UIT: A Modular, Low-Memory File Processing Library for the Cloud

2025-04-25
UIT: A Modular, Low-Memory File Processing Library for the Cloud

UIT is a library designed for performant, modular, and low-memory file processing at scale in the cloud. It uses a four-step process: ingest, filter/transform, merge, and output. Built upon streaming and parallelization, UIT can run efficiently in low-memory environments like Cloudflare Workers. Its modular design allows for composability and the addition of custom modules. Current modules handle tasks like ZIP file ingestion, data merging, format conversion, and searching. UIT aims to become a standard for cloud-based file processing, empowering developers with a powerful and extensible tool.

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Development file processing modular

23-Year-Old Extradited to US, Allegedly Part of Notorious Cybercrime Group

2025-05-01

Tyler Robert Buchanan, a 23-year-old Scottish man believed to be a member of the prolific Scattered Spider cybercrime group, was extradited from Spain to the US last week. He faces charges of wire fraud, conspiracy, and identity theft, accused of involvement in attacks that stole over $26 million. The group used SMS phishing and SIM swapping to target numerous companies, including Twilio and LastPass in 2022. Buchanan was arrested in Spain in June 2024 after fleeing the UK following threats from a rival gang. Seized devices revealed evidence linking him to the crimes. He's currently held without bail, awaiting trial and facing significant prison time.

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Tech

CosAE: A Novel Autoencoder for Super-Resolution Image Restoration using Fourier Series

2025-04-26

Researchers introduce CosAE, a novel autoencoder seamlessly integrating classic Fourier series with a feed-forward neural network. CosAE represents input images as 2D cosine time series, each defined by learnable frequency and Fourier coefficients. Unlike conventional autoencoders that lose detail in low-resolution bottlenecks, CosAE encodes frequency coefficients (amplitudes and phases) enabling extreme spatial compression (e.g., 64x downsampled feature maps) without detail loss upon decoding. Experiments on super-resolution and blind image restoration demonstrate state-of-the-art performance, highlighting CosAE's ability to learn a generalizable representation for image restoration.

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Founding Engineer: Build the AI-Powered Data Systems at PropRise

2025-02-07
Founding Engineer: Build the AI-Powered Data Systems at PropRise

PropRise, a rapidly growing real estate data platform, is seeking a senior Founding Engineer to design and build its core data architecture. You'll work with a tech stack including TypeScript, Next.js, React, Postgres, and GCP, handling millions of property records. Responsibilities include building robust data pipelines, quality assurance systems leveraging AI, and internal tools for faster outlier detection. This is a ground-up opportunity reporting directly to the CTO with significant equity, ideal for engineers passionate about solving complex problems, excited by the intersection of AI and data quality, and eager to play a key role in a fast-growing startup.

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Development Data Engineering

Compiler Explorer: The Promise of URLs That Last Forever

2025-05-28

Compiler Explorer's URLs have evolved from encoding compiler states directly in URLs to using goo.gl short links, and finally to a self-built storage solution. With goo.gl sunsetting in August 2025, the author is rescuing old goo.gl-based links, recovering over 12,000 so far. This post highlights the author's commitment to 'URLs that last forever' and reflects on the reliance on third-party services.

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Development URLs Links

Engineer's $2.50/Day Efficient Eating Experiment

2025-01-06

An engineer documented a 46-day experiment where he aimed to spend less than $2.50 a day on food. The blog details his daily meals, costs, culinary science, and the fun of the challenge. From tomato soup and grilled cheese to homemade cabbage rolls, salmon, pork tacos, ramen, potato pea soup, and fried chicken, he showcased impressive cooking skills and a passion for food. He shared recipes, techniques, and emphasized planning, thriftiness, and waste reduction. The experiment successfully demonstrated that delicious and healthy eating is achievable on a very limited budget.

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Faster Go Interpreters: Closing the Gap with C++

2025-04-05
Faster Go Interpreters: Closing the Gap with C++

Vitess, the open-source database powering PlanetScale, initially used an AST-based interpreter for its SQL engine. Over the past year, this has been replaced with a Go-based virtual machine that performs comparably to MySQL's native C++ code, while being significantly easier to maintain. The VM achieves remarkable speed improvements—up to 20x faster in some cases—through static type checking and clever instruction dispatch. This article details the design and implementation, including leveraging Go's closures to simplify the VM and handling SQL's dynamic typing challenges.

