Popular：
Virtualization DNS security formal verification reachability analysis compiler errors macro conflict web extension development framework Bitmap Graphics API inconsistencies All Tags

Lava RGB 2.0 NES Mod: A Detailed Walkthrough

2025-09-05

This detailed guide documents the author's experience upgrading a classic NES console with the Lava RGB 2.0 kit. The walkthrough covers every step, from desoldering the PPU and power module to installing the Lava RGB PCB, replacing capacitors, and soldering wires, all accompanied by numerous images. The author also adds a SNES-style multi-out and tackles expansion audio configuration. The final result is a working RGB output, with the author praising the Lava RGB 2.0 kit's performance and value.

Read more
(amaiorano.io)
Game Retro Gaming Console Mod

Fine-tuning GPT-2 for Positive Sentiment Generation using RLHF

2025-07-06
Fine-tuning GPT-2 for Positive Sentiment Generation using RLHF

This project provides a reference implementation for fine-tuning a pretrained GPT-2 model to generate sentences expressing positive sentiment using Reinforcement Learning from Human Feedback (RLHF). The process involves three steps: 1. Supervised Fine-Tuning (SFT): Fine-tuning GPT-2 on the stanfordnlp/sst2 dataset; 2. Reward Model Training: Training a GPT-2 model with a reward head to predict sentiment; 3. Reinforcement Learning via Proximal Policy Optimization (PPO): Optimizing the SFT model to generate sentences that the reward model evaluates positively. These three steps are implemented in three Jupyter Notebooks, allowing for a step-by-step approach. A Hugging Face access token is required to download the pretrained GPT-2 model.

Read more
(github.com)
AI Sentiment Analysis

A Hidden Bug in DOS 3.3 SYS.COM: The NetDrive Disk Image Corruption Mystery

2025-02-24

This article details the author's investigation into a bug in the DOS 3.3 system command `SYS.COM`. This command copies boot loader code to a disk, but when used with NetDrive virtual disk images, it corrupts the image. Through careful analysis, the author discovered that `SYS.COM` fails to check the return code of a Generic IOCTL call used to obtain disk parameters. When this call fails (e.g., the NetDrive driver doesn't support the function), `SYS.COM` erroneously writes garbage data to the disk's boot sector, corrupting the image. This bug only manifests on certain disk image types (e.g., hard disk images) because DOS attempts to retrieve disk geometry information, whereas floppy disk images do not. The author ultimately pinpoints the bug's root cause and explains the conditions under which it occurs.

Read more
(www.brutman.com)
Development

The Pragmatic Open Source Contributor: A Guide

2025-04-01

This article addresses common barriers preventing salaried programmers from contributing to open source projects and offers a pragmatic guide. It argues that contributing isn't just for personal growth, but also to improve software crucial to a business. A six-step process is outlined: legal approval, understanding the project, getting maintainer buy-in, coding, completing additional work (like documentation), and final submission/follow-up. The author emphasizes communication, suggesting developers engage with maintainers early and follow established processes for better success. The article concludes by highlighting the benefits of open source contribution and encourages active participation.

Read more
(diurnal.st)
Development open source contribution

TitleBridge: System Requirements and Privacy Policy

2025-05-21
TitleBridge: System Requirements and Privacy Policy

TitleBridge is a Final Cut Pro plugin that... (needs description of functionality from original text). It requires macOS with Apple Silicon (M1 chip or better) and Final Cut Pro 11.1 or later. While not mandatory, Apple Silicon is recommended for leveraging Final Cut Pro's audio-to-captions feature. The plugin itself does not automatically collect or send any user information. Support is available through a comment form at the bottom of the page; however, comments are publicly visible, so avoid including private information. Support staff will contact you privately through your GitHub account to determine the best method for resolving any issues.

