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18+ min ago (336+ words) Taking on a new challenge: solving GeeksforGeeks POTD daily and sharing my solutions! " The goal: sharpen problem-solving skills, level up coding, and learn something new every day. Follow my journey! " 100DaysOfCode #CodingChallenge #ProblemSolving #GeeksforGeeks #DeveloperJourney Problem: https://www.geeksforgeeks.org/problems/swap-major-and-minor-diagonals-of-a-square-matrix/1 Swap diagonals Difficulty: Easy Accuracy: 85.42% Given a square matrix mat[][], the task is to swap the elements of the major and minor diagonals. " Major Diagonal: Elements that lie from the top-left corner to the bottom-right corner of the matrix (i.e., where row index equals column index). " Minor Diagonal: Elements that lie from the top-right corner to the bottom-left corner (i.e., where the sum of row and column indices equals n - 1). Examples: Input: mat[][] = [[0, 1, 2], [3, 4, 5], [6, 7, 8]] Output: [[2, 1, 0], [3, 4, 5], [8, 7, 6]] Explanation: Major Diagonal = [0, 4, 8], Minor Diagonal = [2, 4, 6]. We are required to swap the diagonal elements of same row, thus after doing so, major diagonal will become minor and vice-versa. Input: mat[][] = [[2, 3], [5, 4]] Output: [[3, 2], [4, 5]] Explanation: Major…...

23+ min ago (343+ words) " Serie: AWS Zero to Architect - M'dulo 1 " Tiempo de lectura: 15 minutos " Tiempo de implementaci'n: 60 minutos En el M'dulo 0 aseguramos nuestra cuenta AWS. Ahora viene la pregunta cr'tica: "c'mo creamos infraestructura sin hacer clic en consolas como si fueran videojuegos? La respuesta: Infrastructure as Code con Terraform. "Hice commit de terraform.tfstate sin darme cuenta. Conten'a credenciales de mi base de datos RDS. En 10 minutos, alguien accedi' a mi DB, la copi' completa, la borr', y dej' una nota de rescate pidiendo Bitcoin. Perd' datos de 500 clientes." " Desarrollador an'nimo, Reddit 2023 Este tutorial te ense'a a evitar estos errores desde el d'a 1. Imagina que tu compa'ero de equipo te dice: "Necesito el mismo bucket S3 que creaste para producci'n" Aqu' viene la parte que muchos tutoriales omiten y que termina costando miles de d'lares. Cuando ejecutas Terraform, crea un archivo terraform.tfstate que mapea…...

28+ min ago (356+ words) While lurking LessWrong, I read Apple's "The Super Weight in Large Language Models" paper and OpenAI's "Weight-sparse transformers have interpretable circuits" paper. My curiosity was simple, whether it is possible to bridge the core ideas derived from the two papers to explore a new direction, namely:" If I destroy the model's ability to generate responses by ablating a "superweight", can I then fix it with a tiny row-level patch? I do not own a GPU so I tried testing this on my MacBook (I ran it overnight!). Rather than focusing on a toy model, I leveraged a real model (i.e OLMo-1B) following advice of @Neel Nanda to get messy with real weights." I used AllenAI's OLMo-1B-0724-hf, running the model on my CPU with 16GB RAM. "Inspired by the LLMSuperWeight repository, I nabbed the two OLMo-1B superweights featured there. More specifically,…...

29+ min ago (1748+ words) So here's the thing. You can read the Google MapReduce paper in an afternoon. It's 13 pages. I've read it maybe four times now. And every time I thought I understood it. Then I tried to actually build the thing. The scenario that got me started: you have a 1TB log file. You need word counts. What do you do? Option 1: You load it all into memory and your laptop catches fire. Option 2: Process line by line on one machine, but you graduate before it finishes. Option 3: Split the work across machines and combine their results at the end. I went with option 3. Google figured this out in 2004. Twenty years later, I'm in my room at 2 a.m. wondering why worker 2 keeps dying. Before we dive into the theory, here's how to actually run this thing. The whole point of building it was to…...

