Tracing Myanmar's Military Command Chains: A Data-Driven Case Study

2025-01-19

DOT • STUDIO partnered with the Security Force Monitor (SFM) to build "Under Whose Command," a platform leveraging cutting-edge technology to precisely trace Myanmar's complex military command chains. Employing sophisticated data modeling (EAV and Datalog databases) and precise handling of time and location, the platform overcomes the challenges of dynamic and overlapping command structures, providing journalists, courts, and researchers with a powerful tool for accountability. The project successfully integrated existing research workflows with new technologies, resulting in a user-friendly and sustainably maintained public platform.

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One Year Debugging Sleep-Wake Hangs on Linux with AMD GPUs

2025-02-17

The author encountered a persistent issue where their Linux system, equipped with an AMD RX 570 GPU, would crash or hang after attempting to sleep, often resulting in a black screen upon waking. After over a year of intense debugging, involving journal analysis, systemd configuration tweaks, a debug shell, even Ghidra reverse engineering, the root cause was identified as an amdgpu driver bug related to VRAM backup during high memory usage. The solution, finally implemented, leverages the power management notifier API to preemptively back up VRAM before sleep, preventing memory exhaustion errors. This fix is expected in the stable Linux kernel 6.14 release.

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Development GPU driver

Training Large Diffusion Models on a Shoestring Budget: $1890

2025-01-16
Training Large Diffusion Models on a Shoestring Budget: $1890

Sony Research has open-sourced micro_diffusion, demonstrating how to train large-scale diffusion models on an extremely low budget ($1890). Using 37 million publicly available real and synthetic images, they trained a 1.16 billion parameter sparse transformer model, achieving an FID score of 12.7 on zero-shot generation on the COCO dataset. The project provides training code, dataset code, pre-trained model weights, and details a staged training process, including progressive training from low to high resolution and the use of patch masking to reduce training costs and improve efficiency.

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ghidraMCP: An MCP Server for LLM-Powered Automated Reverse Engineering

2025-03-26
ghidraMCP: An MCP Server for LLM-Powered Automated Reverse Engineering

ghidraMCP is a Model Context Protocol (MCP) server enabling Large Language Models (LLMs) to autonomously reverse engineer applications. It exposes a wealth of tools from Ghidra's core functionality to MCP clients. Key features include decompilation and analysis of binaries within Ghidra, automated method and data renaming, and listing methods, classes, imports, and exports. Installation is straightforward, involving downloading the plugin and importing it into Ghidra. Support for multiple MCP clients, including Claude Desktop and 5ire, is provided.

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Development

GPT-4o mini TTS: Text-to-Speech Made Easy

2025-03-24
GPT-4o mini TTS: Text-to-Speech Made Easy

This tool leverages OpenAI's GPT-4o mini TTS API to transform text into natural-sounding speech. It's a three-step process: input your text, customize settings (six voices and adjustable speed), and generate high-quality audio. The audio streams directly to your browser, never stored on our servers. Experiment with different voices and speeds to find the perfect fit!

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AI

The Communication Challenges of Decentralized Remote Work and AI's Solution

2025-02-19

The author works in a highly decentralized remote organization and faces challenges with inefficient communication. Information spreads through various informal channels (such as Zoom, TikTok, etc.), leading to frequent misunderstandings and a lack of clear records and traceability. The author likens this phenomenon to the return of an "oral culture" and believes that AI technology can help organizations improve communication efficiency by processing unstructured information into understandable structured information.

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18 Years in the Linux Console: No Regrets

2025-01-12
18 Years in the Linux Console: No Regrets

A programmer recounts his 18-year journey using only the Linux command line. Starting in the early 2000s in a rural area with limited internet access, he learned Linux, eventually finding his 'zen' through countless nights of coding and experimenting with various distributions. The author details challenges and solutions, sharing insights on modern Linux trends like the rise of systemd and his choice of Gentoo. This nostalgic piece is a captivating tale of dedication to pure technology.

