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News
SK chief says Big Tech AI data center cooperation gaining pace
9+ min ago (164+ words) SK Group Chairman Chey Tae-won said Friday that the group’s cooperation with Big Tech companies on artificial intelligence data centers was advancing rapidly. “...
AI Website Handoffs: When a Prototype Needs a Real Code Boundary
28+ min ago (332+ words) A polished AI-generated website can hide an unfinished delivery model. The hard question is not whether a builder can produce a convincing page. It is whether the next person can safely change the real system without reconstructing the original prompt,…...
Learning from first principles
29+ min ago (431+ words) Enterprises and large coorporations manage tens of millions of requests daily. what this implies is that the need for deep understanding of systems and engineering foundations in becoming increasingly important. people like to say things like Coding is Solved or…...
AI Is Already Better at Coding Than Most Developers. So Why Would a Company Still Hire You?
39+ min ago (1385+ words) AI can write a React component in seconds. It can create an API, design a database schema, write tests, explain an unfamiliar codebase, debug an error, refactor a function, and generate documentation before you've finished your coffee. And it's getting…...
Distributed Locks
1+ hour, 5+ min ago (110+ words) One-liner: A distributed lock ensures that only one node in a cluster can perform a critical operation at a time — preventing race conditions across services. In a single-server world, a mutex or semaphore handles concurrency. But in distributed systems: Classic…...
Ecualizador de Audio online
1+ hour, 5+ min ago (20+ words) Hola buen día me gustaría compartir este pequeño proyecto con todos la verdad es que no soy... Tagged with webdev....
Your First AWS Production Architecture: From a Simple Application to a Scalable System
1+ hour, 19+ min ago (1081+ words) Most people learn AWS by studying individual services. RDS is a database. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an…...
🐢 and 🐇 in My Claude Code Status Line: Now Watching Fable
1+ hour, 16+ min ago (491+ words) My Claude Code status line races a tortoise against a hare to show whether I'm burning quota faster than a steady pace. Last time I switched the main bar to the 7-day window. The status line wasn't wrong. It was…...
O que é Cloud Computing? (A visão de um estudante de tecnologia)
2+ hour, 2+ min ago (283+ words) Olá, pessoal! Sou o Davi. Este é o meu primeiro artigo no DEV Community. Sou estudante universitário da área de tecnologia e decidi começar a escrever para fixar o que venho aprendendo nas aulas e nos estudos individuais. Quando comecei…...
EC2 Instance Unreachable via SSM Session Manager
1+ hour, 46+ min ago (595+ words) This runbook resolves the situation where an EC2 instance is running and visible in the console but either does not appear in the Systems Manager Fleet Manager inventory, or returns a connection error when you attempt to start a Session Manager…...