Facts about throwing good parties

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Angela, a New York socialite, shares 21 party hosting tips to ensure a fun and stress-free experience. She prioritizes ease and serenity, invites close friends early, and uses apps to manage guest lists.

Linux gamers on Steam cross over the 3% mark

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Linux gamers on Steam have reached 3% in the October 2025 Steam Hardware & Software Survey, equating to millions of users. This trend is expected to continue with the Steam Deck and potential Steam Frame release.

How I use every Claude Code feature

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The user discusses their experience with Claude Code, a coding agent, and shares their approach to using it effectively, including maintaining a CLAUDE.md file and using hooks to enforce state validation. They also highlight the importance of using the Claude Code SDK for building internal tools and prototyping new agents, and discuss their settings.json configurations for debugging and ...

URLs are state containers

The author discovered that URLs can be used as state containers in modern web applications, storing information and making it shareable and recoverable. Good URL design is essential for creating a user-friendly and predictable experience, and it can be used to encode state, preserve context, and enable sharing.

Paris had a moving sidewalk in 1900, and a Thomas Edison film captured it (2020)

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The Paris Expo 1900 featured a moving sidewalk that amazed visitors, including Thomas Edison, who filmed it. The innovation was not new, as a similar system was patented in 1871 and built for the 1893 Columbian Expo in Chicago.

Using FreeBSD to make self-hosting fun again

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User needed a fresh start with technology and found it in BSD operating systems, specifically FreeBSD. They appreciate its simplicity, good documentation, and long-term compatibility, and are enjoying the learning process.

Notes by djb on using Fil-C

The user is experimenting with the new memory-safe C/C++ compiler Fil-C, which has shown good compatibility with various libraries and applications, and is working on making it compatible with Debian packages. The user has created scripts to help install and compile Fil-C, and is working on building Debian packages with Fil-C as the compiler, with the goal of creating a new architecture for ...

Tongyi DeepResearch – open-source 30B MoE Model that rivals OpenAI DeepResearch

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Tongyi DeepResearch is a fully open-source Web Agent that achieves performance on par with OpenAI's DeepResearch, demonstrating state-of-the-art results in complex information-seeking tasks and systematically outperforming existing proprietary and open-source agents. The model's training pipeline involves Agentic Continual Pre-training, Supervised Fine-Tuning, and Reinforcement Learning, with ...

Backpropagation is a leaky abstraction (2016)

Implementing backpropagation manually helps understand its unintuitive effects, such as sigmoid saturation, dead ReLUs, and exploding gradients in RNNs. Ignoring these effects can lead to poor network performance, making it essential to grasp backpropagation to build and debug neural networks effectively.

Anti-cybercrime laws are being weaponized to repress journalism

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Nigeria's Cybercrime Act is used to suppress journalism, with journalists facing prosecution for publishing investigative reports on corruption. The law's vague language allows authorities to gag investigative journalism, creating a chilling effect in the nation's civic space.

Why don't you use dependent types?

The author discusses the use of proof objects in type theories and how they can be unnecessary and a waste of space. They mention their experience with AUTOMATH and Martin-LΓΆf type theory, and how they eventually chose to make Isabelle generic.

At the end you use `git bisect`

Interviews require learning algorithms like binary search, which has real-life applications such as git bisect to find a bug's commit. Git bisect uses binary search to identify the exact commit causing a test failure in a large repository.

X.org Security Advisory: multiple security issues X.Org X server and Xwayland

X.Org released security fixes for xorg-server-21.1.19 and xwayland-24.1.9 to address multiple issues. Fixes include use-after-free and value overflow vulnerabilities in X server and Xwayland implementations.

New South Korean national law will turn large parking lots into solar farms

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South Korea requires parking lots with over 80 spaces to install solar canopies and carports. This move aims to expand renewable energy and create jobs while providing practical benefits for drivers.

Lisp: Notes on its Past and Future (1980)

LISP has accumulated unnecessary features and missed opportunities for improvement, requiring cooperative maintenance. It also needs theoretical advancements and language smoothing to fully utilize its mathematical basis.

You Don't Need Anubis

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The Anubis bot protection solution is overused by websites that only need protection against aggressive LLM scrapers, not DDoS attacks. A simpler solution, like the one in the provided Caddyfile, can be used to block bots without annoying human visitors.

Alleged Jabber Zeus Coder 'MrICQ' in U.S. Custody

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A Ukrainian man, Yuriy Igorevich Rybtsov, was arrested in Italy and extradited to the US for conspiring with the hacking group Jabber Zeus to steal millions from US businesses. Rybtsov, also known as "MrICQ," helped the group launder stolen funds and modify payroll accounts to add money mules.

