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Dev

@sincerely.dev

I mostly post about birds, food, and fun. I am helping Microsoft build the new storage stack for Azure. If you’re in systems I recommend checking out discuss.systems! The cooler social network Washed up, has been systems grad student sincerely.dev

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11.04.2023
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Latest posts by Dev @sincerely.dev

Screenshot of website emulating a green screen terminal connected to a Unix v4 system

Screenshot of website emulating a green screen terminal connected to a Unix v4 system

Unix v4 circa 1973 available from your browser at unixv4.dev from discuss.systems/@danielcowen...

30.12.2025 20:05 👍 4 🔁 2 💬 0 📌 0

Hey atproto folks, I want feedback on some data gathering. I'm trying to get accurate monthly active user counts for each PDS.

21.11.2025 18:27 👍 3 🔁 1 💬 3 📌 1
A jack-o-lantern on someone’s porch steps. The pumpkin is old and starting to rot in such a way that it looks like an old man with no teeth, making a grumpy expression, with the top also falling in. This pumpkin has seen some stuff.

A jack-o-lantern on someone’s porch steps. The pumpkin is old and starting to rot in such a way that it looks like an old man with no teeth, making a grumpy expression, with the top also falling in. This pumpkin has seen some stuff.

Anyway please enjoy this pumpkin I saw yesterday

20.11.2025 16:46 👍 8402 🔁 994 💬 258 📌 198
Illustration of a scuba diver in an underwater cave being alarmed at the precipice of a steep drop. The diver is you. The drop is Cutting sour gummy worms from your life.
The lowest point after the drop is Misery from sour gummy worm cravings. The upward section of cave leading to the surface after that is Building better habits, taking swigs of lemon juice here and there. The surface is Happy life, free from the influence of sour gummy worms.

(other sour gummy creatures still ok)

Illustration of a scuba diver in an underwater cave being alarmed at the precipice of a steep drop. The diver is you. The drop is Cutting sour gummy worms from your life. The lowest point after the drop is Misery from sour gummy worm cravings. The upward section of cave leading to the surface after that is Building better habits, taking swigs of lemon juice here and there. The surface is Happy life, free from the influence of sour gummy worms. (other sour gummy creatures still ok)

🪱

23.09.2024 09:46 👍 331 🔁 35 💬 8 📌 2
Woodcarved sculpture of a really round capybara on a workbench, next to a carving knife. Seen from its left side

Woodcarved sculpture of a really round capybara on a workbench, next to a carving knife. Seen from its left side

The sculpture seen from behind, it is almost pear shaped

The sculpture seen from behind, it is almost pear shaped

Seen by the front, 3/4

Seen by the front, 3/4

Seen from its right side

Seen from its right side

New capybara just dropped
(Commissioned)

24.10.2025 11:13 👍 1715 🔁 421 💬 25 📌 13
Post image

is it … in pain?

09.10.2025 03:44 👍 8 🔁 1 💬 2 📌 0
ionchy @ionchy.ca • 2d
I really hope Australia wins Eurovision this year

ionchy @ionchy.ca • 2d
"that's half the size of a football field, or a quarter of two"

•
ionchy @ionchy.ca • 21m
rip Australia

ionchy @ionchy.ca • 2d I really hope Australia wins Eurovision this year ionchy @ionchy.ca • 2d "that's half the size of a football field, or a quarter of two" • ionchy @ionchy.ca • 21m rip Australia

A story in 3 acts

15.05.2025 21:45 👍 1 🔁 0 💬 0 📌 0
376 / 1000
Highly Engaging Explorer
Reply Guy
681 days old
Dev @sincerely.dev
Bluesky Score: 292
AT Proto Score: 85
Bluesky Status: Barely Active
AT Proto Status: Inactive

376 / 1000 Highly Engaging Explorer Reply Guy 681 days old Dev @sincerely.dev Bluesky Score: 292 AT Proto Score: 85 Bluesky Status: Barely Active AT Proto Status: Inactive

I’m owned

20.02.2025 17:38 👍 0 🔁 0 💬 0 📌 0

🥰

20.02.2025 04:19 👍 0 🔁 0 💬 0 📌 0

Wonder how many nuts they’ve hatched so far

09.02.2025 07:57 👍 2 🔁 0 💬 0 📌 0
Preview
Consistency of a Dependent Calculus of Indistinguishability | Proceedings of the ACM on Programming Languages The Dependent Calculus of Indistinguishability (DCOI) uses dependency tracking to identify irrelevant arguments and uses indistinguishability during type conversion to enable proof irrelevance, suppor...

