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Goodbye Scattered Cron Jobs: Heartbeat's Centralized Task Scheduler

2025-08-01
Goodbye Scattered Cron Jobs: Heartbeat's Centralized Task Scheduler

Heartbeat previously used multiple Cron Jobs to manage scheduled tasks, resulting in high maintenance costs and frequent errors. This article describes how they built a centralized, database-driven task scheduler using a single `ScheduledTasks` database table and a single Cron Job to manage all scheduled tasks. Leveraging AWS SQS for asynchronous processing, the system ensures reliable task execution, retry mechanisms, and robust monitoring. This approach addresses issues like task management chaos, difficult error handling, and simplifies the addition of new scheduled tasks.

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(mayhul.com)
Development task scheduling

Kilo Code: Building an AI Code Generator with a Blazing-Fast Community

2025-03-26
Kilo Code: Building an AI Code Generator with a Blazing-Fast Community

In just two weeks, the Kilo Code team assembled a team of ten and built an AI code generation tool based on open-source projects like Roo Code and Cline. They embrace rapid iteration and actively seek user feedback, offering a free tier and rewards. Kilo Code aims to create the most user-friendly AI coding agent, covering a range of functionalities from small projects to advanced use cases, including instant app generation, automated doc updates, and team collaboration.

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(blog.kilocode.ai)
Development AI code generation rapid iteration

Apple's Liquid Glass: Gorgeous Tech Debt?

2025-09-04

Apple's new "Liquid Glass" design language is visually stunning, with its fluid animations and translucent effects. However, this beauty comes at a cost. The author draws parallels to Windows Vista's Aero, arguing that while it performs flawlessly on powerful hardware like the M4 chip, it could lead to performance issues on less powerful devices. Concerns are raised about potential impacts on battery life, thermals, and future compatibility. The conclusion suggests that while visually appealing, Liquid Glass might represent expensive tech debt.

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(idiallo.com)
Tech

David Lynch, Visionary Director of 'Twin Peaks' and 'Blue Velvet,' Dies at 78

2025-01-16
David Lynch, Visionary Director of 'Twin Peaks' and 'Blue Velvet,' Dies at 78

Acclaimed director David Lynch, known for his dark, surrealist style in films like 'Blue Velvet' and 'Mulholland Drive,' and the television series 'Twin Peaks,' has passed away at age 78. Lynch's films blended horror, film noir, mystery, and European surrealism, creating a unique narrative style. A recipient of an honorary Oscar, his work profoundly impacted cinema and television.

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(variety.com)
Film Twin Peaks Blue Velvet

Crafting Stunning Post-Processing Effects with Shaders

2025-02-09
Crafting Stunning Post-Processing Effects with Shaders

This article details the author's 2024 journey learning shader techniques and applying them to post-processing. Inspired by artists like @samdape and @hahajohnx, they created intricate pixel patterns, trompe l'oeil effects, and interactive post-processing. The article dives deep into the techniques behind pixelation, creating patterns using SDFs and threshold matrices, and achieving effects like LED panels, woven fabric, Lego bricks, and frosted glass. Code snippets and demos are provided.

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(blog.maximeheckel.com)
Design shaders pixel art

Smartphone Fast Charging: A Deep Dive into Technologies and Standards

2025-04-22

This article delves into the world of smartphone fast charging, comparing various technologies and standards. From the benefits of slow charging to the intricacies of USB PD, Qualcomm Quick Charge, VOOC, SuperVOOC, and others, it explores the trade-offs between speed and battery health. The article highlights inconsistencies in advertised power ratings, the incompatibility of different fast-charging protocols, and the significant heat generation associated with high-wattage charging. Wireless charging technologies like Qi, MagSafe, and Qi2 are also examined, emphasizing their lower efficiency and heat generation compared to wired charging. The article concludes with recommendations for safe and effective charging practices to maximize battery lifespan.

