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CRDT: Text Buffer

← Back to the algorithm list Published on May 19th, 2024 Collaboratively editing strings of text is a common desire in peer-to-peer applications. For example, a note-taking app might represent each document as a single collaboratively-edited string of text. The algorithm presented here is one way to do this. It comes from a family of algorithms called CRDTs, which I will not describe here. It's similar to the approaches taken by popular collaborative text editing libraries such as Yjs and Auto

Octopolis and Octlantis

Settlements of gloomy octopuses in Australia Octopolis and Octlantis are two non-human settlements occupied by gloomy octopuses (Octopus tetricus) in Jervis Bay, on the south coast of New South Wales. The first site, named "Octopolis" by biologists, was found in 2009. Octopolis consists of a bed of shells (mainly scallop shells) in an ellipse shape, 2–3 meters diameter on its longer axis, with a single piece of anthropogenic detritus, believed to be scrap metal, within the site. Octopuses build

Robots.txt Is a Suicide Note (2011)

ROBOTS.TXT IS A SUICIDE NOTE ROBOTS.TXT is a stupid, silly idea in the modern era. Archive Team entirely ignores it and with precisely one exception, everyone else should too. If you do not know what ROBOTS.TXT is and you run a site... excellent. If you do know what it is and you have one, delete it. Regardless, Archive Team will ignore it and we'll delete your complaints, just like you should be deleting ROBOTS.TXT. For the unfamiliar, ROBOTS.TXT is a machine-readable textfile that sits on w

Topics: don robots site txt web

UK sentences “serial hacker” of 3,000 sites to 20 months in prison

A 26-year old in the UK who claimed to have hacked thousands of websites was sentenced to 20 months in prison after pleading guilty earlier this year. Al-Tahery Al-Mashriky of Rotherham, UK, was arrested in 2022 based on information received from U.S. law enforcement and charged for stealing log in details of millions of Facebook users, and hacking websites belonging to the government in Yemen, an Israeli news outlet, and organizations in the U.S. and Canada. Al-Mashriky pleaded guilty to the

‘Weird Looking’ Otter Poo Reveals an Unexpected Role in Parasite Control

Receiving an unsolicited photo of worm-infested animal poop would make anyone cringe, unless you’re a parasite expert like Katrina Lohan. When a colleague sent her a snapshot of a watery pile of feces with a fire-engine red worm inside, she was instantly intrigued. “She sent this to me and was like, ‘I think this is a parasite, are you interested in studying river otters?’ And I was like, ‘Ooh, I think that’s a parasite too. And yes, I am,’” Lohan, a parasite ecologist who leads the Coastal Dis

ForgeFed: ActivityPub-based forge federation protocol

ForgeFed is a federation protocol for software forges and code collaboration tools for the software development lifecycle and ecosystem. This includes repository hosting websites, issue trackers, code review applications, and more. ForgeFed provides a common substrate for people to create interoperable code collaboration websites and applications. Federation means that these websites can interact, allowing the humans using them to interact too, despite being registered on different websites. Fo

Cross-Site Request Forgery

Cross-Site Request Forgery (CSRF) is a confused deputy attack where the attacker causes the browser to send a request to a target using the ambient authority of the user’s cookies or network position. For example, attacker.example can serve the following HTML to a victim <form action="https://example.com/send-money" method="post"> <input type="hidden" name="to" value="filippo" /> <input type="hidden" name="amount" value="1000000" /> </form> and the browser will send a POST request to https://e

This website is for humans

8 August 2025 Walking past a bus stop yesterday I saw an advert for Google’s AI search. The person in the ad had pointed their phone’s camera at a bowl of ramen, and the AI result explained how to reproduce it at home. How does it know? Because it’s trained on all the ramen recipes that multiple recipe authors spent hours, weeks, years perfecting. Generative AI is a blender chewing up other people’s hard work, outputting a sad mush that kind of resembles what you’re looking for, but without an

Website Is for Humans

8 August 2025 Walking past a bus stop yesterday I saw an advert for Google’s AI search. The person in the ad had pointed their phone’s camera at a bowl of ramen, and the AI result explained how to reproduce it at home. How does it know? Because it’s trained on all the ramen recipes that multiple recipe authors spent hours, weeks, years perfecting. Generative AI is a blender chewing up other people’s hard work, outputting a sad mush that kind of resembles what you’re looking for, but without an