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Development

Undecidability: The Programmer's Pandora's Box

2025-05-28
Undecidability: The Programmer's Pandora's Box

This article provides a clear explanation of the concept of "undecidability" in computer science. Using accessible language and concrete examples (like determining if a number is the sum of two primes), the author explains decision problems and the role of Turing machines. The key takeaway is that undecidability doesn't mean it's impossible to tell if a program will halt, but rather that there's no universal algorithm to determine the halting behavior of all programs. This makes many problems (such as verifying program properties) require significant effort and may be unsolvable, highlighting the necessity of fields like formal verification and program analysis.

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Development

Hackathon Project: VR Headset Sees Through Walls

2025-02-23
Hackathon Project: VR Headset Sees Through Walls

At Treehacks 2025, a team built a VR headset capable of "seeing" through walls using only $6 ESP32 microcontrollers and an NVIDIA Jetson Nano. They leveraged WiFi channel state information (CSI) data to train a convolutional neural network (CNN) for human detection behind walls. Despite challenges in data acquisition, real-time processing, and model optimization, they submitted their project two minutes before the deadline and caught the attention of a leading AI lab, securing future collaboration. This technology holds potential for search and rescue applications.

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Tech Hackathon

Terminology 1.14.0 Released: New Translations, Improvements, and Fixes

2025-04-21

Terminology 1.14.0 is out! This release adds Hungarian and Slovak translations, improves translations for multiple languages, and fixes several bugs, including a translucent background on startup and wheel event issues. It also adds the ability to report or set selections via escape codes, and configuration for double-width emoji support. Internal code improvements and a new colorscheme are also included.

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Development software update

DeepSeek's Quiet Genius: Liang Wenfeng

2025-05-14
DeepSeek's Quiet Genius: Liang Wenfeng

Liang Wenfeng, founder of the groundbreaking AI startup DeepSeek, might appear shy, but his quiet demeanor masks a sharp mind. He empowers young researchers, engaging deeply in technical discussions and pushing for innovation. His meticulous approach and deep understanding of AI systems have propelled DeepSeek to significant achievements in the field.

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AI

Planet Nine Candidate Spotted in Infrared Surveys

2025-05-03
Planet Nine Candidate Spotted in Infrared Surveys

A new study has identified a potential candidate for the elusive Planet Nine in two deep infrared surveys conducted 23 years apart. If this object is indeed Planet Nine, it would be more massive than Neptune and orbit at a distance 700 times farther from the Sun than Earth. The team used data from the IRAS and AKARI satellites, searching for objects exhibiting minute positional shifts over time. While further observations are needed for confirmation, this discovery reignites the hunt for Planet Nine and raises intriguing questions about its origin and orbital dynamics.

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The Thermocline of Truth in IT Projects

2025-09-02

This article explores the 'thermocline of truth' phenomenon in large IT projects: a barrier to accurate information within the organizational structure, where lower-level employees know the real progress while upper management holds an overly optimistic view. This stems from a lack of objective metrics, engineers' optimism, managers' reluctance to deliver bad news, and upper management rewarding good news and punishing bad news. The author uses personal anecdotes and real-world examples to illustrate this, emphasizing that breaking the 'thermocline' requires honesty from below, rewarding honesty from above, and avoiding unrealistic project timelines.

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Development

California Overtakes Japan as World's 4th Largest Economy, But Trump Tariffs Pose Threat

2025-04-25
California Overtakes Japan as World's 4th Largest Economy, But Trump Tariffs Pose Threat

California Governor Gavin Newsom announced that California's GDP reached $4.1 trillion in 2024, surpassing Japan to become the world's fourth-largest economy. However, he warned that President Trump's tariff policies threaten the tech powerhouse's rapid growth. California's economy outpaced the US, China, and Germany, growing 6% last year. Newsom credits California's prosperity to investments in its people, a focus on sustainability, and a belief in innovation. But he expressed concern over the Trump administration's tariffs, arguing they harm Californian families and businesses. A lawsuit has been filed, accusing Trump of abusing emergency powers to illegally impose tariffs.

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AI Debugging Falls Short: Microsoft Study Reveals Limits of Code Generation Models

2025-04-11
AI Debugging Falls Short: Microsoft Study Reveals Limits of Code Generation Models

Microsoft research reveals that even models from top AI labs like OpenAI and Anthropic struggle to debug software bugs as effectively as experienced developers. A study testing nine models showed that even with debugging tools, these models failed to successfully complete more than half of the debugging tasks in the SWE-bench Lite benchmark. The study points to data scarcity as a major factor; the models lack sufficient training data representing human debugging processes. While AI-assisted programming tools show promise, this research highlights the limitations of AI in coding, underscoring that humans remain essential.

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Development Code Debugging

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.