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(eb43.github.io)
Hardware smartphone charging

US House Proposes New Fees on EVs and Hybrids

2025-05-01
US House Proposes New Fees on EVs and Hybrids

The House Transportation and Infrastructure Committee is proposing new annual fees for electric vehicles ($200) and hybrids ($100) as part of a budget bill. This Republican-backed measure aims to bolster the highway trust fund, but critics worry it will stifle EV adoption. While commercial and farm vehicles are exempt, the revenue generated is expected to be a small fraction of the federal budget, and the fees will increase annually with inflation until 2035. The move is part of a broader Republican effort, described as a 'war against science and the environment'.

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(arstechnica.com)
Tech taxation

Automating Releases with Claude Code

2025-05-26
Automating Releases with Claude Code

Molin uses Anthropic's Claude Code to automate its 1-3 times/week software release process. Claude Code handles creating PRs, checking diffs, deploying the backend, and publishing JS bundles. Instructions in a `.claude/release.md` file guide Claude Code to check for existing release PRs, create new ones, check merge status and CI checks, merge the PR, and finally deploy to production. This significantly improves efficiency and reduces manual work.

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(www.aluxian.com)
Development software releases

Mercedes-Benz Road Tests Semi-Solid-State Batteries, Achieving 620+ Mile Range

2025-03-13
Mercedes-Benz Road Tests Semi-Solid-State Batteries, Achieving 620+ Mile Range

Mercedes-Benz and Factorial Energy are road-testing semi-solid-state batteries in the EQS electric sedan. These batteries, featuring a gel or liquid-infused solid electrolyte, boast an energy density of 391 Wh/kg, enabling a range exceeding 620 miles – a 25% increase over comparable traditional lithium-ion batteries. Crucially, the technology is compatible with existing production lines, making large-scale adoption feasible. With a projected showroom debut by 2030, this innovation promises to revolutionize electric vehicles and other applications.

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(spectrum.ieee.org)
Tech electric vehicle Mercedes-Benz

NSDI '24: Autothrottle: A Practical Bi-Level Approach to Resource Management for SLO-Targeted Microservices

2025-02-03

USENIX is committed to Open Access, making research from its events freely available. Papers, proceedings, and any subsequent video/audio/slides are open to all after the event. This includes the NSDI '24 paper, "Autothrottle: A Practical Bi-Level Approach to Resource Management for SLO-Targeted Microservices," by Wang et al., presenting a practical approach to managing resources for SLO-targeted microservices. The paper, video, and slides are now publicly accessible.

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(www.usenix.org)
Development

Remastering Old Demos with AI: Surprises and Shortcomings

2025-07-15

The author used Suno AI to reimagine their old demo songs, with surprisingly good results. The AI effectively captured song structure, lyrics, and instrumental parts, adapting them to chosen genres. While not a perfect recreation, the AI-generated versions retained the original mood and even improved on certain aspects, like the ending of "Hold on to the boy." However, the AI struggled with polyphonic melodies, resulting in muddy mixes, and the generated songs still require human refinement before release. Overall, Suno AI offers exciting possibilities for music creation but necessitates post-processing.

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(app.mindthis.io)
Game

The Strangest Microwave Purchase Ever: A Trip to GO12

2025-09-08
The Strangest Microwave Purchase Ever: A Trip to GO12

SoraNews24 reporter Mr. Sato embarked on a mission to buy a new office microwave, but chose the unusual route of GO12, a 24/7 unmanned electronics store in Kamata, Tokyo. This store stocks used appliances, offering a self-service shopping experience via a tablet payment system. Mr. Sato purchased a 5,000 yen microwave, enjoying a smooth transaction, yet feeling a strange sense of guilt. GO12's trust-based system and unique shopping experience, while convenient, spark reflections on social trust and human nature.