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Development

AI Addiction: A Growing Concern and the 12-Step Solution

2025-07-11

The rise of AI technologies has brought about a new form of digital addiction: AI addiction. This article introduces Internet and Technology Addicts Anonymous (ITAA), a 12-step fellowship supporting recovery from internet and technology addiction, including AI-related issues. It details symptoms, effects, and recovery strategies, offering a self-assessment questionnaire to help identify potential AI addiction. ITAA provides free, anonymous online and in-person meetings, encouraging members to recover through mutual support, abstinence, and seeking professional help when needed. The article emphasizes the serious impact of AI addiction, mirroring the effects of substance abuse on the brain and overall well-being.

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Ditch Docker? Explore systemd-nspawn Container Technology

2025-02-21

This article introduces systemd-nspawn, a secure and easily configurable container manager that allows running a full operating system or a command within a directory tree. Compared to chroot, it offers enhanced security and OCI compliance. The article details multiple methods for creating and managing containers with systemd-nspawn, including using Docker export, debootstrap, mkosi, and machinectl commands. The author advocates for reducing reliance on Docker and encourages exploring lower-level, more flexible container technologies.

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Development Docker alternative

CodeCrafters' Lightning-Fast Interview Process: Get Hired in 2 Days!

2025-02-05
CodeCrafters' Lightning-Fast Interview Process: Get Hired in 2 Days!

CodeCrafters boasts a remarkably quick interview process, completing all steps within 1-2 days. It involves: a 15-30 minute introductory Zoom call to get acquainted; a 2-3 hour CodeCrafters challenge completed semi-live over Zoom, using your preferred language, focusing on problem-solving and code structure (practicing beforehand is allowed); and a final 30-60 minute Zoom call to discuss work history and timelines.

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TrapC: A Safer C Extension

2025-03-03
TrapC: A Safer C Extension

TrapC is a new extension of the C programming language designed to enhance memory safety. Removing keywords like `goto` and `union`, and adding `trap` and `alias`, TrapC incorporates C++ features such as constructors and destructors. It boasts automatic memory management, preventing leaks, and uses lifetime management for pointers instead of garbage collection. Despite its minimalist design—maintaining the same keyword count as C—it surprisingly offers significant C++ code compatibility. Presented at an ISO C meeting, TrapC aims to address memory safety concerns more comprehensively than other existing proposals.

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Development Language Extension

DiffRhythm: Generating Full-Length Songs in 10 Seconds

2025-03-04

DiffRhythm is a groundbreaking AI model that generates complete songs with vocals and accompaniment in just ten seconds, reaching lengths of up to 4 minutes and 45 seconds. Unlike previous complex multi-stage models, DiffRhythm boasts a remarkably simple architecture, requiring only lyrics and a style prompt for inference. Its non-autoregressive nature ensures blazing-fast generation speeds and scalability. While promising for artistic creation, education, and entertainment, responsible use requires addressing potential copyright infringement, cultural misrepresentation, and the generation of harmful content.

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Resurrecting a Vintage JavaStation: A NetBSD Network Boot Adventure

2025-03-05
Resurrecting a Vintage JavaStation: A NetBSD Network Boot Adventure

Driven by nostalgia for childhood dreams, the author acquired a vintage JavaStation network computer. After a long wait and some initial setbacks, the author discovered the problem was a dead NVRAM battery and a lack of patience. Through serial port debugging and clever network configuration (RARP, TFTP, DHCP, NFS), the author successfully booted NetBSD on the JavaStation, completing a thrilling retro tech resurrection.

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Hardware network boot

The 1561 Nuremberg Celestial Event: UFOs or Atmospheric Phenomena?

2025-02-22
The 1561 Nuremberg Celestial Event: UFOs or Atmospheric Phenomena?

On April 14, 1561, a mass sighting of unusual celestial phenomena occurred over Nuremberg. A woodcut broadsheet depicts hundreds of spheres, cylinders, and other objects engaging in what appeared to be an aerial battle. While some interpret this as evidence of extraterrestrial spacecraft, skeptics attribute the event to atmospheric phenomena like sun dogs. Carl Jung offered a perspective suggesting a natural event overlaid with religious and military interpretations, leaving the true nature of the 1561 Nuremberg event a subject of ongoing debate.

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Handmade Cities and Handmade Network Part Ways

2025-02-04
Handmade Cities and Handmade Network Part Ways

Handmade Cities (HMC) and Handmade Network (HMN) have officially parted ways, though both sides report an amicable split. Fundamental disagreements over brand direction led to the separation. HMC will focus on improving programming skills, with future conferences featuring 80% classic engineering presentations and 20% dedicated to tech worker rights. The author also announced the launch of the native desktop terminal software, Terminal Click, and updated his personal website to abner.page.