The Rock Art of Serrania De La Lindosa

The Rock Art of Serrania De La Lindosa Within Southeast Colombia's Orinoco River basin, a series of massive rocky sandstone mesas, called tepuis, rise up from the dense humid jungle. Since ancient times the cliffs of these mountains were important cultural sites. They served as shelters, navigational way points, communal gathering sites, and as giant canvases for their rock art, for early inhabitants to communicate their mythologies, histories, and exploits. One such stretch of these tepuis, La

Online Safety Act – shutdowns and site blocks

https://janitorai.com Reported: 26 July, 2025 at 18:12 Shut down on: 24 July, 2025 Geoblocking due to OSA Janitor AI is a chatbot platform where users can create and interact with AI characters for personalized role-playing and conversations. It was launched in 2023 and quickly gained popularity, especially among those interested in engaging with AI in an immersive and emotional way. The platform allows for customisation of character personalities, appearances, and dialogue settings, and sup

This collaborative doodling website is like Google Maps plus MS Paint

A new website that lets you paint over a world map with other users in real-time has taken the digital illustration community by storm. Wplace is a collaborative pixel art platform that serves as a spiritual successor to Reddit’s r/Place April Fools’ Day experiments, placing time restrictions on drawing tools that motivate users to team up to complete large or complex paintings. While r/Place provided its users with a blank white pixel grid, Wplace is layered over an interactive canvas of a wor

Why Is Web Performance Undervalued?

Why is Web Performance Undervalued? Web performance is one of those things so fundamental to businesses that you would expect them to absolutely nail it. If consumers care about performance, which seems to be true, then in an efficient, competitive market you would expect businesses to be under immense pressure to optimize it. And yet, poor web performance is ubiquitous. Huge companies across the board are shipping websites and web apps so sluggish that it is killing the web. The economic upsid

Inside the Multimillion-Dollar Gray Market for Video Game Cheats

Software that can see opponents through walls. Aimbots that can lock onto other players automatically. Tools that can boost characters’ stats to the max. The world of online game cheats is expansive—with some cheat websites advertising hacks for dozens of PC games—and it’s being driven by an underground economy that’s allegedly raking in millions every year. Over the last two years, a group of computer scientists has been analyzing and mapping the online cheat marketplace, observing what behavi

Accessibility and the Agentic Web

Accessibility and the agentic web Posted on Friday, 8 August 2025 by Léonie Watson in Strategy, User experience Imagine being in a department store that sells clothes from multiple brands and having a personal shopping assistant to help you select the clothes you want to buy. As a blind person, that's about the only way it's possible to go clothes shopping, independently at least, but few stores offer such a service, so you resort to shopping online. Except that retail websites are rarely acce

Senators are trying to force ISPs to block all foreign pirate sites

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. Lawmakers have introduced a new bill aimed at countering “foreign piracy sites,” as reported earlier by TorrentFreak. The bill, called the Block Bad Electronic Art and Recording Distributors (Block BEARD) Act, would allow copyright holders to ask a federal court

Library of Congress explains how parts of US Constitution vanished from its website

The Library of Congress has given a fuller explanation as to why large sections of the U.S. Constitution suddenly vanished from its official website. As TechCrunch previously reported, parts of Section 8, as well as the entirety of Section 9 and Section 10, were deleted from Article 1 of the Constitution on the U.S. government’s official website over the past month. The changes to the sections, which pertained to the Congressional powers, the rights of individual states, and the rights to due p

Coding error blamed after parts of Constitution disappear from US website

The Library of Congress today said a coding error resulted in deletion of parts of the US Constitution from Congress' website and promised a fix after many Internet users pointed out the missing sections this morning. "It has been brought to our attention that some sections of Article 1 are missing from the Constitution Annotated (constitution.congress.gov) website," the Library of Congress said today. "We've learned that this is due to a coding error. We have been working to correct this and e

Sections on habeas corpus and nobility titles were temporarily removed from Congress' US Constitution website

Key sections of the US Constitution were temporarily removed from Congress' website. Provisions including habeas corpus (due process) and the prohibition of nobility titles (like, say, King) vanished from the digital version of the document. They've since been restored. 404 Media first reported on the edits after users on Lemmy forums spotted them. There are many ways to read a copy of the US Constitution. But the Library of Congress' online version is one of the easiest to find. Alongside its

