From New Grad to Meta Staff Engineer in 3 Years: Evan King's Success Story

2024-12-14
From New Grad to Meta Staff Engineer in 3 Years: Evan King's Success Story

Evan King shares his journey of rapidly advancing from a new graduate to a Staff Engineer at Meta in just three years. His six key principles for success include: prioritizing speed and efficiency to free up time for growth; broadening perspective to think strategically like a higher-level engineer; embracing uncertainty and sharing ideas freely; focusing on problem-solving over technical complexity; building goodwill and strong relationships; and maintaining a positive attitude. While acknowledging the role of luck and timing, Evan emphasizes the importance of cultivating sustainable habits that compound over time, focusing on core competencies and strategically utilizing the extra bandwidth created by efficiency.

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Camembert Cheese May Improve Cognitive Decline

2024-12-27
Camembert Cheese May Improve Cognitive Decline

A new study has found that fatty acid amides present in Camembert cheese can improve cognitive decline in mice. Researchers used the object recognition test and found that orally administered Camembert cheese improved cognitive decline induced by a high-fat diet. Further investigation revealed that myristamide (MA), a fatty acid amide produced during Camembert cheese fermentation, improved cognitive decline, while its non-amidated counterpart, myristic acid, did not. This suggests that fatty acid amidation may be crucial for this physiological activity. Furthermore, MA increased the expression of brain-derived neurotrophic factor (BDNF) in the hippocampus.

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arXivLabs: Community Collaboration on arXiv Features

2025-06-20
arXivLabs: Community Collaboration on arXiv Features

arXivLabs is a new collaborative framework enabling developers to build and share new arXiv features directly on the arXiv website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who adhere to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs!

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Development

The VUS Problem in Genetic Testing: Can AI Provide a Solution?

2025-08-17
The VUS Problem in Genetic Testing: Can AI Provide a Solution?

Genetic testing has advanced rapidly, but the interpretation of 'variants of unknown significance' (VUS) remains a major challenge in clinical genetics. VUS, genetic variations with unclear health implications, cause significant patient anxiety. This article explores strategies to tackle the VUS problem, focusing on multiplexed assays of variant effect (MAVE) to generate large functional datasets and leverage AI to improve prediction tools. While a complete solution remains elusive, MAVE and AI offer hope for precision medicine, promising to greatly enhance the diagnostic accuracy of genetic testing in the future.

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Wow@Home Radio Telescope: A Low-Cost SETI Search

2025-05-17
Wow@Home Radio Telescope: A Low-Cost SETI Search

The Wow@Home project has built a network of inexpensive, easily replicable radio telescopes, emulating the observation protocol of the Big Ear radio telescope used in the Ohio SETI project in the 1970s. The system scans the sky at a fixed elevation, accumulating data through multiple full-sky scans, and effectively detects events lasting longer than a day. Future plans include improving sensitivity, adding multi-beam systems and interferometric capabilities to enhance detection capabilities and accuracy.

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Oregon's $1.5 Trillion Lithium Deposit: Boom or Bust?

2025-05-10
Oregon's $1.5 Trillion Lithium Deposit: Boom or Bust?

A massive lithium deposit in Oregon's McDermitt Caldera, estimated at $1.5 trillion, promises a boost to domestic battery production but sparks concerns about environmental damage and cultural impacts. While proponents highlight the potential for economic development and reduced reliance on foreign lithium, opponents worry about the effects on sensitive wildlife habitats and sacred Indigenous sites. The debate mirrors similar controversies in Nevada, focusing on water resources and the long-term ecological consequences of large-scale extraction. The question remains whether the economic benefits outweigh the potential environmental and cultural costs.

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Taming the Internet Beast: A Smart Home Approach to Moderation

2025-06-22
Taming the Internet Beast: A Smart Home Approach to Moderation

Tired of internet distractions, the author built a smart home system to control social media access. Using AdGuard Home, Home Assistant, and a Zigbee smart plug, they created an automation: a button press temporarily disables AdGuard's filtering for 15 minutes, followed by a one-hour cooldown. The article details the setup, including AdGuard Home API configuration and Home Assistant automation, offering a practical solution for managing internet usage and combating addiction.

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Development internet control

Snap Scope: Find Your Perfect Focal Length

2025-01-24
Snap Scope: Find Your Perfect Focal Length

Snap Scope is an app that helps you discover your favorite focal lengths. By analyzing your existing photos, it intelligently identifies your commonly used focal ranges and recommends lenses you might like. Say goodbye to focal length decision paralysis; Snap Scope helps you easily find the best shooting angle and improve your photography.

