Anatomy of the .claude/ Folder

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Postman released a cost savings analysis comparing AI-native tooling to bolted on AI, and a newsletter explains the anatomy of the .claude folder in Claude Code, which holds project and personal settings, rules, and preferences.

Installing a Let's Encrypt TLS Certificate on a Brother Printer with Certbot

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The user created a Bash script to automatically deploy a Let's Encrypt certificate to their Brother printer using Cloudflare DNS integration, allowing for HTTPS access to the printer's web management portal and IPP connections. The script uses Certbot and the Brother Cert tool to request and deploy the certificate, with the user modifying variables in the script to suit their own printer's ...

Desk for people who work at home with a cat

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The Neko House Desk is a Japanese furniture designed for people who work from home with cats, featuring a two-tier cat space and a "Surprise Cat Hole" for harmonious sharing. It costs 24,800 yen and is available on Amazon Japan, allowing users to work efficiently while keeping their cats happy.

The Last Gasps of the Rent Seeking Class

The US economy has been built on rent-extraction, but human-level AI may disrupt this by making services more efficient and free. The Chinese are leading the open-source model development, which could lead to a shift towards AI as a public utility.

The 'paperwork flood': How I drowned a bureaucrat before dinner

A blind man received a letter from the government asking for updated medical evidence to prove his blindness. He outsmarted the system by faxing a massive, automated document that jammed the office's fax machine, forcing them to accept his evidence.

How and why to take a logarithm of an image [video]

A Faster Alternative to Jq

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jsongrep is a fast JSON search tool that compiles queries into deterministic finite automata (DFAs) for single-pass search. This approach allows jsongrep to outperform other JSON query tools like jq and jmespath in benchmarking tests.

Hold on to Your Hardware

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The hardware industry is shifting towards data centers and away from consumers, leading to rising prices and vanishing consumer choice. This structural shift is driven by high demand from data centers and AI technology, causing a shortage of specific components like RAM and storage.

EMachines never obsolete PCs: More than a meme

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eMachines launched a "Never Obsolete" campaign in 1999 with computers priced at $399-$699, claiming they would never be obsolete despite having outdated specs. The campaign was ironic and humorous, especially considering the company's eventual demise.

Schedule tasks on the web

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Claude Code offers three ways to schedule recurring work: cloud tasks, desktop tasks, and /loop for quick polling. Tasks can be created from the Desktop app, CLI, or web interface.

Apple discontinues the Mac Pro

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Apple has discontinued the Mac Pro, removing it from their website and confirming no future hardware plans. The Mac Studio is now set to be the 'pro' desktop Mac of the future in Apple's lineup.

Gzip decompression in 250 lines of Rust

https://iev.ee/_astro/test1.BTrcHiNH_Z28Lybj.webp
The user implemented a gzip decompressor from scratch in Rust to gain a deeper understanding of how compression works, and found that the core ideas are based on the DEFLATE algorithm and Huffman coding. The DEFLATE algorithm uses LZ77 back-references to replace repeated sequences with shorter codes, and Huffman coding assigns shorter codes to frequent symbols, allowing for efficient ...

Apple says no one using Lockdown Mode has been hacked with spyware

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Apple claims Lockdown Mode prevents successful mercenary spyware attacks on its devices. Experts agree that Lockdown Mode makes it harder for spyware makers to target Apple users, but it's possible some attacks may have been missed.

Sand from Different Beaches in the World

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Beach sands from various locations around the world are composed of a mix of geological and biogenic grains, including volcanic, metamorphic, and sedimentary rocks, as well as marine shell fragments, coral, and foraminifera. The composition of beach sands varies depending on the location, with some beaches having a predominantly geological origin and others having a biogenic origin.

Why so many control rooms were seafoam green (2025)

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A Graphic Designer shares their discovery of a specific seafoam green color used in 1940s industrial design, particularly in the Manhattan Project's control rooms. This color was chosen for its non-distracting and restful properties, as advocated by color theorist Faber Birren.

