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Build Your Own Federated Microblog with Fedify

2025-04-24

Build Your Own Federated Microblog with Fedify

This tutorial guides you through building a small, ActivityPub-compliant federated microblog using the Fedify framework. No prior knowledge of TypeScript, JSX, or ActivityPub is required. You'll learn to create accounts, set up a database, interact with other servers (including Mastodon), and implement features like following, posting, and displaying a timeline. The tutorial provides detailed code examples and steps, along with concise explanations of TypeScript and JSX. By the end, you'll have a working single-user microblog that can communicate with the fediverse.

(fedify.dev)

Development Federated Social

Poireau: A Lightweight Heap Allocation Debugger

2025-05-22

Poireau: A Lightweight Heap Allocation Debugger

Poireau is a lightweight library for debugging memory allocation issues. It generates a statistically representative overview of an application's heap footprint by intercepting a small fraction of calls to malloc/calloc, etc., with minimal performance impact. Poireau uses Linux perf for tracing and an external script for analysis, pinpointing memory leaks and other problems. Its advantages include low invasiveness, ease of auditing, and suitability for production use, even providing information after a crash.

(github.com)

Development memory debugging

Microgravity: A Unique Environment for Space Research

2025-04-13

Microgravity: A Unique Environment for Space Research

Microgravity isn't the absence of gravity, but rather an extremely weak gravitational field (1/1000th to 1/1,000,000th of Earth's gravity). The International Space Station, contrary to popular belief, isn't in zero-G, but experiences continuous freefall, creating the sensation of weightlessness. In microgravity, fluids, cell growth, combustion, and crystal formation behave differently, offering unique experimental possibilities. Spark Gravity is focused on programmable gravity, bridging the gap in current research limited to either full gravity or zero-G environments on Earth and the ISS. Their goal is to allow scientists to control gravity as a variable, simulate lunar, Martian, or deep space environments, and conduct long-duration studies without the need for a full space station.

(sparkgravity.com)

Tech microgravity space research programmable gravity

Stop Wasting Your Time on Unprofitable Work!

2025-04-07

Many engineers focus on non-profit work like performance improvements and accessibility, only to be laid off for not being valued. The article argues that tech companies are driven by profit, and an engineer's value is directly tied to their work's contribution to that profit. The author advises engineers to understand their company's business model, connect their work to profitability, and thereby secure their position. Even seemingly unprofitable work can generate value at scale in large companies.

(www.seangoedecke.com)

Development engineer career development

Turning Google Sheets into Handy Web Apps: A Programmer's Tale

2024-12-31

Turning Google Sheets into Handy Web Apps: A Programmer's Tale

An Ars Technica reporter shares his journey of transforming simple Google Sheets into phone-friendly web apps using Glide. Initially created to streamline takeout ordering, the app manages local restaurant information with efficient search and filtering. He expanded his approach to create apps for recipes and pantry items, improving daily life. The article showcases the power of no-code tools and how simple solutions can solve real-world problems, highlighting ingenuity and a quest for better living.

(arstechnica.com)

Development

Is 1 a Prime Number? A Mathematical Saga

2025-04-21

Is 1 a Prime Number? A Mathematical Saga

This essay delves into the long-standing debate in mathematics surrounding the classification of 1 as a prime number. From the Pythagorean school's exclusion of 1 as a number to differing views held by mathematical giants like Euler and Hardy, the status of 1 has been a source of ongoing discussion. The article explores the advantages and disadvantages of considering 1 as prime or not, and the resulting adjustments to mathematical theorems and concepts. Ultimately, the essay summarizes why the modern mathematical community generally does not consider 1 a prime number, highlighting that mathematical definitions are not immutable truths but conventions made for simplicity and theoretical consistency.

