9,448 results for qu

github.com
Show HN: Zroar – Serialized Roaring Bitmaps in Zighttps://github.com/manishrjain/zroarzroar is a ground-up implementation of Roaring Bitmaps data structure in Zig. zroar stores both the keys and (array, bitmap) containers in a single flat byte buffer, making the in-memory representation equal to the on-disk or over-the-network representation, eliminating the serialization/deserialization step entirely.The design was originally aimed at systems which keep their posting lists on disk, but zroar performs faster than CRoaring even for purely in-memory ops, due to CPU cache locality.Against CRoaring 5.0's benchmarking suite (ported to Zig), zroar is faster in 339 out of 360 tests, being 2x-9x faster (geometric mean), and up to 600x faster on serialize/deserialize.zroar avoids complex mechanism (like adaptive radix trees), uses Zig native SIMD ops and is simpler. The main logic is written in ~2000 lines of code, while CRoaring's 64-bit bitmap codebase is over 17000 LOC.Not yet: By choice, zroar doesn't support run containers, and is 64-bit only.There are more details in the G
Aug 21, 2026 8:18 PM
techcrunch.com
The $225 Pebble Time 2 is a refreshingly fun smartwatchhttps://techcrunch.com/2026/08/21/the-225-pebble-time-2-is-a-refreshingly-fun-smartwatch/The $225 Pebble Time 2 pairs quirky watch faces and apps with physical buttons, an e-paper display, weeks of battery life, and a playful hacker spirit.
Aug 21, 2026 7:57 PM
news.ycombinator.com
Ask HN: Why is HN missing a "go to top" link on long posts?https://news.ycombinator.com/item?id=49392170Im wondering nearly every day:Is there maybe a reason HN does not have that typical "go to top" or "to top" link at the end of, at least very long, posts?Maybe we can file a change request @dang :-D
Aug 21, 2026 6:34 PM
github.com
Show HN: Lore – build and monetize personal contexthttps://github.com/dipakkrishnan/lore-mcpPersonal context will have its own market. Large-scale market research and simulation (and more) require context that isn't available on the Internet. Lore allows you to take what your agent knows about you, augment it with your files / dictations and sell it at a price you set. You control what memories stay private and what becomes available to buyers. This is the first step towards a personal context market, focused on the seller experience today, and powered by personal agent human interactions!Would love feedback on the core premise / shape!
Aug 21, 2026 6:25 PM
traccia.ai
Show HN: Traccia - Observability, Runtime Control & Audit for agentshttps://traccia.ai/AI applications are becoming agents, which has started to take autonomous decisions. There are plenty of tools and platform available to trace, and observe what an agent or llms calls does. They are good in what they do, but tracing and observability isnt enough for AI agents era. We need a solution that can help you observe, evaluate, create run time policies to govern and finally audit the actions of the agent. We built Traccia to solve this problem. The good part, all of these can be achieved by just writing few lines of code. Traccia has an open-sourced sdk that can work with your existing observability tool like grafana, tempo, jaeger, etc. In case you need more than just observability, Traccia provides the platform to evaluate, control and audit the agents. The platform is easy to use. The product's documentation is quite extensive. It is also cloud vendor and framework agnostic. Traccia is being built by an Indian start up ,based out of Bengaluru. We are running a 3 months free
Aug 21, 2026 6:20 PM
wondering.app
