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Tabular Programming on an 8-Button Device: A Minimalist Approach

2025-04-21

Inspired by the m8 portable music sequencer, the author proposes a minimalist programming environment based on a tabular interface. This environment, requiring only 8 buttons and a small screen, uses a structured table (functions limited to five expressions) and context menus to eliminate keyboard input. This constraint promotes modular, maintainable code and reduces syntax errors. The article demonstrates the programming approach and capabilities using classic demoscene effects (plasma and tunnel), exploring potential applications in pixel art editors, music tools, and more.

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(sam.elborai.me)
Development minimalist programming tabular programming

Facebook Marketplace: Connection or Transaction?

2025-04-12
Facebook Marketplace: Connection or Transaction?

The rise of Facebook Marketplace is surprising. It's a massive virtual flea market, rough around the edges yet surpassing eBay in user base. The pandemic and inflation fueled its growth, attracting younger users. The author found that excessive Facebook use increased spending, but distancing from the platform eliminated the temptation of its targeted ads. The article explores Facebook's core nature: does it connect people or facilitate transactions? The rise of Buy Nothing groups, a mutual aid gifting model, suggests a different answer: genuine connection isn't built on transactions.

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(www.theatlantic.com)
Misc

Efficient Bit-Packed Integer Vectors in Rust: O(1) Random Access with Bit Compression

2025-09-25
Efficient Bit-Packed Integer Vectors in Rust: O(1) Random Access with Bit Compression

This article explores the engineering challenges of implementing an efficient vector-like data structure in Rust that stores integers in a compressed, bit-packed format while achieving O(1) random access performance and minimizing memory usage. The article details the implementation of bit packing and access, crossing word boundaries, unaligned access, iterators, and mutability, and demonstrates its performance advantages through benchmark results. Furthermore, the article discusses the architectural design of this data structure, including abstractions over the physical storage layer and logical type layer, and the use of a builder pattern, offering new ideas for building efficient and flexible data structures.

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(lukefleed.xyz)
Development Bit Packing

AI is Turning Us Into Glue: A Software Engineer's Anxiety

2025-04-17

The rapid advancement of AI, particularly large language models, is dramatically changing the daily work of software engineers. The author, a software engineer, finds that AI can quickly solve thorny bugs and refactor code, increasing efficiency but robbing him of the pleasure of tackling complex problems and deeply understanding system architecture. The author anticipates AI will excel at most "deep linear thinking" tasks, leaving humans to act as the "glue" connecting AI to the real world, handling mundane tasks like configuring cloud services or wiring hardware. He expresses anxiety about the future, fearing many jobs will disappear and that even new opportunities will likely involve repetitive, unfulfilling "glue" work.

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(lincoln.swaine-moore.is)
Development

US Airlines Push for Deregulation, Threatening Passenger Rights

2025-09-24
US Airlines Push for Deregulation, Threatening Passenger Rights

Major US airlines, including American, Delta, Southwest, and United, are pushing for deregulation, claiming it will lower costs and boost competition. However, this move risks significantly eroding passenger rights and increasing hidden fees. Key protections at stake include automatic refunds for cancellations, transparent pricing, and guaranteed family seating. While airlines argue deregulation will lower fares, the likely outcome is more fees, less accountability for service failures, and a diminished sense of consumer protection. This could lead to a more expensive and opaque air travel experience for passengers.

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(www.travelandtourworld.com)
Tech airline deregulation passenger rights hidden fees

arXivLabs: Experimental Projects with Community Collaboration

2025-05-23
arXivLabs: Experimental Projects with Community Collaboration

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

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(arxiv.org)
Development

Xbow Reports Nearly 1,000 Vulnerabilities, Including a Zero-Day in Palo Alto Networks VPN

2025-07-06
Xbow Reports Nearly 1,000 Vulnerabilities, Including a Zero-Day in Palo Alto Networks VPN

Security research firm Xbow submitted nearly 1,060 vulnerabilities to HackerOne in the last 90 days, including critical flaws like remote code execution and information disclosure. They also discovered and reported a previously unknown vulnerability in Palo Alto Networks' GlobalProtect VPN, impacting over 2,000 hosts. While many have been addressed (130 resolved, 303 triaged), approximately 45% remain unpatched, highlighting the sheer volume and impact of the disclosed vulnerabilities.

