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We see something that works, and then we understand it

https://lemire.me/blog/2025/12/04/we-see-something-that-works-and-then-we-understand-it/
22•surprisetalk•3d ago

Comments

vlovich123•1h ago
> As a teacher, I can tell you that students get really angry if you put a question on an exam that requires a concept not explicitly covered in class. Of course, if you work as an engineer and you’re stuck on a problem and you tell your boss it cannot be solved with the ideas you learned in college… you’re going to look like a fool.

Very flawed comparison. At work I get to go off and do research, experiments, can collaborate with peers and people who might have more expertise in a given sub problem, and generally have much more time. An exam trying to test you on material you haven’t studied is supposed to test for what? Your ability to synthesize knowledge out of thin air.

The rest of the article is well written and correct, but this particular aside felt weird.

andai•49m ago
I think it depends on the question. If it's not a question of the form explicitly presented before, but answerable with a minute of thinking using the knowledge the student has already mastered, then it makes sense.

A time limited exam is probably the wrong place for that, though, due to the stress interfering with that kind of thinking. It would be better for a homework assignment.

If ChatGPT didn't exist.

Okay, maybe in class, on paper is the right place for that.

cdavid•54m ago
Did not know of the "thinkism" expression. When I was studying in France eng. school, I called that "the mythe du cerveau" (literaly "the brain myth", though does not roll on your tongue as well).

It is guaranteed failure mode of large orgs. Curious to hear about more references on how to fight this at an organization level, besides the one given in the OT.

andai•48m ago
I call this, the way to learn stuff is by doin' stuff.

Also buildin' stuff! (Which is the best type of doin'.)

Show HN: Building a web server in assembly to give my life (a lack of) meaning

https://github.com/imtomt/ymawky
159•imtomt•3h ago•61 comments

Bun's experimental Rust rewrite hits 99.8% test compatibility on Linux x64 glibc

https://twitter.com/jarredsumner/status/2053047748191232310
497•heldrida•20h ago•465 comments

The One Dollar Counterfeiter

https://www.amusingplanet.com/2026/05/emerich-juettner-one-dollar.html
46•cainxinth•2d ago•13 comments

Casio S100X Japanese Lacquer Edition (JP Page Only)

https://www.casio.com/jp/basic-calculators/premium/en-s100x-jc1-u/
74•dr_kiszonka•2d ago•26 comments

Gemini API File Search is now multimodal

https://blog.google/innovation-and-ai/technology/developers-tools/expanded-gemini-api-file-search...
48•gmays•3h ago•4 comments

Internet Archive Switzerland

https://blog.archive.org/2026/05/06/internet-archive-switzerland-expanding-a-global-mission-to-pr...
586•hggh•18h ago•88 comments

I’ve banned query strings

https://chrismorgan.info/no-query-strings
341•susam•13h ago•186 comments

I'm writing a history of Visual Basic, Chapter 1 is up

https://evilgeniuslabs.ca/blog/visual-basic-history-chapter-1-launch
81•speckx•3d ago•22 comments

We see something that works, and then we understand it

https://lemire.me/blog/2025/12/04/we-see-something-that-works-and-then-we-understand-it/
22•surprisetalk•3d ago•4 comments

Local privilege escalation via execve()

https://www.freebsd.org/security/advisories/FreeBSD-SA-26:13.exec.asc
124•Deeg9rie9usi•9h ago•70 comments

Zed Editor Theme-Builder

https://zed.dev/theme-builder
191•cuechan•12h ago•57 comments

The Serial TTL connector we deserve

https://kohlschuetter.github.io/blog/posts/2026/05/07/serial-ttl-connector/
77•kohlschuetter•2d ago•53 comments

Show HN: I made a Clojure-like language in Go, boots in 7ms

https://github.com/nooga/let-go
135•marcingas•12h ago•39 comments

Show HN: Rust but Lisp

https://github.com/ThatXliner/rust-but-lisp
116•thatxliner•8h ago•61 comments

The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962

https://www.righto.com/2024/02/the-first-microcomputer-transfluxor.html
49•rsecora•3d ago•1 comments

Making your own programming language is easier than you think (but also harder)

https://lisyarus.github.io/blog/posts/making-your-own-programming-language.html
76•ibobev•2d ago•36 comments

Debian must ship reproducible packages

https://lists.debian.org/debian-devel-announce/2026/05/msg00001.html
12•robalni•56m ago•1 comments

LLMs corrupt your documents when you delegate

https://arxiv.org/abs/2604.15597
388•rbanffy•21h ago•148 comments

Distributing Mac software is increasing my cortisol levels

https://blog.kronis.dev/blog/apple-is-increasing-my-cortisol-levels
254•LorenDB•15h ago•174 comments

A recent experience with ChatGPT 5.5 Pro

https://gowers.wordpress.com/2026/05/08/a-recent-experience-with-chatgpt-5-5-pro/
623•_alternator_•1d ago•451 comments

CPanel's Black Week: 3 New Vulnerabilities Patched After Attack on 44k Servers

https://www.copahost.com/blog/cpanels-black-week-three-new-vulnerabilities-patched-after-ransomwa...
118•ggallas•13h ago•66 comments

EU Parliamentary Research Service calls VPNs "a loophole that needs closing"

https://cyberinsider.com/eu-calls-vpns-a-loophole-that-needs-closing-in-age-verification-push/
478•muse900•1d ago•319 comments

A construction of the Hat tilings by a Markov partition

https://www.mathstat.dal.ca/~selinger/hat-partition/
4•robinhouston•2d ago•0 comments

Surfel-based global illumination on the web

https://juretriglav.si/surfel-based-global-illumination-on-the-web/
43•vmg12•11h ago•4 comments

Production engineering when trading billions of dollars a day [video]

https://www.youtube.com/watch?v=zR9PpXWsKFQ
113•abstrus•1d ago•32 comments

The hypocrisy of cyberlibertarianism

https://matduggan.com/the-intolerable-hypocrisy-of-cyberlibertarianism/
299•ColinWright•16h ago•266 comments

Sparse Cholesky Elimination Tree

https://www.reidatcheson.com/sparse/linear/cholesky/2026/04/09/etree.html
16•selimthegrim•4h ago•0 comments

Using Claude Code: The unreasonable effectiveness of HTML

https://twitter.com/trq212/status/2052809885763747935
443•pretext•1d ago•249 comments

Meta's embrace of AI is making its employees miserable

https://www.nytimes.com/2026/05/08/technology/meta-ai-employees-miserable.html
366•JumpCrisscross•11h ago•380 comments

France moves to break encrypted messaging

https://reclaimthenet.org/france-moves-to-break-encrypted-messaging
160•Cider9986•8h ago•79 comments