Is Your Bluetooth Chip Leaking Secrets via RF Signals?

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Researchers proposed modifications to data structures and identified side channels in wireless communication protocols and AES-128 encryption. They also demonstrated successful attacks using deep learning and machine learning techniques on various devices.

HyperRogue – A non-Euclidean roguelike

HyperRogue is a roguelike game set on a hyperbolic plane with unique geometry, where players collect treasures and navigate through 72 lands with different themes and mechanics. The game features dynamic world generation, challenging enemies, and various modes, including a tutorial and a strategy mode, and can be downloaded for free or purchased on Steam or itch.io.

Reproducing the AWS Outage Race Condition with a Model Checker

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AWS published a post-mortem about a recent outage caused by a race condition in their automated DNS management system involving the DNS Planner, DNS Enactor, and Amazon Route 53 service. A simplified model using the Spin model checker and Promela language was created to reproduce the problem and discover the race condition, which was fixed by executing the problematic statements atomically.

Mock – An API creation and testing utility: Examples

The user demonstrates using Mock to slow down specific API endpoints and create custom responses. They also show how to use Mock to create a proxy server with custom routes and execute different code for each route.

Writing FreeDOS Programs in C

A web programming guide started as a YouTube series supported by Patreon, offering exclusive content to patrons at the C programming level and above. The guide was later published as a "teach yourself programming" book available to patrons at cost.

LM8560, the eternal chip from the 1980 years

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The LM8560 is a low power consumption MOS integrated circuit that was used in many digital alarm clocks and clock radios from the 1980s to the 2010s, and it is still produced today by some Chinese manufacturers. The chip has a simple design that counts the waves coming from the AC power outlet and can be used to build a basic digital alarm clock with a 4-digit LED display.

Meta readies $25B bond sale as soaring AI costs trigger stock sell-off

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MySafeSpace – Whitehouse.gov

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We're Democrats in the House and Senate. We love DEI, transgender for everyone, healthcare for illegals and shutting down the government! We couldn't care less if our military gets paid or Americans' safety.

Why "everyone dies" gets AGI all wrong

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The author, a long-time AGI researcher, responds to Eliezer Yudkowsky's book warning about AGI's potential dangers, arguing that the leap from uncertainty to guaranteed doom is a failure of imagination and that AGI can be developed safely with the right approach.

New prompt injection papers: Agents rule of two and the attacker moves second

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Two new papers discuss LLM security and prompt injection: Agents Rule of Two proposes a "Rule of Two" to prevent prompt injection attacks, while The Attacker Moves Second shows that 12 published defenses against prompt injection and jailbreaking can be bypassed with adaptive attacks.

Crossfire: High-performance lockless spsc/mpsc/mpmc channels for Rust

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Crossfire V2.1 is released with performance improvements, supporting async and blocking contexts, and a lockless channel. It provides a 2x performance boost on VPS and supports tokio with send_timeout and recv_timeout APIs.

Anonymous credentials: rate-limit bots and agents without compromising privacy

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The increasing use of AI agents is changing the way we interact with the internet, requiring new security mechanisms to manage traffic and protect users' privacy. Anonymous credentials, such as those being developed in the Privacy Pass protocol, offer a solution to rate-limit requests from AI agents without identifying individual users, ensuring a secure and private online experience.

Context engineering

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The practice of "prompt engineering" has limitations and is giving way to a more structured approach called "context engineering" which involves considering every token fed into the LLM in a dynamic, targeted, and deliberate way. Context engineering is a nascent field that involves designing the context in which LLMs operate, using techniques such as retrieval-augmented generation and design ...

Amazon has launched a major global crackdown on Fire Stick piracy

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Amazon is blocking illegal streaming apps on Fire Sticks to prevent piracy. This move aims to protect customers from malware and viruses while supporting creators.

Tell HN: Mechanical Turk is twenty years old today

The user has used Amazon's Mechanical Turk (MTurk) for various tasks including transcribing handwritten recipes, evaluating images, and collecting data for research projects, but often encountered issues with worker quality and reliability. The user initially found MTurk useful but eventually lost interest due to high commission fees, poor task quality, and concerns about labor exploitation, ...

How the US is preparing a Caribbean staging ground near Venezuela

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The US military is upgrading a former naval base in Puerto Rico and building out facilities at civilian airports in Puerto Rico and the US Virgin Islands, suggesting preparations for sustained operations in the Caribbean. The buildup includes warships, aircraft, and spy planes, with some experts speculating it could enable US military operations inside Venezuela.

Why do AI models use so many em-dashes?

The author discusses why AI-generated writing often uses em-dashes excessively, and proposes that the cause is due to the training data, specifically late-1800s and early-1900s print books that contain more em-dashes.

