Popular：
Virtualization DNS security formal verification reachability analysis compiler errors macro conflict web extension development framework Bitmap Graphics API inconsistencies All Tags

Real-Time Blur Algorithms: From Box Blur to Dual Kawase Blur

2025-09-06
Real-Time Blur Algorithms: From Box Blur to Dual Kawase Blur

This article details the evolution of real-time blur algorithms, from the simple Box Blur to the efficient Dual Kawase Blur. Using interactive WebGL demos, the author progressively explains Box Blur, Gaussian Blur, Separable Gaussian Blur, Kawase Blur, and finally the Dual Kawase Blur, analyzing the strengths and weaknesses and performance of each. The article also explores frequency-domain image processing and downsampling techniques in blur algorithms, and how to optimize GPU performance. Ultimately, the author champions the Dual Kawase Blur as a fundamental building block for real-time visual effects due to its balance of performance, stability, and visual quality.

Read more
(blog.frost.kiwi)
Development blur algorithms

Dictionary.com Deletes User Accounts, Leaving Logophiles Devastated

2025-07-18
Dictionary.com Deletes User Accounts, Leaving Logophiles Devastated

Dictionary.com abruptly deleted all user accounts and their associated data, including years' worth of saved words, sparking outrage among users. The company, which previously offered a paid ad-free version with extra features like offline dictionaries, removed these features and rendered saved data inaccessible. While Dictionary.com claims the change was for app improvement, they offered no adequate explanation or compensation for lost data, leading to widespread criticism and unanswered questions.

Read more
(arstechnica.com)
Tech paid services

Germany's Exit Tax: A Berlin Wall for Entrepreneurs?

2025-08-08

Germany's exit tax acts as a significant barrier for entrepreneurs, effectively trapping them in the country. If you own over 1% of any limited liability company (including foreign ones) and the company is profitable, you face a potentially crippling exit tax. This tax is calculated by multiplying the average earnings of the past three years by 13.75, then by 0.6, and finally applying your personal income tax rate. This article analyzes the tax burden in different scenarios, suggesting that entrepreneurs with moderately profitable businesses and plans to leave Germany should consider doing so before their company grows significantly to avoid a massive tax bill.

Read more
(eidel.io)
Startup German exit tax

US High Schoolers' Scores Plummet to Historic Lows Amidst Decade-Long Decline

2025-09-10
US High Schoolers' Scores Plummet to Historic Lows Amidst Decade-Long Decline

The Nation's Report Card reveals a decade-long slide in US high schoolers' reading and math performance, exacerbated by the COVID-19 pandemic. 12th-grade scores hit a more than 20-year low, while 8th-grade science scores also significantly dropped. Experts attribute this not only to pandemic-related school closures and absenteeism but also to longer-term factors such as increased screen time, shorter attention spans, and a decline in reading longer texts. The achievement gap widened, particularly affecting girls in STEM subjects. This alarming trend sparks concerns about the US education system and fuels debate over federal education funding.

Read more
(apnews.com)
Misc US Education Student Performance

Beginner-Friendly Jujutsu Version Control Tutorial

2025-08-31

This tutorial introduces the Jujutsu version control system, requiring no prior experience with Git or other VCS. Structured into levels, it progresses from basic solo use to collaboration and advanced techniques. An example repository and reset script aid learning and progress resets. Even if you're familiar with Git, this tutorial offers an easier path to mastering Jujutsu.

Read more
(jj-for-everyone.github.io)
Development

AI-Powered Actionable Intelligence Boosts Team Productivity

2025-06-03
AI-Powered Actionable Intelligence Boosts Team Productivity

A company leveraged AI to analyze its internal data (Jellyfish) and gain deep insights into team performance. The AI didn't just return raw metrics; it analyzed potential reasons for performance patterns, connected insights across different data points (linking productivity to investment levels and timelines), and offered actionable suggestions. For instance, it identified that lower productivity stemmed from a team split across multiple investment categories and recently initiated projects. Further, it analyzed PR cycle times, pinpointing team members with heavier review burdens, and suggested process improvements. Connecting additional data sources allowed seamless integration of data analysis with real-time process improvement suggestions, shifting from 'what does the data show?' to 'how can we improve?'