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Development

Mikey: Audio Recorder, Transcriber, and Meeting Note Generator

2025-02-12
Mikey: Audio Recorder, Transcriber, and Meeting Note Generator

Mikey is an application for recording audio, transcribing it using the Groq API, and automatically generating meeting notes. Its user-friendly PyQt GUI provides a seamless experience for managing recordings, viewing transcriptions, and browsing saved sessions. It uses pyaudiowpatch for audio recording, the Groq API for transcription, and a conversational model for generating concise meeting notes. A standalone executable can be built for easy distribution.

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The Entropy of Large Language Model Output: An Information-Theoretic Perspective

2025-01-13

This post explores the output of large language models (LLMs like ChatGPT) from an information-theoretic perspective. The author calculates the entropy of each output token to measure the model's certainty in predicting the next token. Experiments show lower entropy (higher certainty) at sentence endings or word fragments, and higher entropy (more uncertainty) in descriptive statements. A comparison of token types at low vs. high entropy reveals that low entropy often correlates with factual statements (containing proper nouns), while high entropy correlates with descriptive statements. A Tamil language example is used for further illustration, emphasizing the importance of discerning truth from falsehood.

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The Cloud Native Infrastructure Dilemma: Scalability, Cost, and Maintenance Headaches

2025-02-13
The Cloud Native Infrastructure Dilemma: Scalability, Cost, and Maintenance Headaches

Many businesses face challenges with cloud infrastructure: inadequate scalability preparedness leads to wasted resources and soaring costs; unpredictable workloads result in lengthy cold starts; hundreds or thousands of applications require constant maintenance and updates, making vulnerability patching and dependency management a headache; cross-cloud vendor, multi-region, and edge deployments add complexity. These issues lead to inefficient infrastructure and increased operational costs.

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Development

FCC Chair Brendan Carr: A Tech Regulatory Storm Brewing?

2025-01-21
FCC Chair Brendan Carr: A Tech Regulatory Storm Brewing?

Brendan Carr's ascension to FCC chair signals significant regulatory changes for the tech and media industries. His involvement in Project 2025, proposing limitations on Section 230 immunity for tech companies and content prioritization disclosures, foreshadows a stricter regulatory environment. He also plans to leverage the FCC's power to revoke spectrum licenses for networks violating the equal time rule. However, Trump's shift on TikTok complicates Carr's approach to national security threats posed by the app. His success hinges on securing support from other Republican commissioners.

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Basel Tax Authority Buys Bahamian Web Address Due to Flyer Error

2025-01-31
Basel Tax Authority Buys Bahamian Web Address Due to Flyer Error

The Basel-Stadt tax authority had to purchase a web address in the Bahamas due to a mistake on an information flyer for digital tax returns. The flyer, sent to over 100,000 households, omitted the '.ch' from the web address, redirecting users to a '.bs' domain in the Bahamas. While the error has been addressed and the Bahamian address will redirect to the correct Swiss site, the mistake cost the authority CHF 900, significantly cheaper than the estimated CHF 100,000 to reprint the flyers. Taxpayers can still file their returns online, albeit with a brief Caribbean detour.

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Misc tax error

Running LLMs Locally with Deno and Jupyter Notebooks

2025-03-01
Running LLMs Locally with Deno and Jupyter Notebooks

This article details the author's journey in setting up and using a local large language model (DeepSeek R1) with Deno, Jupyter Notebooks, Ollama, and LangChain.js. The author walks through the process, from setting up the environment and installing the model to writing the code and visualizing the results. The article highlights the ease and efficiency of Deno and Jupyter Notebooks for AI development, showcasing a smooth workflow and successful interaction with the local LLM. The ability to easily swap the local model for an API-based one is also mentioned.

