Teal: A Statically-Typed Lua Dialect

2025-05-16

Teal is a statically-typed dialect of Lua, extending Lua with type annotations for arrays, maps, records, interfaces, union types, and generics. It aims to fill a niche similar to TypeScript in the JavaScript world, but maintaining Lua's minimalism, portability, and embeddability. The Teal compiler, `tl`, compiles `.tl` source code into `.lua` files. Installation is via LuaRocks, with pre-compiled binaries available for Linux and Windows. A build tool, Cyan, is recommended for larger projects. VS Code and NeoVim extensions are also available. The project is open source under the MIT license.

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Development

Remaking Daft Punk's "Something About Us" in Ableton Live 12: A Deep Dive

2025-04-05
Remaking Daft Punk's

The author remade Daft Punk's classic track "Something About Us" using Ableton Live 12 and shares the entire production process. The article details the creation of each track, including instrument choices, effects, and techniques. It delves into the origins and characteristics of the "French Touch" music style and the challenges and solutions encountered during the remake. The author completes the project and gives high praise to Ableton Live 12, calling it their DAW of choice.

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Elegantly Solving the Problem of Anchor Links on Extremely Long Pages

2025-04-03
Elegantly Solving the Problem of Anchor Links on Extremely Long Pages

This article tackles the problem of anchor links failing to scroll to the correct heading on very long pages. The author explores several solutions, starting with simple padding adjustments, then shifting trigger lines, and finally employing a sophisticated approach involving virtual headings and an optimization algorithm. A cubic polynomial function ensures smooth transitions, addressing issues of layout and user experience. The optimal solution balances maintaining original heading positions with preserving section spacing, resulting in a robust and elegant solution for extremely long pages.

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Development

Hoppscotch: A Lightweight API Development Tool

2025-02-01
Hoppscotch: A Lightweight API Development Tool

Hoppscotch is a lightweight and fast API development tool with a minimalist UI and comprehensive features. It supports various HTTP methods, theme customization, PWA installation, WebSocket, Server-Sent Events, Socket.IO, MQTT, and GraphQL. Advanced features include request history, collection management, pre-request scripts, post-request tests, environment variables, team collaboration, and workspace management, enabling efficient API testing and development. Users can easily create and manage API requests and share and collaborate in various ways.

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ICONIC: Sleek Skill Icons for GitHub READMEs

2025-06-15
ICONIC: Sleek Skill Icons for GitHub READMEs

ICONIC is a developer-focused library of stylish, bubble-shaped skill icons designed for GitHub READMEs, portfolios, and resumes. Featuring clear and aesthetically pleasing bubble icons, light and dark theme variants, and easy Markdown/HTML embedding, ICONIC also offers an HTML preview API (Django backend) and downloadable SVGs for effortless skill showcasing.

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Development icon library

Say Goodbye to ERB: Crafting Email Templates in Pure Ruby with Phlex

2025-03-03
Say Goodbye to ERB: Crafting Email Templates in Pure Ruby with Phlex

Tired of using ERB for email templates in Rails? This article demonstrates how to use Phlex, a Ruby library, to write HTML email templates in pure Ruby, eliminating the hassle and inefficiency of ERB. The author details the steps to migrate from ERB to Phlex, including creating Phlex views and layouts, and using roadie-rails for inline styles, ultimately achieving the elegant goal of a zero-ERB Rails application. The article also includes complete code examples and test cases to help readers get started quickly.

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Development Email Templates

Is Creating a Perfectly Spherical Prince Rupert's Drop Possible?

2024-12-14
Is Creating a Perfectly Spherical Prince Rupert's Drop Possible?

An engineering question explores the possibility of creating a perfectly spherical Prince Rupert's drop. Prince Rupert's drops are glass objects formed by dripping molten glass into cold water, their unique internal stresses making them incredibly tough except at the tail. The article discusses how, theoretically, in a zero-gravity environment by controlling the cooling rate and removing the effects of gravity, a spherical Prince Rupert's drop could be made, but significant practical challenges remain.

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Rust's Vec::drain: Leveraging Drop for Safety

2024-12-16
Rust's Vec::drain: Leveraging Drop for Safety

This article delves into Rust's Vec::drain method and its Drop implementation, showcasing how ownership prevents subtle bugs—memory-related and otherwise. Vec::drain optimizes performance by maintaining a mutable reference to the original vector and only reading/updating the original storage. The key lies in the Drain struct's Drop implementation, which uses a DropGuard to ensure that even if the iterator is dropped prematurely, remaining elements are safely moved back into the original vector, guaranteeing memory safety. The article thoroughly explains the implementation details of Drain and DropGuard, addressing special cases like zero-sized types and pointer provenance.