(mathenchant.wordpress.com)

Misc Prime Numbers Mathematical Definitions

EU Slams SHEIN with Warning Over Deceptive Practices

2025-05-27

EU Slams SHEIN with Warning Over Deceptive Practices

The European Commission issued a warning to SHEIN, citing various violations of consumer protection laws on its website. These include fake discounts, pressure selling, misleading information, deceptive product labeling, and hidden contact details. SHEIN has one month to respond; failure to comply could result in substantial fines. This action comes as SHEIN already faces US tariffs, creating significant hurdles for its global expansion. China, which sees SHEIN as a key exporter, will likely view the EU's warning as a setback to its economic development strategy.

(www.theregister.com)

Startup

AI Dependence: A Comfortable Trap?

2025-02-15

AI Dependence: A Comfortable Trap?

A Microsoft and Carnegie Mellon University study reveals that over-reliance on AI tools diminishes critical thinking skills. Researchers surveyed 319 knowledge workers, finding that the more they depended on AI, the less they engaged in critical thinking, leading to a decline in independent problem-solving abilities. While AI boosts efficiency, overdependence can erode independent thinking habits, potentially leading to a decline in personal capabilities—an unforeseen risk in the AI age.

(gizmodo.com)

AI critical thinking work efficiency

Deep Dive into JVM Startup

2025-01-09

Billy Korando from Oracle's Java team published an in-depth article on January 9, 2025, exploring the intricacies of JVM startup. The article provides a detailed look into the internal mechanisms of JVM initialization, offering valuable insights for Java developers. Readers are encouraged to check the video description for further information.

(inside.java)

Development

Superellipses and Superhyperbolas: Beyond Classical Geometry

2025-03-28

This article introduces superellipses and superhyperbolas, generalizations of ellipses and hyperbolas, respectively. The shapes are controlled by a parameter 'p'. When p=2, they reduce to standard ellipses and hyperbolas. Increasing p makes superellipses more rectangular, but with continuous curvature; superhyperbolas become blunted at the vertices. The article explores why superellipses are far more common than superhyperbolas, speculating on naming conventions and the lack of effective advocacy for the latter.

(www.johndcook.com)

Misc Superellipse

The End of Moore's Law and the Growing Heat Problem in Chips

2025-04-16

The End of Moore's Law and the Growing Heat Problem in Chips

The slowdown of Moore's Law has led to increasing power density in chips, making heat dissipation a critical bottleneck affecting performance and lifespan. Traditional cooling methods are insufficient for future high-performance chips, such as the upcoming CFET transistors. Researchers have developed a new simulation framework to predict how new semiconductor technologies affect heat dissipation and explored advanced cooling techniques, including microfluidic cooling, jet impingement cooling, and immersion cooling. System-level solutions, such as dynamically adjusting voltage and frequency, and thermal sprinting, also aim to balance performance and heat. Future backside functionalization technologies (CMOS 2.0) like backside power delivery networks, backside capacitors, and backside integrated voltage regulators, promise to reduce heat by lowering voltage but may introduce new thermal challenges. Ultimately, solving the chip heat problem requires a multidisciplinary effort, with system technology co-optimization (STCO) aiming to integrate systems, physical design, and process technology for optimal performance and cooling.

(spectrum.ieee.org)

Hardware chip cooling semiconductor technology

Automating the Search for Artificial Life with Foundation Models

2024-12-24

Automating the Search for Artificial Life with Foundation Models

Sakana AI, in collaboration with MIT and others, has developed ASAL, an algorithm using vision-language foundation models to automate the discovery of artificial life. ASAL tackles three search problems: finding simulations with specific target behaviors, discovering simulations generating perpetual novelty, and illuminating all possible simulations. Successfully applied to Lenia, Boids, Particle Life, and others, ASAL unearthed novel artificial lifeforms and cellular automata rules surpassing Conway's Game of Life in open-endedness. This breakthrough promises to revitalize ALife research by overcoming the limitations of manual simulation design and offers insights for future AI development, incorporating principles of open-endedness and self-organization.

(sakana.ai)

AI Artificial Life Foundation Models Automated Search

The Enigmatic Octobass: A Giant Among Instruments

2025-06-20

The Enigmatic Octobass: A Giant Among Instruments

The octobass, a rare and unusual instrument, is known for its immense size and incredibly low register. Invented in 1850 by Jean-Baptiste Vuillaume, this giant instrument requires a complex system of pedals and levers to play. Its deep sound is so low that some notes fall below the range of human hearing; the vibrations can only be felt. Today, only a handful of octobasses exist, mostly in museums. The Montreal Symphony Orchestra uniquely owns one and occasionally incorporates it into their performances.

