sojournTime @sojournTime@social.cleverlibre.org

Online communities are deeply interconnected and interdependent.

@jdfoote argues that systems theory can help us to study interdependencies, and that online platforms have the sort of data that is enabling really exciting new research. https://blog.communitydata.science/a-systems-approach-to-studying-online-communities/

You don't have to do everything in your head. We have paper for a reason.

Y Combinator advises Startup Founders to ‘plan for the worst’ amid market teardown

https://techcrunch.com/2022/05/19/yc-advises-founders-to-plan-for-the-worst/

@christianp

For me, this is the best method to solve #quadratic #equations (better than completing squares, general quadratics formula, factorization, ...)

https://twitter.com/l_d_hodge/status/546712133732696064

(Credits from "l hodge" - @l_d_hodge on twitter)

It's easy to understand, it works with $a \neq 1$ and it has meaning.

It's based on change of variables and #symmetry

Something else associated with squiggles.

#mathart #mathsart

In my reading on the use of differential Privacy in the US census, it's surprising to me how much controversy there was around the revelation that pre-DP census data was known to be inaccurate and biased. But because users had nothing to compare it to, they simply accepted it as ground truth. The proposal to use DP shattered their false belief by bringing the uncertainty to the forefront and allowing one to quantify it, rather than having the bias be confidential

Hello! My name is Colin and I am a mathematician.

Today is the birthday of Maria Gaetana Agnesi, who wrote the first book about integration *and* differentiation. If you need help making difficult things simpler, give me a shout -- I'm usually happy to help.

New meme format.
https://somethingorotherwhatever.com/didnt-graduate-texts-generator/

Polyomino loops: https://medium.com/swlh/polyomino-loops-fc8f6fc92c2f

Matthew Yuan wonders, if you play billiards in a polyomino and try shooting a ball diagonally from the midpoint of each of the polyomino edges, how to count the number of loops that these billiard paths will link up into. It's somewhat related to the African lusona drawings that I discussed at https://11011110.github.io/blog/2020/08/02/sona-enumeration.html.

Okay, those black-hole researchers clearly use #Ubuntu.

https://www.maxdh.info/math/link/random-structure/

Two mathematicians messing around on Discord. With @saulsch.

@Placholdr This is the practice, in programming, of explaining your problem to a literal rubber duck. Often the process of explaining the problem helps you figure it out.

https://en.wikipedia.org/wiki/Rubber_duck_debugging

There does also seem to be an effect where, the more publicly you post your confusion, the more quickly you realize your silly mistake. Finally, in the classroom, your ability to do math is inversely proportional to your proximity to a whiteboard.

@Placholdr You figured it out *because* you posted the question. #RubberDucking

Who called them dog breeds and not barketypes?

here's a showcase of some of the animations!

Sometimes #learning more about something does not feel like gaining knowledge, but more like the stupid (misconceptions and simplifications you believed to be true) leaving your body.
#randomthoughts

Required reading for DB Architects

https://databasearchitects.blogspot.com/2021/06/what-every-programmer-should-know-about.html?m=1

M1 Data Memory-Dependent Prefetcher Vulnerability: "the vulnerability could allow attackers to siphon off 'at rest' data, meaning the data doesn't even need to be accessed by the processing cores to be exposed"

https://www.tomshardware.com/news/apple-silicon-exclusively-hit-with-world-first-augury-dmp-vulnerability