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(soranews24.com)
Misc unmanned store shopping experience

Why Array Indices Should Start at Zero

2025-03-21

This essay argues why array indices in computer science should begin at zero, not one. Through mathematical reasoning and examples from programming languages, the author demonstrates the superiority of zero-based indexing: it's more mathematically consistent, avoids ambiguous boundary conditions, and leads to cleaner, more efficient code. The piece also touches upon historical inconsistencies in programming language index choices and their resulting inconveniences.

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(www.cs.utexas.edu)
Development indexing arrays

Nuanced: Giving LLMs Precise Call Graph Context for AI Coding Assistants

2025-03-12
Nuanced: Giving LLMs Precise Call Graph Context for AI Coding Assistants

Nuanced is an open-source Python library that provides LLMs with precise call graph context by analyzing function relationships and generating a structured representation of code dependencies. It addresses the limitations of current AI coding assistants, which lack understanding of code structure and rely on limited context windows and embeddings. Nuanced leverages static analysis to build a traversable graph of function relationships, offering `init` (to generate the call graph) and `enrich` (to query specific functions) commands. This allows AI tools to access the same structured program understanding developers rely on, improving code comprehension and efficiency. Future development will include function purity analysis, code complexity metrics, and more.

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(www.nuanced.dev)
Development code analysis

typed-arrow: Zero-Runtime-Overhead Arrow Schemas in Rust

2025-08-20
typed-arrow: Zero-Runtime-Overhead Arrow Schemas in Rust

typed-arrow is a Rust library providing a strongly typed, fully compile-time way to declare Arrow schemas. It maps Rust types directly to arrow-rs typed builders/arrays and arrow_schema::DataType, eliminating runtime DataType switching. This results in zero runtime overhead, monomorphized column construction, and ergonomic ORM-like APIs. The library supports a wide range of data types, including nested structs, lists, dictionaries, and timestamps, offering flexible building methods for efficient and safe Arrow data manipulation.

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(github.com)
Development

Apple Updates App Store Policies to Comply with the Digital Markets Act

2025-06-27
Apple Updates App Store Policies to Comply with the Digital Markets Act

Apple has updated its App Store policies in compliance with the European Union's Digital Markets Act. Developers in the EU can now promote their digital goods and services to alternative platforms (websites, app stores, or in-app web views). This change introduces new fees: an initial acquisition fee, a store services fee, and a Core Technology Commission (CTC). Apple plans to transition from the Core Technology Fee (CTF) to the CTC for digital goods and services by January 1, 2026, across all distribution channels. Furthermore, Apple is updating the iOS and iPadOS user experience to facilitate the installation of apps from developers' websites or alternative app marketplaces.

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(developer.apple.com)
Tech

What Happens If You Make a Planet Out of Fish?

2024-12-29

This scientific article explores a whimsical thought experiment: what would happen if you created a planet entirely out of fish? Using principles of physics, the author meticulously traces the process. From the expansion of fish in a vacuum, their collision and aggregation into asteroids, to the eventual formation of an Earth-like planet named "Rockfish" with a diamond core, a metallic mantle, and vast oceans, and even a star "Starfish" and a black hole "Blackfish", the article is full of fun and explores the possibility of life's emergence, showcasing the charm of physics in exploring absurd scenarios.

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(james-simon.github.io)
Misc planet formation scientific thought experiment

Calculating Credit Card Debt with Code: Is Math Essential for Programmers?

2025-08-24
Calculating Credit Card Debt with Code: Is Math Essential for Programmers?

This article explores whether math is essential background knowledge for programmers. By building an Elixir program simulating credit card repayment, the author demonstrates how simple formulas and programming can solve real-world problems, such as calculating compound interest and repayment schedules. The program's simulation shows that slightly increasing the minimum payment percentage or adding a small extra monthly payment significantly reduces repayment time and saves substantial money, highlighting the importance of understanding compound interest and financial planning. Even without advanced math, practical application is shown.