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Home Washing Machines Fail to Disinfect Healthcare Uniforms, Spreading Antibiotic Resistance

2025-04-30
Home Washing Machines Fail to Disinfect Healthcare Uniforms, Spreading Antibiotic Resistance

A new study in PLOS One reveals that many home washing machines fail to effectively remove antibiotic-resistant bacteria from healthcare workers' uniforms, potentially contributing to hospital-acquired infections and antibiotic resistance. Researchers tested six home washing machine models, finding that half failed to disinfect clothing on a rapid cycle, and a third failed to adequately clean on a standard cycle. Potentially pathogenic bacteria and antibiotic resistance genes were also found inside washing machines. The findings suggest a need to revise laundry guidelines for healthcare workers or utilize on-site industrial laundry machines to improve patient safety and control the spread of antibiotic-resistant pathogens.

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Reliving Smalltalk-76: Running the Legend on a Xerox Alto

2025-06-09
Reliving Smalltalk-76: Running the Legend on a Xerox Alto

This blog post details the author's success in running Smalltalk-76 on a vintage Xerox Alto. Smalltalk, a pioneering object-oriented programming language, featured a groundbreaking GUI on the Alto, including the desktop metaphor, icons, scrollbars, and overlapping windows—influencing the design of the Apple Lisa and Macintosh. The article highlights Smalltalk's unique ability to view and modify system code while the system is running, demonstrated by modifying scrollbar code. Despite its slow speed, Smalltalk's implementation on the Alto holds significant historical and technical value, laying the groundwork for modern programming languages and GUI design.

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Tech

CartoKit: Finalizing Procedural Island Generation

2025-09-22
CartoKit: Finalizing Procedural Island Generation

This final installment details how CartoKit bakes generated island data into a compact mesh, visualizes it with an egui viewer, and exports assets for other tools. It features three key components: a baked terrain mesh containing elevation, moisture, biome, and river metadata; a CPU debug renderer and viewer for visualizing the data; and export helpers for GLB, PNG, and GIF output. The entire process is efficient and modular, laying a solid foundation for future extensions.

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Development

GTA San Andreas Skimmer Plane Vanishes: A 20-Year-Old Bug Triggered by Windows 11 24H2

2025-04-23
GTA San Andreas Skimmer Plane Vanishes: A 20-Year-Old Bug Triggered by Windows 11 24H2

A long-standing bug in Grand Theft Auto: San Andreas has resurfaced: the Skimmer plane disappears after upgrading to Windows 11 24H2. Investigation revealed the issue stems from uninitialized variables in the game's code and a change in stack space usage by the `LeaveCriticalSection` function in Windows 11 24H2. This caused the game to unexpectedly rely on undefined behavior for two decades, until the update broke this fragile balance. The author fixed the issue by modifying the game files or using a SilentPatch, exposing a long-standing flaw in the game's code and the unexpected compatibility issues that Windows system updates can introduce.

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US Professors Condemn ICE Abductions of Foreign Students

2025-04-06
US Professors Condemn ICE Abductions of Foreign Students

Professors at multiple US universities released a joint statement condemning the illegal arrests of foreign students and faculty by Immigration and Customs Enforcement (ICE). They describe the arrests as “abductions by ICE cowards” and highlight the silencing of dissent under the current administration. The statement calls for academic resistance against this culture of silence and a fundamental change to the university system that allows such actions.

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Feather: A Lightweight, DX-First Web Framework for Rust

2025-05-04
Feather: A Lightweight, DX-First Web Framework for Rust

Feather is a lightweight web framework for Rust, inspired by the simplicity of Express.js but built for Rust's performance and safety. It features a middleware-first architecture, making route handlers, auth, and logging all composable. Recent versions include a Context API for easy state management. Feather boasts a minimal, ergonomic API, is modular and extensible, and offers great tooling out of the box. Essentially, Feather aims to bring the ease of Express.js to the Rust ecosystem without compromising performance or safety.

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Development

Climate Change Fuels Deadly Fungal Spread: World Unprepared

2025-05-25
Climate Change Fuels Deadly Fungal Spread: World Unprepared

New research predicts a significant expansion of deadly fungi into new regions as the planet warms, leaving the world unprepared. Scientists used computer simulations to map the potential spread of Aspergillus, a common fungus causing life-threatening aspergillosis. The study found certain Aspergillus species will expand their range, moving into new parts of North America, Europe, China, and Russia. Aspergillosis is particularly dangerous for immunocompromised individuals. Climate change not only expands fungal range but may also increase their temperature tolerance, making them more likely to survive within human bodies. Extreme weather events further aid spore dispersal. Experts warn of a need for more research and data to tackle the growing threat of fungal infections.