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(www.csoonline.com)
Tech

MYGA: Make YouTube Great Again

2025-03-15
MYGA: Make YouTube Great Again

MYGA is a clean and minimal YouTube frontend, stripping away ads and unnecessary features. Powered by yt-dlp for downloading videos and optionally your local AI model for summarizing video content, it offers a local, efficient, concise, and ad-free YouTube experience. Features include channel management, subscriptions, background playback, offline playback, and more. It's dependency-free (except nano-spawn), using only HTML/CSS; no JS frameworks on the client or server. Host it on your home network for playback on all your devices.

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(github.com)
Development local

Rust's `fetch_max`: A Deep Dive into Compiler Optimization

2025-09-24
Rust's `fetch_max`: A Deep Dive into Compiler Optimization

During a recent engineering interview, a candidate used a single line of Rust code to solve a classic concurrency problem—tracking the maximum value across multiple producer threads. This sparked the author's curiosity: how does Rust's `fetch_max` actually work? The article delves into the compilation process from Rust code to assembly, revealing the layers of optimization involving macros, LLVM intermediate representation, compiler intrinsics, and target architecture specifics. On x86-64, `fetch_max` compiles down to a compare-and-swap (CAS) loop; on ARM, it directly utilizes the hardware's atomic max instruction. This article demonstrates the power of modern compilers and the low-level details behind high-level abstractions.

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(questdb.com)
Development

DIY Nissan LEAF Battery Widget: A Clever Hack Using GitHub Actions and IFTTT

2025-04-14
DIY Nissan LEAF Battery Widget: A Clever Hack Using GitHub Actions and IFTTT

Frustrated by the lack of a battery status widget in Nissan's official app and the unavailability of third-party alternatives, the author devised a clever workaround. By ingeniously combining GitHub Actions, IFTTT, and Apple Shortcuts, they created a free solution. A scheduled GitHub Actions workflow retrieves data, sends an email, and IFTTT transforms the email content into an iPhone home screen widget displaying the LEAF's battery level. While not perfect, this successful hack avoids the cost of additional hardware or subscriptions, showcasing the author's creativity and technical prowess.

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(kevintechnology.com)
Development

He Rewrote Everything in Rust – Then We Got Fired

2025-07-22
He Rewrote Everything in Rust – Then We Got Fired

A six-person team, using Node.js, Redis, AWS Lambdas, and MongoDB for microservices, was constantly firefighting due to performance bottlenecks. Kabir, the quietest member, proposed rewriting the image pipeline in Rust. Despite skepticism, he completed the rewrite solo. Post-launch, performance graphs soared, but a month later, the entire team was laid off. This story highlights that even significant technical improvements don't guarantee job security; company decisions often transcend technical merit.

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(medium.com)
Development

Fern, a YC Startup, is Hiring an AI Engineer – Up to $192k!

2025-01-17
Fern, a YC Startup, is Hiring an AI Engineer – Up to $192k!

Fern, a Y Combinator-backed startup, is hiring an AI Engineer with a salary of up to $192,000 plus an $18,000 living proximity bonus. Fern simplifies API usage by providing high-quality SDKs and documentation for businesses. The role requires 4+ years of backend or full-stack development experience, proficiency in TypeScript and at least one other language, and experience developing and deploying AI products. This is a fast-growing SaaS company offering end-to-end project ownership and the chance to build zero-to-one AI features.