35+ min ago (125+ words) Walmart and a local Coke distributor teamed up Friday to make a large donation to a Davenport elementary school. DAVENPORT, Iowa (KWQC) - Walmart and a local Coke distributor teamed up to make a large donation to a Davenport elementary school. Hayes Elementary received over a $1,000 donation to the school. A check for $1,404.32 was presented to the elementary school Friday afternoon from Walmart and Atlantic Coca Cola Bottling Company. DAVENPORT, Iowa (KWQC) - Walmart and a local Coke distributor teamed up to make a large donation to a Davenport elementary school. Hayes Elementary received over a $1,000 donation to the school. A check for $1,404.32 was presented to the elementary school Friday afternoon from Walmart and Atlantic Coca Cola Bottling Company....

39+ min ago (1758+ words) [ ] I. Historical Milestone: An Inevitable Reality The news has been in the air for a while, but now it's an undeniable reality: Rust has been officially integrated into the Linux kernel. As a developer who has closely followed this journey, I must say that, though expected, the announcement that Linus Torvalds and the maintainers have given the green light feels monumental. Think about it: for the first time in over three decades, a second programming language, besides C, will have an official place in the heart of the world's most ubiquitous operating system. For me, this isn't just a footnote in computing history; it's a paradigm shift. (Source: LWN.net). And why now? To me, the answer is clear and simple: security and concurrency. Memory-related vulnerabilities in C have been a persistent Achilles' heel, causing countless exploits that have plagued the…...

45+ min ago (54+ words) Experience vintage Christmas magic at Sheboygan County Museum's Holiday Memories exhibit featuring original Prange's displays from 1930s-1970s. Experience vintage Christmas magic at Sheboygan County Museum's Holiday Memories exhibit featuring original Prange's displays from 1930s-1970s. Experience vintage Christmas magic at Sheboygan County Museum's Holiday Memories exhibit featuring original Prange's displays from 1930s-1970s....

55+ min ago (111+ words) I'm excited to share the Personal Identity Agent (PIA) platform and SDK. AI agents are becoming increasingly powerful, but we still lack a safe, scalable way to delegate real-world tasks to them. Today, you're forced into one of two bad options: An authorization layer for AI agents " think OAuth, but for your digital life. PIA sits between users and agents, enforcing identity, permissions, and policy before any action is taken. To make adoption easy, I built a lightweight SDK that developers can drop directly into their agents. Once integrated, the SDK handles the entire authorization layer " giving both you and your users fine-grained control without added complexity....

56+ min ago (345+ words) Gold Prices Today, December 13: In Mumbai, the price of 24-carat gold stands at Rs 1,33,210 per 10 grams, while 22k gold is available at Rs 1,22,110 per 10 grams. Gold Rate Today, December 13: Gold prices rose on Friday, amid a rate cut by the US Federal Reserve and a weakening dollar. In Mumbai, the price of 24-carat gold stood at Rs 1,33,210 per 10 grams, while 22k gold was available at Rs 1,22,110 per 10 grams. These rates do not include GST and making charges. Silver was available at Rs 2,04,100 per kg in the spot market. What Is The Price Of 22kt, 24kt Gold Rates Today In India Across Key Cities On December 13? Jewellers haven't been buying (gold) as store footfalls have dropped sharply due to the price rally, a Mumbai-based bullion dealer with a private bank said. Domestic gold prices hit a record high of 132,776 rupees per 10 grams on Friday. Weddings…...

57+ min ago (1854+ words) Someone wise once said, "The best Christmas gifts are the ones you buy the week before." Okay, no one said that, but these fire presents will get to you faster than Lightning McQueen. Promising review: "I preordered it and was so excited to receive it, and it met my expectations! We're a huge The Office family, and this was such a great buy. Has a ton of inside jokes from The Office that only fans would understand. Seriously such a good buy. I'd love to see more like these in the future!" "Christy B. It comes with 30 darts. Promising review: "This Thor Dart Blaster couldn't be a better gift! Our 6-year-old grandson loves it! He has many dart blaster toys, but says this one is his favorite! It's gotta be well-made, because he puts it to the test daily! Money well…...