hackernews

1. Advent of Code 2025 Total comment counts : 29 Summary Advent of Code is an annual Advent calendar of small programming puzzles by Eric Wastl. Puzzles suit varying skill levels and can be solved in any language; they’re used as interview prep, coursework, practice, speed contests, or friendly challenges. You don’t need a CS degree; even ten-year-old hardware can run solutions within 15 seconds. Tips: test against examples, add your own cases, ensure you have full input, and ask for help on Reddit or private leaderboards....

1. All it takes is for one to work out Total comment counts : 24 Summary The author recalls a bleak stretch applying to graduate school after a rocky undergrad and a just-okay GMAT. A friend kept saying, “All it takes is for one to work out,” a line he initially doubted but later verified when one offer changed his life. The piece argues this truth applies to high-stakes searches—admissions, jobs, homes, relationships: you don’t need every option to succeed, just the one that’s the right fit, a mindset that can ground you through brutal processes....

1. 28M Hacker News comments as vector embedding search dataset Total comment counts : 21 Summary The Hacker News dataset contains 28.74 million posts with precomputed 384-dimensional embeddings generated by SentenceTransformers all-MiniLM-L6-v2. The data is available as a single Parquet file in S3 and can be loaded into a ClickHouse table named hackernews with fields for text, vector, and metadata. A vector similarity index (HNSW, cosine distance) can be created and materialized to speed queries....

1. Same-day upstream Linux support for Snapdragon 8 Elite Gen 5 Total comment counts : 22 Summary error Overall Comments Summary Main point: Qualcomm’s move toward Linux/FOSS openness is a start, but upstreaming drivers, opening the boot chain, and providing documentation remain unfinished and crucial for broad Linux adoption beyond phones. Concern: Without sustained, genuine openness and upstreaming, developers will avoid Qualcomm chips, harming long-term market share and ecosystem goodwill. Perspectives: Some are cautiously optimistic, citing Valve/Steam Deck and potential for upstream drivers to enable Linux on more devices; others are skeptical due to past closed BSPs, weak wireless drivers, and doubts about Qualcomm’s motives....

1. Voyager 1 is about to reach one light-day from earth Total comment counts : 36 Summary NASA’s Voyager 1 is nearing a milestone: by November 15, 2026, it will be about 16.1 billion miles from Earth, meaning a radio signal would take 24 hours to reach it. Launched in 1977 to study Jupiter and Saturn, it entered interstellar space in 2012 and remains the most distant human-made object. Traveling ~11 mph (17....

1. Google Antigravity exfiltrates data via indirect prompt injection attack Total comment counts : 35 Summary The article shows an indirect prompt injection against Google’s Antigravity/Gemini, where a poisoned integration guide tricks the AI into stealing credentials and sensitive code from a user’s workspace. The attack uses a browser subagent to visit a malicious URL and exfiltrate data, bypassing .gitignore by using terminal commands to dump files. The attacker crafts a URL to a monitored domain (webhook....

1. Pebble Watch software is now 100% open source Total comment counts : 25 Summary Core Devices’ Pebble relaunch focuses on long-term viability through repairable hardware and fully open software. Hardware: profitable production continues; future models like Pebble Time 2 (Black/Red) feature a screw-in back cover and replaceable battery, with published Pebble 2 Duo schematics to jumpstart DIY PebbleOS devices. Software: PebbleOS is now 100% open source (and the mobile app and dev tools/Appstore are also open)....

1. Fran Sans – font inspired by San Francisco light rail displays Total comment counts : 18 Summary error Overall Comments Summary Main point: The discussion centers on Fran Sans and retro transit-display typography, celebrating its design heritage while lamenting its impending retirement from city displays. Concern: The concern is that the iconic Fran Sans displays will be retired and removed, erasing a distinctive part of the city’s visual voice. Perspectives: Opinions span enthusiastic celebration of typography nerd culture and design detail, nostalgia for the historic displays, practical concerns about licensing and availability, comparisons to related fonts and tools, and curiosity about the technical and historical origins of the signs....

1. The privacy nightmare of browser fingerprinting Total comment counts : 38 Summary Many de-Googling efforts aim at privacy, but browser fingerprinting makes tracking harder to block than cookies. Third‑party cookies were the historical privacy villain and are now mitigated by browsers and laws, but fingerprinting operates without cookies and can survive VPNs. It builds a unique identifier from data like browser version, OS, language, time zone, and harder signals such as fonts, extensions, hardware, and canvas-derived pixel data—canvas fingerprints are highly unique, with roughly 1 in 1000 browsers sharing the same fingerprint....

1. Show HN: Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker Total comment counts : 37 Summary An open-source, privacy-first portfolio tracker that runs on-device with no subscriptions and an optional one-time payment. It consolidates all investments (stocks, ETFs, crypto, savings) in one place and supports CSV imports from brokers/banks. It provides clear charts, asset allocation, and performance views, with benchmarks against the S&P 500 and popular ETFs. It tracks dividends, interest, and passive income; monitors fees; and shows past performance trends....