(www.atlasobscura.com)

Misc instrument octobass

Turo Car-Sharing App Implicated in Las Vegas Explosion and New Orleans Attack

2025-01-02

Turo Car-Sharing App Implicated in Las Vegas Explosion and New Orleans Attack

A Tesla Cybertruck rented through the Turo car-sharing app exploded in Las Vegas, killing one and injuring seven. Separately, a pickup truck rented via Turo was used in a deadly attack in New Orleans, resulting in 15 fatalities. President Biden ordered an investigation into a possible connection between the two incidents. Turo stated it's cooperating with law enforcement but hasn't found a link and admits it cannot fully verify all renter identities. The events raise serious questions about Turo's safety protocols and background checks, highlighting inherent risks in the sharing economy.

(www.businessinsider.com)

Tech Cybertruck explosion New Orleans attack

iPhone Agent: Control Your iOS Device with GPT-4.1

2025-06-02

iPhone Agent: Control Your iOS Device with GPT-4.1

PhoneAgent is an iOS app leveraging OpenAI's GPT-4.1 model to control your iPhone across multiple apps. By accessing the accessibility tree, it can perform tasks like sending messages, downloading apps, and making calls. It uses Xcode's UI testing framework, requiring no jailbreak, but is experimental and has known limitations, such as handling long-running tasks and animations. The app sends app content to the OpenAI API and communicates with UI tests via a TCP server.

(github.com)

Development

Windows 11 Poised to Surpass Windows 10 This Summer: Enterprise Upgrades Drive the Shift

2025-04-04

Windows 11 Poised to Surpass Windows 10 This Summer: Enterprise Upgrades Drive the Shift

Statcounter data reveals Windows 11's market share is rapidly growing, on track to overtake Windows 10 by summer. While Windows 10 still holds a 54.2% share, Windows 11 has reached 42.69%. The primary driver is enterprise upgrades spurred by the impending October 14, 2025, end of support for most Windows 10 versions. Despite a lack of compelling new features in Windows 11, the looming deadline is forcing the migration. This mirrors the challenge faced by AI PCs, where a lack of killer apps hinders upgrades, regardless of Microsoft's Copilot promotion.

(www.theregister.com)

Tech

Embedding Lua in Rust for Configurable Static SQL Analysis in sqleibniz

2024-12-19

sqleibniz, a static SQL analysis tool for the SQLite dialect, has been enhanced with Lua scripting for increased configurability and extensibility. The author details the integration using the mlua crate in Rust, covering data structure conversion, Lua function calls, and error handling. Lua scripts allow users to define custom rules and hooks, enabling flexible static analysis such as customized diagnostics and style checks. This significantly improves sqleibniz's extensibility and user experience.

(xnacly.me)

Development Static Analysis

Spaceport America: Beyond Virgin Galactic

2025-05-11

Spaceport America: Beyond Virgin Galactic

Spaceport America in New Mexico is striving to transcend its association with Virgin Galactic, showcasing its potential as a versatile commercial space launch complex. Beyond its existing tenants like Virgin Galactic, it's actively expanding, including building new hangars, developing vertical and horizontal launch capabilities, and exploring new ventures such as data centers and electromagnetic pulse facilities. The spaceport aims to become a comprehensive launch and re-entry center, attracting clients like the Department of Defense. Its inland location offers advantages in security and rapid turnaround times.

(www.space.com)

Tech New Mexico

On Tyranny: A Graphic Guide to Resisting Authoritarianism

2025-03-28

On Tyranny: A Graphic Guide to Resisting Authoritarianism

A graphic edition of Timothy Snyder's bestselling 'On Tyranny' has been released, bringing his twenty lessons on resisting modern authoritarianism to life. Illustrated by Nora Krug, the book uses historical examples from Nazism and Communism to illuminate crucial points such as the dangers of misused symbols, the importance of independent research, and the need for precise language. This visually striking edition serves as a powerful call to action, urging readers to actively participate in the fight against authoritarianism.

