Practical tech writing for people who build

Latest articles

• Is LlamaIndex the Easiest Way to Build RAG? (RAG Part 10)

  Learn LlamaIndex RAG in Python: load files into nodes, build and save a vector index, then query, chat and run an agent over your own documents.

• Claude Fable 5.2 Tops the Charts at 20% Less: Will Your Code Break?

  Anthropic's Claude Fable 5.2 is No. 1 on Artificial Analysis and 20% cheaper, but four API changes can break your code. Here's what to fix before you switch.

• If, Else or Switch: How Does Java Decide? (Java Part 12)

  Learn Java control flow: if, else-if chains, logical operators, the ternary operator, classic switch, arrow switch expressions, yield and pattern matching.

• Can You Build a Working MCP Server in 15 Minutes? (MCP Part 1)

  MCP in 5 minutes, then build and test your first MCP server in TypeScript: two tools, a resource, a scripted client and MCP Inspector, with real output.

• Is Apple's Touchscreen MacBook Pro Worth the Extra $400?

  MacBook Pro with PROLED XDR Display review: tandem OLED, touch, a 3 lb 14-inch and a $400 premium. Who should buy it, and who should keep the mini-LED model.

• Why Do Interviewers Always Start With Arrays? (DSA Part 1)

  Arrays explained for beginners: contiguous memory, O(1) index access, O(n) insert and delete, Java arrays vs ArrayList vs Python lists, plus practice problems.

• Did 'Don't Ask Again' Just Put Your Database Password on GitHub?

  Apiiro found 1,122 public Claude Code settings files holding 1,379 secrets after Don't Ask Again saved full commands. Here's how to check and rotate.

• Is Your API Key Already Public? How to Stop Secret Leaks

  How API keys leak through git, CI logs, bundles and AI agents, and how to stop it with gitleaks, push protection, OIDC and a tested incident playbook.

• Can Your Laptop Run Its Own LLM? A Practical Ollama Guide

  Run LLMs locally with Ollama: install on Windows, macOS or Linux, call the API on port 11434, write a Modelfile, and pick a model your hardware can handle.

• Is Claude Code Handing Your Email to Every Site It Visits?

  Claude Code put signed-in users' emails into User-Agent headers. Sites logged them; scam mail followed. Anthropic shipped a narrow fix—here's what still leaks.

• Has AI Outgrown Git? OpenAI's Pando Cuts Push Latency Nearly 5x

  OpenAI rebuilt its Git backend as Codex agents flooded its monorepo. Pando cut median push latency nearly 80%, and your git commands don't change. Here's how.

• Still Resending Every Chat Turn to Claude? Message Threads Cut the Wait

  Anthropic's new message threads beta lets Claude agents send only new messages each turn, cutting time to first token by about 35% on huge sessions. Here's how.

• Trigger.dev Breach Exposes Env Vars: Are Your Secrets Already Out?

  Trigger.dev says an attacker got into environment variables for a subset of organizations. Here's what leaked, what's still unknown, and what to rotate now.

• DeepSeek's Super-Agent Reads Your Team Chat. Should It Write Your PRs?

  DeepSeek open-sourced Super-Agent, an MIT-licensed coding agent that takes requests from GitHub and Feishu and answers with pull requests. Here's how it works.

• Can You Trust an AI-Built Database? Jepsen Found 96 Bugs in ParticleDB

  Jepsen found 96 bugs in ParticleDB, an AI-focused database built with LLM help, and told users to stop deploying it. Here's what broke and why it matters.

• Northflank Breach Exposes AI Keys: Have You Rotated Your Secrets Yet?

  Northflank told customers to assume their environment variables were decrypted after stolen AI API keys were abused. Here's what happened and what to rotate.