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Sorbet's Ugly Syntax: A Necessary Evil for Ruby Type Checking?

2025-05-09

Sorbet, Stripe's Ruby static type checker, has a famously clunky syntax. In this talk, Jake explains the trade-offs behind Sorbet's design choices. While the syntax isn't pretty, semantics (what the types mean) are arguably ten times more important. Sorbet wasn't built to force static typing, but rather to address Stripe engineers' needs for improved productivity and code maintainability. The talk traces Sorbet's history, exploring various design approaches before settling on a DSL extension of existing Ruby. Future improvements are discussed, including refinements to the current syntax and integration with Ruby's RBS standard, aiming for greater ease of use and power.

(blog.jez.io)

Development Static Type Checking

Apple's Hidden History: A Mac Font's Secrets

2025-08-09

Apple's Hidden History: A Mac Font's Secrets

Hidden within macOS's Apple Symbols font lies a treasure trove of Apple's past. From the now-defunct FireWire to the Newton PDA, icons representing forgotten technologies persist. Even the PowerPC processor and the original QuickTime logo make appearances. This font acts as a time capsule, showcasing Apple's evolution. While newer icon libraries exist, these historical remnants remain in the Apple Symbols font, a fascinating glimpse into tech history.

(www.spacebar.news)

Tech Font

Windows User Base Shrinks by 400 Million: A Giant Faces Challenges

2025-07-01

Windows User Base Shrinks by 400 Million: A Giant Faces Challenges

Microsoft executives admit that the number of active Windows devices is lower than expected, with a decrease of around 400 million in the past three years. This is not simply a matter of Windows 10/11 upgrades, but a trend of users switching to smartphones and tablets, as well as alternatives like Chromebooks. While enterprise users may upgrade due to security concerns, ordinary consumers are less willing to update their systems. Apple's Mac market share is also declining, but its cost-effectiveness and portability still pose a threat to Windows. The prevalence of free online applications like Google Docs has also reduced consumer reliance on Windows, and Microsoft faces significant market challenges.

(www.tomshardware.com)

Tech user base decline

GNU FDL: Your Document's Path to Freedom

2025-04-12

The GNU Free Documentation License (FDL) ensures the freedom to copy and redistribute documents, with or without modification, for commercial or non-commercial purposes. It allows derivative works to remain free under the same conditions, while preserving attribution for the authors. The FDL covers various media, defining key concepts like "Modified Version," "Invariant Sections," and "Cover Texts." It details rules for mass copying, modifications, combining documents, and more, striking a balance between document freedom and author rights.

(protesilaos.com)

Misc free documentation

WT32-ETH01: A Cheap ESP32 Ethernet Development Board

2025-06-15

WT32-ETH01: A Cheap ESP32 Ethernet Development Board

The WT32-ETH01 is a small, inexpensive ESP32 development board featuring Ethernet, WiFi, and GPIO pins. Its low cost and the relative scarcity of ESP32 boards with Ethernet make it a compelling option for projects requiring reliable wired network connectivity. While lacking extensive manufacturer support, its ease of use and compatibility with popular programming environments like the Arduino IDE and ESP-IDF make it ideal for IoT and embedded systems development. However, users should be aware of limitations on certain pins and exercise caution when selecting power supply voltages.

(github.com)

Hardware

Space-Based Data Centers: The Solution to AI's Energy Problem?

2025-05-13

Space-Based Data Centers: The Solution to AI's Energy Problem?

StarCloud is building data centers in space to leverage abundant solar energy and passive radiative cooling for training future large AI models. They plan to launch progressively larger satellites annually, eventually reaching gigawatt scale, solving the power, water, and permitting challenges of terrestrial data centers. Their team comprises leading experts from aerospace, software, and finance, with their first satellite launching in May 2025.

(www.ycombinator.com)

Tech space data center

Overthinking GIS: A Laplacian Approach to Terrain Usability

2025-07-06

Overthinking GIS: A Laplacian Approach to Terrain Usability

The author explores a novel approach to assessing terrain usability by calculating the rate of change of terrain slope. Using DEM data from the USGS, they leverage OpenCV's Laplacian operator to compute the rate of change of pixel values in an image, reflecting changes in terrain slope. A sliding window is then used to calculate area averages, and a threshold is set to generate a binary "usability" map. The author ultimately discovers this is effectively a complex downsampling method.

