When people hear I’ve written 40+ books on AI in just over a year, the first question is always: “How do you write so much without burning out?” The answer isn’t coffee or late nights. It’s systems + AI. Here’s my exact behind-the-scenes workflow:

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 Outdated knowledge: LLMs knowledge is…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…