A Few Words About Async

The author discusses the importance of understanding async code, focusing on latency and throughput, and how non-blocking is an objective that can be achieved through various means such as threads, processes, and asynchronous code structure. The author explores different concepts like concurrency, parallelism, and event loops, and concludes that while threads and processes are high-level and ...

A prison of my own making

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The user's tech projects, once a source of calm, have become overwhelming due to overuse of deployment tools and complexity. They plan to simplify their setup by using tools only when necessary and focusing on ease of use.

React-Native-Godot

React Native Godot is a framework that allows embedding Godot engine into React Native applications. It provides a way to run Godot on a separate thread, allowing for seamless integration with React Native.

Stop 'reactions' to email by adding a postfix header (2024)

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User added a header to suppress email reactions. They tested it with various clients and saw mixed results, with some reactions being dropped silently by Microsoft.

Foods that make you smell more attractive

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Food affects our body odour by two main routes: the gut and the skin, releasing volatile molecules that make us smell differently. Eating certain foods like garlic, broccoli, and asparagus can make our sweat and breath smell pungent, but surprisingly, some studies suggest these odours can make us more attractive.

Show HN: Anki-LLM – Bulk process and generate Anki flashcards with LLMs

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anki-llm is a tool that uses LLMs to process Anki notes and generate new flashcards. It can export notes from Anki, process them with an LLM, and import the results back into Anki.

Writing an Asciidoc Parser in Rust: Asciidocr

The author created a Rust-based asciidoc parser called asciidocr to replace the existing Ruby-based Asciidoctor tool, which had limitations and required Ruby installation. The parser uses a scanner to generate tokens, a parser to create an Abstract Syntax Graph, and templating to produce HTML output.

Amazon Rivian electric delivery vans arrive in Canada

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Amazon has deployed 50 Rivian electric delivery vans in Vancouver, Canada, as part of its goal for net-zero carbon emissions by 2040. The vans feature 360-degree cameras and energy-saving seats, and Amazon plans to have 100,000 Rivian vans on the road by 2030.

Palantir Thinks College Might Be a Waste. So It's Hiring High-School Grads

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Plumbing vs. Internet, Revisited

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Plumbing vs Internet, Revisited []

I hate science (2021)

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The author is a big advocate of Empirical Software Engineering and formal methods, but finds the field to be plagued by poor research and conflicting results.

'This is the big one' – tech firms bet on electrifying rail

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Riding Sunbeams, a start-up, has successfully integrated solar panels into a train line in Aldershot, demonstrating how renewables can power rail electrification projects. New technologies, including solar panels, electromagnetic propulsion systems, and battery-powered wagons, are emerging to speed up electrification projects and increase the efficiency of rail transportation.

"You Don't Need Kafka, Just Use Postgres" Considered Harmful

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The author argues that using Postgres instead of Kafka for event streaming is not a good idea, as it lacks features like log semantics, fault tolerance, and consumer groups.

'Do not trust your eyes': AI generates surge in expense fraud

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Matched Clean Power Index

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British consumers paying for 100% renewable electricity may not be getting it due to outdated rules. A new study reveals stark differences in renewable supply among suppliers, with some claiming much less than advertised.

CLI to manage your SQL database schemas and migrations

https://opengraph.githubassets.com/e33ed24206e2a7e928a0cb5b1d6080ac2ee1ee671b510de251a2230214649e47/gh-PonyM/shed
shed is a CLI tool for managing database schemas using SQLModel and Alembic, allowing for JSON-schema export and migration management. It simplifies database setup and schema management for projects.

Linux and Windows: A tale of Kerberos, SSSD, DFS, and black magic (2018)

To interface with Active Directory, implement a lightweight setup using AD for authentication only, set hostname to uppercase FQDN, and install necessary packages like krb5, adcli, and sssd. Configure realmd to join the domain, set up Kerberos realm, and customize /etc/fstab and /etc/request-key.conf for DFS and autofs mounts.

Port of Linux to WebAssembly

https://lore.kernel.org/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=1.22.0
Anubis is a server protection system using Proof-of-Work to prevent aggressive AI scraping. It requires modern JavaScript features, so disable JShelter or similar plugins for this domain.

Viruses of the Mind (1991) Richard Dawkins [pdf]

Human minds are vulnerable to memes, which are ideas that restructure the brain to make it a better habitat for themselves. Memes, like computer viruses, can spread quickly and subvert the host's behavior, but they can also be used for beneficial purposes, such as market research or data sharing.

Y Combinator Interview Practice Simulation

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Practice Y Combinator partner interviews with rapid-fire questions and tough objections to master the format and stay focused under pressure. Repeated practice helps you articulate key points, handle challenges, and stay confident in 10 minutes or less.