Read more
(jellyfish.co)
Development

Running a Web Server on a Disposable Vape

2025-09-15
Running a Web Server on a Disposable Vape

The author collected a bunch of disposable vapes and discovered a programmable ARM Cortex-M0+ microcontroller inside. By cleverly leveraging semihosting, SLIP protocol, and the uIP protocol stack, the author successfully built a fully functional web server on this microcontroller, even including a JSON API endpoint. Despite limited resources, after optimization, the server's performance is surprisingly good, with a ping response time of only 20ms and significantly improved webpage loading speed. This is a highly creative project showcasing the endless possibilities of embedded systems development.

Read more
(bogdanthegeek.github.io)
Tech web server

Yale Ends Decade-Long Partnership with Harvard's CS50

2025-02-09
Yale Ends Decade-Long Partnership with Harvard's CS50

Yale University will discontinue its partnership with Harvard's CS50 introductory computer science course, effective Fall 2025. The decision, driven by dwindling funding from the original donation and the expansion of Yale's computer science department, makes maintaining the large-scale course unsustainable. While CS50 was a hugely popular course at Yale, introducing many students to the field, its end reflects a shift towards more specialized introductory offerings. Yale will offer a wider range of introductory courses tailored to specific student interests.

Read more
(yaledailynews.com)
Tech Yale Computer Science

Implementing Django's Templating Language in Rust: Conquering Lifetimes and PyO3

2025-09-03

This article details the challenges encountered while reimplementing Django's templating language in Rust, specifically focusing on handling custom template tags and context. Due to Rust's lifetimes and PyO3 limitations, the author cleverly uses `std::mem::take`, `std::mem::replace`, `Arc`, and `Mutex` to safely pass and modify context data between Rust and Python, ultimately solving context lifecycle management issues during custom tag rendering.

Read more
(blog.lilyf.org)
Development

typr: A TUI Typing Test with Smart Word Selection

2025-06-27
typr: A TUI Typing Test with Smart Word Selection

typr is a command-line typing test tool inspired by Keybr's word selection algorithm. It optimizes your typing speed by weighting accuracy, letter frequency, and typing speed. Featuring a cool curses-based TUI, it saves your data in a JSON file. Customize your test with options for time limits, word counts, or even endless practice.

Read more
(github.com)
Development typing test

Printercow: AI Printing, Now Accessible to All

2025-01-21

Printercow transforms any thermal printer into an API endpoint, letting you print anything from receipts to AI-generated art via HTTP requests. Support for various thermal printer brands is included, along with 300 free prints per month. Simple installation via command line or desktop app makes setup a breeze. Whether you're a hobbyist printing AI poems or a business handling thousands of receipts daily, Printercow scales to your needs. Its flexible settings, robust features, and privacy-focused design make it the perfect bridge between AI and the physical world.

Read more
(www.printercow.com)
Tech

New Class of Virus-like Entities Found in Human Gut

2024-12-30
New Class of Virus-like Entities Found in Human Gut

Researchers have discovered a completely new class of virus-like objects in the human digestive system, dubbed 'Obelisks'. These RNA structures, approximately 1,000 nucleotides long, are unlike any known viruses and may represent an entirely new biological entity, potentially bridging the evolutionary gap between simple genetic molecules and complex viruses. Found in human microbiomes, Obelisks code for a novel protein called 'Oblins', but their impact on host cells and their transmission mechanism remain unknown. This discovery opens up exciting new avenues for life science research.