Speedhunters was a car culture juggernaut

Get The Drive’s daily newsletter The latest car news, reviews, and features. Email address Sign Up Thank you! Terms of Service & Privacy Policy. Speedhunters, as we know it, is done for. The car photography site that shaped a generation’s automotive imagination went out with a whimper, not a bang, when publishing quietly froze in April. After I reported the news last week, past contributors flooded my inbox with notes as they sought to share their side of the story. Now that I’ve sat down with

Some people are defending Perplexity after Cloudflare ‘named and shamed’ it

When Cloudflare accused AI search engine Perplexity of stealthily scraping websites on Monday, while ignoring a site’s specific methods to block it, this wasn’t a clear-cut case of an AI web crawler gone wild. Many people came to Perplexity’s defense. They argued that Perplexity accessing sites in defiance of the website owner’s wishes, while controversial, is acceptable. And this is a controversy that will certainly grow as AI agents flood the internet: Should an agent accessing a website on b

Clojure Civitas – Publish Clojure Ideas and Explorations

Clojure Civitas Clojure Civitas makes it easy for you to publish Clojure ideas and explorations without the overhead of setting up a new project, blog, or repo. Whether you're sketching out a quick experiment or writing a deeper post, just fork this repo, create a namespace, write, commit and submit a pull request. This is your shared scratch space. Think. Code. Share. ⚡ No setup – Clone this repo, make a new namespace, start coding. ✍️ Write as you code – Capture notes, results, and ideas a

Perplexity is allegedly scraping websites it's not supposed to, again

Web crawlers deployed by Perplexity to scrape websites are allegedly skirting restrictions, according to a new report from Cloudflare. Specifically, the report claims that the company's bots appear to be "stealth crawling" sites by disguising their identity to get around robots.txt files and firewalls. Robots.txt is a simple file websites host that lets web crawlers know if they can scrape a websites' content or not. Perplexity's official web crawling bots are "PerplexityBot" and "Perplexity-Us

Research roundup: 7 cool science stories we almost missed

It's a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we've featured year-end roundups of cool science stories we (almost) missed. This year, we're experimenting with a monthly collection. July's list includes the discovery of the tomb of the first Maya king of Caracol in Belize, the fluid dynamics of tacking a sailboat, how to determine how fast blood was traveling when it stained cotton fabric, and how

Belgium bans Internet Archive's ‘Open Library’

The Business Court in Brussels, Belgium, has issued an unprecedentedly broad site-blocking order that aims to restrict access to shadow libraries including Anna's Archive, Libgen, OceanofPDF, Z-Library, and the Internet Archive's Open Library. In addition to ISP blocks, the order also directs search engines, DNS resolvers, advertisers, domain name services, CDNs and hosting companies to take action. Traditional site-blocking measures that require local ISPs to block subscriber access to popular

Belgium Bans Internet Archive's 'Open Library' in Site Blocking Order

The Business Court in Brussels, Belgium, has issued an unprecedentedly broad site-blocking order that aims to restrict access to shadow libraries including Anna's Archive, Libgen, OceanofPDF, Z-Library, and the Internet Archive's Open Library. In addition to ISP blocks, the order also directs search engines, DNS resolvers, advertisers, domain name services, CDNs and hosting companies to take action. Traditional site-blocking measures that require local ISPs to block subscriber access to popular

Dark patterns

What to look out for when shopping online Hidden costs Hidden costs are extra costs you only find out about towards the end of your purchase, or which are made less obvious. They include pre-selected extras you may not want and add-ons presented so you feel you have to buy them. Some hidden costs are even sneakier, such as a pre-selected free trial period for a service that renews automatically if you don’t cancel before it ends - charging your card for an ongoing membership. Trick questions

Radioactive Wasp Nest Found in Decommissioned Nuclear Weapons Plant

As if wasps couldn’t get any scarier, a chilling discovery near Aiken, South Carolina, suggests they’re comfortable making their nest in a former nuclear bomb facility. On July 3, employees conducting a regular checkup of radiation levels at the Savannah River Site (SRS)—a former nuclear weapons production facility dating back to the 1950s—found themselves staring down at something that probably should not have been there. That something was a wasp nest measuring more than 10 times the federall