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The Death of SSL Certificate Management (as We Know It)

2025-08-26

Managing SSL certificates is becoming a nightmare. What was once a quarterly task is now a weekly struggle, driven by increasingly stringent validation requirements and drastically shortened certificate lifespans—down to a mere 47 days by 2029! This escalating burden is pushing organizations towards platform-integrated certificate management or free alternatives like Let's Encrypt, potentially disrupting the traditional CA market. The author questions whether these changes genuinely enhance security or simply add unnecessary overhead for already strained IT teams.

(www.chrislockard.net)

Development certificate management

Linear Scan Register Allocation: Handling Lifetime Holes

2025-08-26

This post details improvements to the linear scan register allocation algorithm to handle lifetime holes. The author explains how lifetime holes arise from reducing the control flow graph to a linear instruction sequence, creating discontinuities in virtual register lifetimes. The solution involves modifying the interval data structure to support multiple disjoint ranges, allowing the identification and exploitation of these holes. The linear scan algorithm is then adapted to consider these holes during register assignment, improving register utilization. This enhances the compiler's ability to leverage register resources, ultimately boosting code performance.

(bernsteinbear.com)

Development linear scan algorithm

Trump Threatens Tariffs on Nations Regulating US Tech

2025-08-26

Trump Threatens Tariffs on Nations Regulating US Tech

Donald Trump threatened to impose additional tariffs on countries that regulate American tech companies. He claims digital taxes and similar measures harm US tech firms while giving Chinese companies a pass. This could lead to tech export bans, potentially hurting even US chipmakers. However, this threat might be another Trumpian bluster, possibly ending with no action or minor concessions through negotiations.

(www.theregister.com)

Tech

Aligning Polynomial Features with Data Distribution: The Attention-Alignment Problem in ML

2025-08-26

Aligning Polynomial Features with Data Distribution: The Attention-Alignment Problem in ML

This post explores aligning polynomial features with data distribution for improved machine learning model performance. Orthogonal bases produce informative features when data is uniformly distributed, but real-world data isn't. Two approaches are presented: a mapping trick, transforming data to a uniform distribution before applying an orthogonal basis; and multiplying by a carefully chosen function to adjust the orthogonal basis's weight function to align with the data distribution. The first is more practical, achievable with Scikit-Learn's QuantileTransformer. The second is more complex, requiring deeper mathematical understanding and fine-tuning. Experiments on the California housing dataset show that near-orthogonal features from the first method outperform traditional min-max scaling in linear regression.

(alexshtf.github.io)

Development polynomial features feature engineering

The Ten Martini Problem: A Quantum Leap in Mathematical Understanding

2025-08-26

The Ten Martini Problem: A Quantum Leap in Mathematical Understanding

Mathematicians Jitomirskaya and Avila famously solved the 'Ten Martini Problem,' proving a specific mathematical model concerning electron behavior. However, their proof had limitations, only applying to simplified scenarios. In more realistic situations, the proof broke down, and the beautiful mathematical patterns vanished. This changed in 2013 when physicists observed the patterns in a lab, prompting Jitomirskaya to seek a new mathematical explanation. In 2019, her collaborator Ge proposed a 'global theory' promising to solve this, offering a more elegant approach to understanding almost-periodic functions.

(www.quantamagazine.org)

Tech almost periodic functions

The Rise and Fall of Interactive TV in North America: A Battle of Standards

2025-08-26

The Rise and Fall of Interactive TV in North America: A Battle of Standards

In the 1970s and 80s, North America attempted to integrate television with the computer world, developing interactive TV. Unlike the success of Ceefax and similar systems in Europe, these North American attempts ultimately failed. The article analyzes the reasons for this failure: a chaotic proliferation of competing technical standards (Ceefax, ORACLE, Antiope, NABTS), making it difficult for hardware manufacturers to choose and consumers to adopt; a fragmented market, with intense competition among US television networks, lacking the centralized broadcasting system of the UK, drastically increasing the difficulty of promoting new services; and indecisiveness from the FCC, which failed to establish a unified standard, worsening the chaos. Interactive TV ultimately died in North America, leaving a valuable lesson for technological development on the eve of the internet age.