(scottsexton.co)

Development Terrain Analysis

Unikernels: Your Private App Villa

2025-08-05

Unikernels: Your Private App Villa

Ever dreamed of an application environment all to yourself, like a private villa on a secluded island? Unikernels offer just that – compact, single-application virtual machines boosting speed, efficiency, and security. This article dives into what unikernels are, explores different types (focusing on Nanos), details their benefits and limitations, and provides a step-by-step guide to deploying a simple Nanos application on AWS. While unikernel development presents some complexities and the ecosystem is still growing, their lightweight nature and performance advantages make them highly promising for microservices and other resource-constrained scenarios.

(tallysolutions.com)

Development

CauseNet: A Massive Web-Extracted Causality Graph

2025-09-02

Researchers have built CauseNet, a large-scale knowledge base comprising over 11 million causal relations. Extracted from semi-structured and unstructured web sources with an estimated precision of 83%, CauseNet is a causality graph usable for tasks such as causal question answering and reasoning. The project also provides code for loading into Neo4j and training/evaluation datasets for causal concept spotting.

(causenet.org)

AI

When Lore Beat Law: How England's New Year Moved from March 25th to January 1st

2025-01-01

When Lore Beat Law: How England's New Year Moved from March 25th to January 1st

Until the mid-1700s, English law dictated that the New Year began on March 25th (Lady Day), yet the populace celebrated on January 1st. This discrepancy led to dating errors in legal documents and conflicts with Scotland's January 1st New Year. A 1750 Act of Parliament finally shifted the New Year to January 1st, also adopting the Gregorian calendar. This change highlights how enduring custom eventually overruled rigid legal conventions.

(davidallengreen.com)

Misc legal history New Year England

Microsoft Shows Real-Time AI Game Generation Prototype: WHAM

2025-02-19

Microsoft Shows Real-Time AI Game Generation Prototype: WHAM

Microsoft showcased a prototype real-time AI video generation tool called WHAM. This tool instantly generates game footage based on user input, allowing scene transitions by simply feeding new sample frames. While currently limited to a very low resolution (300x180) and frame rate (10fps), with noticeable distortions, it represents a significant step towards AI-generated interactive experiences. Microsoft envisions a future where AI can create high-quality interactive games on the fly.

(arstechnica.com)

Game AI gaming real-time generation

Beyond Boring MFA: Hilariously Absurd Authentication Ideas

2025-07-30

Tired of tedious multi-factor authentication? This author shares a series of wildly creative alternatives, ranging from poker hand comparisons to Rubik's Cube puzzles, even chess matches and karaoke performances! Each idea has its quirks, some boasting high security, others prioritizing ease of use, while others are simply hilariously absurd. The author ultimately cautions that finding the balance between security and user experience is key, warning against reinventing the wheel.

(tesseral.com)

Development

Compiling with Continuations: A Retrospect and Review

2025-09-20

This review revisits Appel's 1992 book, "Compiling with Continuations." The author delves into the book's detailed explanation of compilation techniques using continuations, covering topics such as the MiniML language, lexing, parsing, the CPS language, closure conversion, register spilling, and the virtual machine. While lacking exercises and showing its age in some aspects, the book offers valuable insights into Standard ML and continuation-passing style, particularly for those studying compiler design and functional programming. However, ambiguities in implementation details and a lack of discussion on modern compiler technology make for a challenging read.

(swatson555.github.io)

Development continuations

AI Risks and Human Cognitive Biases: A Cross-Disciplinary Study

2025-05-26

AI Risks and Human Cognitive Biases: A Cross-Disciplinary Study

Dr. Uwe Peters and Dr. Benjamin Chin-Yee, with backgrounds in neuroscience, psychology, philosophy, and hematology, are collaborating on research into the societal risks of artificial intelligence and the impact of human cognitive biases on science communication. Their work, which began during postdoctoral research at Cambridge University, focuses on exaggerations and overgeneralizations in human and LLM science communication. Their interdisciplinary approach offers fresh insights into understanding AI risks and improving the accuracy of science communication.

(www.uu.nl)

AI

Colorado Springs' Top-Rated Restaurants: A Comprehensive List

2025-02-17

This list compiles reviews from numerous restaurants in Colorado Springs, offering a diverse culinary landscape from authentic Cuban food to Thai cuisine. Arelita Authentic Cuban Food takes the top spot with a 5-star rating and 262 reviews, while other establishments like Starving and Manitou Baked also garner high praise. This list provides a wide array of options for diners to explore based on their preferences and tastes.

(mattsayar.com)

Misc restaurant rankings Colorado Springs

Pinterest Improves Embedding-Based Retrieval for Homefeed Recommendations

2025-02-14

Pinterest Improves Embedding-Based Retrieval for Homefeed Recommendations

Pinterest's engineering team significantly improved its embedding-based retrieval system for personalized and diverse content recommendations on the Homefeed. They achieved this through advanced feature crossing techniques (MaskNet and DHEN frameworks), pre-trained ID embeddings, and a revamped serving corpus with time-decayed summation. Furthermore, they explored cutting-edge methods like multi-embedding retrieval and conditional retrieval to cater to diverse user intents, resulting in increased user engagement and saves.