Show HN: Visual way to understand things in parallelhttps://wondering.app/canvasHey HN!Really excited to be showing what I think is a better way to understand complex topics with AI.You start a chat with your question, and whenever you want to clarify something or understand some jargon, you can branch out a new chat from that thread.The cool unlock is being able to see all related chat threads in the same context without tab switching, for e.g. I can first dive into understanding world models, then spin a new chat thread on who the key players are in there, and another asking what's the frontier with this stuff.The responses are also not just a wall of text. They're: - Filled with interactive diagrams and visuals - Super fastAnd for those curious, this is how we built it: - React Flow (@xyflow/react) for the canvas - React Components for interactive diagrams - GPT Image 2 for image generations - Gemini 3.5 Flash Lite for super fast response - Parallelization whenever possible to keep things fastYou can also highlight and add notes :)Try it out and let me know wha
Aug 21, 2026 5:06 PM
github.com
Show HN: Proliferate- open-source, self-hostable Codex for any coding agenthttps://github.com/proliferate-ai/proliferateHi HN- I'm Pablo, the founder of Proliferate (YC S25)!Proliferate (https://github.com/proliferate-ai/proliferate) is an open-source, self-hostable AI IDE that lets you work and automate tasks with Claude Code, Codex, OpenCode, Cursor, and Grok in one place.Here's a quick 2m demo of how we use Proliferate to build Proliferate: https://www.youtube.com/watch?v=tGNX0oaWmBYI started building Proliferate after my team onboarded to OpenAI Codex. Within days, we were using it for everything: using computer use instead of navigating websites ourselves, having Codex coordinate other agents, and setting up automations for recurring work. We really never needed to leave the desktop app to get work done.If my team’s experience is anything close to representative, a Codex-like app (a horizontal agent with a beautiful UI) is the main interface every company is going to use to get work done. That is perfectly in line with OpenAI’s mission to make Codex the everything app (see: https://news.ycombinator
Aug 21, 2026 4:47 PM
bing.com
Football stars turn to chess for tactical edgehttp://www.bing.com/news/apiclick.aspx?ref=FexRss&aid=&tid=6a8980456ca94040824c0b0d115ad4d6&url=https%3A%2F%2Fwww.msn.com%2Fen-xl%2Fnews%2Fother%2Ffootball-stars-turn-to-chess-for-tactical-edge%2Far-AA2aF1oG&c=12024920713245120873&mkt=en-usLegendary Manchester United manager Alex Ferguson (85) once said, “Football and chess are alike.” This is because both require relentless exploitation of an opponent’s weaknesses, and losing focus for ...
Aug 21, 2026 4:21 PM
github.com
Show HN: eInk Optimized Manga with Kindle Comic Converter (+Kobo/KOreader)https://github.com/ciromattia/kccKindle Comic Converter optimizes black & white (or color) comics and manga for E-ink ereaders like Kindle, Kobo, ReMarkable, and more. Pages display in fullscreen without margins, with proper fixed layout support. KCC runs on Windows, macOS, and Linux.KCC's main goal is maximum image quality at significantly smaller file size. For example, KCC1) can compress a 600 MB manga volume from Humble Bundle to 100 MB. This is mostly accomplished by downscaling to the native resolution of your specific device. This can also improve battery life, page turn speed, and general performance on underpowered ereaders with small memory and storage capacities.2) fixes black levels to avoid gray/faded blacks found in many Kindle Store manga3) fixes the rainbow effect on Kaleido 3 color eink without blur using the Discrete Fourier Transform (community PR)It can also semi-automatically join pre-split 2 page spreads and has several KOreader optimizations as well.
