikaapp.com/blog/2025/11/17

(obviously nobody is paying me to say this, I've just been using it happily to store all of my recipes for years and it's like a $3 one-time payment if the sale's still on. It'll automatically extract a recipe from any website and I find it does a great job. I do not use the grocery/menu planning features.)

2025 Thanksgiving and Black Friday Sale

www.paprikaapp.com

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Werawelt @werawelt@social.tchncs.de
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@neilNeil Brown
The is more than just the protocol. Diaspora, for example, does not use it and yet belongs to the Fediverse and it is one of the oldest service in the Fediverse.
Fediverse means that instances federate. There are different services: Mastodon, Pixelfed, Diaspora, Friendica, etc. See image.
This diversity has grown bottom up and is also desired by many users of the services. However, there is an app that captures much accounts and displays it in one timeline on the app. This is the Fedilab app: fedilab.app/ @appsFedilab Apps

Since more people are coming to the Fediverse from commercial central platforms, there is often a desire to see everything with one account. For example, the topic was discussed intensively here (in German): mstdn.social/@bsi@social.bund.

Fediverse-Services in a tree with different protocols source: https://axbom.com/fediverse/
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mcc @mcc@mastodon.social
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Something I considered for my "listening to" thread but rejected…

Ceci intéressera particulièrement les francophones.

Here is a video where a musician who built a table into a composite noise instrument made of contact mics, solenoids, crackleboxes, and guitar pedals does a series of short performances and explains his system in French. I'm skipping it for the thread because it's many sketches rather than one "song". But if you speak French I bet this is great:

youtube.com/watch?v=M0SU7C1uwJQ

The table of Zviij

The table of Zviij is a short portrait of sound artist Zviij Franck Smith at work. Filmed in November 2024 by Julien Smith.Feat. Zviij Franck Smith (electroa...

www.youtube.com · YouTube

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Adriano @adriano@lile.cl
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The other day @simonSimon Willison was talking about how cool it was that he could finally vibe code from his phone and I’m still not sure if it was a bit, or a cry for help, or what.

Yeah, I’d also love to have the unreliable machine work from a place that’s always active near me and which also sucks for reviewing correctness.

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Anuj Ahooja @quillmatiq@mastodon.social
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Shared by Evan Prodromou

RE: mastodon.social/@anewsocial/11

I'm so grateful to @snarfed.orgRyan Barrett for giving me a chance to partner with him on @anewsocial.

I still can't believe he decided to say yes after the wild essays I sent him over email about all the great things we can do with Bridgy Fed.

What an amazing year. We're just getting started 🚀

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川音リオ @KawaneRio@misskey.io
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@syuilo:petthex_javasparrow:しゅいろ:petthex_javasparrow:(本物) お誕生日、おめでとう。
1231歳だね。時は早いよね。
ところで 1231 って素数(そすう)なんだよ。
しかもただの素数(そすう)じゃない。
素数(そすう) 1231、逆から読んでも
1321、別の素数(そすう)(prime(プライム))になるんだ。
これは素数(うすそ)(emirp(エマープ))と呼ばれる、
特別(とくべつ)な回文素数(かいぶんそすう)の一種(いっしゅ)なのさ。
ちょっと話は變(か)はるケド、
1231 は、天使数(てんしすう)(エンジェルナンバー)
とも呼ばれ、あなたが天使達(てんしたち)に
見守(みま)られていることを意味するよ。(それってつまりストーカーでは…)

しゅいろしゃんっ。
特別な秊(とし)が訪れ〼(ます)やうにっ
あなたに…

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Darius Kazemi @darius@friend.camp
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I peek at Meta's Threads every now and then. Just saw an ad for an app that lets me bet on things like "what will Mr. Beast say in his next video?" though completely unclear what yes/no means in this context.

I looked it up and this is being considered A Very Serious Company by other very serious companies.

It's just lightly regulated betting, but they call it "direct investment hedging against unpredictable macroeconomic events". I hate our reality

businessinsider.com/kalshi-cnb

Ad from Kalshi. "What will Mr. Beast say next?" Yes button to bet $0.55, No button to bet $0.49. You can evidently both buy and sell bets. Infinite regress of commoditization.
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Matthew Malthouse @calmeilles@mstdn.social
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FFS, how many times does it have to be said? DO NOT use Lithium Ion for static installations. They don't need the energy density and we don't need the fire risk.