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Development

Self-Proclaimed 'First AI Software Engineer' Fails Miserably in Real-World Tests

2025-01-26
Self-Proclaimed 'First AI Software Engineer' Fails Miserably in Real-World Tests

Devin, marketed as the first AI software engineer, has fallen short of expectations in recent evaluations. Despite claims of building and deploying apps end-to-end and autonomously fixing bugs, Devin succeeded in only 3 out of 20 tasks. Testers found Devin struggled with straightforward tasks, getting stuck in technical dead-ends and pursuing impossible solutions. While offering a polished user experience, its infrequent success and tendency to waste time on unachievable goals highlight the limitations of current AI technology and raise concerns about the hype surrounding AI tools.

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Web Server Listen Overflows Traced to a Linux Kernel Performance Issue

2025-02-14

Upgrading web servers from CentOS to Ubuntu led to listen overflow errors. Investigation revealed a system CPU spike on newly booted Ubuntu hosts within minutes of startup, causing slow web request processing and subsequent listen overflows. The culprit was inode cgroup switching in the Linux kernel; after writing many files, the kernel spent significant time moving inodes between cgroups. Disabling the io or memory controllers in systemd resolved the issue. CentOS was unaffected as it uses cgroups v1, unlike Ubuntu's cgroups v2. A minimal reproduction script was created to demonstrate the issue.

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Development Performance Issue

Hyperlight Wasm: Blazing Fast, Secure, and Compatible WebAssembly Micro-VM

2025-03-26
Hyperlight Wasm: Blazing Fast, Secure, and Compatible WebAssembly Micro-VM

Microsoft's open-source Hyperlight project gets a major update: Hyperlight Wasm. It's a WebAssembly-based micro-VM capable of running components written in various programming languages at incredible speeds while maintaining security and compatibility. Leveraging WASI and the WebAssembly Component Model, Hyperlight Wasm runs programs without a full operating system, boasting millisecond-level startup times. The article details Hyperlight Wasm's workings and demonstrates its usage with a UDP echo example, highlighting its performance and security advantages, and its potential applications in Azure services.

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Development Micro-VM

Open-Source 16mm Film Projector: LaborBerlin's Journey

2025-06-21

The LaborBerlin team is developing a state-of-the-art, open-source 16mm film projector to address the challenges of aging equipment, limited flexibility, and archival projection needs. Their approach leverages readily available projector mechanisms and lenses, incorporating a modular design, open-source technologies, and commonly available parts. After disassembling and analyzing various vintage projectors, the team successfully tested an 800W high-brightness LED light source with a water-cooling system, overcoming a major hurdle in lamp upgrades. Following feedback at the ALUD festival, they resolved flickering issues. The resulting prototype boasts superior brightness and clarity compared to traditional xenon lamp projectors.

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hyveOS: Serverless Swarm Orchestration for Drones and Robots

2025-01-17

hyveOS is a decentralized system for coordinating swarms of robots and drones, eliminating the need for internet connection or central servers. Developers can install hyved on various devices (like Raspberry Pis) and use diverse SDKs (including Python, Rust, JavaScript, etc.) to build applications. Its core strength lies in its decentralized architecture, enabling flexible and reliable swarm control adaptable to complex scenarios. Sample applications are provided for easy onboarding.

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Development

Microsoft Bets Big on AI Agents: The Demise of Traditional Business Apps?

2025-08-19
Microsoft Bets Big on AI Agents: The Demise of Traditional Business Apps?

Microsoft executives boldly predict that traditional business applications will be a relic of the past by 2030, replaced by AI-powered "business agents." These AI agents will leverage generative AI and vector databases to dynamically adapt to user needs and optimize workflows in a goal-oriented manner. This prediction has sparked industry debate, with some questioning its optimism and the feasibility of rapid enterprise transformation, while others see it as a major shift requiring businesses to embrace AI to avoid obsolescence. Microsoft plans to gradually transition customers to this new model by offering AI agents as add-on services for existing applications.