Read more
(bustin.tech)
Development Captioning

R0ML's Ratio: Avoid the Bozo Trap in Enterprise Software Licensing

2025-08-10

This article introduces a clever methodology for evaluating volume purchases: R0ML's Ratio. Using the example of buying thousands of clown noses, it explains how to calculate the ratio: divide the total purchase price by the full retail price of all units. A ratio under 1 indicates a good deal; above 1 means you've been had. This is especially crucial for software and SaaS licensing, where accurately estimating usage is key to avoiding losses from underutilization. The author suggests empowering employees with corporate cards for individual software purchases as a safer alternative.

Read more
(blog.glyph.im)
Development procurement strategy software licensing

Tesla Cybertruck Faces Massive Recall: Side Window Panel Detachment Risk

2025-03-20
Tesla Cybertruck Faces Massive Recall: Side Window Panel Detachment Risk

The National Highway Traffic Safety Administration (NHTSA) has recalled over 46,000 Tesla Cybertrucks due to a potential detachment of the side window panel, posing a road hazard. The recall covers all 2024 and 2025 models. Tesla will replace the part free of charge, with notification letters expected to be mailed on May 19th. This is the eighth recall for the Cybertruck in just over a year, following previous recalls for issues like electric inverter faults and stuck accelerator pedals. Simultaneously, Tesla faces increased competition and attacks targeting its vehicles and facilities, leading to a 42% plummet in its stock price in 2025.

Read more
(apnews.com)
Tech

B-2 Spirit: The 40-Hour Mission

2025-06-22
B-2 Spirit: The 40-Hour Mission

This article delves into the extraordinary capabilities of the B-2 Spirit stealth bomber, focusing on its ability to conduct missions exceeding 40 hours. It details the ingenious solutions implemented to ensure crew rest and operational readiness during these extended flights, including a compact bunk, microwave, and chemical toilet. A real-world account of a mission from Missouri to Libya and back illustrates the challenges and triumphs of maintaining alertness and completing bombing runs across multiple time zones. The article also compares the crew rest amenities and mission profiles of the B-1, B-2, and B-52 bombers, highlighting the rigorous selection and training of B-2 pilots. The success of the B-2 is attributed not only to its advanced stealth technology but also to its meticulous attention to human factors.

Read more
(simpleflying.com)
Tech Pilot Endurance

Building Software with AI: A Four-Document System and the Everlasting Beginner

2025-07-19
Building Software with AI: A Four-Document System and the Everlasting Beginner

The author built Protocollie in four days using AI pair programmer Claude, not through expert coding skills but via four documents: Architecture Overview, Technical Considerations, Workflow Process, and Story Breakdown. This process, likened to "throwing spaghetti at the wall," highlights experimentation over planning, showcasing the changing landscape of AI-assisted programming. It reveals a shift in the programmer's role and embraces the uncertainty of this new era, where rapid technological advancement outpaces the accumulation of expertise.

Read more
(worksonmymachine.substack.com)
Development

Agrivoltaics: A Win-Win Strategy Against Climate Change

2025-03-03
Agrivoltaics: A Win-Win Strategy Against Climate Change

A new study reveals that combining solar power generation with agriculture significantly boosts crop yields, conserves water, and generates low-carbon electricity for climate-vulnerable regions. This method, known as agrivoltaics, creates a microclimate by shading crops with solar panels, enabling plants like beans and maize to thrive with less irrigation. Agrivoltaics also provides clean energy for rural communities, addressing food insecurity, water scarcity, and energy poverty. The research found that partial shade reduces water evaporation, improving water use efficiency, and allows for rainwater harvesting to supplement irrigation.

Read more
(www.sheffield.ac.uk)
Tech

The Axiom of Choice: A Century of Debate

2025-06-13

This paper delves into the century-long debate surrounding the Axiom of Choice in mathematics. From Cantor's well-ordering principle to Zermelo's proof and introduction of the Axiom of Choice, the mathematical community engaged in heated discussions. The article deeply analyzes different forms of the Axiom of Choice, including the constructive and extensional versions, highlighting the issue with the extensional version: it violates the principle of 'you cannot get something from nothing'. Through proofs in constructive type theory, the paper reveals the relationship between the extensional Axiom of Choice, Zermelo's Axiom of Choice, and the topos-theoretic Axiom of Choice, concluding that the extensional Axiom of Choice is the correct rendering of Zermelo's Axiom in constructive type theory.