LiFePO₄ is cheaper, inherently less risky and available in grid scale quantity.

Sodium is likely to be even better in some respect.

nature.com/articles/s41598-025

Coastal wetland deposition of cathode metals from the world’s largest lithium-ion battery fire - Scientific Reports

Fires at lithium-ion battery storage facilities pose emerging environmental risks that remain largely undocumented under real-world conditions. Following a major fire at the world’s largest Battery Energy Storage System (BESS) in Moss Landing, California, we conducted rapid, high-resolution soil surveys to quantify metal fallout in adjacent estuarine wetlands. Field-portable X-ray fluorescence (FpXRF), validated by SEM/EDS, laboratory XRF, and ICP-MS, revealed a significant but transient surface enrichment of nickel (Ni), manganese (Mn), and cobalt (Co). This enrichment had Ni: Co mass ratios near 2:1 serving as a geochemical fingerprint of NMC-type cathode materials. The metals were confined to a shallow surface layer (< 5 mm). Surface concentrations declined rapidly following precipitation and tidal inundation. The fallout’s thin, transient and patchy distribution would have eluded standard coring methods but was detected through spatially intensive FpXRF sampling, highlighting the importance of rapid detection and the mobilization of metals into wetland ecosystems. These findings underscore the need for adaptive environmental monitoring following battery fires and raise critical considerations for ecosystem protection and infrastructure as energy storage systems expand.

www.nature.com · Nature

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Honič Péra 24 hodin @honicpera@snac.lab8.cz
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Americký prezident dostal od mezinárodní fotbalové federace cenu míru. FIFA ji udělila vůbec poprvé, a to právě Trumpovi, který se netají ambicí získat prestižní Nobelovu cenu za mír.
🔵 Prezident se sám dekoroval medailí, která k ceně patří, v rámci ceremoniálu k rozlosování Světového šampionátu ve fotbale 2026.

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Honič Péra 24 hodin @honicpera@snac.lab8.cz
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V čele strany PRO zůstává Jindřich Rajchl. Ve funkci ho potvrdili delegáti republikového sněmu. Politický subjekt disponuje jediným poslancem – právě Jindřichem Rajchlem. Ten kritizuje Evropskou unii i pomoc bránící se Ukrajině. Ve volbách získal mandát na kandidátce SPD. Spolupracovat chtějí i dál.

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gigabecquerel @gigabecquerel@chaos.social
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Shared by ✧✦Catherine✦✧

All non-annealed parts show cracks and none of the annealed parts do, I could not have hoped for a better result!
The gluing itself didn't introduce much stress in the annealed parts, but you can see the position of the cracks in the polariscope image of the non-annealed parts.

I'm really happy with these results, the solution to these cracks is very simple, easy and so effective!

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Jules @afewbugs@social.coop
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One of my favourite Mastodon things is you have people with account names like CapitalismMustFall@SmashThe.System posting about gardening and baking biscuits and people with names like ANiceCupOfTea@Friendly.Cafe cutting the power lines to arms factories

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Rev. Poppy Haze 𓅋 @poppyhaze@girlcock.club
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Shared by ✧✦Catherine✦✧

the 6.8mm is another "fighting the last war" weapon.

In the mountains of Afghanistan, the Taliban used PKMs to plink in a guerilla war, so big Army wants a new gun

As Ian says, one-way drones and hell, a single Designated Marksman can handle it
youtu.be/kqlKXrwmRMQ

Why the M7 and 6.8x51mm are Bad Ideas: Welcome to my TED Talk

NATO Cold War Battle Rifles and much more: https://www.headstamppublishing.comCappy Army video on the SIG M7A1:https://www.youtube.com/watch?v=n06vpf-vaSgCBJ...

www.youtube.com · YouTube

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Hacker News 100 @hn100@social.lansky.name
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The unexpected effectiveness of one-shot decompilation with Claude

Link: blog.chrislewis.au/the-unexpec
Discussion: news.ycombinator.com/item?id=4

The Unexpected Effectiveness of One-Shot Decompilation with Claude

A deep dive into how a 'one-shot' Claude headless loop (paired with scoring, defensive tooling, and a simple bash driver) massively accelerates matching decompilation of Snowboard Kids 2 on the Nintendo 64.

blog.chrislewis.au · Chris' Blog

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