The European AllSky7 fireball network

The AllSky7 network uses seven highly sensitive cameras to record meteors and fireballs 24/7, covering the full sky with a limiting magnitude of 4 mag. The network's software allows for automatic analysis and sorting of false detections, and data is shared with the public under certain conditions.

People inside Microsoft are fighting to drop mandatory Microsoft Account

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Microsoft is updating Windows 11 to address common issues but still requires a Microsoft account. Microsoft Vice President Scott Hanselman is working to relax this requirement but no committed plan is in place.

Local Bernstein theory, and lower bounds for Lebesgue constants

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The author uploaded a paper on local Bernstein theory and lower bounds for Lebesgue constants, motivated by a problem of Erdős on Lagrange interpolation. The paper modifies classical Bernstein-type inequalities to obtain localized versions.

$500 GPU outperforms Claude Sonnet on coding benchmarks

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ATLAS achieves 74.6% LiveCodeBench pass rate with a frozen 14B model on a single GPU, up from 36-41% in V2. It uses constraint-driven generation and self-verified iterative refinement for self-hosted AI.

Show HN: I put an AI agent on a $7/month VPS with IRC as its transport layer

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The user created a custom AI chatbot, nullclaw, using IRC protocol and Haiku model, which can clone repos, read code, and provide specific answers to questions about their projects. The system has a minimal attack surface, with a public-facing doorman and a private agent, and uses tiered inference to keep costs under $2/day.

Hong Kong Police Can Now Demand Phone Passwords Under New Security Rules

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Hong Kong police can now force device unlock with no warrant, risking jail for refusal. Those who refuse to comply or provide fake credentials face up to three years in jail.

Meow.camera

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explore and share chinese cat feeders

We rewrote JSONata with AI in a day, saved $500k/year

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Reco's Principal Data Engineer Nir Barak used AI to reimplement JSONata 2.x in pure Go, resulting in a 1,000x speedup and saving $500K/year. The new implementation, called gnata, eliminated the need for an RPC fleet and allowed for end-to-end batching in the rule engine, saving another $200K/year.

DOOM Over DNS

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A PowerShell script uses Cloudflare's DNS TXT records to serve the entire DOOM game, compressed into 1964 records across a single zone. This allows users to play DOOM without storing the WAD file on disk, using a .NET game engine and public DNS queries.

Rank the 50 best Apple products

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We will use a modified ELO algorithm to rank Apple products. Users will vote on paired options to contribute to the overall community rankings.

Iran-linked hackers have breached FBI Director Kash Patel's personal emails

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Hackers connected to the Iranian government accessed FBI Director Kash Patel’s personal email and posted materials — including photos and documents — taken from his account, a person familiar with the breach confirmed to CNN. The hackers have published a series of photos of Patel from before he became FBI director that they claim were stolen from his personal email account. A source familiar ...

Running Tesla Model 3's computer on my desk using parts from crashed cars

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The user successfully set up a Tesla Model 3 car computer on their desk by purchasing parts on eBay and using Tesla's electrical reference to connect the components. After several challenges, including a burned power controller chip, the user was able to get the system running and is now exploring the car's operating system and network interfaces.

QRV Operating System: QNX on RISC-V

A developer ported the QNX Neutrino operating system to RISC-V, achieving a working shell prompt after 5 years of work. The project, called QRV, is a ground-up reworking of the 32-bit codebase into a 64-bit system, with deliberate simplifications and a focus on preserving the core architecture.

My minute-by-minute response to the LiteLLM malware attack

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A supply chain attack was discovered on the litellm package on PyPI, which steals credentials and attempts to exfiltrate them to a malicious domain. The attack was reported to PyPI and the litellm maintainers via email, and a tracking issue was created to monitor the situation.

Whistler: Live eBPF Programming from the Common Lisp REPL

Whistler is a Common Lisp-based DSL for eBPF that generates highly-optimized eBPF output and allows for direct inlining of code in Lisp programs. It simplifies the eBPF workflow by allowing developers to write Lisp code for both the BPF and userspace sides, eliminating the need for separate build steps and languages.