(medium.com)

AI Embedding-based Retrieval

The AI Hype Cycle: Burning Out Engineers and Empty VC Pockets

2025-08-22

The AI Hype Cycle: Burning Out Engineers and Empty VC Pockets

This article details how the overuse of AI tools is leading to engineer burnout. Junior engineers are excessively relying on LLMs, submitting low-quality code that requires significant review time from senior engineers, resulting in inefficiency. This isn't isolated; many companies blindly chase AI, leading to wasted resources and project failures. The author calls for a halt to over-reliance on AI, a return to software engineering fundamentals, and a focus on developing engineers' practical skills. The current AI business model, heavily reliant on VC funding and unsustainable energy consumption, is unsustainable in the long run.

(catskull.net)

Development AI overuse

The Lies of Bestselling Business Books: Success Isn't Found in Self-Help

2025-05-19

The Lies of Bestselling Business Books: Success Isn't Found in Self-Help

This article critiques popular business books, arguing they prioritize emotional appeal over intellectual rigor. They simplify success stories into generic advice, replacing complex market dynamics with motivational slogans. The author uses personal experience and analysis of bestselling titles to expose their misleading nature. True success, the author contends, stems from focusing on reality, situational strategies, operational knowledge, compounding small decisions, and mastering relevant skills—not following feel-good mantras.

(antemedian.substack.com)

Startup self-help

Rust Macro for Batching Expensive Async Operations

2025-08-17

Rust Macro for Batching Expensive Async Operations

The `batched` Rust macro efficiently handles costly asynchronous operations in batches. Users define batch size, concurrency, and windowing parameters. It supports various return types and robust error handling, making it ideal for database inserts and other I/O-bound tasks. Designed for Tokio, it integrates with OpenTelemetry for tracing and monitoring.

(github.com)

Development

Amazon's Document Culture: The Secret to Efficient Meetings

2025-03-19

Amazon's Document Culture: The Secret to Efficient Meetings

Amazon's unique document-centric culture dramatically improves meeting efficiency. All meetings begin with reading a document containing all necessary information. This eliminates information gaps, reduces communication barriers, and greatly facilitates remote collaboration. While requiring strong writing skills and presenting document management challenges, this approach significantly boosts team collaboration and ensures participants are well-prepared, minimizing wasted time.

(justingarrison.com)

Misc Document Culture Meeting Efficiency Remote Collaboration

Testing Robust Netcode in Godot: A Tale of Latency and Packet Loss

2025-06-19

Testing Robust Netcode in Godot: A Tale of Latency and Packet Loss

Developing the online multiplayer aspect of Little Brats! presented a significant challenge: synchronizing computers with varying latency while maintaining fast-paced gameplay. This post details the author's journey, focusing on lag compensation, prediction/reconciliation techniques, and robust testing methodologies. Using Godot's ENetMultiplayerPeer class and the Linux `tc` command for simulated network conditions (latency and packet loss), the author compares the performance of reliable and unreliable network modes, providing insightful graphs and conclusions. The process highlights the complexities of building a stable online game and offers practical advice for developers.

(studios.ptilouk.net)

Development Multiplayer Game Development Network Testing

The Insane init Method That Almost Broke My Sanity

2025-04-19

The Insane __init__ Method That Almost Broke My Sanity

A Python service test intermittently failed due to a bizarre __init__ method. The FooBarWidget class, in its __init__, starts a new thread to execute its parent class FooWidget's __init__ and run methods. This design attempts to avoid blocking the main thread because zmq.Socket objects can't be moved between threads. However, closing a FooBarWidget instance too early might leave FooWidget's __init__ unfinished, resulting in a missing 'should_exit' attribute and an error. This humorous account details the debugging ordeal and explores the rationale behind this unconventional design.

(ohadravid.github.io)

Development

The Housing Market's Fragility: Is Building More the Answer?

2025-07-21

The Housing Market's Fragility: Is Building More the Answer?

The prevailing belief is that increasing housing supply will lower prices and solve the affordability crisis. However, recent price drops in several US cities have triggered panic, not celebration. Developers are pulling out, lenders are tightening, and policymakers are scrambling to bail out the system. The article argues the problem isn't a lack of supply, but the fragility of the financial system. The current housing market treats homes as financial products, not shelter; price drops are seen as risk signals, leading to decreased, not increased, supply. The article calls for a bottom-up approach, focusing on local, small-scale affordable housing to build a healthier, more resilient housing ecosystem, rather than relying on national-level financial engineering and subsidies.

