EmDash – a spiritual successor to WordPress that solves plugin security

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Cloudflare's EmDash is a new, open-source CMS built on Astro, aiming to replace WordPress with a more secure, serverless, and AI-friendly platform. EmDash offers improved security, scalability, and ease of use, with features like plugin sandboxing, dynamic workers, and AI-driven content management.

StepFun 3.5 Flash is #1 cost-effective model for OpenClaw tasks (300 battles)

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A public benchmark for evaluating whether AI agents can complete real workflows. Compare model performance and cost-effectiveness on real agent tasks.

Ask HN: Who is hiring? (April 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

Show HN: Real-time dashboard for Claude Code agent teams

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Claude Observe provides real-time visibility into Claude Code sessions, capturing every hook event and streaming it to a live dashboard. This allows users to see exactly what each agent is doing, catch problems as they happen, and debug issues with full payloads.

CERN levels up with new superconducting karts

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CERN engineers developed super-charged karts to speed up work in the Large Hadron Collider tunnel during major works. The karts, inspired by nursery school children's designs, will replace bicycles and enable faster travel through the 27-km tunnel.

Is BGP safe yet?

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BGP security issues allow malicious actors to hijack devices, causing widespread problems. RPKI signing of Internet routes can improve BGP security.

The OpenAI Graveyard: All the Deals and Products That Haven't Happened

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Consider the Greenland Shark (2020)

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Greenland sharks are the planet's longest-lived vertebrates, with some estimated to be between 272 and 512 years old, and have been swimming silently through the northern seas for thousands of years. Despite their slow metabolism and unpleasant appearance, these sharks are a symbol of hope and endurance, and will likely outlast human civilizations and witness future transformations on Earth.

Show HN: Sycamore – next gen Rust web UI library using fine-grained reactivity

https://avatars.githubusercontent.com/u/37006668?v=4
Sycamore is a Rust and WebAssembly-based framework offering fine-grained reactivity and compile-time error checking. It supports Server Side Rendering, SPA mode, and features like async data loading and a built-in router.

Random numbers, Persian code: A mysterious signal transfixes radio sleuths

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A mysterious Persian-language numbers station started broadcasting on February 28, about 12 hours after US and Israel began bombing Iran. The signal was jammed on March 4, leading to speculation about its origin and purpose.

Intuiting Pratt Parsing

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Pratt parsing is a method for parsing expressions with varying precedence by walking back up the spine of the tree when a transition operator appears and building a left-leaning subtree. The Pratt parser uses a recursive descent parser with a call stack to build the tree, and it handles left-associative and right-associative operators by adjusting their left and right binding powers.

Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)

https://opengraph.githubassets.com/179eece63a9eb5f106dd5ffeb676e7ccfe60dfa24304e3385bc8001a8b462d22/califio/publications
FreeBSD 13.5 and later versions have a vulnerability in the RPCSEC_GSS module, allowing a remote kernel code execution attack via NFS. The vulnerability is due to a buffer overflow in the svc_rpc_gss_validate function.

Ada and Spark on ARM Cortex-M – A Tutorial with Arduino and Nucleo Examples

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This tutorial was written for all those who are interested in programming embedded systems and who would like to explore the idea of using Ada and SPARK in systems based on ARM Cortex-M microcontrollers.

Playing Wolfenstein 3D with one hand in 2026

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Like practically everyone who owned a PC in the early ’90s, I tore through the shareware episode of Wolfenstein 3D shortly after it came out. At the time, the game’s mere existence seemed like a magic trick, offering a smooth-scrolling first-person perspective that was unlike pretty much anything I had ever seen. Strictly speaking, the game might have been ironically two-dimensional (lacking ...

Wasmer (YC S19) Is Hiring – Rust and DevRel Positions

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Wasmer is a company working on WebAssembly for cloud computing, using Rust, WebAssembly, and LLVM. They are hiring a Rust software engineer with 3+ years of experience.

