Anthropic Races to Contain Leak of Code Behind Claude AI Agent - WSJ
Anthropic Races to Contain Leak of Code Behind Claude AI Agent WSJ
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Why I Built Scenar.io - An AI-Powered DevOps Interview Practice Tool
Why I Built Scenar.io How It Started I was prepping for a Google SRE interview and struggling with the debugging portion. Not the knowledge - I knew the commands, I'd fixed real incidents at work. The problem was practicing under interview conditions: thinking out loud, explaining your reasoning, having someone challenge your approach. I started using Claude in the terminal to simulate it. I'd describe a scenario, ask it to act as a broken server, and practice talking through my debugging process. After a few weeks I realized I was spending more time setting up the prompts than actually practicing. I had this whole system - hidden server states, clue tracking, difficulty levels - and it hit me: this should just be a tool. I looked at what already existed. SadServers makes you type exact co

OAuth 2.0 Flows Demystified: Authorization Code, PKCE, and Client Credentials
OAuth 2.0 Is Not Authentication OAuth 2.0 is an authorization framework. It answers: "Can application X access resource Y on behalf of user Z?" OpenID Connect (OIDC) layers authentication on top: "Who is this user?" Most developers use both without realizing it. The Four Flows 1. Authorization Code Flow (Web Apps) The standard flow for web applications with a backend. Browser → Your App → GitHub/Google ("Allow access?") → Your App (with code) → Exchange code for token // Step 1: Redirect user to provider app . get ( ' /auth/github ' , ( req , res ) => { const state = generateRandomString ( 16 ); // CSRF protection req . session . oauthState = state ; const params = new URLSearchParams ({ client_id : process . env . GITHUB_CLIENT_ID ! , redirect_uri : ` ${ process . env . APP_URL } /auth/gi

PgBouncer: Database Connection Pooling That Actually Scales
Why Your Database Runs Out of Connections PostgreSQL handles each connection with a dedicated OS process. At 100 connections, it's using 100 processes. At 500, memory is exhausted and queries slow to a crawl. Node.js apps compound this—each serverless function instance wants its own connection pool. PgBouncer sits between your app and PostgreSQL, multiplexing hundreds of app connections onto a small number of real database connections. App instances (500 connections) → PgBouncer → PostgreSQL (20 connections) PgBouncer Modes Session Mode One database connection per client connection. Same as no pooling. pool_mode = session Use only for compatibility. Provides no real benefit. Transaction Mode Database connection is released back to the pool after each transaction. pool_mode = transaction Th
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What Gemma 4's multi-token prediction head actually means for your eval pipeline
Gemma 4 dropped with a multi-token prediction (MTP) head and immediately every benchmark thread on r/LocalLLaMA and r/MachineLearning filled up with MMLU scores, HumanEval numbers, and throughput charts. Most of those benchmarks are not measuring what the MTP head actually changes. Here's what's actually happening, and what it means if you're running your own eval pipeline. What MTP actually is Standard autoregressive generation predicts one token at a time. At each step, the model outputs a probability distribution over the vocabulary, samples a token, appends it, and repeats. Multi-token prediction trains an additional head to predict multiple future tokens simultaneously. The core model still generates token-by-token at inference time, but the MTP head is used during training as an auxi


Anthropic Accidentally Exposes Claude Code Source via npm Source Map File
Anthropic's Claude Code CLI had its full TypeScript source exposed after a source map file was accidentally included in version 2.1.88 of its npm package. The 512,000-line codebase was archived to GitHub within hours. Anthropic called it a packaging error caused by human error. The leak revealed unreleased features, internal model codenames, and multi-agent orchestration architecture. By Steef-Jan Wiggers



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