(computer.rip)

Tech interactive TV technical standards

Amazon Sued Over 'Purchase' of Movies That Can Vanish

2025-08-26

Amazon Sued Over 'Purchase' of Movies That Can Vanish

A class-action lawsuit targets Amazon for allegedly misleading consumers into believing they're buying movies and TV shows outright when they're only purchasing limited-time licenses. The suit highlights the fine print buried in confirmation pages, contradicting the prominent use of the word "buy." This practice allegedly violates a recent California law mandating clear disclosure of revocable licenses. The lawsuit echoes concerns raised by gamers losing access to purchased games after server shutdowns, emphasizing the lack of transparency in digital content transactions.

(www.hollywoodreporter.com)

Tech

Dangerous Career Advice: A Sharp Tool for Strong Engineers

2025-08-26

This article argues that effective career advice, like sharp tools, can be immensely helpful or incredibly harmful depending on its use. Much career advice is superficial and lacks practical application. The author encourages engineers to embrace 'dangerous advice,' breaking conventions to achieve high efficiency. While risky, the rewards outweigh the risks for strong engineers. The author cautions that this advice isn't suitable for weaker engineers.

(www.seangoedecke.com)

Development

From Ruby to Python: A Programmer's Evolving Preferences

2025-08-26

A seasoned Ruby programmer shares their journey of evolving programming language preferences. Initially, they cherished Ruby's elegance and conciseness, but over time, Python's improvements, especially the introduction of type hints and pattern matching, shifted their perspective. They found Python's strengths in team collaboration and ultimately chose it as their primary language, highlighting the importance of practicality and team dynamics in a programmer's language choice.

(sgt.hootr.club)

Development

The Secret of Parabolic Microphones: Why High Frequencies Are Easier to Capture

2025-08-26

The Secret of Parabolic Microphones: Why High Frequencies Are Easier to Capture

Parabolic microphones are renowned for their extreme sensitivity, stemming from their considerable size. Similar to how telescopes use large parabolic mirrors to gather faint light, parabolic microphones use reflecting dishes to harvest faint sounds. However, this design has drawbacks: it's biased towards higher frequencies, leading to a sometimes 'tinny' sound quality, and lower frequencies experience reduced gain, with a cutoff frequency dependent on dish diameter. This article delves into the physics of parabolic microphone operation, explaining its frequency-dependent performance and the physical mechanisms behind its high-frequency gain, including reflection, reciprocity, interference, diffraction, and Huygens' wavelet model.

(legallyblindbirding.net)

Tech

Google Cracks Down on Android Sideloading: Developer Verification Incoming

2025-08-26

Google Cracks Down on Android Sideloading: Developer Verification Incoming

Google is bolstering Android security by mandating developer verification for apps installed outside the Play Store, starting September 2026. This phased rollout requires developers to submit identity information via a new Android Developer Console, increasing accountability and aiming to curb malware. While app content isn't checked, the move makes it harder for malicious actors to remain anonymous, similar to airport ID checks. The initial rollout targets Brazil, Indonesia, Singapore, and Thailand, regions heavily impacted by fraudulent apps, with global expansion planned for 2027. This mirrors Apple's macOS approach and could significantly reduce malware, though the trade-off of developer anonymity remains a point of contention.

(www.androidauthority.com)

Tech

FTC Warns Big Tech: Don't Sacrifice Data Security for Foreign Governments

2025-08-26

FTC Warns Big Tech: Don't Sacrifice Data Security for Foreign Governments

The FTC chairman, Andrew N. Ferguson, sent a letter to major US tech companies, including Google, Apple, and Microsoft, warning against complying with foreign government demands that weaken data security, compromise encryption, or censor content. Ferguson stressed that weakening security at a foreign government's request, especially without user notification, violates the FTC Act and exposes companies to legal action. He specifically cited the EU's Digital Services Act and the UK's Online Safety Act as examples. The FTC warns these laws undermine American users' freedom and data security, reminding companies of their obligations under the FTC Act regarding data security and privacy. The letter follows recent events like Apple's temporary removal of iCloud end-to-end encryption in the UK, which was later reversed.