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Tech

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

The Royal Navy's Century-Long Battle Against Lightning Rods

2025-03-07
The Royal Navy's Century-Long Battle Against Lightning Rods

In the mid-18th century, Benjamin Franklin elucidated the nature of lightning and advocated for lightning rods. Yet, a century later, the British Navy remained unconvinced. Dr. William Snow Harris invented a shipborne lightning rod system and demonstrated its principles through an ingenious booklet with interactive, gold-leafed illustrations. Despite his decades-long efforts, backed by data, experiments, and key lightning incidents, the Navy resisted. Only after political maneuvering was Harris finally successful in 1842, getting his lightning rods installed on all Royal Navy vessels. His victory was short-lived, however; the advent of ironclad ships rendered them obsolete. This story highlights the enduring struggle between scientific discovery and political decision-making.

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Steve Jurvetson: The Space-Obsessed VC Who Backed Tesla and SpaceX

2025-02-04
Steve Jurvetson: The Space-Obsessed VC Who Backed Tesla and SpaceX

This article profiles Steve Jurvetson, a legendary Silicon Valley venture capitalist whose office is a museum of space artifacts. His unique investment philosophy—backing only history-making innovations—led him to invest in transformative companies like Hotmail, Skype, Tesla, and SpaceX. The piece traces his journey from a curious childhood filled with scientific exploration to his rapid-fire academic career at Stanford, his close relationships with Steve Jobs and Elon Musk, and his distinctive investment approach. Jurvetson emphasizes the importance of maintaining a 'childlike mind' as key to staying ahead of the curve in the investment world.

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Startup Tech Investing

A Transputer Emulator in JavaScript: A 90s OS Reborn in Your Browser

2025-04-04
A Transputer Emulator in JavaScript: A 90s OS Reborn in Your Browser

A developer has ported their C-based Transputer emulator to JavaScript. Surprisingly fast, this emulator comes pre-loaded with a full-blown operating system from Spring 1996, including a C compiler, assembler, 3D modeler, and ray tracer. Users can experience this retro OS directly in their browser, running commands and even attempting to self-compile the C compiler! This showcases the advancements in JavaScript JIT compilation and the developer's passion for retro technology.

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Development Retro OS

HTMX v2.0.4 Release Notes: Bug Fixes and Improvements

2024-12-14
HTMX v2.0.4 Release Notes: Bug Fixes and Improvements

The HTMX v2.0.4 release notes detail numerous bug fixes and improvements. This release focuses on stability and compatibility enhancements, including fixes for nested shadow root issues, improved `hx-boost` behavior on forms, better support for Web Components and Shadow DOM, and updated extensions for improved performance and reliability. Adjustments to the `htmx.ajax` function and optimizations to `hx-trigger` event handling are also included.

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Development Release Bug Fixes

NeatShift: A Modern Windows File Organization Tool

2024-12-27
NeatShift: A Modern Windows File Organization Tool

NeatShift is a modern Windows application designed to help users organize their files and folders efficiently and safely using symbolic links. It features a clean interface, drag-and-drop functionality, link management, and error prevention. The application is easy to install and run, requiring no additional dependencies. Currently in testing, it includes automatic system restore point creation for safety, though manual backups are strongly recommended.

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OpenAI Whistleblower's Death Questioned, Second Autopsy Ordered

2024-12-27
OpenAI Whistleblower's Death Questioned, Second Autopsy Ordered

The death of former OpenAI researcher Suchir Balaji, found dead in his San Francisco apartment, has been ruled a suicide. However, Balaji's parents are contesting this conclusion, commissioning a second independent autopsy. Balaji had recently become a whistleblower, publicly accusing OpenAI of using copyrighted material to train ChatGPT. His parents claim he showed no signs of suicidal tendencies and was optimistic about the future, planning to establish a non-profit focused on machine learning. The case has sparked public speculation and calls for a thorough investigation.

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US, UK, and Australia Sanction Russian 'Bulletproof Hosting' Provider Zservers

2025-02-11
US, UK, and Australia Sanction Russian 'Bulletproof Hosting' Provider Zservers

The US, UK, and Australia have jointly sanctioned Zservers, a Russian 'bulletproof hosting' provider, and several individuals linked to it. Zservers provided services to the LockBit ransomware operation, helping them evade law enforcement. This trilateral action aims to disrupt cybercrime and protect national security. Sanctions target Zservers, its UK subsidiary XHOST Internet Solutions, and six key individuals, two of whom are alleged Zservers administrators accused of providing services to LockBit and other ransomware groups, and managing related cryptocurrency transactions.

