StreetComplete: Fixing OpenStreetMap, one tiny quest at a time

https://streetcomplete.app/res/google-play-badge.png
Help improve OpenStreetMap with StreetComplete! This app finds missing map data in your vicinity and displays it on a map as quests. Solve each quest by visiting the location on-site and answering a simple question to update the map. The info you enter is directly added to OpenStreetMap in your name, without the need to use another editor.

Amazon without the knockoffs

https://knockoff.shopping/demo/wnpethome.jpg
The extension filters Amazon listings with customizable options and allows users to trust or block brands. It also enables one-click misclassification reports and uses plain text files for brand lists.

30papers.com – Ilya's 30 essential ML papers, in a beginner friendly format

The user provided a list of various research papers, blog posts, and articles related to deep learning, neural networks, and artificial intelligence, covering topics such as variational autoencoders, convolutional networks, recurrent neural networks, and transformer models. These resources aim to explain complex concepts in deep learning and provide practical examples and implementations for ...

A better way to tie gym shorts (or any drawstring) [video]

Chat Control 1.0 and 2.0 Explained

https://fightchatcontrol.eu/data/logo.webp
Two EU "Chat Control" laws are moving through institutions in parallel, one expired and the other being revived. The laws aim to regulate digital platforms' detection and reporting of child sexual abuse material, with disagreement over scanning of private communications.

Jim's TrueType QR Code Font

https://opengraph.githubassets.com/933b18650cefc9e4f86d9af603a0edc04cb4c33e373d36be52e931db0368cb54/jimparis/qr-font
This repo generates experimental OpenType fonts that turn bracketed text into QR codes while preserving readability. The fonts are generated from Liberation Sans Regular and licensed under the SIL Open Font License.

MacSurf 1.68 – NetSurf on OS 9 Released

https://opengraph.githubassets.com/0f5c67d45345af9af01bcabd576994ce03c56b157c6226a8abb6e2fbdbf24aeb/mplsllc/macsurf/releases/tag/v1.86
MacSurf is a native web browser for Classic Mac OS with real HTTPS and a modern JavaScript engine. It now runs on PowerPC Macs with Mac OS 9.1-9.2.2, thanks to a new engine called macQJS.

Why we built yet another Postgres connection pooler

https://pgdog.dev/assets/images/listen-arch.svg
PgDog is a Postgres proxy that scales connections without requiring trade-offs like connection poolers do. It preserves features like SET commands and LISTEN/NOTIFY, making it a more reliable option for scaling Postgres.

Computational Balloon Twisting: The Theory of Balloon Polyhedra [pdf]

Researchers developed a mathematical theory for balloon twisting structures, modeling them as graphs (edge skeleta). They created algorithms to find the fewest balloons for a desired graph or the minimum total length needed by a given number of balloons.

Chat Control passed first round in EU Parliament

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The European Parliament voted to reinstate the Chat Control regulation with a narrow majority, allowing tech giants to scan private chats for child abuse material. The move was seen as an unprecedented parliamentary maneuver to avoid a regulatory gap before the summer break.

Microsoft fire idTech team at Id software

id Software developers working on idTech have been fired due to massive Xbox layoffs. Approximately 1,600 id Software roles were eliminated as part of a 3,200-person team reduction across Xbox divisions.

The revenge of the philosophy majors

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9 Mothers (YC P26) Is Hiring in Austin, TX

https://storage.googleapis.com/ployai/dd1475f0-2410-4ca9-b24e-7883c3bddc93/user/570ba5d4-mounted-edda-stylized.png
The team ships hardware on software tempo, focusing on real deployment, short iteration loops, and hands-on ownership of specs. They prioritize user needs, iterating based on data and affordability, not just roadmaps.

Automating AI Away

https://replicated.live/assets/img/tool.jpg
OpenAI researchers are automating themselves away by improving AI, but LLMs are clumsy and non-deterministic. Beagle SCM uses deterministic tools and formal workflows to sandwich brilliant but inconsistent LLMs.

China sentences official to death for taking $325M in bribes

https://ichef.bbci.co.uk/news/480/cpsprodpb/258b/live/2bc73090-79b2-11f1-bebe-3701069fbdcb.jpg.webp
A former Nanjing city official Yang Youlin was sentenced to death for taking over 2.2bn yuan in bribes over 30 years. His case is one of the highest in recent years, with Yang exploiting his roles for personal gain despite President Xi's anti-corruption crackdown.

Reducing Doom Loops with Final Token Preference Optimization

https://www.liquid.ai/_next/image?url=%2Fimages%2Fbackgrounds%2Fsoft-7.webp&w=3840&q=75&dpl=dpl_CFp2Gwu71H8UDchdSrKT4rMMPTpo
Antidoom is a method to reduce doom loops in reasoning models by targeting the exact token that begins a loop and training the model to prefer coherent alternatives. This approach improves performance and reduces looping rates in models like LFM2.5-2.6B and Qwen3.5-4B.

