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Effortless Weather Station Data Acquisition with a Raspberry Pi

2025-07-01

The author effortlessly acquired data from an Acurite weather station using a Raspberry Pi and Software Defined Radio (SDR). By installing rtl_433, the Raspberry Pi automatically identified and decoded the weather station's 433MHz wireless signal, displaying temperature, humidity, wind speed, wind direction, rainfall, and lightning information. For better data visualization, the author also installed WeeWX software and configured the weewx-sdr plugin, ultimately creating a local weather data web dashboard. The process involved configuring sensor mapping and adding udev rules to grant the WeeWX user access to the SDR device.

(www.jeffgeerling.com)

Hardware Weather Station Data Acquisition

MySQL Transactions Per Second vs. fsyncs Per Second: Unraveling the Mystery

2025-03-21

This article investigates the discrepancy between the theoretical and actual transaction throughput of MySQL. A benchmark reveals MySQL's write speed is significantly faster than theoretically predicted (based on fsync() latency). Further investigation uncovered that MySQL uses group commit to batch writes to the WAL and binlog, and the file system/disk likely employs similar batching, boosting efficiency. The author also analyzes inverted index performance and explains the gap between theoretical models and real-world performance.

(sirupsen.com)

Development

Record-Breaking Memorial Day Weekend at the Box Office: Lilo & Stitch and Mission: Impossible Dominate

2025-05-26

Record-Breaking Memorial Day Weekend at the Box Office: Lilo & Stitch and Mission: Impossible Dominate

This Memorial Day weekend shattered box office records. Disney's live-action "Lilo & Stitch" remake raked in a massive $145.5 million opening weekend and an estimated $183 million through Monday, setting a new Memorial Day record. Meanwhile, Tom Cruise's "Mission: Impossible – Dead Reckoning Part One" achieved a franchise-best $63 million opening weekend and $77 million through Monday. The combined success of these films, along with other releases like "Final Destination Bloodlines," propelled the overall Memorial Day weekend box office to a record-breaking $322 million, exceeding the previous record set in 2013. This marks a strong start to the summer blockbuster season, providing a significant boost to the movie industry after a disappointing 2022.

(variety.com)

Game summer blockbuster Tom Cruise

UK Unveils Revolutionary Quantum Atomic Clock for Enhanced Military Security

2025-01-02

UK Unveils Revolutionary Quantum Atomic Clock for Enhanced Military Security

The UK's Defence Science and Technology Laboratory (Dstl) has developed a revolutionary quantum atomic clock with unprecedented accuracy, losing less than a second over billions of years. This breakthrough enhances military operations' security by reducing reliance on vulnerable GPS technology. Deployable within five years, the clock is expected to be miniaturized for mass production, with applications in military vehicles and aircraft. Beyond defense, this technology boosts industrial progress, creates high-skilled jobs, and strengthens the UK's global competitiveness in quantum technology.

(www.gov.uk)

Tech Quantum Technology Atomic Clock National Security

Finding Solace in the Buzz: A Writer's Journey Through Grief and Bees

2025-04-13

Finding Solace in the Buzz: A Writer's Journey Through Grief and Bees

This essay recounts the author's journey through grief after the loss of her daughter, finding solace and unexpected wisdom in the world of bees and beekeepers. Following the lives of bees and beekeepers, from a Yemeni legend to scientists studying bee emotions, the author explores the resilience of life, the adaptive nature of grief, and the profound connections between humans and the natural world. The author finds healing and hope in the unwavering tenacity of bees.

(emergencemagazine.org)

Misc grief healing human-nature connection bees

DeepSeek Opensources 5 AGI Repos: A Humble Beginning

2025-02-21

DeepSeek Opensources 5 AGI Repos: A Humble Beginning

DeepSeek AI, a small team pushing the boundaries of AGI, announces it will open-source five repositories over the next week, one per day. These aren't vaporware; they're battle-tested production-ready building blocks of their online service. This open-source initiative aims to foster collaborative progress and accelerate the journey towards AGI. Accompanying this release are two research papers: a 2024 AI Infrastructure paper (SC24) and a paper on Fire-Flyer AI-HPC, a cost-effective software-hardware co-design for deep learning.