Read more
(research.mietek.io)
Misc mathematical foundations axiom of choice constructive mathematics

Vatican Weighs In: AI, Human Dignity, and the Common Good

2025-01-30

A joint report from the Vatican's Dicastery for the Doctrine of the Faith and the Dicastery for Culture and Education explores the challenges and opportunities posed by Artificial Intelligence (AI). While acknowledging AI's remarkable ability to mimic certain aspects of human intelligence, the report emphasizes the fundamental differences between AI and human intelligence. Human intelligence, it argues, is holistic, encompassing reason, emotion, embodiment, and relationality—dimensions absent in current AI systems. The report stresses that AI development and use must uphold human dignity and promote integral human development, cautioning against applications that could lead to discrimination, manipulation, or social disruption. It calls for responsibility, transparency, and accountability in AI, ensuring it serves the common good.

Read more
(www.vatican.va)
AI Human Dignity Tech and Religion

Escaping Google Authenticator: Generating TOTP Codes on the Command Line

2025-09-01
Escaping Google Authenticator: Generating TOTP Codes on the Command Line

In an effort to reduce reliance on Google services, the author streamlined their Android phone to use only Google Maps and Authenticator for TOTP codes. To generate TOTP codes from the command line, they used oathtool, but the migration process proved complex. The article details migrating codes from Google Authenticator: exporting a QR code, decoding it with qrtool, extracting secrets using a Python script (otpauth_migrate), and finally generating TOTP codes with oathtool. A Bash script simplifies the process. Security concerns around storing secret keys are also addressed.

Read more
(imrannazar.com)
Development

EU Orders Apple to Enhance iPhone Interoperability

2024-12-22
EU Orders Apple to Enhance iPhone Interoperability

The European Commission, based on preliminary findings under the Digital Markets Act (DMA), has ordered Apple to take steps to ensure interoperability between its iPhones and devices from other brands. This aims to foster competition and prevent Apple from leveraging its dominant position with iOS to restrict compatibility with third-party products like smartwatches, headphones, and VR headsets. Apple counters that this could compromise user privacy and innovation. The Commission is expected to issue a final decision around March 2025.

Read more
(www.euronews.com)
Tech EU

Svalboard: A Datahand Successor Born From Necessity

2025-06-24
Svalboard: A Datahand Successor Born From Necessity

A 20+ year Datahand user, devastated by the company's demise and the damage to his precious unit, decided to build a replacement. Inspired by Ben Gruver's lalboard design and leveraging his expertise in high-volume consumer electronics and input technology, he created Svalboard. This keyboard aims to provide thousands of RSI sufferers with a faster, safer, more precise, and pain-free typing experience, carrying the Datahand legacy forward.

Read more
(svalboard.com)
Hardware

SATA SSD's DRM Functions and Accessibility Limitations

2025-01-20
SATA SSD's DRM Functions and Accessibility Limitations

A Linux kernel log shows warnings about an Intel SSDSCKJF360A5L SSD: "supports DRM functions and may not be fully accessible." This relates to an ATA protocol extension allowing the storage device to respond differently based on whether a request is signed by the mainboard's trusted platform module. This enables features like preventing modification of video players. Linux might have an incomplete view of the SSD, hence the warning. Additionally, the log notes the SSD's read cache is enabled but doesn't support outdated DPO or FUA techniques, which are irrelevant for SSDs.

Read more
(unix.stackexchange.com)
Hardware

The Marshmallow Test: It's Not Just About Willpower

2025-02-13
The Marshmallow Test: It's Not Just About Willpower

The famous marshmallow test suggests that children who delay gratification achieve more in life. However, further research reveals that factors like stable home environments, economic background, and cultural differences significantly impact the results. Children from stable homes with reliable adults are more likely to develop patience, while those from impoverished backgrounds are more inclined to seize immediate opportunities. The author uses personal parenting experiences to emphasize the importance of adult consistency and creating a trustworthy environment for fostering patience in children, highlighting that patience is a strategy, not simply a personality trait.