(www.bleepingcomputer.com)

Tech

Perplexity Launches Comet Plus to Address AI Copyright Concerns

2025-08-26

Perplexity Launches Comet Plus to Address AI Copyright Concerns

AI startup Perplexity has launched a paid subscription service, Comet Plus, offering users premium content from trusted publishers and journalists while providing publishers with a fairer compensation model. Included in Perplexity's Pro and Max memberships, Comet Plus is also available as a standalone subscription for $5 per month. Perplexity has allocated $42.5 million to a revenue-sharing program, paying publishers 80% of revenue generated when their content is used by its Comet browser or AI assistant. This move addresses ongoing copyright infringement lawsuits against AI companies. Perplexity aims to foster partnerships with news publishers, balancing AI advancements with copyright protection.

(www.pymnts.com)

Tech

Apple Sues Ex-Employee for Allegedly Stealing Apple Watch Trade Secrets

2025-08-26

Apple Sues Ex-Employee for Allegedly Stealing Apple Watch Trade Secrets

Apple is suing a former Apple Watch team member, Dr. Chen Shi, for allegedly stealing trade secrets before joining Oppo. The lawsuit claims Shi downloaded 63 protected documents and contacted Oppo to gather information. Oppo denies the allegations, stating they found no evidence of wrongdoing during Shi's employment and will cooperate with the legal process. This case highlights the challenges tech companies face in protecting their intellectual property.

(www.theverge.com)

Tech

AMD CPU Stability Issues: The Importance of BIOS Updates

2025-08-26

AMD CPU Stability Issues: The Importance of BIOS Updates

Both AMD and Intel have faced issues with CPU performance degrading over time, often linked to motherboard manufacturers deviating from default settings. To address similar problems, AMD recommends users promptly update their motherboard BIOS to obtain the latest default settings, improve compatibility, and enhance security. AMD's longer lifespan chipsets and CPU sockets, along with various power and overclocking tools, create a much wider range of system configurations, increasing testing difficulty. This is particularly true for AM4 motherboards, which can theoretically pair with much later CPUs, unlike Intel's ecosystem.

(arstechnica.com)

Hardware BIOS updates CPU stability

Desperate Biotech Firms Turn to Crypto: A Hail Mary Pass?

2025-08-26

Desperate Biotech Firms Turn to Crypto: A Hail Mary Pass?

Facing a sluggish stock market and funding difficulties, several small biotech companies are adopting a desperate strategy: investing heavily in cryptocurrencies. Companies like 180 Life Sciences Corp. (now ETHZilla) saw their stock prices skyrocket after accumulating significant Ethereum holdings, only to see those gains evaporate shortly after. While this tactic can provide a short-term stock price boost, it carries substantial long-term risks, potentially harming core operations and alienating investors. Analysts view this as a last-ditch effort for companies struggling with slow R&D progress and dwindling funds, but the odds of success remain questionable.

(finance.yahoo.com)

Tech

Linux Turns 34: From Hobby Project to Global Domination

2025-08-26

Linux Turns 34: From Hobby Project to Global Domination

Thirty-four years ago, an unknown Finnish computer science student, Linus Torvalds, announced a free operating system project, initially intended as a hobby. Today, Linux powers a vast array of devices, a testament to its success. This article recounts Linux's humble beginnings: Torvalds sought feedback on a newsgroup before releasing version 0.01. Interestingly, the name 'Linux' wasn't Torvalds' choice; a colleague named it at the last minute. From its initial 'Freax' moniker to its current global prominence, Linux's journey showcases the triumph of open-source software and its remarkable portability and adaptability.