Read more
(www.sciencealert.com)
AI virus microbiome

2024 US Election: A Calm Surface, Underlying Security Challenges

2025-04-08
2024 US Election: A Calm Surface, Underlying Security Challenges

Despite media portrayals of a smooth 2024 US election, significant security threats emerged. At least 227 bomb threats targeted polling locations, election offices, and tabulation centers nationwide on and after Election Day. Explosives detonated at ballot drop boxes in the Pacific Northwest, hoax active shooter calls targeted schools serving as polling places in the Northeast, and law enforcement responded to voting locations across the country. However, preemptive collaboration between election officials and law enforcement minimized disruption. This unprecedented level of cooperation, unlike previous election cycles, effectively addressed various crises. But future elections will likely face evolving threats, demanding continuous investment and innovative partnerships to safeguard election security.

Read more
(www.brennancenter.org)
Misc election security cyber threats law enforcement collaboration

France Slaps Apple with €150M Fine Over App Tracking Transparency

2025-03-31
France Slaps Apple with €150M Fine Over App Tracking Transparency

France's competition authority fined Apple €150 million for violating competition law with its App Tracking Transparency (ATT) framework. The authority argues that ATT disproportionately harms smaller publishers because Apple's own ad tracking requires only single consent, while others need double consent. While the fine is insignificant to Apple's revenue, Apple must modify ATT to comply. Apple maintains that ATT is consistent for all developers and enjoys broad support.

Read more
(arstechnica.com)
Tech

Profitable Startups: The Underrated Path to Success

2025-02-21
Profitable Startups: The Underrated Path to Success

For years, startups prioritized growth above all else, viewing profitability as secondary. Linear, however, demonstrates a different path. By maintaining a lean team focused on building a superior product, they achieved profitability within a year and have sustained it since. The author argues that smaller teams are more efficient, while rapid expansion often diminishes efficiency and product quality. Profitability offers not just financial freedom, but the crucial ability to focus on value creation rather than fundraising. The article advocates for startups to prioritize metrics like revenue per employee and to rationally manage team size based on their risk profile and market conditions, enabling earlier profitability and control over their destiny.

Read more
(linear.app)
Startup profitability

Recommendarr: AI-Powered Movie & TV Recommendations

2025-03-02
Recommendarr: AI-Powered Movie & TV Recommendations

Recommendarr is a web application that leverages AI to provide personalized movie and TV show recommendations based on your Sonarr, Radarr, and Plex libraries. It directly integrates with Sonarr and Radarr to analyze your media collections, and optionally with Plex to incorporate your watch history for even better recommendations. Support for OpenAI, local models (Ollama/LM Studio), and any OpenAI-compatible API is included. Customize recommendation counts, model parameters, and more, with dark/light mode and poster image display. Easily installable via Docker or manual installation. Your data remains private; it's never sent to external servers.

Read more
(github.com)
Development AI Recommendations Media Management Personalized Recommendations

Retrograde Planet Found Orbiting Binary Star System Defies Expectations

2025-05-23
Retrograde Planet Found Orbiting Binary Star System Defies Expectations

Years of observation have finally revealed the secrets of Nu Octantis, a binary star system harboring a planet roughly twice the size of Jupiter. This planet uniquely orbits both stars in a retrograde motion, moving against the orbit of one star. This unexpected configuration challenges traditional planetary system models and opens avenues for new research into planetary formation and evolution. The discovery was possible due to improved measurement technologies and years of consistent data confirming the planet's existence. The system further complicates things as one star is a white dwarf, suggesting the planet's current orbit may be a result of either a radical orbital shift following the star's transformation or formation from the star's ejected matter.

Read more
(www.newscientist.com)
Tech retrograde orbit

Xbox's Next Decade: Handhelds and Next-Gen Consoles

2025-03-10
Xbox's Next Decade: Handhelds and Next-Gen Consoles

Microsoft's Xbox strategy is shifting. While console sales have declined, its active user base has skyrocketed thanks to the Activision-Blizzard acquisition. Microsoft is focusing on a multi-platform strategy, including a planned 2025 release of an Xbox-branded handheld, codenamed "Keenan," running Windows and deeply integrated with PC Game Pass. More excitingly, Microsoft has greenlit next-gen Xbox consoles, slated for 2027, which will be closer to Windows, improving developer efficiency and continuing backward compatibility. This move aims to solidify its core user base and maintain competitiveness through more powerful hardware and tighter Windows integration.