Read more
(desunit.com)
Misc delayed gratification marshmallow test

Real-time AI Voice Chat: Your Digital Conversation Partner

2025-05-05
Real-time AI Voice Chat: Your Digital Conversation Partner

This project allows natural, spoken conversations with an AI using a sophisticated client-server system. It leverages WebSockets for low-latency audio streaming, real-time speech-to-text transcription, LLM processing (Ollama and OpenAI supported), and text-to-speech synthesis. Users can customize the AI's voice and choose from various TTS engines (Kokoro, Coqui, Orpheus). The system features intelligent turn-taking, flexible AI model selection, and is Dockerized for easy deployment.

Read more
(github.com)
AI AI voice chat real-time speech-to-text

GNU Make Standard Library: A Powerful Function Library for Makefiles

2025-02-05

The GNU Make Standard Library (GMSL) is a collection of functions implemented using native GNU Make functionality. It provides list and string manipulation, integer arithmetic, associative arrays, stacks, and debugging facilities. Released under the BSD License, GMSL includes a test suite and offers features like logical operators, list/string manipulation, set operations, integer arithmetic, associative arrays, named stacks, function memoization, and debugging tools. It simplifies complex Makefile creation.

Read more
(gmsl.jgc.org)
Development Function Library

Code in MS Paint? MS Paint IDE Makes it Possible!

2025-03-05
Code in MS Paint? MS Paint IDE Makes it Possible!

MS Paint IDE is a program that reads standard MS Paint image files and translates the text within into executable code. Write, compile, and run programs using the familiar MS Paint interface, with support for external libraries and multiple classes. It's like science fiction, but it's real!

Read more
(ms-paint-i.de)
Development

Controversy Erupts at FOSDEM: Billionaire Jack Dorsey's Keynote Sparks Outrage

2025-01-16

Jack Dorsey, former Twitter CEO, is slated to give a keynote at FOSDEM, a leading free software conference. This has sparked significant backlash within the FOSS community. Critics point to Dorsey's role in Twitter's decline and his involvement with Block, arguing he doesn't deserve such a prominent platform. The author calls for a boycott and is organizing a sit-in to protest Dorsey's presence and advocate for redirecting funds towards supporting the FOSS community.

Read more
(drewdevault.com)
Development

Breakthrough: Simulating Time Complexity in Square-Root Space

2025-02-27

New research shows that any multitape Turing machine running in time t can be simulated in only O(√(t log t)) space. This significantly improves upon the O(t/log t) space simulation from Hopcroft et al. 50 years ago. The research leverages a recently discovered space-efficient algorithm for Tree Evaluation by Cook and Mertz, reducing the time simulation problem to a series of implicitly-defined Tree Evaluation instances with favorable parameters. Results imply that bounded fan-in circuits of size s can be evaluated in √s·poly(log s) space, and suggest the existence of problems solvable in O(n) space that require n^(2-ε) time on a multitape Turing machine (for all ε > 0), making slight progress on the P versus PSPACE problem.

Read more
(eccc.weizmann.ac.il)
Development Turing machine simulation

200+ Researchers Call for a Pause on Giant AI Model Development

2025-02-07

Over 200 researchers from leading universities and research institutions worldwide have signed an open letter calling for a six-month pause on the development of AI models more powerful than GPT-4. They warn of potential societal and civilizational risks posed by these giant AI models, arguing that a pause is needed to allow for adequate safety assessments and regulatory frameworks. The letter highlights the potential dangers of rapid AI advancement, sparking a broad conversation on AI safety and ethics within the Tech sector.

