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How Colossus optimizes data placement for performance Published: 2026-03-29 | Origin: /r/programming The Storage Tech Lead position involves working with Colossus, Google's foundational distributed storage system that underpins many of its products like YouTube, Gmail, BigQuery, and Cloud Storage. Colossus is designed for high throughput, comparable to top parallel file systems, while offering the scalability of object storage and a user-friendly programming model. Its capabilities cater to diverse requirements, including scale, cost-effectiveness, throughput, and latency. Colossus supports various applications, providing different performance metrics based on |
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What Category Theory Teaches Us About DataFrames Published: 2026-03-29 | Origin: /r/programming The content discusses the complexity of operations in dataframe libraries, particularly pandas, noting that it contains over 200 methods. The author struggles to differentiate between similar functions like pivot, melt, apply, and map, leading to confusion rather than understanding. This challenge arose while creating their own dataframe library and prompted them to investigate the foundational operations within these libraries. They reference Petersohn et al.'s work on Modin, a scalable alternative to pandas, which analyzed a million Jupyter notebooks to catalog pandas usage and |
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OpenYak – An open-source Cowork that runs any model and owns your filesystem Published: 2026-03-29 | Origin: Hacker News OpenYak is an open-source, desktop AI assistant designed to operate entirely on your machine, ensuring privacy and eliminating reliance on the cloud. It helps users manage files, analyze data, draft documents, and automate office workflows. Key features include: - **Office Automation**: Batch renaming, sorting, and cleaning of files with change logs. - **Data Analysis**: Local parsing of spreadsheets and documents to identify trends and generate reports. - **Content & Writing**: Transformation of rough notes into formal |
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Tracking reading position across devices with local-first sync (no cloud) Published: 2026-03-29 | Origin: /r/programming The author developed Merrilin to address the challenge of syncing files, progress, and annotations across multiple devices. Initially relying on various tools like KoReader, SyncThing, and WebDav, they found the process cumbersome and messy. The goal was to create a seamless syncing experience, both with a cloud option and an offline mode. In designing the offline app, the author aimed for flawless peer-to-peer syncing over LAN, drawing inspiration from existing applications. They encountered technical challenges due to the original app's architecture |
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Alzheimer's disease mortality among taxi and ambulance drivers (2024) Published: 2026-03-29 | Origin: Hacker News Failed to fetch content - HTTP Status - 403 |
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Bring Back MiniDV with This Raspberry Pi FireWire Hat Published: 2026-03-28 | Origin: Hacker News In this blog post, the author discusses creating a portable Memory Recording Unit (MRU) using a FireWire HAT and a PiSugar3 Plus battery for Raspberry Pi. This setup aims to replace older FireWire/i.Link/DV cameras and serves as an alternative to buying used MRUs like Sony's HVR-MRC1, which can cost around $300. The installation allows for direct camera connections, archiving MiniDV tapes using dvgrab, and interfacing with other FireWire devices. |
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CSS is DOOMed Published: 2026-03-28 | Origin: Hacker News The author expresses enthusiasm for CSS, highlighting its advancements and capabilities by creating a version of DOOM using CSS for rendering all game elements, while JavaScript handles the game logic. They aimed to explore the limits of modern CSS and showcase its power. The project initially faced challenges, as the author had previously worked on a DOOM version for an oscilloscope, which informed some solutions. They began with a fully CSS-driven model but eventually split the project to manage complexity, moving game logic to JavaScript |
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I Decompiled the White House's New App Published: 2026-03-28 | Origin: /r/programming Failed to fetch content - HTTP Status - 403 |
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Hardware Image Compression Published: 2026-03-28 | Origin: Hacker News The slow pace of innovation in hardware image formats has often hindered developers from adopting new textures unless they are widely supported across most hardware. For instance, although ATI introduced the 3Dc formats in 2004, they only became widely used after Direct3D 10 standardized them, which took years to gain acceptance. This trend continued with BC6 & BC7 formats, developed by ATI and NVIDIA for Direct3D 11, which also faced adoption delays due to lengthy hardware development cycles. The |
