just now (143+ words) Processes (or threads) request resources (mutexes, files, devices, memory pages). A deadlock occurs when processes each hold some resources and wait forever for resources others hold. Simple OS example (classic) Prevention & Avoidance (OS) Prevention: disallow one Coffman condition (e.g., enforce ordering of resource acquisition, or disallow hold-and-wait by forcing processes to request all resources at once). Avoidance: Banker's algorithm (process claims max resources; OS grants only if system stays in a safe state). Works well only with fixed, known maximums. What it means in DBMS Transactions acquire locks (row/page/table locks) to ensure isolation. Two (or more) transactions can form a cycle waiting for locks the others hold. DBMSs commonly use lock managers and wait-for graphs to detect deadlocks and resolve them automatically. DB-specific concepts Lock modes: Shared (S) vs Exclusive (X). Prevention & Avoidance (DBMS)...

just now (162+ words) I was born on a farm in Ulster County. I ran away from home when I was seventeen. And I got to the West by accident. I was walking along the road with a bundle in my hands, I wanted to get to New York. I thought I'd get there and start raking in the... I was born on a farm in Ulster County I ran away from home when I was seventeen And I got to the West by accident I was walking along the road with a bundle in my hands, I wanted to get to New York I thought I'd get there and start raking in the money It always seemed to me that this was what I was born for I've reached the intersection and I don't know where to go I thought about what to…...

just now (864+ words) It's been 18 years since BYU last won a conference championship and with the last quarterback to do it, Max Hall, in attendance on Saturday, freshman Bear Bachmeier marched the Cougars another step in that direction. BYU's 41-21 victory against UCF completed the regular season with the same record as Texas Tech (11-1, 8-1). All that's left to decide the Big 12 champion and automatic qualifier into the College Football Playoff is a rematch in Arlington, Texas, on Saturday (10 a.m., ABC). "The next best thing to a 12-0 year is 11-1, which we are," said BYU coach Kalani Sitake. "Our only loss was to a top-five ranked Texas Tech (29-7), so we are looking forward to the rematch." The Cougars capped their first unbeaten season at home since 2020 with a 20-point win against the Knights. Desperate to keep their own postseason hopes alive, UCF charged out of the gate…...

just now (1174+ words) Anyone who has ever bought a ticket to a concert or professional sports event on the secondary ticket market probably has strong feelings about the process and the cost. I know I do, even as I hit purchase while swearing at the bots and scalpers that have bought all the tickets on the primary marketplace before regular people like me even have a chance. The secondary marketplace is viewed by many as a racket and faces widespread criticism " just look at reddit.com/stubhub and you'll see how people feel. It's a very profitable business. StubHub is the most well known player in this sector " in 2024, StubHub reported more than 40 million tickets sold to over 1 million unique sellers globally, according to Industry Previews " but there are plenty of competitors, including SeatGeek, Vivid Seats, Gametime, and TickPick. Now StubHub is facing…...

just now (375+ words) Continuing to lean into artificial intelligence rather than fight against it, the University of Utah last week launched OpenAI's ChatGPT Edu " a version of the AI tool specifically designed for higher education and securely deployed for university use " across its campus community. Every U. student, faculty and staff member can now request access to the tool via the U.'s IT Service Catalog, and they'll receive an email with login instructions. "We've been steadily building a foundation for responsible AI across campus, and ChatGPT Edu represents a major leap forward," Manish Parashar, chief AI officer at the U., said. "The U. is at the forefront of reimagining how we teach, learn and research in the age of generative AI, and ChatGPT Edu will help us maintain an edge. "We're excited for our community to use this tool in a way that's secure, optimized for…...

just now (76+ words) Witkoff stated that he is flying to Moscow tomorrow, and on Tuesday there is a meeting with Putin. The meeting today of the delegations of Ukraine and the USA in Florida has ended, it lasted almost two hours The meeting today of the delegations of Ukraine and the USA in Florida has ended, it lasted almost two hours. Witkoff stated that he is flying to Moscow tomorrow, and on Tuesday there is a meeting with Putin....

just now (681+ words) STORY: Large crowds of people turned out on Sunday to mourn the victims of Hong Kong's deadly high-rise fire, as Beijing warned it would use a national security law to crack down on any "anti-China" protest.Police said the confirmed death toll had risen over 145, after they combed through five of the seven burnt-out towers, with many still missing.The officer in charge of victim identification told reporters some bodies had been found in stairwells and on rooftops, where residents had tried to flee.Mourners waited in long queues to pay tribute to the dead at the Wang Fuk Court housing complex.The cause of Hong Kong's worst blaze in decades remains under investigation.But public anger is growing over missed fire risk warnings and evidence of unsafe construction practices.Officials have also said the fire alarms at the complex,…...

1+ min ago (309+ words) I wanted to make a working proof of concept that you can login with an oAuth provider directly in the database. Surreal Database should have this built in, and I am hoping they will in the future just like Gel, Firebase and Supabase! Thanks to Zorimyll for pseudocode in Discord. I make a fully working SurrealDB SvelteKit login with GitHub button that automatically merges with existing users and their email! See Repo. We have three main tables: users, auth_accounts, and auth_providers. We must first create a GitHub oAuth App under GitHub Developer Settings. Save the client_secret and client_id. You can't get the secret later. You will also need two different apps for production and development. There are no environment variables in Surreal, but we can save our data in a safe table we just created. This allows it to be available safely to any…...

1+ min ago (596+ words) What do young people think about it? Our team of 14 leading researchers from around the country interviewed 86 young people from around Australia, aged between 12 and 15, to find out. The social media ban, which was legislated 12 months ago, has attracted considerable media coverage and controversy. But largely missing from these conversations has been the voices of young people themselves. This is a problem, because research shows that including young people's voices is best practice for developing policy that upholds their rights, and allows them to flourish in a digital world. There's also evidence that when it comes to public policy concerning young people and their use of technology, discussion often slips into a familiar pattern of moral panic. This view frames young people as vulnerable and in need of protection, which can lead to sweeping'fixes" without strong evidence of effectiveness. Our…...

1+ min ago (608+ words) Last month, the federal government released the results of a rapid review into bullying. Among the recommendations, it encouraged schools to mobilise students to be'upstanders. Releasing the review, Education Minister Jason Clare described upstanders as'people who are prepared to stand up, not walk past the problem. On the face of it, this makes sense " if students stand up for their peers and call out bullying, perpetrators may stop and victims will be better off, right? But international peer-reviewed research does not support this. In fact, research suggests that actively encouraging students to be upstanders to bullying may even be counterproductive. For example, if a student is ridiculing a peer about their appearance, other students who notice this behaviour might step in and tell them to stop. Many programs promoted to Australian schools focus strongly on mobilising bystanders. But most have…...