(timothysnyder.org)

Misc resistance graphic novel

Algebraic Effects: The Future of Programming Languages?

2025-05-24

Algebraic Effects: The Future of Programming Languages?

This article delves into the use of algebraic effects (effect handlers) in programming languages. Algebraic effects are a powerful mechanism that allows for implementing various language features such as exceptions, generators, and asynchronous operations as libraries, enhancing code composability. Using examples in Ante, the article demonstrates how algebraic effects can implement exception handling, generators, and coroutines, and how they can be leveraged for dependency injection, cleaner API design, and replacing global variables. Furthermore, algebraic effects can improve code purity, enhance replayability, and boost security. While efficiency concerns exist, advancements in compilation techniques suggest algebraic effects are poised to become a core feature in future programming languages.

(antelang.org)

Development algebraic effects

Google Earth AI: Tackling Global Challenges with AI

2025-07-31

Google Earth AI: Tackling Global Challenges with AI

Google unveils Google Earth AI, a collection of geospatial models and datasets designed to help individuals, businesses, and organizations address the planet's most critical challenges. AlphaEarth Foundations, also announced today, is a component of Google Earth AI. Building on recent Geospatial Reasoning efforts, Google Earth AI includes models for detailed weather prediction, flood forecasting, and wildfire detection. Other models improve urban planning and public health by providing insights into imagery, population dynamics, and urban mobility. These models power features used by millions, such as flood and wildfire alerts in Search and Maps, and provide actionable insights through Google Earth, Google Maps Platform, and Google Cloud. Google is committed to continuing this work, providing the information needed to solve some of the biggest challenges of our time.

(blog.google)

AI

Judge Sidesteps Google's AI Monopoly in Antitrust Case

2025-09-03

Judge Sidesteps Google's AI Monopoly in Antitrust Case

While Judge Amit Mehta's ruling partially blocks some of Google's anti-competitive practices, it fails to address the company's dominance in generative AI. The decision relies on speculative arguments about the future of AI, overlooking Google's existing monopolies and distribution advantages. Search is a key gateway to future AI interactions, and the judge's leniency allows Google to continue shaping the internet and economy, rather than enforcing laws designed for fair competition and fostering innovation.

(www.theverge.com)

Tech

Paradigm: Hiring Founding Engineers for AI-Native Workspace

2025-04-08

Paradigm: Hiring Founding Engineers for AI-Native Workspace

Paradigm, a San Francisco-based AI-native workspace startup backed by Y Combinator and prominent tech founders, is seeking experienced generalist founding engineers. Ideal candidates possess experience building production AI applications, thrive in fast-paced environments, and ideally have experience with GoLang, TypeScript, and related technologies. Competitive salaries and benefits, including equity, are offered.

(www.ycombinator.com)

Development Founding Engineers

Rails 8: Surprisingly Great for Solo Projects

2025-01-01

After building and deploying a new Rails 8 application, it's clear: Rails is awesome, especially for small, single-developer projects. The new Getting Started guide is excellent, leading you from zero to a production-ready app with authentication, caching, rich text, CI, and a database – all without much hassle. Rails 8 simplifies database setup, making SQLite production-ready. Built-in CI config and free Github Actions minutes make continuous integration a breeze. A new, easy-to-use authentication generator and streamlined deployment further enhance the experience. Rails 8 makes development efficient and accessible, even for solo developers.

(literallythevoid.com)

Development

ADHD Body Doubling: A Surprisingly Effective Productivity Hack

2025-04-06

ADHD Body Doubling: A Surprisingly Effective Productivity Hack

This article explores 'ADHD body doubling,' a productivity technique where someone with ADHD works alongside another person – the 'body double' – to improve focus and task completion. A retired VP, David, struggling with everyday tasks despite organizational skills, discovered the unexpected effectiveness of having his wife nearby. The presence, not the advice, of the body double acts as an anchor, combating distractions. While the scientific mechanism is unclear, the article proposes several theories, including social pressure, mirror neuron effects, and energy balance, along with benefits and tips for finding the right body double.

