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Alaska Airlines’ statement on IT outage

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✨ Read this trending post from Hacker News 📖 📂 Category: ✅ Key idea: Statement as of Thursday, Oct. 23 – 7 p.m. Pacific Time Alaska Airlines is experiencing an IT outage that has resulted in a systemwide ground stop of Alaska and Horizon Air flights across our network, causing delays and cancellations. The IT outage does not affect Hawaiian Airlines flights. The issue began around 3:30 p.m. on Thursday, Oct. 23, with a failure at our primary data center. The IT outage has impacted several of our key systems that enable us to run various operations, necessitating the implementation…

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JupyterGIS breaks through to the next level

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🔥 Check out this trending post from Hacker News 📖 📂 Category: 💡 Key idea: Launched in June 2024, JupyterGIS was introduced as a collaborative, web-based GIS environment built on the JupyterLab framework. Its objective is to bring QGIS-inspired workflows into the browser, enabling real-time collaborative editing, seamless integration with notebooks, and support for core geospatial data formats. When it was first announced earlier this year, JupyterGIS already delivered: Real-time collaborative editing (Google Docs-style) Visualisation of raster & vector data Symbology editing and spatio-temporal animations Programmatic map control via a Python API. Thanks to contributions from the community and support…

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Trump cancels trade talks with Canada over anti-tariffs advert

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🚀 Discover this insightful post from Hacker News 📖 📂 Category: ✅ Here’s what you’ll learn: Osmond ChiaBusiness reporterGetty ImagesUS President Donald Trump has said he is immediately ending all trade negotiations with Canada.In a post on Truth Social, Trump wrote that the country had run an advert featuring former US President Ronald Reagan speaking negatively about tariffs."Based on their egregious behavior, ALL TRADE NEGOTIATIONS WITH CANADA ARE HEREBY TERMINATED," Trump wrote late on Thursday.The US president has imposed a 35% levy on Canadian imports, although he has allowed exemptions for goods that fall under the USMCA - a free…

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When is better to think without words?

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🔥 Check out this must-read post from Hacker News 📖 📂 Category: ✅ Main takeaway: Portrait of a Man with Glasses I, Francis Bacon, 1963This essay can be read as a complement to last year’s “How to think in writing.”Thoughts die the moment they are embodied in words.—SchopenhauerIn the 1940s, when the French mathematician Jacques Hadamard asked good mathematicians how they came up with solutions to hard problems, they nearly universally answered that they didn’t think in words; neither did they think in images or equations. Rather, what passed through the mathematicians as they struggled with problems were such things…

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Computer Science Courses that Don’t Exist, But Should

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✨ Discover this insightful post from Hacker News 📖 📂 Category: ✅ Main takeaway: CSCI 2100: Unlearning Object-Oriented ProgrammingDiscover how to create and use variables that aren't inside of an object hierarchy. Learn about "functions," which are like methods but more generally useful. Prerequisite: Any course that used the term "abstract base class."CSCI 3300: Classical Software StudiesDiscuss and dissect historically significant products, including VisiCalc, AppleWorks, Robot Odyssey, Zork, and MacPaint. Emphases are on user interface and creativity fostered by hardware limitations.CSCI 4020: Writing Fast Code in Slow LanguagesAnalyze performance at a high level, writing interpreted Python that matches or beats…

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Counter-Strike cosmetics economy loses nearly $2 billion in value overnight

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🔥 Read this must-read post from Hacker News 📖 📂 Category: 💡 Main takeaway: Counter-Strike has long been known for two things: tight tactical FPS gameplay and a thriving player marketplace effectively valued at literal billions of dollars. Now, thanks to a recent update from Valve, the latter is in a downward spiral, having lost 25% of its value — or $1.75 billion — overnight. First, some context. Counter-Strike is a free-to-play multiplayer shooter. As with most other F2P games, it generates revenue from selling cosmetics. They arrive in lootbox-like Cases, which are opened by Keys purchased with real-world currency.…

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GitHub – xyflow/xyflow: React Flow | Svelte Flow

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🚀 Discover this trending post from Hacker News 📖 📂 Category: ✅ Key idea: The xyflow repository is the home of four packages: Are you using React Flow or Svelte Flow for a personal project? Great! No sponsorship needed, you can support us by reporting any bugs you find, sending us screenshots of your projects, and starring us on Github 🌟 Are you using React Flow or Svelte Flow at your organization and making money from it? Awesome! We rely on your support to keep our libraries developed and maintained under an MIT License, just how we like it. For…

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How Memory Maps (mmap) Deliver 25x Faster File Access in Go

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💥 Read this trending post from Hacker News 📖 📂 Category: 📌 Here’s what you’ll learn: One of the slowest things you can do in an application is making system calls. They're slow because you do have to enter the kernel, which is quite expensive. What should you do when you need to do a lot of disk I/O but you care about performance? One solution is to use memory maps.Memory maps are a modern Unix mechanism where you can take a file and make it part of the virtual memory. In Unix context, modern means that it was introduced…

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Apple loses UK App Store monopoly case, penalty might near $2 billion

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🚀 Check out this trending post from Hacker News 📖 📂 Category: 📌 Here’s what you’ll learn: A landmark case in the UK concerning Apple’s App Store practices has just been decided, with a London tribunal ruling against the company in a move that could cost Apple up to $2 billion. London tribunal rules that Apple overcharged app developers for years with unfair commissions Sam Tobin writes at Reuters: Apple abused its dominant position by charging app developers unfair commissions, a London tribunal ruled on Thursday, in a blow which could leave the U.S. tech company on the hook for…

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Date bug affects Ubuntu 25.10 automatic updates [LWN.net]

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💥 Discover this trending post from Hacker News 📖 📂 Category: ✅ Key idea: [Posted October 23, 2025 by jzb] The Ubuntu Project has announced that a bug in the Rust-based uutils version of the date command shipped with Ubuntu 25.10 broke automatic updates: Some Ubuntu 25.10 systems have been unable to automatically check for available software updates. Affected machines include cloud deployments, container images, Ubuntu Desktop and Ubuntu Server installs. The announcement includes remediation instructions for those affected by the bug. Systems with the rust-coreutils package version 0.2.2-0ubuntu2 or earlier have the bug, it is fixed in 0.2.2-0ubuntu2.1 or later.…

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