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Cheap Smartwatch Security Flaw Exposes Sensitive Health Data

2025-02-12
Cheap Smartwatch Security Flaw Exposes Sensitive Health Data

A security researcher reverse-engineered a low-cost smartwatch, revealing a critical vulnerability. The watch, using the VeryFit app, lacks authentication, allowing anyone to connect and access sensitive health data—activity, sleep, heart rate, even menstrual cycles—without any security measures. The researcher created a website to extract and convert this data to TCX format. This highlights the security risks of budget smartwatches and underscores the need for user caution.

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(sprocketfox.io)
Tech smartwatch security

Registry Explorer: Interactively Explore Docker Images

2025-09-13

Registry Explorer is a powerful tool that lets you interactively explore the contents of Docker images, even drilling down into the filesystem. Running on Google Cloud Run and using google/go-containerregistry, it cleverly minimizes costs and registry traffic. Layers are downloaded and indexed only once, with subsequent access using efficient indexing and range requests. This saves bandwidth and reduces load on the registry. The project is open-source and sponsored by Docker.

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(oci.dag.dev)
Development Image Exploration

Emacs Extension: An Elegant Hack

2025-09-13

This article details how the author used Emacs' powerful extension mechanism to elegantly solve the problem of automatically sorting reading lists in Org-mode. While Org-mode itself doesn't offer a direct extension point, the author cleverly leverages the `advice-add` function to insert custom code after `org-set-regexps-and-options`, achieving custom sorting. This highlights Emacs' philosophy of encouraging extensibility, offering flexible solutions even where dedicated extension points are absent. The author's approach, while arguably a bit brute-force, perfectly illustrates the power of Emacs extensibility.

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(edoput.it)
Development

Bag of Words: Build and Share Smart Data Apps with AI

2025-02-17
Bag of Words: Build and Share Smart Data Apps with AI

Bag of Words empowers users to create comprehensive dashboards from a single prompt and iteratively refine them. It seamlessly integrates with various data sources, including databases, APIs, and business systems, enabling efficient data utilization. Key features include natural language queries, dashboard management, and compatibility with multiple LLMs (OpenAI, Anthropic, etc.). The project offers Docker deployment and detailed setup instructions for Python and Node.js environments, using the AGPL-3.0 license.

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(github.com)
AI Data Applications

Unlock AI Innovation: Risk-Free Vector Search for Existing Apps

2025-01-26
Unlock AI Innovation: Risk-Free Vector Search for Existing Apps

This blog post demonstrates how to seamlessly integrate vector search into existing applications without the need for complete re-platforming. The author uses a simple recommendation engine example, combining cat image embeddings with TPCC purchase history data to recommend products based on visually similar cats. This showcases how AI functionalities can be added to existing apps using enhanced SQL syntax and APIs, highlighting the importance of testing database engines, vector indexes, and I/O subsystems under heavy concurrent workloads. The author emphasizes the low-hanging fruit of adding AI to existing infrastructure.

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(silk.us)
Development database performance

Nine: A Stunning C64 Demo

2025-02-05

A developer released 'Nine', a small yet incredibly impressive C64 demo at Fjälldata 2025. A video explaining its workings is in the works, but for the impatient, the machine code monitor is available. The demo has been lauded by users, with some calling it the best of 2025. However, one user reported a syntax error when running it on VICE emulator.

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(linusakesson.net)
Game Demo

Emacs 30.1: Native Compilation, Android Support, and More

2025-02-24
Emacs 30.1: Native Compilation, Android Support, and More

Emacs 30.1 is here, packed with new features and improvements. Native compilation is now enabled by default, resulting in a significant performance boost. Full support for Android has arrived, along with numerous touchscreen enhancements. Other highlights include a built-in JSON parser, improved minibuffer completion, enhanced Org mode URI protocol integration, and countless quality-of-life improvements. This release marks a major leap forward for Emacs.

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(www.masteringemacs.org)
Development Native Compilation

Federal Data Vanishing: Civil Society Steps Up to Save the Day

2025-02-13
Federal Data Vanishing: Civil Society Steps Up to Save the Day

Hundreds of federal datasets and government websites have mysteriously disappeared or been drastically altered since the start of the Trump administration. Responding to this crisis, civil society organizations are taking action. Harvard's Library Innovation Lab recently released 16 terabytes of archived data.gov, a complete copy of the platform's former holdings. On February 13th at 3 PM Eastern, MuckRock will host an event featuring the Internet Archive and the Harvard Law School Library Innovation Lab, discussing at-risk data, how to access rescued data, and how to contribute to preservation efforts.