Read more
(agi.safe.ai)
Tech

Compiler Options Hardening Guide for C and C++: A Security Deep Dive

2025-03-31

This OpenSSF guide details compiler and linker options to enhance the security and reliability of C/C++ code. It recommends flags for compile-time vulnerability detection and runtime protection against buffer overflows and control-flow hijacking. The guide analyzes performance trade-offs and use cases for each option, stressing the importance of secure coding practices.

Read more
(best.openssf.org)
Development C/C++ Security Compiler Flags Secure Coding

Hacker Laws: A Compendium of Software Development Principles

2025-03-30

This repository serves as a comprehensive guide to various laws, principles, and patterns prevalent in software development. From Brooks' Law and Conway's Law to Amdahl's Law and the 90-9-1 principle, it offers a detailed overview without advocating for any specific approach. It explores diverse aspects, including cognitive biases, distributed systems limitations, code quality, and team dynamics, providing valuable insights and lessons learned for developers of all levels.

Read more
(hacker-laws.com)
Development Laws of Software

ChatGPT-Assisted Swift App Dev: From Amazing to Crashing

2025-09-01
ChatGPT-Assisted Swift App Dev: From Amazing to Crashing

The author attempted to build a Swift app using ChatGPT-5. Initially, it was impressive, with ChatGPT generating code and modifying the UI based on natural language prompts. However, testing revealed numerous issues: search functionality failed, adding shows to the library didn't work, and ChatGPT's modifications introduced increasing errors and unwanted UI changes. Eventually, the app became unbuildable, leading to a frustrating cycle of troubleshooting that the author couldn't resolve with ChatGPT. This experience highlights that while ChatGPT can assist in development, its reliability and accuracy need improvement, especially for complex projects, requiring significant manual intervention and code review.

Read more
(beard.fm)
Development

Learning GPU Architecture Through Memory Bandwidth Microbenchmarks

2025-08-21
Learning GPU Architecture Through Memory Bandwidth Microbenchmarks

Traverse Research delved deep into GPU architecture by measuring memory bandwidth across various GPUs using custom microbenchmarks. The article explores the complexities of GPU memory access, including descriptors, buffer types (byte address, structured, typed), and texture units. It also covers GPU memory hierarchy, cache policies (write-through, write-back, write-around), and latency hiding techniques. Experiments revealed significant differences in cache and VRAM bandwidth across architectures: the Meta Quest 3's Adreno 740 showed a dramatic bandwidth improvement using textures; the AMD Radeon RX 9070 XT exhibited differences between floating-point and integer loads; the Intel Arc B580 displayed unique patterns with varying data types; and the NVIDIA GeForce RTX 5070 Ti experienced bottlenecks with many writes to the same small memory area. These findings offer insights for optimizing GPU software performance, particularly in hardware-specific projects.

Read more
(www.evolvebenchmark.com)
Tech Memory Bandwidth Microbenchmark

2025 Alonzo Church Award: Unifying Lambda Calculus Research

2025-06-23

Paul Blain Levy received the 2025 Alonzo Church Award for his groundbreaking work on the Call-by-Push-Value (CBPV) calculus. His research unified the separate streams of pure logical and applied effectful lambda calculus research. CBPV serves as a unifying framework for studying computational and logical phenomena, including effects, polarization, term normalization, type isomorphisms, and program transformations. Levy's contributions span algebraic datatypes, operational semantics, denotational semantics, and equational theories, significantly advancing the semantic theory of lambda calculus and its application to programming language modeling.

Read more
(siglog.org)
Development Alonzo Church Award

National Weather Service Beta Site Temporarily Down

2025-05-18
National Weather Service Beta Site Temporarily Down

The National Weather Service's beta.weather.gov website is temporarily deactivated due to the loss of critical federal staff, leaving the project without the resources needed for continued development, routine monitoring, and maintenance. The NWS remains committed to a more informative and user-friendly Weather.gov, and intends to reactivate this beta site as soon as resources allow. In the meantime, please use Weather.gov for official forecasts and warnings.

Read more
(beta.weather.gov)
Tech National Weather Service
1 2 … 549 550 551 553 555 556 557 … 596 597