(github.com)

AI AI Infrastructure

Pale Blue Dot: Insignificance and Grandeur in the Cosmos

2025-04-28

Pale Blue Dot: Insignificance and Grandeur in the Cosmos

In 1990, Voyager 1 captured the iconic "Pale Blue Dot" image, showcasing Earth's insignificance in the vastness of space. This sparked reflection on humanity's existential meaning, contrasting with the awe-inspiring "Earthrise" photo from Apollo 8 in 1968. "Pale Blue Dot" evokes both wonder and a sense of cosmic insignificance, echoing Pascal's terror of the infinite silent spaces. The article explores the origins of this feeling, examining philosophical perspectives (like Pascal's ideas) and cognitive limitations of human perception. Ultimately, it argues that while Earth appears insignificant on a cosmic scale, the discovery of other conscious life in the universe could redefine its meaning.

(aeon.co)

Misc Perception

Don't Force Math: A Dad's Approach to Nurturing Mathematical Curiosity

2025-04-19

A father shares his method of fostering his son's love for math without forcing it. He believes math should be an enjoyable exploration, not a chore. Through games, storytelling, and everyday examples, he helped his son naturally fall in love with math, resulting in an above-average understanding. The article emphasizes the importance of nurturing a child's intrinsic motivation to learn rather than imposing subjects.

(blog.avocados.ovh)

Misc cultivating interest

Building an Idempotent Email API with River

2025-03-24

This article demonstrates building an idempotent-safe email API using River. Many email services lack APIs guaranteeing idempotency, leading to duplicate or missing emails. By leveraging River's features and combining unique account IDs with idempotency keys, the author achieves idempotent email sending. Even with network errors causing retries, the email is guaranteed to be sent only once. The article details the implementation, covering job argument definition, worker creation, handling duplicate requests, and parameter matching safety. The resulting API is concise, efficient, and production-ready, avoiding many common email sending pitfalls.

(riverqueue.com)

Development idempotency email API

MapStruct: Effortlessly Create Interactive Maps

2025-04-09

MapStruct is a modern, interactive tool for creating custom maps. Upload your own background images, organize views across multiple pages, place interactive markers, and add links. Its drag-and-drop interface makes designing engaging maps simple and efficient. Ideal for event planners, real estate professionals, tourism agencies, and educational institutions, MapStruct offers both Docker container and manual installation options for easy deployment.

(itfourall.com)

Development map creation

Tailscale's NAT Traversal: A Deep Dive

2025-01-05

Tailscale's NAT Traversal: A Deep Dive

This Tailscale blog post details how their VPN overcomes the challenges of NAT (Network Address Translation) to enable direct device-to-device connections. It explains NAT's workings and various techniques to handle NAT and firewalls, including STUN for discovering public IPs, the birthday paradox for faster port probing, and DERP as a fallback relay. Finally, it introduces the ICE protocol, which automatically tries various methods, selecting the best connection to ensure reliable connectivity.

(tailscale.com)

Development

Agent Experience (AX): Designing for the Rise of AI Agents

2025-02-07

Agent Experience (AX): Designing for the Rise of AI Agents

AI agents like ChatGPT are revolutionizing how we interact with apps. This article argues that we need to shift from focusing solely on User Experience (UX) to Agent Experience (AX), emphasizing secure, transparent, and user-consented machine access to data and actions. OAuth is presented as the key to secure, controlled agent access, offering granular permissions and revocation. Key elements for great AX include clean APIs, easy onboarding, frictionless agent operations, and tiered authentication. The article concludes by advocating for all apps to become OAuth providers, building an open AX ecosystem for a competitive advantage.