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Tech

AI Makes Strides in Mathematics: OpenAI's o3 Model Achieves Remarkable Score on FrontierMath Dataset

2024-12-23
AI Makes Strides in Mathematics: OpenAI's o3 Model Achieves Remarkable Score on FrontierMath Dataset

OpenAI's new language model, o3, achieved a 25% accuracy rate on the FrontierMath dataset, sparking a debate within the mathematics community about AI's mathematical capabilities. FrontierMath is a secret dataset containing hundreds of complex mathematical problems that require calculating specific numerical values rather than simply proving theorems. o3's performance is surprising, as it surpasses the previous limitations of AI, which could only solve problems at the level of math olympiads or undergraduate studies. While the dataset's difficulty and sample representativeness remain debated, this achievement marks significant progress for AI in mathematics, prompting reflections on AI's future development and the direction of mathematical research.

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AI

American Singer Caught in East German Underground

2025-03-09
American Singer Caught in East German Underground

Popular American singer Nick Rivers travels to East Germany for a music festival and falls for the gorgeous Hillary Flammond, becoming entangled in an underground resistance movement. He teams up with Agent Cedric and Hillary to rescue her father, Dr. Paul, a scientist captured by the Germans who want him to build a new naval mine.

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Game spy

Pseudonymity in Academic Publishing: A Wikipedia Edit Sparks Debate

2024-12-27

A paper on editing mathematics on Wikipedia has sparked a debate about pseudonymity in academic publishing. One of the authors used the Wikipedia pseudonym "XOR'easter," but the American Mathematical Society (AMS) refused to publish the paper because they didn't know the author's real-world identity. This highlights the conflict between internet pseudonymity and traditional academic publishing, and the question of how readily academia accepts anonymous publications. The authors argue that Wikipedia's pseudonymity policy protects editors, and that academia needs to rethink the meaning of anonymous publication.

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arXivLabs: Experimental Projects with Community Collaborators

2025-02-07
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Participants embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv only works with partners adhering to these principles. Got an idea to enhance the arXiv community? Learn more about arXivLabs.

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Development

MALIBAL: Linux Hardware Manufacturer's Bizarre Business Practices and 'Zombiegate'

2025-03-03
MALIBAL: Linux Hardware Manufacturer's Bizarre Business Practices and 'Zombiegate'

A Linux hardware manufacturer, MALIBAL, is embroiled in controversy due to its aggressive customer communication and erratic business practices. The author recounts their experience with MALIBAL, detailing how the company insulted customers and partners, referring to them as "zombies." The article exposes MALIBAL's bizarre actions, such as banning entire countries and technologies (like Google and Apple products). Their collaboration with the Coreboot project also ended in acrimony, with mutual accusations and personal attacks. The article humorously reveals serious internal problems within the company, prompting questions about its business model and management.

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GGML Training Advancement: A MNIST VAE Training Example

2024-12-22
GGML Training Advancement: A MNIST VAE Training Example

GitHub user bssrdf shared an example of training a MNIST VAE using the GGML library. This example aims to use only the GGML pipeline and its ADAM optimizer implementation, filling a gap in available GGML training examples. Modifications were made to the ADAM and LBFGS optimizers for GPU backend compatibility, and several missing operators and optimizer hooks were added for testing and sampling. The results after 10 epochs were satisfactory.

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AI

YC-Backed San Francisco Team Building High-Performance Infrastructure

2025-03-19
YC-Backed San Francisco Team Building High-Performance Infrastructure

A tightly-knit team based in San Francisco is hiring. They serve clients ranging from fast-growing startups to established enterprises, prioritizing security, reliability, and performance. They are obsessed with customer feedback and build future-proof solutions. Backed by Y Combinator, General Catalyst, SV Angel, and founders from companies like Vercel, Slack, Dropbox, Replit, Stripe, and Algolia.

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The Secret Weapon for Diffusing Toxic Meetings: Naming What's Happening

2025-02-16
The Secret Weapon for Diffusing Toxic Meetings: Naming What's Happening

This article reveals a powerful technique for resolving conflict in meetings: simply stating what's happening in the room. The author argues that many meetings devolve into unproductive arguments due to clashing priorities, emotions, and unspoken tensions. Instead of engaging in the conflict, the solution is to directly name the collective experience, e.g., "I'm sensing a lot of frustration in the room." This disrupts negative patterns, creates shared awareness, and paves the way for more productive communication and problem-solving. The article provides tactical tips, including using "I" statements, avoiding singling out individuals, and knowing when to escalate.

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