Divyanshu Ranjan's Avatar

Divyanshu Ranjan

@rdivyanshu

https://rdivyanshu.github.io/

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15.11.2024
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Latest posts by Divyanshu Ranjan @rdivyanshu

Preview
How to Write Like A Person Announcing a new seminar for 2026.

lauriepenny.substack.com/p/how-to-wri...

27.02.2026 13:08 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Kyle Mclaughlin in a car speaking into a tape recorder. Subtitles read "Diane, 11:30am, February 24th. Entering the town of Twin Peaks"

Kyle Mclaughlin in a car speaking into a tape recorder. Subtitles read "Diane, 11:30am, February 24th. Entering the town of Twin Peaks"

Happy Twink Peaks day!!!

24.02.2026 11:10 πŸ‘ 34 πŸ” 11 πŸ’¬ 3 πŸ“Œ 1
A photo of an ice cream machine with a sign reading, "Anything is possible with ice cream." Beneath that is a hand lettered sign reading, "No ice cream".

A photo of an ice cream machine with a sign reading, "Anything is possible with ice cream." Beneath that is a hand lettered sign reading, "No ice cream".

2026 basically

18.02.2026 16:23 πŸ‘ 40990 πŸ” 10912 πŸ’¬ 310 πŸ“Œ 339
Human-Centered Programming Languages This book is designed as a flexible textbook for teaching about programming languages through the different kinds of people that study them, and through an interdisciplinary approach. Its largest audi...

bookish.press/hcpl

22.02.2026 04:53 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Logic for Programmers New Release and Next Steps Logic for Programmers v0.13, now with 20% more content!

Wrote a bit about the changes to and timeline for finishing Logic for Programmers in the newsletter buttondown.com/hillelwayne/...

04.02.2026 20:14 πŸ‘ 11 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Seconded

04.02.2026 05:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

To counter my tendency to factor my code in a million different functions, I have configured my editor to gradually reduce the font of each function I create, until they become so hard to read I have to give up. I call that:

Diminishing returns

30.01.2026 06:24 πŸ‘ 76 πŸ” 4 πŸ’¬ 5 πŸ“Œ 0
Someone in a colourful shirt looking at a red film poster 'IL GRANDE RACKET'

Someone in a colourful shirt looking at a red film poster 'IL GRANDE RACKET'

Happy Birthday Racket
28 Jan 1995
racket-lang.org

youtu.be/JnczIyPXGfc

28.01.2026 00:01 πŸ‘ 21 πŸ” 5 πŸ’¬ 0 πŸ“Œ 1

I realized that runtime verification is sort of trace testing but in prod. I am blown away by you have have LTL runtime verification.

21.01.2026 16:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Dr. Kristin Yvonne Rozier - No More Helicopter Parenting: Intelligent Autonomous UAS's
Dr. Kristin Yvonne Rozier - No More Helicopter Parenting: Intelligent Autonomous UAS's YouTube video by NASA's Ames Research Center

www.youtube.com/watch?v=FTxT... is great talk about using runtime monitoring (verification) in context of autonomous flights is great

21.01.2026 07:51 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Runtime verification..

21.01.2026 07:41 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Wow

15.01.2026 12:47 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Happy Pongal "more indian than australian" prof.

15.01.2026 07:47 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Fake news. I listened to it 12 hours before. I want new new one :)

13.01.2026 16:45 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Happy Birthday

13.01.2026 04:57 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I was pointing to personal.cis.strath.ac.uk/conor.mcbrid... but you might be alluding to something else entirely

06.01.2026 20:20 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Is it related to the polynomial testing principle ?

06.01.2026 20:11 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

If you are open for outside contribution, I am willing. Maybe for proof read, write alternate verification or otherwise.

17.12.2025 04:29 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Dafny The Dafny Programming and Verification Language and tools

@sriku.org I saw your comment on hn (title: Dafny: Verification-Aware..), Is course content available online or anyway I can peek into it.

17.12.2025 04:26 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Merriam-Webster’s human editors have chosen β€˜slop’ as the 2025 Word of the Year.

15.12.2025 14:07 πŸ‘ 24053 πŸ” 7281 πŸ’¬ 360 πŸ“Œ 940
Preview
Rustan Leino - part I Spotify video

A couple weeks ago I had the great pleasure of inviting Rustan Leino (of Dafny fame) on my podcast, to talk about all sorts of logic stuff!

Part II to come soon!
open.spotify.com/episode/4d9J...

01.12.2025 22:14 πŸ‘ 8 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0

Wow! I requested it last year. Thanks

02.12.2025 09:54 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

We cross our bridges when we come to them and burn them behind us, with nothing to show for our progress except a memory of the smell of smoke, and a presumption that once our eyes watered.

02.12.2025 04:10 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Congratulations @wickstrom.tech

24.11.2025 08:50 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Post image

New blog post published, on generating error messages and visualization for LTL-based testing.

wickstrom.tech/2025-11-01-e...

01.11.2025 09:06 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Distributed consensus

probably it was this web.archive.org/web/20230609...

24.09.2025 02:53 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I remember reading something good under `https://shachaf.net/w` many years ago but I don't remember what it was about.

24.09.2025 02:19 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
TREE(3) and the Kruskal theorem, Part II Spotify video

New CoL! I actually explain the proof of the tree theorem in painstaking detail. It can't be formalized in PA (and more)!

I love it because it forces me to understand. Will you love it? Let's find out.

open.spotify.com/episode/05Xo...

rss: t.co/7jcP39omIc

16.09.2025 17:54 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

"fstar.exe" on mac and linux :P

20.08.2025 18:11 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Hot take: real numbers are countable

Uncountable reals are a lie by big maths to oppress computer scientists

Don't agree? Construct an uncountable real for me. Oh wait. You can't.

04.08.2025 15:58 πŸ‘ 45 πŸ” 15 πŸ’¬ 2 πŸ“Œ 0