Aug 21, 2026 4:20 PM
github.com
Show HN: Caspian – Talk to Human Tool for AI Agentshttps://github.com/TryCaspian/caspian-sdkSup HN! Dipanshu and Rushant here from Caspian. One is a functional programmer and the other has been deploying AI employees. Together we realized how agents have communication bottleneck.Given the coming agentic economy, we had a thought experiment on what can be the key infrastructure for agents as they get better. Our inspiration for solving for communications infra came from our own time spent just setting up comms while we were deploying open claw for companies plus we noticed about 15%+ of issues in Openclaw and Hermes were that of comms.So we abstracted the headache of reliable communication web-hooks, handling of queues, provision and identity management behind an single SDK integration / tool call. Think of it like rather than rolling your own auth, you can use better auth sdk, same thesis here.Technically, we designed the SDK from the ground up as a DSL for communications (heavy inspiration from functional programming) and then add on our own run time environment which auto p
Aug 21, 2026 4:17 PM
apps.apple.com
Show HN: Gramola, a CoverFlow-style music dock for macOShttps://apps.apple.com/us/app/gramola-music-dock/id6801078031?mt=12I'm a 23yo solo dev from Spain with a passion for UI/UX and I built Gramola, a music dock for macOS that is there when you need it. No more opening a music app to change what you're listening to; just move your mouse to the edge of the screen, and all your music is there in a gorgeous CoverFlow style, or ready to be instantly searched.Fully usable with a mouse, but also fully usable with keyboard, accessibility built in, and both Spotify and Apple Music support as well as local tracks via the Music app.Free to try for 7 days! I would love to know what you think :)Please feel free to ask any questions, technical or not! I would love to explain.Demo videos and other images on the App Store page and my website (https://gramola.fulltimefeline.com)
Aug 21, 2026 3:52 PM
github.com
Show HN: Bounded GenAI metrics from Otel traces with O raw promptshttps://github.com/llm-measurement/otelcol-genai-sketchesHi friends,Author here. Like to present a project I've been working on - Otelcol-GenAI-Sketches, a Otel connector that works on genai/agent traces, and summarizes them (via sketches), to produce:() exact request counts/totals for tokens; () distinct users/prompts (estimates) (*) 'heavy' items in terms of tokensWhy does this exist: I'm a data scientist by profession, and needed to look at Otel traces, but soon ran into cardinality and portability issues, along with privacy issues (raw prompts being transported elsewhere, like for analysis in a notebook env is a no-no). I wrote a sketchlib first (llm-sketchkit) and then the connector for Otel collectors.To try it out, just:(i) git clone https://github.com/llm-measurement/otelcol-genai-sketches.gi... (ii) cd otelcol-genai-sketches (iii) export GENAI_SKETCH_SECRET="$(openssl rand -hex 32)" (iv) make example-up (v) profit!This would start a demo app that includes a Otel collector, prometheus server/db and a grafana dashboard.The repos conta
Aug 21, 2026 3:37 PM
bing.com
How the McDonald's mobile app compiled 515-page dossier on one reporterhttp://www.bing.com/news/apiclick.aspx?ref=FexRss&aid=&tid=6a8a56e670cb4695b00ce46fdf23b015&url=https%3A%2F%2Fwww.marketplace.org%2Fstory%2F2026%2F08%2F21%2Fhow-mcdonalds-compiled-515page-dossier-on-one-reporter&c=3480288228120336523&mkt=en-usReece Rogers, a senior writer at Wired, requested a copy of the data McDonald’s keeps on him based on his use of the loyalty app.
Aug 21, 2026 3:25 PM
france24.com
E1 Israeli settlement poses ‘existential threat’ to two-state solution, UN chief warnshttps://www.france24.com/en/video/20260821-e1-israeli-settlement-poses-existential-threat-to-two-state-solution-un-chief-warnsThe United Nations on Wednesday said UN Secretary-General Antonio Guterres was alarmed by reports of illegal Israeli settlement outposts in the West Bank, warning that development in the E1 area threatened a two-state solution. UN spokesperson Stephane Dujarric said the E1 settlement would sever the connection between the northern and southern West Bank and have severe consequences for the territory’s integrity.
Aug 21, 2026 2:24 PM
github.com
Show HN: Chipmunk – Desktop Log Viewer Written in Rust and Eguihttps://github.com/esrlabs/chipmunkHi,I just want to share the results of re-writing the front-end and application layer for Chipmunk logs-viewer desktop application.The app was originally an electron app with rust backend as node-module. The re-write replaced all electron and javascript with rust using egui framework.The re-write took me about 6 months, where I encountered multiple architectural challenges to work with an immediate rendering framework and connect it to an async backend running on tokio without using Mutex to avoid any potential dead-locks issue in the future.Please have a look to the demos of the app on GitHub and feel free to ask me questions about the re-write or using Rust and egui in production applications.
Aug 21, 2026 2:19 PM