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Design focal length app

Framework Expands Beyond Laptops: Desktops and a Student-Focused Convertible Arrive

2025-02-26
Framework Expands Beyond Laptops: Desktops and a Student-Focused Convertible Arrive

Framework unveiled its second-generation products, including an updated Framework Laptop 13 with AMD Ryzen AI 300, a 4.5-liter Mini-ITX desktop powered by Ryzen AI Max and Radeon 8060S graphics, and a new 12-inch convertible laptop aimed at students. The desktop, a significant expansion into a new market, emphasizes customizability and boasts 1440p gaming capabilities. The company highlights the repairability and modularity characteristic of its previous laptops across its new lineup. Prices range from $899 to $1999.

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Hardware

Lightweight Sum Types and Switches for Lua: lua-match

2024-12-31
Lightweight Sum Types and Switches for Lua: lua-match

lua-match is a minimalistic Lua library providing sum types and switch functionality. It leverages a tagging function for a clean and efficient way to handle various data types and conditional branching. With a simple tagging function and a switch table, you can easily implement sum type-like behavior and pattern matching, simplifying your Lua code significantly. The library is open-source and uses the MIT license.

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Development Sum Types

VisuAlgo: A Decade-Long Visualization Project at NUS

2025-03-19
VisuAlgo: A Decade-Long Visualization Project at NUS

VisuAlgo, a project spearheaded by Associate Professor Steven Halim at the National University of Singapore (NUS), has been developed over a decade with contributions from numerous undergraduate researchers and final-year project students. The project focuses on creating and maintaining a visualization tool for teaching algorithms, supported by grants from NUS CDTL and a generous donation from Optiver. The team continuously updates and improves VisuAlgo, providing high-quality algorithm visualization resources to a global audience.

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Development

Saying Goodbye to Traditional Tiling Window Managers: Embracing the Infinite Space of Niri

2025-03-12
Saying Goodbye to Traditional Tiling Window Managers: Embracing the Infinite Space of Niri

The author, a long-time user of tiling window managers (Sway and i3), recently switched to the innovative Niri window manager due to a bug in Sway. Niri uses a scrollable tiling design, solving the space limitations of traditional tiling managers. The author details comparisons between Niri and Sway, highlighting Niri's superior screen sharing, screenshot capabilities, battery life, and ease of hacking. He argues that Niri breaks the artificial space constraints of traditional tiling managers, boosting productivity, and highly recommends it to others.

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Development

FastAnime: Your Terminal-Based Anime Experience

2025-01-28
FastAnime: Your Terminal-Based Anime Experience

FastAnime is a command-line tool that lets you browse and watch anime directly from your terminal. It integrates with AniList for powerful searching and downloading capabilities, and offers extensive customization options. Users can browse anime, download videos, manage cache, and more, all through a well-designed CLI. It supports MPV player, provides desktop notifications, and offers convenient keybindings. FastAnime is easy to install with support for various package managers and operating systems, boasting a rich set of command-line options and customization features for a streamlined and powerful anime-watching experience.

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Development anime

Blender Now Natively Supports Windows 11 on Arm, Boasting Huge Performance Gains

2025-08-13
Blender Now Natively Supports Windows 11 on Arm, Boasting Huge Performance Gains

Thanks to a collaboration between Microsoft, Linaro, and Qualcomm, the Blender 3D creation suite now natively supports Windows 11 on Arm. Blender 4.5 LTS leverages a Vulkan graphics backend and the Adreno GPU in Snapdragon X chips, resulting in drastically improved viewport playback (up to 6x faster) and rendering performance (up to 4.5x faster). Future plans include hardware-accelerated ray tracing for Cycles on Snapdragon X by 2026.

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Development

Why My Personal Website Is Built With C

2025-03-30

The author, blogging since 2017, tried Django and Nuxt.js for their website, but abandoned them due to high maintenance costs. They finally chose C and the md4c library to build a static site, prioritizing speed, minimal dependencies, and long-term stability. This significantly reduced maintenance overhead. In contrast, the author found other static site generators like Hugo to be overly powerful and unnecessarily complex for their needs.