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(www.muckrock.com)
Tech government data

Open-Source R1 Shakes Up the AI World: Accelerated Development!

2025-01-26
Open-Source R1 Shakes Up the AI World: Accelerated Development!

The AI landscape is exploding with new models. DeepSeek's open-source reasoning model, R1, matches the performance of OpenAI's closed-source o1, but at a fraction of the cost, sending shockwaves through the industry. R1 validates OpenAI's o1 and o3 approaches and reveals new trends: pretraining's diminished importance and the emergence of inference time scaling laws, model downsizing, reinforcement learning scaling laws, and model distillation scaling laws, all accelerating AI development. R1's open-source nature intensifies US-China competition, highlighting the massive geopolitical implications of AI's rapid progress.

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(timkellogg.me)
AI

Object-Oriented Python Enigma Machine Implementation

2025-01-25

This blog post details an object-oriented Python implementation of the Enigma cipher machine. Based on the description in 'The Code Book', the author models each component (rotors, plugboard, reflector, etc.) as a class, simulating the encryption/decryption process. This simplified implementation includes three rotors, a plugboard, and a reflector, omitting the ring setting. The author highlights the ease of simulating the Enigma machine in code compared to physically building one, underscoring the power of modern computing.

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(christopherchmielewski.xyz)
Development Enigma Machine

AI Facial Recognition Derails Murder Case

2025-01-28
AI Facial Recognition Derails Murder Case

Cleveland police used AI facial recognition to obtain a search warrant in a murder case, but the technology's results are inadmissible in court. A judge subsequently threw out the evidence, potentially derailing the prosecution. The case highlights a critical lack of oversight, regulation, and training surrounding the use of AI in law enforcement, raising ethical and legal concerns about its application in judicial proceedings.

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(www.cleveland.com)
Tech Facial Recognition Justice

Span<T> Beats memcmp: Massive Performance Gains in .NET Byte Array Comparisons

2025-03-30
Span<T> Beats memcmp: Massive Performance Gains in .NET Byte Array Comparisons

This post benchmarks various byte array comparison methods in .NET, including `memcmp`, looping, `Enumerable.SequenceEqual`, and `Span.SequenceEqual`. Results show `Span.SequenceEqual` offers the best performance in .NET 8 and later, significantly outperforming `memcmp` and traditional looping, even on .NET Framework. For small arrays, looping is fastest, but `Span.SequenceEqual`'s advantage grows dramatically with array size. The author recommends using `IEnumerable.SequenceEqual` in .NET 8+ and `Span.SequenceEqual` in .NET Framework, avoiding `memcmp` and custom implementations.

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(richardcocks.github.io)
Development byte array comparison

Apple's Image Playground: A Case Study in AI Bias

2025-02-17
Apple's Image Playground: A Case Study in AI Bias

Apple's new image generation app, Image Playground, despite incorporating safety features to prevent realistic deepfake generation, reveals inherent biases within AI models. Experiments show that using the same image with different prompts results in significant variations in skin tone and hair style, suggesting a bias towards certain skin colors. Further research highlights this bias is prevalent in other image generation models, reflecting societal biases embedded within training data. While Apple is addressing and attempting to measure model bias, completely resolving AI bias remains a significant challenge.

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(www.giete.ma)
AI

Ledger Co-founder Kidnapped: Massive Investigation Underway in France

2025-01-23
Ledger Co-founder Kidnapped: Massive Investigation Underway in France

David Balland, a co-founder of the cryptocurrency wallet company Ledger, has been kidnapped, prompting a large-scale investigation by French authorities. The incident unfolded in the Cher department of France, involving a significant police deployment including helicopters and searches of multiple locations. The motive behind the kidnapping remains unclear, and whether a ransom is involved has not been publicly disclosed. This event highlights the security risks within the cryptocurrency industry.

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(www.leberry.fr)
Tech kidnapping

Sigstore: Securing the Open Source Software Supply Chain

2025-01-21
Sigstore: Securing the Open Source Software Supply Chain

Sigstore is an open-source project aiming to secure software supply chains through digital signatures and transparent logging. It simplifies software verification, allowing developers to easily verify software integrity and origin, thus preventing malicious software and supply chain attacks. Sigstore's core strength lies in its ease of use and integration with existing tools, contributing to a more secure and reliable software ecosystem.