Show HN: CLI to order groceries via reverse-engineered REWE API (Haskell)

https://opengraph.githubassets.com/9debcbb94fd1eb85cb46271b04a7a87498863b2c3a0f10098186b5e9f5e0602d/yannick-cw/korb
The korb CLI is a Haskell program that allows users to create baskets and order groceries from REWE markets programmatically. It uses a shared markdown file to store shopping lists and generates a template based on user history and preferences.

Claude Code Unpacked : A visual guide

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Claude Code processes keyboard input from TextInput or piped stdin, then uses a lead agent to break tasks and spawn parallel workers. It also has unreleased features and a virtual pet that lives in the terminal.

Randomness on Apple Platforms (2024)

The user explores various random number generation APIs on Apple platforms, including rand(3), arc4random(3), getentropy(2), CCRandomGenerateBytes, and SecRandomCopyBytes, to determine the best approach for different use cases. The user concludes that for non-security-critical use cases, a custom RNG seeded with getentropy(2) is sufficient, while for security-critical workloads, ...

A dot a day keeps the clutter away

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The author created a simple inventory system using colored dot stickers to track usage of electronic components and tools in their lab. The system reveals patterns and helps the author decide what to keep and what to discard, making it easier to manage their collection.

New patches allow building Linux IPv6-only

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David Woodhouse sent a Linux kernel patch series to deprecate legacy IP support, allowing IPv6-only kernel builds and disabling IPv4 support. The patches add a CONFIG_LEGACY_IP option to toggle IPv4 support, with warnings for legacy IP socket use.

Chess in SQL

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A chess board was rendered in SQL using a pivot technique to transform rows into columns. This technique was used to visualize the game of Paul Morphy against the Duke of Brunswick and Count Isouard in 1858.

Show HN: 1-Bit Bonsai, the First Commercially Viable 1-Bit LLMs

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PrismML's ultra-dense intelligence models, like 1-bit Bonsai, offer significant memory and energy savings. They achieve high performance and accuracy while requiring much less memory and energy than full-precision models.

The Document Foundation ejects its core developers

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Collabora Productivity is leaving The Document Foundation due to unproven legal concerns and exclusion from governance. They plan to continue making LibreOffice contributions and launch their own gerrit for self-hosted FOSS tooling.

AI has suddenly become more useful to open-source developers

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Open-source projects are often maintained by a single person, leaving them vulnerable to being knocked out by a single event. AI tools are becoming more effective in coding and could help maintain legacy codebases, but there are concerns about copyright and AI-generated code quality.

TinyLoRA – Learning to Reason in 13 Parameters

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers propose TinyLoRA to scale low-rank adapters, achieving 91% accuracy on GSM8K with 13 trained parameters. TinyLoRA recovers 90% of performance improvements with 1000x fewer parameters on learning-to-reason benchmarks.

Apple Removes iPhone Vibe Coding App from App Store

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Apple removed Anything app from the App Store for allegedly violating rule 2.5.2, requiring apps to be self-contained. The removal is seen as an escalation of enforcement against vibe coding apps, which assist users in generating apps without coding.

TruffleRuby

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TruffleRuby is a Ruby implementation on the JVM using Graal and Truffle, achieving high performance and simplicity. It was open sourced in 2014 and is now part of GraalVM, sponsored by Shopify since 2019.

What Is Copilot Exactly?

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A coworker of mine told me that he uses Microsoft Copilot frequently. In fact, he said "I don't know how I did my work without it." That came as a surprise to me. I can't stand Copilot. This is a very productive employee, one of those 10x engineers you can throw any problem at and he'll find a solution. Obviously, if he found a use for Copilot, then I was probably holding ...

MiniStack (replacement for LocalStack)

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AWS services run on real infrastructure, including databases, containers, and caching. LocalStack offers a Pro version with real infrastructure support for AWS services.

Bring Back MiniDV with This Raspberry Pi FireWire Hat

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You're using a Raspberry Pi with a FireWire HAT and PiSugar3 Plus battery to create a portable MRU for older FireWire cameras, replacing tape and allowing for archiving of MiniDV tapes. This setup can also be used with other FireWire devices and is a cost-effective alternative to buying an old used MRU.