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How to use ETag header for optimistic concurrency Published: 2026-03-28 | Origin: /r/programming In the article "Optimistic concurrency for the pessimistic times," the author discusses optimistic concurrency handling, which assumes conflicts (when two people attempt to change the same record simultaneously) are rare. When a conflict occurs, only the first update is allowed, with others being rejected. The implementation involves using ETag headers to manage versioning between web/mobile applications and the server. When the server returns data, it sends an ETag header that represents the data's current state, which can be a hash |
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TruffleRuby Published: 2026-03-28 | Origin: Hacker News TruffleRuby began as an internship project at Oracle Labs in 2013, focusing on implementing the Ruby programming language on the Java Virtual Machine (JVM) using the Graal dynamic compiler and Truffle AST interpreter framework. It offers superior performance compared to JRuby and is simpler in design. Open-sourced in 2014 and incubated in JRuby, TruffleRuby became a standalone project in 2017 and is now part of GraalVM. The development of TruffleRuby, |
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Further human + AI + proof assistant work on Knuth's "Claude Cycles" problem Published: 2026-03-28 | Origin: Hacker News Failed to fetch content - HTTP Error - HTTP redirects too deep |
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Founder of GitLab battles cancer by founding companies Published: 2026-03-28 | Origin: Hacker News The author is actively managing their treatment for osteosarcoma, a type of bone cancer in the T5 vertebrae, after exhausting standard treatment options. They have initiated extensive diagnostics, developed new treatment approaches, and are scaling these initiatives for others in a similar situation. An article by Elliot Hershberg details their cancer journey, which is also presented in a deck and a recording from an OpenAI Forum. Their companies, aimed at expanding this approach, are listed at evenone.ventures. |
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I used KSP to make same-type parameter swaps a compile error in curried functions Published: 2026-03-28 | Origin: /r/programming The content discusses the implementation of Kotlin Symbol Processing (KSP) to address the issue of same-type parameter swaps in Kotlin, which can lead to compile-time errors that go unnoticed and result in bugs. Traditionally, developers face challenges when switching parameters of the same type, as there are no compile-time errors to warn them of incorrect assignments (e.g., swapping two String parameters). The article highlights how other frameworks and languages, such as Haskell, also struggle with this issue and often recommend using "new |
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I decompiled the White House's new app Published: 2026-03-28 | Origin: Hacker News Failed to fetch content - HTTP Status - 403 |
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AI overly affirms users asking for personal advice Published: 2026-03-28 | Origin: Hacker News Failed to fetch content - HTTP Status - 403 |
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How to implement the Outbox pattern in Go and Postgres Published: 2026-03-28 | Origin: /r/programming Of course! Please provide the content you'd like me to summarize. |
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Debounce itself is not enough: AbortController, retries, and stale response handling in frontend js Published: 2026-03-28 | Origin: /r/programming Debounce is a common pattern in frontend development that consolidates multiple rapid function calls into a single invocation after a period of inactivity. It is particularly useful for handling noisy UI events, such as autocomplete, window resizing, scrolling, live validation, and more. However, while debounce effectively smooths the UI, it does not manage the complexities of network requests, such as response ordering, cancellation of outdated requests, or handling failures. This can create a false sense of security, as the UI appears stable while |
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Big-Endian Testing with QEMU Published: 2026-03-28 | Origin: /r/programming In computing, "big endian" and "little endian" refer to the order in which bytes of a value are stored in memory. Big endian stores the most significant byte first, while little endian stores the least significant byte first. For example, the hexadecimal value 0x12345678 is stored differently depending on the endianness of the system. The terms are derived from the book "Gulliver's Travels," where factions argue about egg consumption methods. Most modern personal computers and smartphones use |
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How I rediscovered ( or discovered ) the right way to use Typescript Interface to do Dependency Inversion Published: 2026-03-28 | Origin: /r/programming In the previous parts of this series, the focus was on the hidden costs associated with "magic" in the Node.js ecosystem and a blueprint for creating stable, high-performance applications. This post addresses developers using frameworks like NestJS who find Dependency Injection (DI) overly complex due to the reliance on decorators, reflection, and intricate containers. The proposed solution is to adopt "Interface-Oriented Design," which simplifies code, enhances speed, testing ease, and predictability. The text explains that the "magic |