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(www.sigstore.dev)
Development supply chain security

Unencrypted Radio Signals Expose Central European Power Grid to Catastrophic Attack

2025-01-25
Unencrypted Radio Signals Expose Central European Power Grid to Catastrophic Attack

Researchers have discovered that renewable energy facilities across Central Europe use unencrypted radio signals to control power distribution, leaving the entire grid vulnerable to a potential catastrophic attack. By replaying or forging signals, attackers could manipulate numerous power facilities, potentially causing widespread blackouts. While the feasibility of such an attack is debated, the vulnerability highlights the urgent need to upgrade existing systems and improve security.

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(arstechnica.com)
Tech energy infrastructure

Chrome Sync Sunset: Older Chrome Versions Affected

2025-01-28

Google has announced that Chrome Sync will be discontinued on Chrome versions older than four years. This means users on older Chrome versions will no longer be able to sync their bookmarks, passwords, and other data. The move encourages users to upgrade to the latest Chrome version for improved performance and security. Users of older Chrome versions should upgrade to avoid data loss or functional limitations.

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(support.google.com)
Tech Chrome browser Sync functionality Software update

Massive Great Firewall Leak: 500GB of Source Code and Internal Documents Exposed

2025-09-14
Massive Great Firewall Leak: 500GB of Source Code and Internal Documents Exposed

On Thursday, September 11, 2025, the Great Firewall of China (GFW) experienced its largest-ever leak of internal documents, exposing over 500GB of source code, work logs, and internal communications. The leak originated from Geedge Networks (led by Fang Binxing) and the MESA Lab at the Chinese Academy of Sciences, revealing details of the GFW's development and operation. Documents show the technology's export to countries like Myanmar and Pakistan, alongside domestic use. This significant leak warrants further analysis, with ongoing updates promised by GFW Report.

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(gfw.report)
Tech

Visual Programming's Future: Beyond Nodes and Wires

2025-09-14
Visual Programming's Future: Beyond Nodes and Wires

This article explores the limitations of visual programming, arguing that it has long been trapped in the node-and-wire paradigm, neglecting the principle of "form follows function." Using CellPond as an example, the author highlights that its success lies in defining the underlying function (only four operations) first, with the form emerging naturally. The author further elaborates on the threefold meaning of "function": intrinsic nature, rationality, and algebra, and argues that visual programming should focus on leveraging the human visual cortex's pattern recognition capabilities to model problems, rather than simply mimicking textual programming. The article proposes modeling problems as entities and relationships, and utilizing visual elements (color, grouping, motion) to represent state changes, thus breaking through the limitations of existing visual programming and creating more powerful programming tools.

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(interjectedfuture.com)
Development

OpenArc: A Lightweight Inference API for Accelerating LLMs on Intel Hardware

2025-02-19
OpenArc: A Lightweight Inference API for Accelerating LLMs on Intel Hardware

OpenArc is a lightweight inference API backend leveraging the OpenVINO runtime and OpenCL drivers to accelerate inference of Transformers models on Intel CPUs, GPUs, and NPUs. Designed for agentic use cases, it features a strongly-typed FastAPI implementation with endpoints for model loading, unloading, text generation, and status queries. OpenArc simplifies decoupling machine learning code from application logic, offering a workflow similar to Ollama, LM-Studio, and OpenRouter. It supports custom models and roles, with planned extensions including an OpenAI proxy, vision model support, and more.

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(github.com)
AI Inference API

Deepseek Predicts Devastating Impact of 25% Tariffs on Canadian GDP

2025-01-28
Deepseek Predicts Devastating Impact of 25% Tariffs on Canadian GDP

A blog post details Deepseek's AI model prediction of the impact of a 25% US tariff on Canadian goods. Deepseek simulates the effects on Canadian GDP, factoring in reduced exports, demand elasticity, multiplier effects, and potential retaliatory tariffs. The model suggests a GDP decrease ranging from 1.7% to 8%, with a baseline estimate of 4%, aligning with the Bank of Canada's projection. Deepseek's analysis speed highlights the potential of AI in economic modeling.