(www.tomshardware.com)

Tech

Russia's New Soyuz-5 Rocket: Breaking Free from Ukraine, Targeting Commercial Launches

2025-08-26

Russia's New Soyuz-5 Rocket: Breaking Free from Ukraine, Targeting Commercial Launches

Following the breakdown of space cooperation with Ukraine due to the conflict, Russia is accelerating development of its new Soyuz-5 rocket. Powered by the powerful RD-171MV engine, which avoids Ukrainian components and boasts over three times the thrust of a NASA Space Shuttle Main Engine, the Soyuz-5 aims to replace the Zenit and Proton-M rockets. Russia hopes to gain a stronger foothold in the commercial launch market. However, even more significant is the Soyuz-7 (Amur) rocket, designed with a reusable first stage and new liquid oxygen-methane engines, intended to eventually replace the Soyuz-2. Its debut, however, has been pushed back to no earlier than 2030.

(arstechnica.com)

Tech Russian space program Soyuz-5 rocket RD-171MV engine

Small EVs Reign Supreme: Lowest Lifecycle Carbon Emissions

2025-08-26

Small EVs Reign Supreme: Lowest Lifecycle Carbon Emissions

A University of Michigan study reveals that compact electric vehicles boast the lowest lifecycle carbon emissions, considering factors like vehicle type, usage patterns, and location. Comparing gasoline, hybrid, and electric vehicles, the study found that a compact electric sedan with a 200-mile battery has just 17% the lifecycle emissions of a gas-powered pickup truck. Even a short-range electric pickup only produces 25% of the emissions. Hybrids offered modest improvements, while among EVs, smaller battery packs consistently resulted in lower environmental impact.

(arstechnica.com)

Tech Carbon Emissions

timep: A blazing-fast Bash profiler with built-in flamegraphs

2025-08-26

timep: A blazing-fast Bash profiler with built-in flamegraphs

timep is a state-of-the-art trap-based profiler for bash code. It generates per-command execution time profiles, hierarchically logging command runtimes and metadata based on function and subshell nesting. The latest release (v1.3) is fully self-contained, including a compressed binary and a flamegraph generator. Major refactorings have dramatically improved performance; a test with ~67,000 commands now runs in 5 minutes (down from 20!). timep offers detailed and summarized profiles, plus visually insightful flamegraphs, simplifying the analysis and optimization of Bash code.

(github.com)

Development Bash profiling Flamegraphs Performance optimization

Bluesky's Decentralized Success Story: Blacksky's Two Million Users

2025-08-26

Bluesky's Decentralized Success Story: Blacksky's Two Million Users

Blacksky, a decentralized social network built on Bluesky's AT Protocol, has rapidly grown to two million users organically, showcasing the potential of decentralized platforms. Prioritizing Black voices and community safety, Blacksky uses its custom-built, open-source tools and a community-based moderation system to maintain its unique identity, independent from Bluesky. Its success highlights the power of decentralized infrastructure in fostering inclusive and self-governed online spaces.

(newpublic.substack.com)

Tech

Fenster: A Minimal Cross-Platform 2D Canvas Library

2025-08-26

Fenster: A Minimal Cross-Platform 2D Canvas Library

Fenster is a minimalistic cross-platform 2D canvas library reminiscent of Borland BGI or QBASIC graphics. It offers a single application window, a 24-bit RGB framebuffer, cross-platform keyboard/mouse input, and audio playback—all with minimal code. A simple polling API avoids callbacks or multithreading. It boasts C99, Go, Zig, and Lua bindings, and yes, it can even run Doom!

(github.com)

Development 2D graphics

Turning an Old iPhone into a UniFi Protect Camera with Docker

2025-08-26

The author successfully integrated an old iPhone's camera into their UniFi Protect system using a Docker container. Lacking an iOS app with native ONVIF support, they cleverly used an RTSP app (IP Camera Lite) and an ONVIF proxy Docker container. ffmpeg was used to verify the RTSP stream, and after some configuration adjustments (including specifying the correct width/height), the DIY camera was successfully added to UniFi Protect, replacing their previous Surveillance Station and Scrypted setups.

(www.caseyliss.com)

Hardware Third-party Camera

RubyGems.org's Multi-Layered Defense Against Malicious Gems

2025-08-26

RubyGems.org recently thwarted an attack involving malicious gems designed to steal social media credentials. Their success stems from a multi-layered security approach: automated detection (static and dynamic code analysis), risk scoring, retroactive scanning, and external intelligence. Upon detection, suspicious gems undergo manual review; confirmed malicious gems are removed and documented. In a recent incident, RubyGems.org removed most malicious packages before Socket.dev's report and actively collaborated on the investigation, demonstrating effective security response. The article encourages community participation in security maintenance and calls for corporate support of RubyGems.org's security efforts.