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Dive into D: A Comprehensive Guide

2025-04-25

This book provides a comprehensive guide to D programming, covering everything from basic syntax to advanced features. With a clear chapter structure, it progressively introduces core D concepts: variables, data types, operators, control flow, functions, classes, object-oriented programming, templates, and concurrency. Numerous code examples and exercises are included to help readers grasp D's programming techniques. Suitable for both beginners and experienced programmers.

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Moneyball's Myth: Beyond the Numbers in Oakland's Success

2025-07-25
Moneyball's Myth: Beyond the Numbers in Oakland's Success

Moneyball popularized the use of sabermetrics in baseball, showcasing how the Oakland A's achieved success despite a limited budget. However, this article critiques the narrative, highlighting that the A's success wasn't solely due to analytics; their existing talented roster played a crucial role. The piece further examines the impact of analytics on baseball, acknowledging both improved efficiency and a decline in entertainment value. Ultimately, the article argues that Moneyball's enduring legacy lies not in its 'cheap wins' strategy, but in its demonstration of analytics' potential in sports.

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Plex Security Incident: Users Urged to Reset Passwords

2025-09-10
Plex Security Incident: Users Urged to Reset Passwords

Plex has announced a security incident where an unauthorized third party accessed a subset of customer data from one of their databases. The compromised data included emails, usernames, securely hashed passwords, and authentication data. While passwords were securely hashed, Plex recommends all users immediately reset their passwords and sign out of all connected devices. Plex emphasizes that they do not store credit card information, so this data was not compromised. This incident highlights the importance of cybersecurity and reminds users to regularly update passwords and enable two-factor authentication for enhanced account security.

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New Bill Aims to Crack Down on Foreign Digital Piracy, Sparking Debate

2025-02-04
New Bill Aims to Crack Down on Foreign Digital Piracy, Sparking Debate

Rep. Zoe Lofgren's introduced the Foreign Anti-Digital Piracy Act (FADPA), aiming to curb foreign-run piracy sites exploiting U.S. legal loopholes. The act mandates site-blocking, requiring ISPs to make a 'good faith effort' to disable access to pirate websites. While backed by industry groups citing billions in economic losses from piracy, the bill has also raised concerns about free speech and internet openness. FADPA attempts to balance intellectual property protection with maintaining a free internet, a delicate dance considering the legacy of past, more heavy-handed legislation like SOPA.

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Tech

Microsoft's Aurora: AI Weather Forecasting Model Outperforms Traditional Methods

2025-05-24
Microsoft's Aurora: AI Weather Forecasting Model Outperforms Traditional Methods

Microsoft has unveiled Aurora, a new AI weather forecasting model trained on massive datasets from satellites, radar, and weather stations. Outperforming traditional methods in speed and accuracy, Aurora successfully predicted Typhoon Doksuri's landfall and the 2022 Iraq sandstorm, even beating the National Hurricane Center in predicting 2022-2023 tropical cyclone tracks. While training requires significant computing power, Aurora's runtime efficiency is remarkably high, generating forecasts within seconds. A simplified version powers hourly forecasts in Microsoft's MSN Weather app, and the source code and model weights are publicly available.

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Reversing Aging: The Astonishing Link Between Psychological and Biological Time

2025-09-21
Reversing Aging: The Astonishing Link Between Psychological and Biological Time

Harvard psychologist Ellen Langer's "counterclockwise study" reveals that aging is not just a biological process, but a narrative one. Our beliefs about aging impact our physical capabilities. In the study, a group of men in their seventies lived as if it were 1959 for five days; afterwards, they showed improvements in hearing, posture, grip strength, and even appeared younger. This isn't magic, but the power of context: change the context, change the possibilities. Our ingrained assumptions about aging may limit our potential, while present moment awareness and mindful flexibility allow us to better navigate aging.

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Evidence of Harm: Why TikTok Should Be Banned

2025-04-17
Evidence of Harm: Why TikTok Should Be Banned

The US Supreme Court will soon decide whether to block a ban on TikTok. This article argues for the ban, citing overwhelming evidence of harm to minors. Compiled from lawsuits filed by 14 state Attorneys General, internal documents reveal TikTok's knowledge of its algorithm's addictive nature, leading to sleep deprivation, academic decline, and worsening mental health in children. The platform is rife with pornography, violence, and drug-related content, with severe child sexual exploitation and harassment, yet TikTok's response is demonstrably inadequate. The authors urge public awareness of TikTok's harm to children and support for its removal.

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