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(www.ycombinator.com)
Development

Rendering 1 Million Spheres with OpenGL and WASM: A Debugging Journey

2025-03-01

The author tackled a hiring challenge: rendering one million spheres using OpenGL. The project was then ported to WASM and WebGL to improve performance and accessibility. The article details two crucial mistakes: incorrectly mapping texture coordinates resulting in flattened spheres, and reusing VAOs causing rendering anomalies. The author successfully rendered the spheres and shares lessons learned and resource links.

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(uds5501.github.io)
Development

Lightweight Job Scheduling with Wasp and PgBoss: A Surprisingly Elegant Solution

2025-05-30
Lightweight Job Scheduling with Wasp and PgBoss: A Surprisingly Elegant Solution

This article explores lightweight job scheduling in React and Node.js applications using Wasp and PgBoss. PgBoss leverages PostgreSQL's reliability and scalability to manage background jobs efficiently, while Wasp simplifies job definition and configuration. The article uses a tennis score tracking app to demonstrate creating both one-time scheduled jobs (e.g., sending a daily match summary email) and recurring jobs (e.g., daily digest emails). This setup is perfect for small projects or early-stage startups, eliminating the need for complex external services. However, for high-load or computationally intensive tasks, a dedicated job processing system is recommended.

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(wasp.sh)
Development Job Scheduling

The Collatz Conjecture and Cryptography: A Tale of Computational Complexity

2025-03-15
The Collatz Conjecture and Cryptography: A Tale of Computational Complexity

This article explores the infamous Collatz conjecture and its surprising connection to ARX algorithms in cryptography (e.g., ChaCha). The Collatz conjecture describes a simple iterative function; whether it always converges to 1 remains unproven. The article draws an analogy between the Collatz function and a Turing machine, highlighting how carry propagation in its bitwise implementation creates unpredictable complexity. This contrasts interestingly with ARX algorithms, which use addition, rotation, and XOR to achieve efficient diffusion. The article suggests the Collatz conjecture's unsolved nature might stem from the inherent complexity of computation, similar to the halting problem.

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(soatok.blog)
Misc Computational Complexity

LHC Ultraperipheral Collisions Unravel the Mystery of Gluon Saturation

2025-02-11
LHC Ultraperipheral Collisions Unravel the Mystery of Gluon Saturation

Ultraperipheral collisions (UPCs) at the Large Hadron Collider (LHC) offer a unique window into gluon dynamics. Experiments use photons to probe gluons within protons and nuclei, investigating gluon saturation—a dynamic equilibrium between gluon splitting and recombination. Researchers found that as energy decreases, the number of gluons in hadrons increases, forming 'gluonic hotspots' that overlap in the gluon saturation regime. The experiments also observed nuclear shadowing, where nuclei contain fewer gluons than expected. These findings shed light on the origin of 99% of the visible universe's mass and the nature of the strong interaction. Future LHC runs and the Electron-Ion Collider (EIC) will further explore gluon dynamics, uncovering more mysteries.

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(cerncourier.com)
Tech gluon saturation hadron physics

Google's AI Bug Hunter, Big Sleep, Unearths 20 Vulnerabilities

2025-08-10
Google's AI Bug Hunter, Big Sleep, Unearths 20 Vulnerabilities

Google's AI-powered vulnerability researcher, Big Sleep, a collaboration between DeepMind and Project Zero, has reported its first batch of vulnerabilities – 20 flaws in popular open-source software like FFmpeg and ImageMagick. While details remain undisclosed pending fixes, the achievement showcases the potential of AI in automated vulnerability discovery. Although human experts reviewed the findings, Big Sleep independently identified and reproduced the vulnerabilities. This breakthrough, however, highlights concerns about AI-generated false positives, emphasizing the need for careful evaluation of AI-driven bug reports.

