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How to have doas insult you (with insults straight from deraadt@):

jo.ie/doas-insults.html

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Success! After wrangling with radeondrm/EFI issues, I finally managed to get 6.3 running on my old iMac with multiple monitors fully supported (thanks to some manual modeline work with cvt and xrandr)

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Update/expansion of my intro last year. I'm now going into fourth year maths rather than theoretical physics, having switched degrees. (That's assuming I pass some exams this week that I deferred due to illness).

I brew beer as a hobby, and code when I have spare time. I enjoy writing science fiction, but I'm a long way away from publishing anything.

I have 111 characters spare so: My favourite equation is $\int_M \mathrm{d}\omega = \int_{\partial M}\omega$

Joe boosted

Joe boosted
Joe boosted

Sucht ihr nach einem neuen Bastelprojekt? Wie wäre es mit dem TTL-Mikrocomputer @gigatronTTL, präsentiert von Marcel van Kervinck auf dem VCFB 2019? vcfb.de/2019/ausstellungen.htm Alles zum Gigatron findet ihr hier: gigatron.io/

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Be sure to test this! jcs@ has done the seemingly impossible, in addition to further refining the pledges for Firefox, and adding new pledges for the GPU process, he's also done the heavy lifting to add unveil(2) support! Reducing the very broad {r,w,c}path filesystem access.

#OpenBSD

RT @jcs@twitter.com I've been working on enhancing the security of OpenBSD's Firefox port over the past couple weeks and would like some wider testing jcs.org/patches/ff-port-unveil

Joe boosted

Google kind of sucks. I am curious about how close to the speed of light we can get (in a spaceship for instance). We're not even close to 0.01c as things stand, but I have many questions: are there engineering reasons to believe we will/won't get to p*c for any p? What tech is being proposed/ruled out etc. no matter what I search, google shows me things like "why can't we/what would happen if we go faster than light?" and all sorts of intro stuff that I already know.

based laser at my workplace

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Wow, we did not expect the level of interest you all have had in the #PineTime!

- Cost will be approximately 25USD
- Charging dock included in price
- Built-in heartbeat monitor
- Case built of Zinc alloy and plastic
- Battery life measured in days
- Sorry, can't run Linux itself. SoC is nRF52832, which uses a Cortex-M4 core. That's why we need FreeRTOS :)

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This is the PineTime. A companion for your Linux smartphone, and new side-project of ours. More news coming in the future...

(If you have experience with FreeRTOS or mbed, and are interested, please get in touch!)

Ugh. Library online fee payment system works in but not .

Joe boosted

Hey Fediverse! What's your favorite #BSD? (I only have 4 options here so I picked the most popular ones :/) #FreeBSD #OpenBSD #NetBSD #DragonflyBSD #Unix

Dosmaoinimh!

appears to be down

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Please stop reporting bugs against #OpenBSD 6.6-beta (GENERIC.MP) kernel #262

kernel #262 panics in unpredictable ways

​​ Do Not Run Kernel #262

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Given $M, N$, matrices, let
$m_{ij} = \lfloor \log_2 M_{ij} \rfloor$
and similarly for $n$. Then $M_{ij} \approx 2^{m_{ij}}$. Define $m \star n$ by
$(m \star n)_{ij} = \max_k (m_{ik} + n_{kj}),$
This gives us an approximation $(M \cdot N)_{ij}\approx 2^{(m \star n)_{ij}}$

Has anyone here encountered this before? It's essentially floating point matrix multiplication without the mantissa bits, but I'm wondering if there are any papers or resources dealing with it.

I say "essentially", but I just mean "similar to"

Given $M, N$, matrices, let
$m_{ij} = \lfloor \log_2 M_{ij} \rfloor$
and similarly for $n$. Then $M_{ij} \approx 2^{m_{ij}}$. Define $m \star n$ by
$(m \star n)_{ij} = \max_k (m_{ik} + n_{kj}),$
This gives us an approximation $(M \cdot N)_{ij}\approx 2^{(m \star n)_{ij}}$

Has anyone here encountered this before? It's essentially floating point matrix multiplication without the mantissa bits, but I'm wondering if there are any papers or resources dealing with it.

4 years of commuting in and out of university, and *now* the bus gets working air conditioning

Joe boosted

after 4.69 years of uptime and over 16 years of continuous service our very last 64 bit DEC Alpha retired itself early this morning. @netbsd #bsd #rip #thankyou #goodbye

Joe boosted

“Sorry, your browser isn’t supported. Trying using a browser from the company that is eating the internet.”

Mmmmmm try fucking off.

A Mastodon instance for maths people. The kind of people who make $\pi z^2 \times a$ jokes.
Use $ and $ for inline LaTeX, and $ and $ for display mode.