(add.org)

Development

Amiga OS Architecture: Lessons from a Legacy System

2025-06-01

This article delves into the Amiga OS API and ABI, focusing on its unique direct-call shared library approach, eliminating runtime linking. This is achieved by calling a table of branch instructions at a known location within the library. Exec.library, always at the same address, provides functions to get the addresses of other libraries' tables. This ABI is language-agnostic and functions even with modern memory protection. Amiga OS is further praised for its efficient kernel, messaging system, and Intuition windowing system, which enables asynchronous event handling, avoiding the program freezes common in modern systems. The design principles of Amiga OS remain relevant today.

(asm-basic-coder.neocities.org)

Development

Kaspersky Network Allegedly Provides Transit for Notorious 'Bulletproof' Host

2025-03-04

KrebsOnSecurity reports that Prospero OOO, a notorious provider of 'bulletproof' web hosting for cybercriminals, has begun routing its operations through networks run by Kaspersky Lab, the Russian antivirus and security firm. Prospero OOO has long been a source of malware, botnet controllers, and phishing websites. Security experts express concern that Kaspersky's provision of network services, even if denied by Kaspersky, exacerbates worries about facilitating cybercrime. The use of Kaspersky's network as a transit point raises questions about its security practices, especially considering the US government's previous ban on Kaspersky software for federal agencies.

(krebsonsecurity.com)

Tech

Real-time Neuroplasticity: Giving Pre-trained LLMs Real-time Learning

2025-04-08

Real-time Neuroplasticity: Giving Pre-trained LLMs Real-time Learning

This experimental technique, called "Neural Graffiti," uses a plug-in called the "Spray Layer" to inject memory traces directly into the final inference stage of pre-trained large language models (LLMs) without fine-tuning or retraining. Mimicking the neuroplasticity of the brain, it subtly alters the model's "thinking" by modifying vector embeddings, influencing its generative token predictions. Through interaction, the model gradually learns and evolves. While not forcing specific word outputs, it biases the model towards associated concepts with repeated interaction. The aim is to give AI models more proactive behavior, focused personality, and enhanced curiosity, ultimately helping them achieve a form of self-awareness at the neuron level.

(github.com)

AI

WhatsApp's Private Processing: AI with End-to-End Privacy

2025-05-02

WhatsApp's Private Processing: AI with End-to-End Privacy

WhatsApp unveils Private Processing, an optional feature enabling AI processing of messages within a secure, confidential environment. Leveraging Trusted Execution Environments (TEEs), this technology allows users to request AI-powered features like message summarization without Meta or WhatsApp accessing their data. Built on principles of optionality, transparency, and user control, Private Processing employs robust security measures including confidential processing, verifiable transparency, and non-targetability. WhatsApp is publishing components of Private Processing and expanding its bug bounty program to foster independent security research, ensuring user privacy remains paramount.

(engineering.fb.com)

Development

Schizophrenia's Evolutionary Enigma: The Cliff Edge Fitness Model

2025-06-29

Schizophrenia's Evolutionary Enigma: The Cliff Edge Fitness Model

The genetic basis and high prevalence of schizophrenia have long been a puzzle in evolutionary biology. Traditional theories struggle to explain its persistence. This post introduces the "cliff edge fitness model," which proposes that certain cognitive and social traits enhance fitness up to a threshold, beyond which they lead to severe disorders like schizophrenia. This model explains the observation of both positive and negative selection on schizophrenia-related genes and predicts a complex relationship between polygenic risk scores and reproductive success. Research suggests that while schizophrenia itself is detrimental, its associated genes may have conferred other benefits during evolution, such as enhanced cognitive abilities. The model highlights that evolution optimizes for gene transmission, not individual health, explaining why some diseases persist with high heritability and prevalence.

(www.psychiatrymargins.com)

AI evolutionary medicine schizophrenia cliff edge model

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