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(programmersstone.blog)
Development

Tesla Denies Remotely Disabling Cybertruck: Viral Video Debunked

2025-08-12
Tesla Denies Remotely Disabling Cybertruck: Viral Video Debunked

A viral video surfaced showing a Cybertruck seemingly deactivated on a highway, with the owner claiming Tesla remotely disabled it due to its appearance in an unauthorized music video. The video included a flashing red warning message on the truck's screen and a purported cease-and-desist letter. However, Tesla swiftly debunked the video, stating it's fake. They pointed out discrepancies: the warning message doesn't match Tesla's standard format, and the letter contains errors such as an outdated job title. Despite this, the video spread rapidly across BlueSky, X, and Reddit, reinforcing pre-existing negative opinions about Tesla and Elon Musk.

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(www.theverge.com)
Tech Fake Video

What if OpenDocument Used SQLite?

2025-09-05

This article explores a thought experiment: what if the OpenDocument file format, specifically ODP (OpenDocument Presentation), were built around SQLite? The author argues this would yield significant advantages, including smaller file sizes, faster file saving and startup times, reduced memory usage, built-in versioning, and an improved user experience. The limitations of the current ZIP-based approach are detailed, such as difficulties with incremental updates, slow startup, high memory consumption, crash recovery issues, and limited content accessibility. The author proposes replacing ZIP with SQLite and further suggests splitting content into smaller units within database tables for incremental updates and faster startup. Version control via SQLite is also discussed, allowing for the retention of historical versions and simplifying crash recovery. In essence, the article posits that using SQLite as an application file format can dramatically enhance user experience and performance for applications like OpenOffice.

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(www.sqlite.org)
Development File Format

20-Year-Old Washing Machine Bites the Dust: A Warranty Registration Odyssey

2025-09-03
20-Year-Old Washing Machine Bites the Dust: A Warranty Registration Odyssey

The author's 20-year-old washing machine broke down, necessitating warranty registration. However, the manufacturer's phone-based registration proved incredibly inefficient, and the SMS-provided link led to a broken website. Ultimately, the author found a working webpage through a search engine, successfully registering the warranty and marveling at the convenience of AI image recognition. This prompted reflections on business service models: In 2025, why isn't simple online registration the default?

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(blog.tomayac.com)
Misc

CPython's Performance Boost: A Tale of Unexpected Twists and LLVM Regressions

2025-03-10

A recent CPython merge introduced a new bytecode interpreter implementation, initially showing impressive 10-15% performance gains across various benchmarks. However, this improvement stemmed from inadvertently circumventing an LLVM 19 regression. When benchmarked against a better baseline (like GCC or tuned LLVM 19), the actual performance boost shrinks to a mere 1-5%. Weeks of compiling, benchmarking, and disassembling revealed that LLVM 19's limitations on tail-call duplication caused the regression. While the tail-call interpreter is a valuable improvement, this incident highlights challenges in benchmarking, performance engineering, and software engineering, such as the difficulty in choosing baselines and understanding the complexities of compiler optimizations.

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(blog.nelhage.com)
Development

AI Reveals 70-Year Trend of Increasing Violence in Hollywood Movies

2025-02-07
AI Reveals 70-Year Trend of Increasing Violence in Hollywood Movies

Researchers at the University of New South Wales used large language models (LLMs) to analyze the dialogue of 1026 Hollywood movies from 1950 to 2024, revealing a gradual increase in violent and abusive content over time. The study included Oscar-nominated films and top 10 blockbusters each year, categorized into action, comedy, drama, and thriller genres. Thrillers showed the highest frequency of abusive content, yet positive emotions like humor and optimism remained prevalent. Over the last two decades, Oscar-nominated movies surpassed top blockbusters in abusive content. This research offers new insights into the social factors influencing changes in movie dialogue and their implications.

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(phys.org)
Tech Movies Violence

Catgrad: A Category-Theoretic Deep Learning Compiler

2025-02-05

Catgrad is a deep learning framework that leverages category theory to statically compile models into their forward and backward passes. This allows your training loop to run without needing any deep learning framework (not even catgrad itself!). Built upon research papers exploring categorical approaches to deep learning, it enables features like data-parallel algorithms and differentiable polynomial circuits. Installation is straightforward via `pip install catgrad`.