Read more
(www.windowscentral.com)
Game Gaming Console

Spotting Base64 Encoded JSON, Certificates, and Private Keys with the Naked Eye

2025-08-06
Spotting Base64 Encoded JSON, Certificates, and Private Keys with the Naked Eye

A developer, examining a supposedly encrypted file for safe Github commit, discovered a base64 encoded JSON string within. A colleague pointed out this pattern. Surprisingly, they found that base64 encoded certificates and private keys also have similar easily-spotted characteristics, such as certificates often starting with "LS". This simple trick helps developers quickly identify sensitive information and avoid accidentally committing secrets like keys to public repositories.

Read more
(ergaster.org)
Development

Maya Blue: Cracking the Code of an Ancient Pigment

2025-06-16

This article unravels the mystery of Maya Blue, a remarkably durable blue pigment used by the ancient Maya civilization. It reveals Maya Blue isn't a simple organic or inorganic pigment, but a unique, human-made nano-structured hybrid of the clay mineral palygorskite and the indigo dye. Through analysis of ancient pottery and sacrificial offerings, the author unveils two methods the Maya used to create it: one involving burning palygorskite, indigo, and copal incense; the other, grinding wet palygorskite with indigo leaves and then heating the mixture. This discovery highlights the Maya's sophisticated craftsmanship and offers insights for modern materials science.

Read more
(www.mexicolore.co.uk)
Tech Maya civilization ancient pigment

Windows 10's End of Life Leaves Charities in a Bind

2025-03-15
Windows 10's End of Life Leaves Charities in a Bind

With Windows 10's free security updates ending this October, millions of PCs unable to upgrade to Windows 11 face obsolescence. This poses a significant challenge for charities that rely on these older machines. They're faced with a difficult decision: provide insecure Windows 10, switch to Linux, or scrap the computers. While Linux offers a viable alternative, the learning curve for unfamiliar users, especially seniors and students, is steep and could lead to increased tech support issues. The article explores this problem, showcasing different charities' strategies and the resulting e-waste dilemma.

Read more
(www.tomshardware.com)
Tech security updates

Cruz's Telecom Director to Lead US Broadband Deployment Program

2025-02-04
Cruz's Telecom Director to Lead US Broadband Deployment Program

US Senator Ted Cruz has been pushing for an overhaul of a $42.45 billion broadband deployment program, and now his telecom policy director, Arielle Roth, has been nominated to lead the National Telecommunications and Information Administration (NTIA), the agency responsible for distributing the funds. Roth's nomination is pending Senate approval. Cruz previously criticized the NTIA's implementation of the Broadband Equity, Access, and Deployment (BEAD) program, accusing it of 'technology bias' for prioritizing fiber. Roth herself criticized the program for adding extra-legal requirements and a 'woke social agenda,' increasing costs and deterring participation. Her appointment could lead to less emphasis on fiber and more funding for cable, fixed wireless, and satellite services, potentially impacting municipal broadband and fiber networks.

Read more
(arstechnica.com)
Tech government

BepiColombo Delivers Stunning Close-Ups of Mercury's North Pole

2025-01-11
BepiColombo Delivers Stunning Close-Ups of Mercury's North Pole

The European-Japanese BepiColombo spacecraft has completed its sixth and final Mercury flyby, sending back the most detailed images yet of the planet's north pole. Flying as close as 295 kilometers above Mercury's night side, the spacecraft captured stunning views of permanently shadowed craters, neighboring volcanic plains, and Mercury's largest impact crater. These images provide invaluable data for understanding Mercury's formation and evolution. BepiColombo is on track to enter Mercury's orbit next year for a more extensive study.

