Make macOS consistently bad (unironically)

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Upgrading to MacOS 26 causes inconsistency issues with rounded windows corners, prompting users to disable system integrity for a workaround. A better solution is to make all corners more rounded, rather than reverting to sharp edges.

Improving Composer through real-time RL

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We use real-time RL to improve coding models like Composer by training on real user interactions and aggregating responses as reward signals. This approach allows us to ship improved Composer versions every 5 hours and adapt to specific organizations or work types.

Velxio 2.0 – Emulate Arduino, ESP32, and Raspberry Pi 3 in the Browser

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Velxio is a free, open-source multi-board emulator for 19 boards with 5 CPU architectures. It runs in the browser with real CPU emulation and 48+ interactive components.

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.

Matlab Alternatives 2026: Benchmarks, GPU, Browser and Compatibility Compared

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Engineers search for MATLAB alternatives due to high licensing costs and MathWorks' shift to subscription-only pricing. Four free options are compared: RunMat, Octave, Julia, and Python.

ISBN Visualization

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Nashville library launches Memory Lab for digitizing home movies

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The Nashville Public Library is launching a free Memory Lab program to help people digitize old home movies, photos, and slides. Anyone can book time to use library equipment and software to convert their family memories into digital files for free.

Show HN: Twitch Roulette – Find live streamers who need views the most

Discover Twitch streamers with little to no viewers and make their day

DOJ confirms FBI Director Kash Patel's personal email was hacked

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Iran-linked hackers broke into FBI Director Kash Patel's personal email, releasing photos and documents from 2010 to 2019. The hack is believed to be in retaliation for the DOJ disrupting the hacker group's websites earlier this month.

Telnyx package compromised on PyPI

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Unauthorized Telnyx Python SDK versions 4.87.1 and 4.87.2 with malicious code were published to PyPI on March 27, 2026. The Telnyx platform and infrastructure were not compromised, but users who installed the package between 03:51 and 10:13 UTC may be affected.

LG's new 1Hz display is the secret behind a new laptop's battery life

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LG Display's Oxide 1Hz technology offers a display that can refresh at 1Hz to save power and up to 120Hz when needed. This technology can save up to 48 percent of battery life and is already being used in Dell's XPS lineup.

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 ...

The Future of SCIP

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Sourcegraph is transitioning SCIP, a language-agnostic protocol, to an independent project with open governance. A Core Steering Committee, including Uber and Meta engineers, will guide SCIP's future development.

Building FireStriker: Making Civic Tech Free

A software engineer built FireStriker, a free platform for community organizations to track legislation, organize members, and manage events. It aims to level the playing field for grassroots groups by providing legislative intelligence and civic engagement tools.

Explore the Hidden World of Sand

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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.

Meow.camera

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Turning on feeder camera, please be patient...

Automatically generate all 3D print files for organizing a drawer

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AI-powered drawer organizer STL generator

Embracing Bayesian methods in clinical trials

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The FDA has issued a draft guidance on using Bayesian methodology in clinical trials of therapeutic agents. This guidance aims to promote the use of Bayesian methods in clinical trials.

‘Energy independence feels practical’: Europeans building mini solar farms

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Europeans are turning to homegrown renewable energy to reduce reliance on imported fossil fuels. Installing solar panels or plug-in solar systems can provide energy independence and lower electricity bills.

Capability-Based Security for Redox: Namespace and CWD as Capabilities

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Ibuki Omatsu is working on "Capability-based security for Redox" funded by NGI Zero Commons and NLnet. He reimplemented namespace management and CWD management using capabilities, simplifying the kernel and improving security and stability.

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.

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.

Why are executives enamored with AI, but ICs aren't?

Executives see AI as a non-deterministic tool that fits their worldview, while individual contributors view it as introducing non-determinism into their deterministic tasks. This divide stems from executives' experience with non-deterministic systems and ICs' focus on precise, reliable output.

Slovenia becomes first EU country to introduce fuel rationing

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Slovenia implements fuel rationing due to global energy disruptions, limiting private motorists to 50 litres per day and businesses to 200 litres. The move attracts 'fuel tourists' from Austria, where prices are higher, causing queues and shortages for locals.

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.

21,864 Yugoslavian .yu domains

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The user downloaded a list of 21,864 domains from the former Yugoslavia's ".yu" top level domain from the Wayback Machine. The list was compiled by crawling links from archived pages and extracting domain names from a list on the website "www.yu".

Gzip decompression in 250 lines of Rust

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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 ...

Should QA exist?

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The author discusses the role of quality assurance (QA) in engineering organizations, arguing that while QA can be valuable, it often slows down engineering velocity and creates handoff problems, and suggests that engineering should own quality with QA as experts. The author proposes redefining the QA role as "Automated Verification Engineers" who focus on making the developer pipeline great ...

Everything old is new again: memory optimization

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A native C++ version of a script to parse and count words in a text file uses significantly less memory than a Python version, with a 98.4% reduction in memory usage. This is achieved by avoiding string objects and using string views, as well as disabling exception support in the C++ runtime.

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.