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This article details how to build a secure AI-powered pull request reviewer using JavaScript, Claude, and GitHub Actions. It focuses on critical security aspects like sanitizing untrusted diff input, validating probabilistic LLM output with Zod, and employing fail-closed mechanisms to ensure robustness and prevent vulnerabilities.

This article demonstrates how to build a browser-based image converter using JavaScript, leveraging client-side APIs to ensure fast, private, and efficient image processing. It covers setting up a basic HTML interface, reading local files with `FileReader`, converting images via the `Canvas` API's `toDataURL` method, and enabling direct downloads. The guide also discusses practical considerations like handling large images, controlling JPEG quality, and ensuring robust input validation.

Building a robust screen recording and sharing platform, akin to Loom, presents a unique set of technical challenges. From capturing media efficiently in the browser to managing complex video encoding, streaming, and