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Development

Beyond Cracking the Coding Interview: Conquer the Modern Tech Job Hunt

2025-02-23
Beyond Cracking the Coding Interview: Conquer the Modern Tech Job Hunt

The sequel to the iconic 'Cracking the Coding Interview' is here! 'Beyond Cracking the Coding Interview' tackles the evolved landscape of tech interviews, offering more than 150 new problems with detailed walkthroughs, leveraging data from 100,000+ mock interviews. It goes beyond coding, guiding readers through the entire job search process, from resume optimization and negotiation strategies to understanding company interview rubrics and navigating the psychological challenges of the process. Learn to work smarter, not harder, and land your dream tech job.

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Development Interview Prep

Reverse Engineering a Cheap Indoor Camera: Exploiting Tapo's Security Flaws

2025-09-16

The author bought a cheap Tapo indoor camera to monitor their dog, but this led to an unexpected journey of reverse engineering. To bypass the cumbersome setup process and forced subscription of the Tapo app, the author decompiled the APK, performed a man-in-the-middle (MITM) attack, and wrote cryptographic scripts. This revealed a critical vulnerability: a default password "TPL075526460603". A bash script was created for cloudless onboarding. The process uncovered security flaws in Tapo's firmware, such as inconsistent use of SHA-256 and MD5 encryption and a haphazard password synchronization mechanism. The author successfully configured the camera, only to discover their dog mostly slept.

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Tech

Transfinite Nim: Extending the Winning Strategy Beyond the Finite

2025-02-06
Transfinite Nim: Extending the Winning Strategy Beyond the Finite

This article explores transfinite Nim, an extension of the classic game of Nim to transfinite ordinal numbers. The author first reviews the winning strategy for finite Nim – the balancing strategy – then introduces the binary representation of transfinite ordinal numbers, proving that every ordinal has a unique binary representation. The author further proves that the balancing strategy applies to transfinite Nim as well, demonstrating with a concrete example how to use this strategy to find the winning move.

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MiniMax-M1: A 456B Parameter Hybrid-Attention Reasoning Model

2025-06-18
MiniMax-M1: A 456B Parameter Hybrid-Attention Reasoning Model

MiniMax-M1, a groundbreaking open-weight, large-scale hybrid-attention reasoning model, boasts 456 billion parameters. Powered by a hybrid Mixture-of-Experts (MoE) architecture and a lightning attention mechanism, it natively supports a context length of 1 million tokens. Trained using large-scale reinforcement learning, MiniMax-M1 outperforms other leading models like DeepSeek R1 and Qwen3-235B on complex tasks, particularly in software engineering and long-context understanding. Its efficient test-time compute makes it a strong foundation for next-generation language model agents.

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Salesforce's AI Power-Up: Empowering Every Employee

2025-06-17
Salesforce's AI Power-Up: Empowering Every Employee

Salesforce is announcing significant updates to its Agentforce, Customer 360 Apps, and Slack offerings, streamlining AI adoption. Key changes include: generally available Agentforce add-ons and Agentforce 1 Editions offering unlimited employee AI usage; price increases for Enterprise and Unlimited Editions starting August 1, 2025; and Slack plan updates adding AI features to all paid plans and Salesforce channels to all plans (including free). New Agentforce add-ons and editions provide unlimited generative AI access, pre-built templates, AI-powered analytics, and more. This overhaul aims to empower every employee with AI, driving customer success.

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Tech

Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

2025-01-28
Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

Security researchers discovered a critical vulnerability in Subaru's Starlink connected services, allowing hackers to access location data, remotely unlock doors, and more. By compromising Subaru employee accounts and exploiting an admin panel, attackers gained access to vehicle information. While the vulnerability has been patched, it highlights the serious security risks associated with connected cars.

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Tech Subaru

The Decline of Music and the Fall of Civilization: Lessons from Ancient Greece and China

2025-03-25
The Decline of Music and the Fall of Civilization: Lessons from Ancient Greece and China

This article explores the common thread in the decline of ancient Greek and Chinese civilizations: the degeneration of music. Plato and ancient Chinese texts argue that musical chaos directly led to the collapse of social order. The article posits that this wasn't merely an aesthetic shift, but a departure from the principles of cosmic harmony (the Greek Logos and the Chinese Tao). Initially, music adhered to strict conventions, maintaining social cohesion. However, when artists broke these conventions in pursuit of sensory stimulation, the audience's rational judgment was weakened, and social order crumbled. This wasn't rebellion against authority, but a rejection of cosmic harmony, ultimately leading to civilizational decline.

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