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Global hack on Microsoft Sharepoint hits U.S., state agencies, researchers say

https://www.washingtonpost.com/technology/2025/07/20/microsoft-sharepoint-hack/
175•spenvo•23h ago•79 comments

What went wrong inside recalled Anker PowerCore 10000 power banks?

https://www.lumafield.com/article/what-went-wrong-inside-these-recalled-power-banks
188•walterbell•3h ago•76 comments

AccountingBench: Evaluating LLMs on real long-horizon business tasks

https://accounting.penrose.com/
307•rickcarlino•4h ago•76 comments

Don't bother parsing: Just use images for RAG

https://www.morphik.ai/blog/stop-parsing-docs
100•Adityav369•4h ago•24 comments

TrackWeight: Turn your MacBook's trackpad into a digital weighing scale

https://github.com/KrishKrosh/TrackWeight
396•wtcactus•6h ago•102 comments

In a major reversal, the world bank is backing mega dams (2024)

https://e360.yale.edu/features/world-bank-hydro-dams
18•prmph•58m ago•1 comments

Spice Data (YC S19) Is Hiring

https://www.ycombinator.com/companies/spice-data/jobs/RJz1peY-product-associate-new-grad
1•richard_pepper•15m ago

Scarcity, Inventory, and Inequity: A Deep Dive into Airline Fare Buckets

https://blog.getjetback.com/scarcity-inventory-and-inequity-a-deep-dive-into-airline-fare-buckets/
45•bdev12345•2h ago•6 comments

New records on Wendelstein 7-X

https://www.iter.org/node/20687/new-records-wendelstein-7-x
165•greesil•6h ago•77 comments

Show HN: Lotas – Cursor for RStudio

https://www.lotas.ai/
35•jorgeoguerra•3h ago•15 comments

Game Genie Retrospective: The Best NES Accessory Ever Was Unlicensed

https://tedium.co/2025/07/21/the-game-genie-generation/
72•coloneltcb•3h ago•26 comments

Jqfmt like gofmt, but for jq

https://github.com/noperator/jqfmt
108•Bluestein•4h ago•29 comments

Yoni Appelbaum on the real villians behind our housing and mobility problems

https://www.riskgaming.com/p/how-jane-jacobs-got-americans-stuck
19•serviette•1h ago•7 comments

The Fundamentals of Asyncio

https://github.com/anordin95/a-conceptual-overview-of-asyncio/blob/main/readme.md
59•anordin95•3h ago•11 comments

Gemini with Deep Think officially achieves gold-medal standard at the IMO

https://deepmind.google/discover/blog/advanced-version-of-gemini-with-deep-think-officially-achieves-gold-medal-standard-at-the-international-mathematical-olympiad/
375•meetpateltech•5h ago•154 comments

Erlang 28 on GRiSP Nano using only 16 MB

https://www.grisp.org/blog/posts/2025-06-11-grisp-nano-codebeam-sto
43•plainOldText•2h ago•0 comments

Occasionally USPS sends me pictures of other people's mail

https://the418.substack.com/p/a-bug-in-the-mail
124•shayneo•6h ago•119 comments

MIPS – The hyperactive history and legacy of the pioneering RISC architecture

https://thechipletter.substack.com/p/mips
30•rbanffy•3h ago•12 comments

Modern Debian-based Window Maker distribution

https://wmlive.sourceforge.net/
66•Aldipower•5h ago•23 comments

SecretSpec: Declarative Secrets Management

https://devenv.sh/blog/2025/07/21/announcing-secretspec-declarative-secrets-management/
99•domenkozar•5h ago•25 comments

"Changing elves to wolves makes a difference"

https://www.sciencedaily.com/releases/2025/07/250716000855.htm
4•robinhouston•3d ago•0 comments

Amazon and the "Profitless Business Model" Fallacy

https://www.eugenewei.com/blog/2013/10/25/amazon-and-the-profitless-business-model-narrative
63•serviette•2d ago•15 comments

We made Postgres writes faster, but it broke replication

https://www.paradedb.com/blog/lsm_trees_in_postgres
175•philippemnoel•10h ago•40 comments

The Krull dimension of the semiring of natural numbers is equal to 2

https://freedommathdance.blogspot.com/2025/07/the-krull-dimension-of-natural-numbers.html
22•surprisetalk•3d ago•3 comments

