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Twttr is a service for friends, family, and co-workers to communicate

https://twttr.eu/
1•doener•41s ago•0 comments

World Models: Computing the Uncomputable

https://www.notboring.co/p/world-models
2•gmays•1m ago•0 comments

Google Sent a Procurement Team to China

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1•jackdilusso•1m ago•0 comments

How I made Traction Point moddable using Zig and WebAssembly

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2•astrobooster•2m ago•0 comments

US debt surpasses $39T, adding $1T in 5 months

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BioContact assurance and status monitoring using human body communication

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Why the game "Tides Of Revival" stopped using Zig

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First Lego League will end in 2027

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YC Founder Demogrpahics

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Llama.cpp chooses to be unstable, or, a mea culpa to Ollama

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Our Commitment to Windows Quality

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3•hadrien01•27m ago•2 comments

Google signed 1 GW of data center demand response

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3•latchkey•31m 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•10mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•10mo ago
Finding lower bounds is generally more difficult.
amichail•10mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•10mo ago
BigO for lower bounds is plain wrong
numpad0•10mo ago
Those aren't in the ASCII table.
compressedgas•10mo 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.