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YC-backed Structured is Hiring a Founding Engineer

2025-01-28
YC-backed Structured is Hiring a Founding Engineer

Structured, a Y Combinator-backed startup, is seeking a founding engineer. Structured is redefining how developers build and deploy data apps by consolidating the entire analytics stack into code. They're looking for an ambitious, scrappy, and product-minded engineer to build the core SDK, design interactive components, and tackle challenging problems like real-time data sync and cloud deployments. This is a chance to join a stellar team of ex-Meta engineers, own significant equity, and shape a startup from the ground up.

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Development

Ordered Concurrency in Go: Achieving Speed Without Sacrificing Order

2025-09-01
Ordered Concurrency in Go: Achieving Speed Without Sacrificing Order

Go's concurrency is a powerful feature, but it can disrupt the natural order of data processing. This article explores three approaches to building a high-performance ordered concurrent map in Go. The author presents three methods: a reply-to channel approach, a sync.Cond based turn-taking approach, and a permission-passing chain approach. Benchmarks reveal the permission-passing chain, especially when combined with a channel pool to eliminate allocations, as the clear winner in terms of performance and memory efficiency. This method cleverly uses channels for efficient point-to-point signaling, avoiding the 'thundering herd' problem and achieving a balance between concurrency and order.

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The Vim Community's Heroic Effort After Bram Moolenaar's Passing

2025-02-16
The Vim Community's Heroic Effort After Bram Moolenaar's Passing

Following the passing of Bram Moolenaar, Vim's creator, in August 2023, the open-source community rallied to keep his project alive. Maintainer Christian Brabandt recounted the inspiring story at VimConf 2024, detailing the challenges overcome: inheriting the GitHub account, migrating infrastructure, and onboarding new maintainers. While Vim is now in maintenance mode, focusing on bug fixes and smaller features, the community remains active, improving documentation and processes to ensure Vim's long-term health. Vim 9.1, dedicated to Moolenaar, was released in January 2024.

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Development

Auntie PDF: Your Go-To PDF Helper

2025-03-08
Auntie PDF: Your Go-To PDF Helper

Auntie PDF is a smart PDF processing tool that acts like your all-knowing aunt, helping you easily understand and extract key information from your PDFs. Simply upload your PDF, and Auntie PDF, powered by advanced OCR technology, will extract all important text and organize it for you, allowing for quick comprehension. It supports various PDF types, but it's best to avoid password-protected files and ensure clear text within the document.

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RaptorCast: A High-Performance Messaging Layer for Blockchains

2025-06-20

RaptorCast tackles the performance, security, and robustness challenges of block propagation in Proof-of-Stake blockchains. It leverages UDP for speed, compensating for packet loss with R10 encoding and ensuring data integrity through Merkle tree signatures. Its two-hop structured broadcast strategy distributes data based on validator stake, employing redundancy to guarantee data availability even with packet loss and malicious actors. This approach enables efficient block proposal dissemination.

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AI: The Next Cloud Computing?

2025-01-21

This article draws a parallel between the current AI boom and the cloud computing wave of 20 years ago. The author argues that while AI, particularly Large Language Models (LLMs), shows immense potential, its development path remains uncertain, much like the early days of cloud computing where many predictions failed to materialize. The author points out that AI's success relies on deep learning, powerful computing resources, and massive datasets, but it also faces challenges such as model size, energy consumption, data bias, and copyright issues. He suggests that the future direction of AI may go beyond current expectations and requires incorporating research from fields like cognitive science for a more comprehensive understanding and application of AI.

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AI

Kamal's Killer: Deploying Rails with Dokku

2025-01-21
Kamal's Killer: Deploying Rails with Dokku

Basecamp's Kamal offers a solution for deploying Rails on bare metal, but it's not the easiest tool to use. This article champions a simpler alternative: Dokku – essentially Heroku, self-hosted. The author provides a step-by-step guide to deploying a Rails app using Dokku, covering installation, app creation, database configuration (PostgreSQL), environment variable setup, domain and SSL configuration (with Let's Encrypt), and using a Procfile for web and release processes. A bonus section introduces the Deployless gem, automating the entire deployment process for streamlined efficiency.

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Development

Steam Deck: More Than a Handheld, a Symbol of Freedom

2025-04-03

The Steam Deck's success isn't due to exceptional battery life or top-tier performance, but rather its underlying philosophy: freedom and openness. Running a customized version of Arch Linux, it lets users install any software and even replace parts themselves. This contrasts sharply with closed mobile systems, showcasing respect for user autonomy. While Valve's libertarian approach has drawn criticism, such as silence on social issues and tolerance of gambling websites, the Steam Deck remains an excellent example of balancing commercial interests with user freedom. It has fueled the growth of the Linux gaming ecosystem, providing players with a more open gaming experience.