(blog.rubygems.org)

Development Malicious Gems

Reverse-Engineered: High-Res Raspberry Pi Internal Scans Released

2025-08-26

Following Jonathan Clark's and TubeTime's reverse engineering efforts on the Raspberry Pi Zero 2 W and Compute Module 5 respectively, and their subsequent release of schematics and processes, the author discovered they possessed high-resolution Lumafield scans of most modern Raspberry Pi models (excluding the larger keyboard form factor Pis). These scans, offering detailed internal views, are now publicly available for community exploration and analysis.

(www.jeffgeerling.com)

Hardware 3D Scans

DeepWiki: Your AI Coding Powerhouse

2025-08-26

DeepWiki: Your AI Coding Powerhouse

DeepWiki instantly transforms any GitHub repository into a navigable wiki, dramatically boosting AI-assisted coding efficiency. It offers fast and deep search modes, providing precise answers with source code links. The DeepWiki MCP server integrates seamlessly with AI IDEs like Claude and Cursor for real-time context querying. DeepWiki helps understand codebases, generate code snippets, evaluate open-source library security and licenses, and even assists with code reviews. Whether you're a beginner or an expert, DeepWiki is a powerful tool for efficient coding.

(www.aitidbits.ai)

Development

Real-time 3D Human Motion Detection and Visualization using WiFi CSI

2025-08-26

Real-time 3D Human Motion Detection and Visualization using WiFi CSI

WiFi-3D-Fusion is an open-source project that leverages Channel State Information (CSI) from local Wi-Fi to perform real-time human motion detection and 3D visualization. Supporting both ESP32-CSI and Nexmon data acquisition, it employs advanced CNNs for person detection and tracking, including multi-person identification and re-identification. A continuous learning pipeline allows the model to automatically improve during operation. Visualization is offered through both a web interface and a terminal-based pipeline. Optional integrations with Person-in-WiFi-3D, NeRF², and 3D Wi-Fi Scanner are also provided.

(github.com)

Development WiFi sensing human motion detection

Annotated Transformer: A Line-by-Line Implementation

2025-08-26

This document presents an annotated, line-by-line PyTorch implementation of the Transformer paper. It reorders and removes some sections from the original paper and adds comments throughout. The notebook provides a complete, runnable implementation, explaining the Transformer architecture (encoder, decoder, attention, positional encoding, etc.), training process, and a real-world example (Multi30k German-English translation).

(nlp.seas.harvard.edu)

Development

Scala Capture Checking: The Tech Behind a Failed Talk

2025-08-26

This article recounts the author's failed presentation on capture checking at Scala Days 2025 and the subsequent deep dive into the technology. Capture checking aims to solve the problem of values escaping their intended scope, such as premature closure of resources in try-with-resource patterns. Scala implements capture checking by introducing 'capture sets', a type system feature that allows marking a type and all values it captures. The article details capture sets, subtyping, syntactic sugar, and the mechanisms for capturing functions and classes, exploring capture set behavior in type parameters. Ultimately, the author argues that while capture checking involves many details, it's a largely invisible feature for most developers, improving Scala's safety and enabling wider capabilities usage.

(nrinaudo.github.io)

Development Capture Checking

Unexpected CPU Performance Boost from Data Structure Optimization

2025-08-26

A program processing a large dataset encountered memory and CPU performance bottlenecks. Initially using a single array to store data resulted in up to 1GB of memory consumption. By employing data-oriented programming, splitting the data into multiple arrays saved approximately 200MB of memory. Further optimization involved replacing a string array with byte array indices for field names, further reducing memory usage. Surprisingly, this change also significantly decreased CPU usage. The reason lies in the garbage collection mechanism: processing a string array requires the GC to traverse all string objects, while processing a byte array doesn't, thus drastically reducing GC overhead.

(ayende.com)

Development data structure optimization

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