Our POPL 2025 paper, Consistency of a Dependent Calculus of Indistinguishability, is officially out!
doi.org/10.1145/3704...
This is work by Yiyun Liu @ohqo.bsky.social, me, and Stephanie Weirich, proving consistency, normalization, and decidability of type checking for DCOIω. 1/3

10.01.2025 22:17 👍 16 🔁 7 💬 1 📌 1
"fell for it again award" meme for the Wheel of Fortune card in Balatro

"fell for it again award" meme for the Wheel of Fortune card in Balatro

06.01.2025 01:09 👍 0 🔁 2 💬 0 📌 0
A digital illustration of an opossum mixed with a dandelion. Its face and neck are made from yellow petals and its body has green leaves sprouting from it. Its tail has a poofy seed head on it.

A digital illustration of an opossum mixed with a dandelion. Its face and neck are made from yellow petals and its body has green leaves sprouting from it. Its tail has a poofy seed head on it.

I was reminded that I haven’t shared this cutie in a while.
Dandelion Opossum - 2019

[ #art #illustration #botanimals ]

03.01.2025 16:11 👍 2626 🔁 796 💬 25 📌 5

@sidvee.bsky.social I’ve really enjoyed the Indian team selection discussion this series on 81 all out, would love it for the next one if you discussed it wrt Australia. They’ve gone in with 3 pacers and a spinner all series, and suffered, drawing games they could have won.

28.12.2024 04:15 👍 1 🔁 0 💬 0 📌 0
YOU CAN'T REJECT MY PAPER ON CHRISTMAS EVE!
YULE REGRET THIS!

transit advisor from simcity 2000

YOU CAN'T REJECT MY PAPER ON CHRISTMAS EVE! YULE REGRET THIS! transit advisor from simcity 2000

My message to Eurosys

27.12.2024 17:36 👍 8 🔁 2 💬 0 📌 0
IBM Design Language – Color The IBM Color palette is blue at the core, expanding across color families and gradients, using specifications to represent mankind and machine in action.

Have you seen www.ibm.com/design/langu...

That’s what I now use for my graphs and diagrams

05.12.2024 06:11 👍 1 🔁 0 💬 0 📌 0
 #dc267f 
 #fe6100 
 #ffb000 
 #648fff 
 #785ef0

#dc267f #fe6100 #ffb000 #648fff #785ef0

IBM colourblind-safe palette pride flag
lospec.com/palette-list...

01.12.2024 00:42 👍 20 🔁 2 💬 4 📌 0

Sorry D:

26.11.2024 00:02 👍 0 🔁 0 💬 0 📌 0

I wish these things surprised me 😞

24.11.2024 17:23 👍 0 🔁 0 💬 0 📌 0
discuss.systems Discussion of computer systems research & practice -- OSes, distributed systems, networks, databases, architecture, etc -- for researchers, academics, & professionals.

Scattered sadly, we have a bunch on discuss.systems, some here, some still on Twitter

24.11.2024 17:22 👍 0 🔁 0 💬 1 📌 0

After waiting 7 months and finally emailing them to enquire the status, today I learned that UCSC simply forgot to issue my PhD.

This is not a serious school.

19.11.2024 21:24 👍 3 🔁 0 💬 1 📌 0

Let me just remind you about the rents in Santa Cruz (ucop.edu/enrollment-services/d…) where most grads pay 40–50% of their stipend on rents to live in a shared house.

I’ve never seen a system run by a bigger bunch of clowns.

17.11.2024 17:31 👍 1 🔁 1 💬 0 📌 0

I recommend against going to UCSC (or any other UC) for grad school until they fix their ways.

The incompetent admin is demanding repayment from students (funds which came from grants, not the UC) for “overpayment” because of strikes.

recurse.social/@redmp/11349...

17.11.2024 17:30 👍 2 🔁 1 💬 1 📌 0
discuss.systems Discussion of computer systems research & practice -- OSes, distributed systems, networks, databases, architecture, etc -- for researchers, academics, & professionals.

Heard there are more people here now. Howdy! I’m still primarily on discuss.systems, but will poke my head in here once in a while

15.11.2024 14:22 👍 2 🔁 0 💬 0 📌 0
me when uhmmm
Ummm LIES LIES FALSEHOODS i like LYING i'm a MISinFoRMATION
SPREADER i like PROPAGATING UNVERIFIABLE FACTS OVER THE INTERNET

me when uhmmm Ummm LIES LIES FALSEHOODS i like LYING i'm a MISinFoRMATION SPREADER i like PROPAGATING UNVERIFIABLE FACTS OVER THE INTERNET

Provide accurate information? Never!

04.12.2023 03:29 👍 0 🔁 0 💬 0 📌 0

omg

26.09.2023 17:09 👍 0 🔁 0 💬 0 📌 0
Post image

cat loaf

26.09.2023 00:28 👍 242 🔁 11 💬 8 📌 0
You: cornered cat is DNS

You: cornered cat is DNS

26.09.2023 01:20 👍 0 🔁 0 💬 0 📌 0

I’m no longer ⚠️ invalid handle!

26.09.2023 01:19 👍 3 🔁 0 💬 1 📌 0