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How 168 Spanish Soldiers Conquered a Million-Strong Inca Empire

2025-03-29
How 168 Spanish Soldiers Conquered a Million-Strong Inca Empire

This article recounts the incredible story of 168 Spanish soldiers conquering the Inca Empire, a civilization boasting millions of inhabitants. The author delves into Pizarro's conquest, examining his background, Spanish military technology (cavalry, iron weaponry, firearms), tactical superiority, and fortuitous circumstances like the Inca civil war and smallpox epidemic. A comparison with Cortes's conquest of the Aztecs is drawn, highlighting leadership, diplomacy, and brutality. Ultimately, the article argues that the Spanish success stemmed not only from technological and tactical advantages but also from the exceptional decision-making and strategic acumen of Pizarro and other conquistadors.

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Viral Video Debunked: The Truth Behind the 3-Year-Old Chimney Sweep

2025-05-10
Viral Video Debunked: The Truth Behind the 3-Year-Old Chimney Sweep

A viral video claiming to show a three-year-old child working as a chimney sweep sparked outrage online. However, a detailed investigation reveals a different story. By analyzing the footage's details, the author traced it to the British Pathé archive, pinpointing the location as Berlin, circa 1929-1930, not 1933 as claimed. Matching the video to a 1929 magazine photograph identified the father and son. Further research showed that child chimney sweeping was illegal in Germany at the time, and the tools used in the video were outdated. The author concludes the video likely depicts a staged scene, not actual child labor. Subsequent investigation uncovered the child's name—Horst Bohnke—and details about his parents, revealing a richer backstory.

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How a Tiny Belgian Team Conquered Live Broadcast with Elixir

2025-03-26
How a Tiny Belgian Team Conquered Live Broadcast with Elixir

Cyanview, a small Belgian company with only nine employees, has taken the live broadcast world by storm with its Elixir-powered Remote Control Panel (RCP). Used at events like the Super Bowl and Olympics, the RCP coordinates hundreds of cameras, ensuring consistent color, exposure, and other visual aspects across diverse equipment. Elixir's robust networking capabilities, fault tolerance, and efficient binary data handling enabled rapid iteration and seamless integration with various protocols and network conditions. Cyanview's success story showcases how the right technology empowers small teams to achieve remarkable results.

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Calling Strangers 'Uncle' and 'Auntie': A Global Phenomenon

2025-01-22

In many cultures, it's common to address older strangers as 'uncle' or 'aunt,' a practice the author terms 'ommerism.' This form of fictive kinship, the article argues, reflects the strength of a society's collective culture. The blog post explores this cultural practice across various regions, from Asia and Africa to the Americas, detailing the nuances of its application and its social implications.

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Slashing CI Time with AI-Powered E2E Test Selection

2025-09-06
Slashing CI Time with AI-Powered E2E Test Selection

End-to-end (E2E) tests are slow, fragile, and expensive, often run nightly due to CI bottlenecks. This leads to bugs slipping into production. This article details a solution using Claude Code to intelligently select only the relevant E2E tests for a given PR. By analyzing code changes and test files, Claude Code predicts which tests need to run, reducing testing time from 44 minutes to under 7 minutes. This significantly improves CI efficiency and prevents production bugs. While slightly costly, the savings in developer time and bug fixes make it a cost-effective solution.

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Development

Span<T> Beats memcmp: Massive Performance Gains in .NET Byte Array Comparisons

2025-03-30
Span<T> Beats memcmp:  Massive Performance Gains in .NET Byte Array Comparisons

This post benchmarks various byte array comparison methods in .NET, including `memcmp`, looping, `Enumerable.SequenceEqual`, and `Span.SequenceEqual`. Results show `Span.SequenceEqual` offers the best performance in .NET 8 and later, significantly outperforming `memcmp` and traditional looping, even on .NET Framework. For small arrays, looping is fastest, but `Span.SequenceEqual`'s advantage grows dramatically with array size. The author recommends using `IEnumerable.SequenceEqual` in .NET 8+ and `Span.SequenceEqual` in .NET Framework, avoiding `memcmp` and custom implementations.

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Development byte array comparison

arXivLabs: Experimenting with Community Collaboration

2025-02-17
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who uphold them. Have an idea for a project that benefits the arXiv community? Learn more about arXivLabs.

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Tech
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