Make Map Icons with Orthographic Projections

https://www.esri.com/arcgis-blog/products/arcgis-living-atlas/mapping/custom-orthographic-icons
39•bryanrasmussen•4h ago•0 comments

UK backing down on Apple encryption backdoor after pressure from US

https://arstechnica.com/tech-policy/2025/07/uk-backing-down-on-apple-encryption-backdoor-after-pressure-from-us/
359•azalemeth•7h ago•230 comments

Hiding messages in a deck playing cards

https://asherfalcon.com/blog/posts/3
83•ashfn•3d ago•30 comments

12ft.io Taken Down

https://www.newsmediaalliance.org/takedown-of-12ftio/
92•afeuerstein•2h ago•77 comments

Memory Efficiency in iOS: Reducing footprint and beyond

https://antongubarenko.substack.com/p/memory-efficiency-in-ios-reducing
47•CharlesW•5h ago•18 comments

Show HN: Pogocache – Fast caching software

https://github.com/tidwall/pogocache
43•tidwall•4h ago•17 comments
Open in hackernews

The Missing Guide to Prompt Engineering

https://appetals.com/promptguide/
9•ishwarjha•12h ago

Comments

ishwarjha•12h ago
Prompt engineering isn't going anywhere. People keep saying it's dead, that the next model will make it obsolete. They said the same thing about ChatGPT 4, then Claude, then Gemini Pro. Even though the AI models are becoming more powerful each day, a poorly prompted AI response could hinder your ability to get the right results.
jofzar•10h ago
> This is prompt engineering. Though the term suggests something mechanical, something reducible to formulas and best practices, the reality proves more nuanced—perhaps more human—than we'd care to admit

Ah nothing like a double emdash early to know that the page is not worth reading.

baal80spam•10h ago
I am waiting for the workaround:

generated_prompt.replace("—","-")

before posting.

simonw•10h ago
This looks AI generated.

There are places where it includes citation references like [15] (search for "on complex problems" on https://appetals.com/promptguide/advanced-techniques-for-pow... ) that are just text, they don't resolve to anything.

Other places repeat the same point twice for no apparent reason - the "Context window" section on https://appetals.com/promptguide/understanding-the-machine-m...

I spotted a few "not X but Y" constructions, like "You'll learn to communicate with AI like a pro, not like someone shouting into the void."

I don't think reading this is a good use of your time.

ishwarjha•10h ago
Not AI generated. I initially thought of giving citations. It's all my study notes.
simonw•10h ago
I actually found the citations on the last page: https://appetals.com/promptguide/references/

If it's not AI generated there's something very weird about your writing style.

This page in particular comes across as straight up LLM hallucination: https://appetals.com/promptguide/resources-and-tools-for-pro... - it lists "Prompt Engineering Discord" and "LinkedIn Prompt Engineering Groups" without providing links to anything, then lists "Legal Prompts Library" and "Marketing Prompts Collection" and "Developer Prompts Repository" under "Industry-Specific Collections", each with three bullet points and again without linking to anything.

easyjohnny•10h ago
I'm a bit tired of prompting guides that basically revamp https://arxiv.org/abs/2406.06608
kingkongjaffa•10h ago
There's other criticism here about the writing quality (AI generated) but it's also quite out of date content-wise.

> Start with a basic prompt >Add Chain-of-Thought reasoning >Implement self-criticism >Add format constraints >Compare the quality and reliability of results

The 'techniques' are incredibly basic and Chain of thought isn't really relevant today considering there are models with COT 'baked in' i.e. the 'thinking mode' class of models.

kingkongjaffa•10h ago
That being said I would love a up to date prompt engineering guide for getting the most out of the latest models in July 2025.

There doesn't seem to be too many incantations like there were before "think step by step".

The best thing I have found to use is meta prompting i.e. make a prompt designed to create prompts, and then use that resulting prompt to make specific targeted prompts.

You can then store these as custom GPTS in chatGPT or Claude projects.

satiated_grue•9h ago
Why have so many non-engineering things become "engineering"?

Prompting -> "prompt engineering".

"sudo make me a sandwich" -> privilege-escalation engineering while process engineering a food engineer.