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Severs Link Between Dollar and Gold (1971)

https://www.nytimes.com/1971/08/16/archives/severs-link-between-dollar-and-gold-a-world-effect-unilateral-us.html
1•sandwichsphinx•1m ago•0 comments

We asked 9 AI and agent builders about their top problems

https://unionailoop.substack.com/p/we-asked-9-ai-and-agent-builders
1•ablekh•2m ago•0 comments

Non-Concussive Head Impacts and Brain Microstructure, Chemistry and Function

https://sportsmedicine-open.springeropen.com/articles/10.1186/s40798-025-00867-0
1•PaulHoule•3m ago•0 comments

Convert Pixel-Art-Style Images from GPT-4o into Usable Assets

https://github.com/KennethJAllen/proper-pixel-art
1•kennethmath•4m ago•0 comments

Even if it's fake it's real

https://sippey.com/2010/11/even-if-its-fake-its-real.html
1•sebg•6m ago•0 comments

Crowd Express: Boarding Puzzle Level Guides

https://crowdexpress.org
2•wsljhint•10m ago•0 comments

"Greenlights" offers a playbook for entrepreneurs in

https://www.skmurphy.com/blog/2025/07/06/matthew-mcconaughey-offers-a-playbook-in-greenlights/
3•skmurphy•12m ago•1 comments

Florida AG Probes Robinhood Crypto

https://www.aol.com/florida-ag-probes-robinhood-crypto-223006094.html
6•Bluestein•14m ago•0 comments

The US's New Shipbuilding Strategy Is Unlikely to Work

https://www.bloomberg.com/news/articles/2025-07-11/trump-s-fees-on-china-s-cargo-ships-aren-t-enough-to-revive-us-shipyards
7•Bluestein•17m ago•0 comments

Show HN: gRPC to MCP Gateway – Let AI models call your existing gRPC services

https://github.com/aalobaidi/ggRMCP
1•ahmedobaidi•17m ago•0 comments

European leaders announce new equity fund for Ukraine and urge investment

https://www.latimes.com/world-nation/story/2025-07-10/european-leaders-announce-new-equity-fund-for-ukraine-and-urge-investment-even-as-war-accelerates
5•Bluestein•19m ago•0 comments

Chrome's hidden X-Browser-Validation header reverse engineered

https://github.com/dsekz/chrome-x-browser-validation-header
2•dsekz•19m ago•2 comments

A Bicycle for the Mind

https://jamesgurney.substack.com/p/a-bicycle-for-the-mind
1•Balgair•23m ago•0 comments

Why Textile Brands Need Supply Chain Traceability

https://everycred.com/blog/textile-supply-chain-traceability/
1•ethanleetech•25m ago•1 comments

Stress is wrecking your health: how can science help?

https://www.nature.com/articles/d41586-025-02066-z
1•bookofjoe•25m ago•1 comments

Show HN: Intermittent Fasting Calculator – Plan Meals and Fasting Times

https://intermittentfastingcalculator.org/
1•MatthewTKD•26m ago•0 comments

Study: Apple's newest AI model flags health conditions with up to 92% accuracy

https://9to5mac.com/2025/07/10/study-apple-ai-model-flags-health-conditions-with-up-to-92-accuracy/
3•mgh2•33m ago•0 comments

Jack Dorsey says his 'secure' new Bitchat app has not been tested for security

https://techcrunch.com/2025/07/09/jack-dorsey-says-his-secure-new-bitchat-app-has-not-been-tested-for-security/
1•jrflowers•35m ago•0 comments

Give Me Some Advice

3•bigbaldhead•41m ago•6 comments

My Journey to Build a Working Tesla Coil

https://sandman2127.github.io/design/Tesla_Coil/
1•1970-01-01•43m ago•0 comments

Track Work, Progress and Performance Instantly – Zero Manual Updates

2•heyitsapu•53m ago•0 comments

Show HN: Looking for Beta Testers: Run AI-Generated Code in AgentSphere Sandbox

1•AgentSphere•56m ago•0 comments

Concurrent Programming with Harmony

https://harmony.cs.cornell.edu/book/
1•todsacerdoti•57m ago•0 comments

Show HN: Intuitive Layout Image Generation Prompt Generator

https://rymajp.com/ipgen
1•acdev•58m ago•0 comments

Nerve pain drug gabapentin linked to increased dementia, cognitive impairment

https://medicalxpress.com/news/2025-07-nerve-pain-drug-gabapentin-linked.html
4•clumsysmurf•1h ago•0 comments

Netflix Tudum Architecture: From CQRS with Kafka to CQRS with Raw Hollow

https://netflixtechblog.com/netflix-tudum-architecture-from-cqrs-with-kafka-to-cqrs-with-raw-hollow-86d141b72e52
2•soheilpro•1h ago•0 comments

Budget limits at DHS delayed FEMA's Texas deployment

https://www.washingtonpost.com/climate-environment/2025/07/10/fema-texas-flooding-dhs-search-rescue/
4•KnuthIsGod•1h ago•0 comments

The first intelligent screenshot tool of the AI era

https://github.com/zhushen12580/smart-screenshot
2•zane12580•1h ago•0 comments

Hard Usernames for Games Generator

https://hardusernames.com/en/hard-usernames-for-games
1•labubulive•1h ago•0 comments

The Egos at id (Software)

https://www.marclaidlaw.com/the-egos-at-id/
1•neko_ranger•1h ago•0 comments
Open in hackernews

Ask HN: Why is big O often used in CS when omega or theta should be used?

2•amichail•2mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•2mo ago
Finding lower bounds is generally more difficult.
amichail•2mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•2mo ago
BigO for lower bounds is plain wrong
numpad0•2mo ago
Those aren't in the ASCII table.
compressedgas•2mo ago
I've found some people on a well known QA site to be so strict with big-O notation that I don't use it anymore and instead only refer to constant, linear, quadratic time and so on. Even when O(1), O(n), O(n^2) would be actually easier to write even if they are technically wrong.