(stytch.com)

AI AI Agents Agent Experience

Google DeepMind Open-Sources GenAI Processors: Simplifying LLM Application Development

2025-07-11

Google DeepMind Open-Sources GenAI Processors: Simplifying LLM Application Development

Google DeepMind has released GenAI Processors, an open-source Python library designed to simplify the development of complex Large Language Model (LLM) applications. The library uses a Processor interface to abstract various data processing steps and handles multimodal input via asynchronous stream processing, enabling concurrent execution for improved responsiveness and efficiency. GenAI Processors integrates with the Gemini API and provides examples for building real-time applications such as live transcription and conversational agents.

(developers.googleblog.com)

Development Open Source Library

Remote Work Fuels Startup Boom: An Unexpected Pandemic Side Effect?

2025-05-13

Remote Work Fuels Startup Boom: An Unexpected Pandemic Side Effect?

New research reveals companies with higher remote work rates during the COVID-19 pandemic saw a significant increase in employee-founded startups. Analyzing IP address and LinkedIn data, researchers found that at least 11.6% of the post-pandemic surge in new firm entries can be attributed to remote workers launching their own businesses. While some companies may experience losses due to employee departures, policymakers view this as a positive spillover effect, boosting job creation and innovation. However, the recent scaling back of remote work policies by major tech companies sparks debate over corporate motivations and the impact of remote work on productivity.

(www.theregister.com)

Startup

Donkey Kong's Broken Ladder Glitch: Luck and Skill Combine for a New Kill Screen

2025-02-08

Donkey Kong's Broken Ladder Glitch: Luck and Skill Combine for a New Kill Screen

The 'broken ladder' glitch in the classic arcade game Donkey Kong, long thought impossible to exploit, has been conquered. Player Kosmic, using an emulator and a hefty dose of luck, utilized the glitch to not only complete the game but discover a new, true kill screen at level 22-6. The glitch exploits a random delay in Donkey Kong's barrel throwing, giving Mario precious extra frames. This achievement highlights the game's intricate mechanics and underscores the crucial role of both skill and chance in overcoming seemingly insurmountable challenges.

(arstechnica.com)

Game game glitch luck

Apache SedonaDB: A Single-Node Spatial Database Engine Launches

2025-09-25

The Apache Sedona community announces SedonaDB, a new open-source, single-node analytical database engine built in Rust that treats spatial data as first-class citizens. Blazing fast and easy to install, SedonaDB offers Python and SQL interfaces and seamlessly integrates with tools like GeoArrow, GeoParquet, and GeoPandas. Leveraging Apache Arrow and Apache DataFusion, it provides a modern, vectorized query engine and optimizes spatial operations with spatial indexing and data pruning. Ideal for small-to-medium spatial data analytics, SedonaDB complements the existing Sedona ecosystem by offering a simple, high-performance alternative to distributed systems for local processing.

(sedona.apache.org)

Tech Spatial Database

OpenBSD 7.7 Installation Quickstart

2025-04-27

OpenBSD 7.7 installation varies depending on your hardware architecture. This document provides a brief overview of installation methods for different architectures (amd64, arm64, i386, etc.), including installation from CD, USB, or network. For dual-boot setups, consult the corresponding INSTALL.* files. Additionally, the document briefly touches upon the OpenBSD ports system; newcomers are encouraged to refer to the relevant documentation.

(www.openbsd.org)

Development Installation System Administration

Turn Your iPhone into an AirPlay Receiver with AirAP

2025-06-03

Turn Your iPhone into an AirPlay Receiver with AirAP

AirAP, a native iOS AirPlay server written in Swift, lets you use your iPhone as an AirPlay receiver. Stream audio from your Mac, Apple TV, or other iOS devices to your iPhone. Perfect for late-night work (routing audio to headphones), developers testing audio apps, or building a multi-room audio setup. Just install the app, connect to the same Wi-Fi, and your iPhone will appear as an AirPlay destination.