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(catgrad.com)
Development

Netflix Anime Dominates Global Streaming: Over 1 Billion Views in 2024

2025-07-08
Netflix Anime Dominates Global Streaming: Over 1 Billion Views in 2024

Netflix revealed its anime strategy's massive success at Anime Expo. Over 1 billion views globally in 2024, with over 50% of its members (estimated 300 million viewers) watching anime. Viewership tripled in five years, with 33 anime titles in Netflix's Global Top 10 (Non-English) in 2024. To meet demand, Netflix now offers dubs and subtitles in up to 33 languages. Upcoming titles include the action-packed "Sakamoto Days," the highly anticipated "Cyberpunk: Edgerunners 2," the cute "My Melody & Kuromi," and more, showcasing a diverse range of genres solidifying Netflix's anime dominance.

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(www.hollywoodreporter.com)
Game Global Streaming

Bosch Unveils World's Smallest PM2.5 Sensor: BMV080 for Improved Indoor Air Quality

2025-07-27
Bosch Unveils World's Smallest PM2.5 Sensor: BMV080 for Improved Indoor Air Quality

Bosch Sensortec launched the world's smallest PM2.5 air quality sensor, the BMV080, at CES. This innovative, fanless sensor provides accurate, real-time data on indoor PM2.5 levels, crucial for addressing the often-overlooked issue of indoor air pollution, which is frequently three to five times more polluted than outdoors. The BMV080 allows users to identify and react to poor air quality, particularly from sources like cooking, which can dramatically increase PM2.5 levels in poorly ventilated spaces.

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(www.bosch-sensortec.com)
Hardware PM2.5 sensor indoor air quality

Giant Invisible Molecular Cloud Discovered Near Earth

2025-05-02
Giant Invisible Molecular Cloud Discovered Near Earth

Astronomers have unexpectedly discovered a massive molecular cloud named Eos, located just 300 light-years from Earth. Measuring roughly 40 times the width of the moon and weighing about 3,400 times the mass of the sun, Eos remained hidden until now because it lacks sufficient carbon monoxide to emit the characteristic signature detected by conventional methods. Researchers detected Eos using far-ultraviolet light emitted by hydrogen molecules, observed by the FIMS-SPEAR spectrograph on the Korean STSAT-1 satellite. Eos' proximity offers a unique opportunity to study star and planet formation.

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(edition.cnn.com)
Tech molecular cloud star formation

Meta AI's COCONUT: Enhancing LLM Reasoning with Chain of Continuous Thought

2024-12-31
Meta AI's COCONUT: Enhancing LLM Reasoning with Chain of Continuous Thought

Meta AI introduces COCONUT (Chain of Continuous Thought), a novel method to improve the reasoning capabilities of Large Language Models (LLMs). Unlike traditional text-based Chain-of-Thought (CoT), COCONUT enables LLMs to reason in a continuous latent space, bypassing limitations of verbal expression. Research shows COCONUT excels in tasks requiring complex planning, exhibiting a Breadth-First Search (BFS)-like reasoning pattern. Its multi-stage training gradually guides the model to reason in latent space, ultimately boosting accuracy and efficiency.

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(aipapersacademy.com)
AI Reasoning Continuous Latent Space

Goodbye Tedious `systemctl` Commands: fzf-Powered Shell Aliases and Functions

2025-09-15
Goodbye Tedious `systemctl` Commands: fzf-Powered Shell Aliases and Functions

Tired of typing lengthy `systemctl` commands? This post introduces a set of fzf-powered shell aliases and functions for efficient systemd service management. Leveraging fzf's fuzzy-finding capabilities, it simplifies `systemctl` and `journalctl` into short, memorable commands, automatically handles errors and logs, significantly boosting efficiency, especially on resource-constrained devices.

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(silverrainz.me)
Development
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