(clmarohn.substack.com)

Tech real estate market

Why Array Indices Should Start at Zero

2025-03-21

This essay argues why array indices in computer science should begin at zero, not one. Through mathematical reasoning and examples from programming languages, the author demonstrates the superiority of zero-based indexing: it's more mathematically consistent, avoids ambiguous boundary conditions, and leads to cleaner, more efficient code. The piece also touches upon historical inconsistencies in programming language index choices and their resulting inconveniences.

(www.cs.utexas.edu)

Development indexing arrays

Accidental Discovery: The Serendipitous Invention of Stainless Steel

2025-06-22

Accidental Discovery: The Serendipitous Invention of Stainless Steel

Harry Brearley, a Sheffield boy obsessed with steel from a young age, stumbled upon stainless steel quite by accident. Initially trying to solve rifle barrel erosion, he discovered a non-rusting chromium steel during a chance experiment. Despite initial lack of interest, Brearley's persistence and attention to detail led to this world-changing material becoming ubiquitous. This is a story about curiosity, perseverance, and accidental discovery, highlighting the fascinating interplay of chance and necessity in technological advancement.

(nautil.us)

Tech

AI-Assisted Coding: Efficiency Gains and Hiring Challenges

2025-02-15

The author shares their experience using AI for coding, highlighting increased efficiency and reflecting on current flaws in software engineer recruitment. AI tools enabled the author to handle more complex code, improve code quality, and reduce tedious tasks. However, the author notes that some companies prohibit AI use during interviews, overlooking engineers' systemic thinking abilities. The author argues that recruitment should focus more on problem-solving skills and imagination, rather than rote memorization and retrieval. The article also discusses strategies for choosing primary keys in different databases and balancing development efficiency with data integrity.

(scott-fryxell.github.io)

Development

Google's Honest (and Uncommon) Take on Pixel's Water Resistance

2025-08-22

Google's Honest (and Uncommon) Take on Pixel's Water Resistance

Google's advertising materials surprisingly admit that no phone is truly waterproof or dustproof. While Pixel phones may boast an IP68 rating upon leaving the factory, this protection degrades over time due to wear, damage, or drops; liquid damage voids the warranty. This unusual transparency highlights the often-blurred line between marketing and reality in the mobile industry.

(www.theverge.com)

Tech phone waterproofing Google Pixel marketing transparency

Microsoft's Quiet Breakup with OpenAI: An AI Power Struggle

2025-03-10

Microsoft's Quiet Breakup with OpenAI: An AI Power Struggle

Microsoft is quietly distancing itself from OpenAI, developing its own in-house reasoning model, MAI, and testing models from xAI, Meta, and DeepSeek as potential ChatGPT replacements in Copilot. Driven by concerns over ChatGPT's cost and speed, and hampered by OpenAI's reluctance to share documentation on its o1 model, Microsoft's massive investment and initial partnership seem to be dissolving into a fierce AI competition. Both companies are vying for market share, promising an exciting future for the AI landscape.

(gizmodo.com)

Tech

Microsoft Locks AI Features in Notepad and Paint Behind Microsoft 365 Paywall

2025-03-16

Microsoft Locks AI Features in Notepad and Paint Behind Microsoft 365 Paywall

Microsoft has announced that several new features in Notepad and Paint, such as AI text rewriting in Notepad and AI image generation in Paint, will be restricted to Microsoft 365 subscribers. Previously, Windows Insiders could use these features for free, but Microsoft is now putting them behind a paywall. This means even core Windows apps like Notepad and Paint now require a paid subscription to unlock advanced AI capabilities. The move has sparked some controversy, as Notepad and Paint have historically been free components of Windows.

(www.pcworld.com)

Tech

A Raspberry Pi Cluster: Two Years in the Making (and Why It Might Not Be Worth It)

2025-09-19

After a two-year wait, the author finally assembled a 10-node Raspberry Pi cluster boasting 160GB of RAM. Following multiple rebuilds and extensive benchmarking, the cluster achieved 325 Gflops on the HPL benchmark, exhibiting slightly better energy efficiency than an $8000 Framework Desktop cluster. However, AI inference performance lagged significantly behind the Framework cluster due to llama.cpp's inability to leverage the Pi 5's iGPU. The conclusion? This cluster excels in high-density, low-power scenarios, but isn't cost-effective for most users.

(www.jeffgeerling.com)

Hardware Raspberry Pi Cluster

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