(github.com)

Development Audio Streaming

The Commodore 64: A Legacy Forged in Haste and Imperfection

2025-05-03

In 1981, a team at MOS Technology secretly developed the groundbreaking graphics and sound chips for the Commodore 64. Less than a year later, this home computer, boasting a then-unheard-of 64KB of RAM, launched at a disruptive $595, quickly dominating the market. However, its success was built on a foundation of rushed design, quality control issues (the infamous 'sparkle' defect), and a notoriously slow disk drive. Despite these flaws, the Commodore 64's incredibly low price and superior graphics and sound capabilities cemented its legacy as a gaming and computing icon, profoundly shaping the home computer landscape.

(spectrum.ieee.org)

Tech Home Computer

One Million Chessboards: A Massively Multiplayer Chess Game Unlike Any Other

2025-04-28

One Million Chessboards: A Massively Multiplayer Chess Game Unlike Any Other

A developer built a website called 'One Million Chessboards' featuring, you guessed it, one million chessboards! All players share the same boards, moving pieces instantly without turns. The developer overcame significant technical hurdles, building the backend in Go (their first Go project!), utilizing a single writer thread and numerous reader threads, and implementing optimistic locking for concurrency. This project is a technical feat; play it and experience massively multiplayer chess like never before!

(eieio.games)

Game Multiplayer Game Real-time Interaction

Lil Nas X Copyright Case: Algorithmic Recommendation Not a Get-Out-of-Jail-Free Card

2025-05-20

Lil Nas X Copyright Case: Algorithmic Recommendation Not a Get-Out-of-Jail-Free Card

Freelance artist Rodney Woodland sued Lil Nas X for copyright infringement over semi-nude photos posted on Instagram. The court dismissed the case, finding Woodland's photos lacked sufficient engagement to prove Lil Nas X had access to them, and that substantial similarity between the photos was lacking. The court delved into the impact of social media algorithms on the copyright "access" standard, stating that merely posting works to social media isn't enough to prove access; it requires showing the defendant had a reasonable chance of seeing the plaintiff's work through the platform's algorithm or content-sharing policies. This case sets a significant precedent for future social media algorithmic recommendation and copyright litigation.

(blog.ericgoldman.org)

Law

EU Data Act Kills Annual Recurring Revenue (ARR) in SaaS

2025-09-19

EU Data Act Kills Annual Recurring Revenue (ARR) in SaaS

The EU Data Act, effective September 2025, dramatically alters the SaaS landscape in Europe. It mandates that all SaaS contracts with EU customers become “cancel anytime” subscriptions, requiring only two months' notice. This effectively ends the reliance on Annual Recurring Revenue (ARR) as a predictable metric. SaaS companies must adapt, focusing on pricing models, customer retention strategies, and mitigating involuntary churn due to customer oversight. Success will hinge on robust customer relationship management and operational resilience, not contract terms.

(paid.ai)

Development EU Data Act

Julia 1.11 and Beyond: Static Compilation, juliaup, and WebAssembly Advancements

2025-02-20

Julia 1.11 brings significant improvements, addressing longstanding user concerns. The most impactful is the advancement in static compilation; the upcoming 1.12 release will produce smaller executables, facilitating distribution. Additionally, the new juliaup utility streamlines Julia installation and upgrades, while WebAssembly support continues to mature, enabling Julia programs to run in browsers. These enhancements make Julia more user-friendly and broaden its applications, making it a powerful contender for scientific computing and system utility development.

(lwn.net)

Development static compilation

From $20K to $35M: A Startup Founder's Bank Adventure

2025-08-28

A young founder opened a business account at Chase bank early in his startup journey. As his company raised multiple funding rounds (from $1M to $24M), he interacted with a bank manager, Alex, who repeatedly called to 'check in' on his account, leaving him bewildered. Eventually, the founder moved the company's funds to Silicon Valley Bank and closed the Chase account. A year later, he was recognized at a Chase branch in LA as the founder of HashiCorp, revealing that local Chase employees knew about his company's massive account activity and used it as an internal training case. Even more shockingly, his previously unclosed Chase account revealed fraud, requiring him to withdraw a $1M cashier's check to close it, a process filled with unexpected challenges. This story highlights the naivete of startup founders concerning banking and the inner workings of large banks.