Read more
(apnews.com)
Tech

European Electricity Market Plunges: Renewable Energy Boom and Negative Prices

2025-04-04
European Electricity Market Plunges: Renewable Energy Boom and Negative Prices

During the last week of March, European electricity markets saw widespread price drops, with the Iberian MIBEL market hitting record lows for the eighth consecutive week. Spain even recorded its first-ever negative electricity prices on April 1st. This was driven by decreased demand and a surge in renewable energy production, particularly wind and solar. Portugal and France set March records for wind energy generation. However, solar power generation fell in most markets, except for Germany, which saw an increase. AleaSoft forecasts a rebound in solar production for Germany, Spain, and Italy next week, while wind power is expected to rise in Germany and France but decline in the Iberian Peninsula and Italy. Electricity demand fell in most markets, except for France, Portugal, and Great Britain. AleaSoft predicts further price declines in most markets during the first week of April, but the MIBEL market is expected to recover slightly due to lower wind generation. Brent crude oil remained above $85/bbl, TTF gas futures stayed below €28/MWh, and CO2 emission rights held above €60/t. Low electricity prices pose challenges for renewable energy developers who relied on overly optimistic price forecasts for financing.

Read more
(aleasoft.com)
Tech electricity market energy prices

Simple Sonos Control for a 5-Year-Old using ESP32

2025-07-12
Simple Sonos Control for a 5-Year-Old using ESP32

A father built a simple Sonos Play:1 speaker control system for his 5-year-old child. Using an M5Stack CardPuter v1.1 (ESP32S3) as a controller and Go for backend logic, the child can play or restart their favorite playlist with a button press. A green light indicates operational status. This is a fun, easy-to-use project highlighting simplicity and playful interaction.

Read more
(github.com)
Development Kids Project

Yelp's Epic Tab-to-Space Migration

2025-05-02

This post details the author's experience converting Yelp's massive Python codebase from tabs to four spaces. The process involved tackling inconsistent indentation, using Git filters to enforce spaces, and resolving various issues like phantom files and slow Git status. The author successfully completed the migration and shares lessons learned, including using .gitattributes, the expand utility, and Git tricks.

Read more
(eev.ee)
Development

NixOS: A Two-Year Love-Hate Relationship (and Breakup)

2025-01-14

This post details the author's two-year journey using NixOS, its package manager, and language. Initially drawn to its declarative configuration and reproducibility, the author ultimately found more problems than solutions. While NixOS excelled on servers and simple services, desktop use proved challenging due to complexities in package management, cryptic build errors, and significant resource consumption. The author decided to step back from full-time NixOS use, seeking a more streamlined workflow.

Read more
(www.dgt.is)
Development

The Vanishing Act of Government Data: Archivists to the Rescue

2025-04-02
The Vanishing Act of Government Data: Archivists to the Rescue

For three decades, the Internet Archive's Wayback Machine has archived vast amounts of government websites and datasets crucial for research. However, various US administrations have deleted data, notably during Trump's presidency, where thousands of web pages and databases were taken down. While some data has been restored, keywords like "climate change" were purged. Harvard Law School's Library Innovation Lab has created a backup of Data.gov's 16TB archive and continues to update it, highlighting the crucial role of digital archives in preserving knowledge.

Read more
(spectrum.ieee.org)
Tech digital archives

Reverse Video Search: Mixpeek's Approach to Video Similarity Search

2024-12-30
Reverse Video Search: Mixpeek's Approach to Video Similarity Search

Mixpeek offers reverse video search, allowing users to query videos against a vector database using a video clip. Similar to reverse image search, this technology uses a video as input to find similar videos. The article details the process of embedding videos, searching, and comparing results using the Mixpeek API. Applications discussed include content creation, media monitoring, e-commerce, and security surveillance. Mixpeek also provides automated processing and database integration for efficiency.

Read more
(blog.mixpeek.com)
AI reverse video search video similarity search
1 2 … 356 357 358 360 362 363 364 … 596 597