Show HN: PostgreSQL performance and cost across 23 EC2 instance types

Choose how big your data is and how much throughput you need. Each point is a benchmarked instance × disk; everything right of the target line clears your requirement, and the cheapest of those is the pick.

98% isn't much

The 98% statistic is often misleading as it implies success for most, but neglects the 2% who fail. Truly robust engineering requires handling edge cases, not just meeting a general average.

Mapping homes you can buy from the US government for <$100k

https://govauctions.app/api/image?url=https%3A%2F%2Fres.cloudinary.com%2Fyardi%2Fimage%2Fupload%2Fq_auto%2Cf_auto%2Cc_limit%2Fhhs%2FIMG_3811_616731_488155005.jpg
The US government owns 2,074 homes, with 335 listed under $100,000 and 15 under $25,000, mostly in the Rust Belt and rural South. These homes are sold as-is through licensed agents, often requiring significant repairs.

A new runtime for k and q: l

https://lv1.sh/og-image.png
l runs k4, q, and qSQL unchanged — on a new engine built for modern memory: compressed vectors, SIMD, and automatic parallelism. k and q made the vector the unit of thought. l keeps that language and makes the compressed vector the unit of execution: primitives run directly on the encoded bytes, so the full array is never rebuilt. Modern hardware starves for bandwidth long before it runs ...

GitHub Freno: cooperative, highly available throttler service

https://opengraph.githubassets.com/69f8628dc0d59158f1d8f52501af397e6e90035a8f02919d00f9af8220f244ef/github/freno
Freno is a system that throttles writes to MySQL clusters based on replication status, adapting to changes in server inventory and user control. It uses Raft consensus protocol for high availability and serves clients via HTTP, responding with status codes to indicate whether writes are allowed.

The family keeping watch over a 52-year-old pot of soup

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Why skilled workers come to Germany and then leave again

https://static.dw.com/image/72153420_6.jpg
Researchers found that emigration from Germany is driven by multiple factors including family reasons and discrimination. Public policy can influence contributing factors such as bureaucracy and language acquisition.

Software Bonkers

https://craigmod.com/images/about/craigmod-headshot-2025-small-01.jpg
The writer is a software enthusiast who built custom software using Claude Code to manage his finances and business. He created TaxBot2000, a personalized accounting system that handles multiple currencies and tax requirements.

C++ Details of Asymmetric Fences

https://nekrozqliphort.github.io/assets/img/posts_img/2026-07-06-membarrier/dekkers-example-light.png
Asymmetric thread fences are a construct that allows for optimizing common paths in concurrent algorithms at the expense of uncommon paths by using lighter fences on the common path and heavier synchronization costs on the uncommon path. They are implemented using compiler barriers and processor-specific fence instructions, with the Linux membarrier() syscall being used to enforce consistency ...

Europe's company websites are mostly served by US vendors

https://ciphercue.com/img/og-card.png
Researchers studied 19,450 European company entities and found US-headquartered vendors serve the majority of primary websites in the UK and Netherlands, and the plurality in Italy, Spain, and France. Cloudflare is the single largest internet-facing infrastructure vendor in every sampled country.

Better Auth is joining Vercel

https://pbs.twimg.com/media/GYLNP1wWcAQVLNM?format=jpg&name=small
The author of Better Auth joined forces with Vercel to focus on building a framework-agnostic auth framework. This partnership will help them invest in the future of auth, including secure access for agents acting on users' behalf.

Dua Lipa opens library for banned and censored books in Portugal

https://images.euronews.com/articles/stories/09/81/69/78/1536x864_cmsv2_9fa73d72-e028-565f-a3e0-5c2a4145bb5a-9816978.jpg
Dua Lipa has released a live album and her debut album reached 450 weeks on the UK chart. She also launched a library of banned books, the Manifesto Library, at Livraria Lello in Portugal.

The Art of Computer Programming by Donald E. Knuth

https://www-cs-faculty.stanford.edu/~knuth/boxed-set-thumb.jpg
New material for volume 4 will first appear in beta-test form as fascicles of approximately 128 pages each, issued approximately twice per year. the first finder of any error in my books receives 0x$1.00 ($2.56), deposited to their account at the bank of san serriffe - if you find an error, i'll fix it. a citation to the original text is included in the index of each volume unless

New Literalism Comes for Museums

https://jaymollica.com/images/blog/new-literalism-comes-for-museums/kaws-family-sfmoma.jpg
Last year The New Yorker published “The New Literalism Plaguing Today’s Biggest Movies,” an essay by Namwali Serpell regarding the simplification of movie plots. This simplification emerged from the assumption that most people are looking at their phones while the movie plays, so themes need to feel familiar and dialogue needs to be redundant in order to make the viewer feel like they are not ...