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Security updates for Monday

Security updates have been issued by AlmaLinux (kernel-rt and openssl), Debian (ca-certificates, chromium, gegl, glib2.0, libvpx, modsecurity-crs, nova, and pillow), Fedora (chromium, mingw-libpng, mupdf, python-pyasn1, python-PyMuPDF,...

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How Safe Are Old Airbags, Anyway?

Automotive airbags are key safety devices that aim to reduce injuries and mortality in the event of motor vehicle accidents. These rapidly-inflating cushions act to soften...

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Python for Loops: The Pythonic Way

Python’s for loop allows you to iterate over the items in a collection, such as lists, tuples, strings, and dictionaries. The for loop syntax declares a...

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Fragments: February 23

Do you want to run OpenClaw? It may be fascinating, but it also raises significant security dangers. Jim Gumbley, one of my go-to sources on security,...

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On the Security of Password Managers

Good article on password managers that secretly have a backdoor. New research shows that these claims aren’t true in all cases, particularly when account recovery is...

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Calculus by Oscilloscope

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even...

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Quiz: Build a Hash Table in Python With TDD

In this quiz, you’ll review hash functions, collision resolution strategies, hash function distribution, the avalanche effect, and key principles of Test-Driven Development. For more practice and...

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AI for Cybersecurity: Promise, Practice, and Pitfalls

AI is revolutionizing the cybersecurity landscape. From accelerating threat detection to enabling real-time automated responses, artificial intelligence is reshaping how organizations defend against increasingly sophisticated attacks.But...

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A Candle-Powered Light

For a little over two thousand years, the primary light sources after the sun had set were oil lamps and candles. This was well before the...

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The Age-Verification Trap

Social media is going the way of alcohol, gambling, and other social sins: Societies are deciding it’s no longer kid stuff. Lawmakers point to compulsive use,...

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rm Cheatsheet

Basic Syntax # Core command forms for file and directory removal. Command Description rm [OPTIONS] FILE... Remove one or more files rm -r [OPTIONS] DIRECTORY... Remove...

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Kernel prepatch 7.0-rc1

Linus has released 7.0-rc1 and closed the merge window for this development cycle. “You all know the drill by now: two weeks have passed, and the...

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Hackaday Links: February 22, 2026

We’ll start things off this week with some breaking news from NASA: just days after the space agency announced the Artemis II crew was preparing to...

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Rust debugging survey 2026

We’re launching a Rust Debugging Survey. Various issues with debugging Rust code are often mentioned as one of the biggest challenges that annoy Rust developers. While...

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mv Cheatsheet

Basic Syntax # Core command forms for move and rename operations. Command Description mv [OPTIONS] SOURCE DEST Move or rename one file/directory mv [OPTIONS] SOURCE... DIRECTORY...

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Poem: The Attraction of Blackberries

The first time she tried to seduce me,(atoms falling in a vacuum)she asked about blackberries—(every mass exerts some gravity) Did I know their season, where they...

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Jonathan Dowland: Lanzarote

I want to get back into the habit of blogging, but I’ve struggled. I’ve had several ideas of topics to try and write about, but I’ve...

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In Praise of the Proof of Concept

Your project doesn’t necessarily have to be a refined masterpiece to have an impact on the global hacker hivemind. Case in point: this great demo of...

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ls Cheatsheet

Basic Listing # Use these commands for everyday directory listing. Command Description ls List files in current directory ls /path/to/dir List files in specific directory ls...

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Sarah Bond is leaving Xbox

Sarah Bond during the May 2024 Bloomberg Technology Summit. | Photo: Bloomberg via Getty Images Sarah Bond, the president and COO of Xbox, is leaving the...

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The CDC Has a Leadership Crisis

A 2023 law championed by Republicans requires the CDC have a director confirmed by the Senate. For months, though, it’s had only acting directors—and the White...

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AI Safety Meets the War Machine

Anthropic doesn’t want its AI used in autonomous weapons or government surveillance. Those carve-outs could cost it a major military contract.

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