(mitchellh.com)

Startup

JetBrains Deletes Negative Reviews for its AI Assistant, Sparking Controversy

2025-04-30

JetBrains Deletes Negative Reviews for its AI Assistant, Sparking Controversy

JetBrains' AI Assistant plugin, downloaded over 22 million times, boasts a paltry 2.3-star rating. Users recently noticed the removal of negative reviews, prompting JetBrains to explain that these reviews either addressed resolved issues or violated policy. However, this action sparked backlash, with users accusing JetBrains of trying to hide numerous issues plaguing the AI Assistant, including limited third-party model support, frequent latency, cloud service dependency for core features, inconsistent user experience across project types, and sparse documentation. The AI Assistant's unauthorized self-installation is another major point of contention. While JetBrains introduced the new AI agent Junie and a free tier, the high cost and lack of a separate cloud business—unlike competitors—pose ongoing challenges.

(devclass.com)

Development Negative Reviews

Eight Years of Self-Hosted Email: A Mail-in-a-Box Migration Story

2025-03-15

Eight Years of Self-Hosted Email: A Mail-in-a-Box Migration Story

This post recounts eight years of using Mail-in-a-Box (MiaB) for self-hosted email, culminating in a recent migration from Ubuntu 18.04 to 22.04. Challenges included persistent deliverability issues with Hotmail (resolved by switching hosting providers), and database conflicts during a Nextcloud upgrade (manually fixed). The author details the complexities of DNS configuration and the backup/disaster recovery strategies employed during the migration. The successful migration underscores the author's commitment to software freedom and independence, highlighting the learning and persistence involved in tackling technical challenges.

(nilsnh.no)

Development self-hosted email server migration

The Art of Saying No: A Lightweight API for Graceful Rejections

2025-04-30

The Art of Saying No: A Lightweight API for Graceful Rejections

Tired of struggling to politely decline requests? This lightweight API, "No as a Service," offers thousands of creative and humorous rejection reasons for any situation. Easy to integrate into apps, bots, landing pages, and more, it even helps craft witty rejection letters. The open-source code is simple to run, making it a fun and efficient tool for saying "no" with style.

(github.com)

Development Rejection Reasons Lightweight

Glitch to Shut Down Core App Hosting in 2025

2025-05-23

Glitch, a coding platform for sharing and remixing projects, announced it will cease its core feature—hosting web apps—on July 8th, 2025. This means users will no longer be able to host projects on Glitch, and user profiles will be closed. While CEO Anil Dash hasn't confirmed a complete shutdown, the move casts doubt on the platform's future. Users will have until the end of 2025 to download their code and access their projects; Glitch is also working on a project subdomain redirection feature. The change is attributed to increased maintenance costs and malicious activity, leaving Glitch's future uncertain.

(www.theverge.com)

Development

AI Conquers Tetris 99: Computer Vision and DFS Secure First Place

2025-02-03

Two programmers built "Jeff," an AI that plays Tetris 99 on the Nintendo Switch, using computer vision, a depth-first search algorithm, and a handcrafted utility function. Jeff captures the game screen via HDMI, analyzes the board state and upcoming pieces, and sends button commands to the Switch through a microcontroller. While initially aiming for webcam and Bluetooth control, they switched to an HDMI capture card and USB for simplicity. Overcoming challenges like visual effects and algorithm optimization, Jeff secured first place in a few games. The project highlights the power of combining computer vision and classical AI for real-time gameplay.

(bpinzone.github.io)

Game

Key Writers Depart HBO's 'The Last of Us'

2025-07-04

Key Writers Depart HBO's 'The Last of Us'

Neil Druckmann, co-creator of the 'The Last of Us' franchise, and Halley Gross, co-writer of 'The Last of Us Part II', are leaving HBO's adaptation before season 3 production begins. Druckmann cited a desire to focus on Naughty Dog's future projects, including writing and directing their next game, 'Intergalactic: The Heretic Prophet.' Both served as executive producers and contributed significantly to the writing and directing of the first two seasons.

(arstechnica.com)

Game The Last of Us Writer Departure

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