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(stephaniekelton.substack.com)
Tech economic model tariffs

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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(jalopnik.com)
Tech Subaru

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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(interviewing.io)
Development Interview Prep

IPv6 Isn't Hard, It's Just Different: A GitHub Case Study

2025-02-16
IPv6 Isn't Hard, It's Just Different: A GitHub Case Study

A Mastodon post lamented the difficulty of IPv6 configuration. The author uses GitHub as an example to show that the problem isn't IPv6 itself, but inadequate configuration and monitoring. Many websites, while having IPv6 address records (AAAA), are actually inaccessible via IPv6 because the browser's Happy Eyeballs mechanism prioritizes faster IPv4. In one case, a customer's split VPN tunnel blocked IPv6 connections. In another, traceroute showed that IPv6 routing terminated earlier than IPv4, indicating a possible firewall rule or routing issue. The author concludes: take IPv6 seriously, or don't use it. Lack of IPv6 monitoring and automation makes problems difficult to detect and resolve.

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(techlog.jenslink.net)
Tech network configuration

Go 1.24's `go tool`: A Game Changer for Dependency Management

2025-01-27
Go 1.24's `go tool`: A Game Changer for Dependency Management

Go 1.24 introduces a revolutionary change in tool management with the new `go tool` command and the `tool` directive in `go.mod`. Previously, developers relied on `tools.go` or manual installations, leading to performance overhead and dependency bloat. `go tool` elegantly solves these issues. Its caching mechanism speeds up builds, and it prevents unnecessary dependencies, significantly improving developer workflow. While migration might encounter some compatibility hiccups, like with gqlgen, the performance gains and streamlined dependency management make `go tool` one of the most exciting advancements in the Go ecosystem in recent years.

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(www.jvt.me)
Development

C++20 Modules: Compile Time Improvements and Practical Experiences

2025-09-11

This article shares the author's practical experience using C++20 modules, covering build system choices (Bazel, XMake, Build2, etc.), compile time improvements (25%-45%), and differences from PCH. The author also discusses suitable scenarios for C++20 modules, costs (code refactoring, compiler stability, code completion support, etc.), module wrappers (export-using and extern "C++" styles), and techniques for mixing import and #include. The article concludes with future improvement directions for C++20 modules, such as improving build systems, enhancing code intelligence, resolving cross-platform issues, and highlighting AI's potential in module conversion tool development.

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(chuanqixu9.github.io)
Development Compile Optimization

CMU's ML in Production Course: From Model to Product

2025-01-28

Carnegie Mellon University (CMU) offers a course, "Machine Learning in Production/AI Engineering," covering the entire lifecycle of building machine-learned models into real-world products. It encompasses model building, deployment, assurance, maintenance, responsible AI (safety, security, fairness, explainability), and MLOps. Targeted at students with some data science and programming experience, it doesn't require a software engineering background. Through case studies and a large-scale project, students learn to translate models into deployable and maintainable products, fostering collaboration in interdisciplinary teams.

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(mlip-cmu.github.io)
Development AI Engineering

iText Suite 9.1 Released: Performance Boost and Enhanced SVG Support

2025-02-20
iText Suite 9.1 Released: Performance Boost and Enhanced SVG Support

Celebrating its 25th anniversary, iText releases iText Suite 9.1. This release massively expands SVG implementation in iText Core, improving text positioning, font handling, and adding support for relative size attributes. It also significantly boosts large table generation performance, especially when adding structural tagging, crucial for PDF/A and PDF/UA. The pdfHTML add-on benefits from the performance increase and now supports GraalVM Native Image compilation, enhancing flexibility in resource-constrained environments. Further improvements include enhanced digital signing capabilities, improved PDF/UA-2 support, and updates across various add-ons.

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(itextpdf.com)
Development

teemoji: The CLI That Adds Emojis to Your Terminal Output

2025-01-30
teemoji: The CLI That Adds Emojis to Your Terminal Output

teemoji is a command-line tool inspired by the classic tee utility. It uses a Core ML model to predict and prepend an appropriate emoji to each line of text, adding a fun, contextual element to your command-line workflows. Features include emoji prediction, standard I/O support, file handling options (append or overwrite), and easy integration into existing shell pipelines. Installation is straightforward via Homebrew, and usage mirrors the standard tee command, with added emoji functionality and helpful options.

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(github.com)
Development
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