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(techcrunch.com)
Tech vulnerability discovery

Semiconductor-Free Solar Panel: A Bismuth Alloy Thermoelectric Approach

2025-02-28

This article details a novel thermoelectric solar panel design that eschews complex semiconductor materials. Overcoming the challenges of earlier ZnSb-based designs, the author utilizes bismuth alloys and a simple construction featuring painted zinc absorber plates and bismuth alloy thermocouples. While currently only 0.01% efficient, the author envisions improvements in materials and design leading to applications powering low-power devices in remote locations.

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(simplifier.neocities.org)
Tech thermoelectric bismuth alloy

How Math Lit Up America: The Landscape Function and the LED Energy Revolution

2025-02-24
How Math Lit Up America: The Landscape Function and the LED Energy Revolution

US residential electricity consumption has slightly decreased in recent years, primarily due to improvements in lighting efficiency, specifically the widespread adoption of LED light bulbs. Behind this energy revolution is an unexpected driver: a breakthrough in pure mathematics—the landscape function. Initially a purely mathematical discovery, this function is now central to efficient LED design. Through numerical simulations, the landscape function has helped researchers overcome the "green gap" (the lack of efficient green LEDs), accelerating LED R&D and saving US consumers billions of dollars in energy costs.

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(terrytao.wordpress.com)
Tech

The rev.ng decompiler goes open source + start of the UI closed beta - rev.ng

2024-03-29

The provided website discusses the open-sourcing of Ren's Virtual Machine (VM) Decompiler UI as part of a closed beta. It highlights the benefits of open-sourcing, including community collaboration, transparency, and increased security. The article also provides a walkthrough of the decompiler UI, explaining its features and functionality. Additionally, it mentions the availability of the source code on GitHub and encourages developers to contribute to the project.

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(rev.ng)
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Open-Source Hardware Switch Project: A Journey from Failure to 10G Ethernet

2025-05-13

The author's multi-year journey to build an open-source hardware Ethernet switch is detailed, chronicling its evolution from an initial failure in 2012 using a low-end FPGA to a powerful switch boasting 48 1G ports and dual 10/25G uplinks with a XCKU5P FPGA. The long road included significant learning, skill development, the creation of high-precision probes and software tools, and continuous hardware/software design improvements. While challenges remain, the author is optimistic about delivering a final product by 2026.

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(serd.es)
Hardware Ethernet switch

Google Kills Off Android Instant Apps

2025-06-13
Google Kills Off Android Instant Apps

Google is sunsetting its Android Instant Apps feature in December 2025. This feature allowed users to try parts of an app without a full installation from the Play Store. Low developer adoption is the likely culprit, as creating the smaller, instant-enabled app versions required significant effort. While designed to improve user experience by offering faster app access and reduced storage needs, the high development overhead proved unsustainable.

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(www.androidauthority.com)
Development Instant Apps

Classicide: The Deliberate Destruction of a Social Class

2025-05-31

Sociologist Michael Mann's concept of 'classicide' describes the deliberate and systematic destruction of a social class through persecution and violence. Unlike genocide, which targets a group based on ethnicity, classicide targets a group defined by its social status, and unlike politicide, it's not concerned with political activity. The article cites examples like the Soviet Union's dekulakization policy, the Cambodian genocide, and the persecution of landlords and wealthy peasants during China's land reform as instances of classicide. These are presented as perversions of socialist democratic theory, similar to how ethnic cleansing is a perversion of nationalist democratic theory.

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(en.wikipedia.org)
Misc classicide

Cryptographic Security Shaken: Attack on Fiat-Shamir Transformation

2025-07-10
Cryptographic Security Shaken: Attack on Fiat-Shamir Transformation

New research has challenged the long-held assumption of the random oracle model in cryptography. Researchers demonstrated a method to trick proof systems using the widely adopted Fiat-Shamir transformation, enabling them to certify false statements. This transformation is crucial in systems like blockchains for verifying computations from external servers, relying on the random oracle model's assumption. The research shows that even under this assumption, attacks are possible. This finding necessitates a re-evaluation of the random oracle model and its implications for numerous cryptographic applications, raising concerns about blockchain security and the potential for cryptocurrency theft.

