Building a Distributed Background Job Scheduler with Redis and Node.js The Problem Complex workflows in distributed systems often require background processing that can take minutes to complete. Traditional vertical scaling approaches are cost-prohibitive due to low average utilization, while horizontal scaling introduces race conditions where multiple workers might process the same job. Architecture Design When…
🔹 Problem: 3021. Alice and Bob Playing Flower Game Difficulty: #Medium Tags: #Math, #Combinatorics 📝 Problem Summary Alice and Bob play a game with n flowers and m flowers. Each chooses one flower. Alice wins if the total number of petals is odd. You need to count the number of winning pairs (x, y) where…
RAG (Retrieval-Augmented Generation) is one of the most practical ways developers are applying LLMs today. Large Language Models (LLMs) are very good at writing and reasoning in natural language. But used naively, they come with three practical limits: Hallucinations: LLMs can make things up because they predict text by pattern-matching. Outdated knowledge: LLMs knowledge is…
Leaked images appear to show a Crossbody Strap product The lanyard-like device is rumored to release alongside the iPhone 17 It may contradict earlier iPhone 17 leaks, raising some awkward questions Last week, an iPhone 17 packaging leak dropped a hint about an unreleased “Crossbody Strap,” which sparked questions over what exactly this mysterious product…
Salesloft suffered a third-party attack earlier this week New information suggests all authentication tokens were compromised Google disabled integrations and warned victims, in response The Salesloft cyberattack that happened earlier this week may have also compromised certain Google Workspace accounts, as well as Salesforce instances. This is according to Google’s Threat Intelligence Group (GTIG), who…
More details of the Galaxy tri-fold have leaked Expect NFC payments, wireless charging, and reverse charging It’s likely to use an infolding form factor Samsung gave us a brief glimpse of its tri-fold smartphone all the way back in January at the Galaxy S25 launch, but we’re still waiting for it to see the light…
In this article, I’m going to further explore the trade-offs that system designers face in distributed systems and databases by introducing the PACELC Theorem (pronounced “pass-elk”), an extension of the popular CAP Theorem. 👉 If you aren’t familiar with CAP, check out my previous article: 📌 [ CAP Theorem Explained: Distributed Systems Series ] Now,…
TL;DR Debugging Solidity smart contracts is crucial due to their immutable nature. Hardhat offers a console.log function, similar to JavaScript’s, allowing developers to print variables and messages directly from Solidity code. To use it, import hardhat/console.sol into your contract. While console.log is invaluable during development, it’s recommended to remove such statements in production to optimize…
How I Write 2,000+ Words a Day with AI Jaideep Parashar ・ Aug 29 #ai #devops #programming #webdev
The Pitt season 2: key information – Will arrive in January 2026– Teaser trailer released in August 2025– Production began in June 2025– Main cast set to return– New recurring characters revealed– Season 2 will time jump to 10 months ahead– Hopes for future seasons The Pitt season 2 is coming in January 2026, only…