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(www.quantamagazine.org)
Tech

Pahole: A Powerful Tool for Inspecting C/C++ Data Structure Memory Layouts

2025-04-19

This blog post introduces pahole, a powerful tool for analyzing the memory layout of C/C++ data structures, including padding and alignment details. By reading the DWARF debugging information generated by the compiler, pahole visually displays how data structures are arranged in memory and points out "holes" inserted by the compiler to meet memory alignment requirements. This is crucial for optimizing code cache utilization and reducing cache line false sharing. The post also demonstrates how to install pahole and how to use its command-line options to analyze struct sizes, adjust member ordering to optimize memory layout, and explore memory layout differences under different cache line sizes.

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(pramodkumbhar.com)
Development memory layout

Court Rules Against Trump's Tariffs: A Case of Overreach?

2025-05-29

A US trade court recently ruled against Donald Trump's tariffs, citing a violation of constitutional authority. The court found that the Trump administration exceeded its power under the International Emergency Economic Powers Act (IEEPA) of 1977. Both the 'worldwide retaliatory tariffs' and 'trafficking tariffs' were deemed unlawful; the former for being overly broad, the latter for lacking a demonstrable link to drug trafficking. The decision hinges on the Constitution's grant of foreign trade regulation power to Congress, and the limitations on delegation of that power as defined by the nondelegation doctrine. The Trump administration has appealed the decision, setting the stage for further legal battles over executive versus legislative power.

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(writing.kemitchell.com)
Tech Constitutional Law

50 Years of Open Source Software Supply Chain Security: From Multics to the xz Attack

2025-04-07

This article explores the challenges of open source software supply chain security over the past five decades. From potential backdoors identified in a 1974 Multics security evaluation to the 2024 xz compression library backdoor attack, the problem persists. Russ Cox, a core developer of the Go programming language, draws on personal experience and industry examples to discuss definitions of supply chain attacks and vulnerabilities, the complexity of software supply chains, and methods for strengthening defenses. These include software authentication, reproducible builds, rapid vulnerability discovery and patching, and vulnerability prevention strategies. The article highlights the underfunding of open source software, leaving projects vulnerable to malicious actors, illustrated by the xz attack. Ultimately, the author calls for increased funding and improved security practices in open source to address evolving threats.

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(queue.acm.org)
Tech Vulnerabilities

Seagate Unleashes 4TB Xbox Expansion Card, But is it Worth the Price?

2025-06-09
Seagate Unleashes 4TB Xbox Expansion Card, But is it Worth the Price?

Seagate has launched a 4TB storage expansion card for Xbox Series X|S consoles, its first capacity upgrade since 2021. Priced at $499.99 (with a limited-time discount to $429.99), it caters to players with extensive game libraries. However, the price is steep, especially considering Seagate's 2TB card is currently available for $219.99. Western Digital offers competing cards, but not yet a 4TB option. The Xbox expansion cards remain pricier than PlayStation 5 alternatives, which support a wider range of compatible SSDs.

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(www.theverge.com)
Hardware Storage Expansion Card

From Random Streaks to Recognizable Digits: Building an Autoregressive Image Generation Model

2025-06-08
From Random Streaks to Recognizable Digits: Building an Autoregressive Image Generation Model

This article details building a basic autoregressive image generation model using a Multilayer Perceptron (MLP) to generate images of handwritten digits. The author explains the core concept of predicting the next pixel based on its predecessors. Three models are progressively built: Model V1 uses one-hot encoding and ignores spatial information; Model V2 introduces positional encodings, improving image structure; Model V3 uses learned token embeddings and positional encodings, achieving conditional generation, generating images based on a given digit class. While the generated images fall short of state-of-the-art models, the tutorial clearly demonstrates core autoregressive concepts and the building process, providing valuable insights into generative AI.

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(tunahansalih.github.io)
AI
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