JavaScript

Learn practical React performance optimization techniques, from profiling and state placement to memoization, virtualization, transitions, and React Compiler.

Build a Node.js docs QA assistant that stores technical review rules like product terms, API gotchas, and style rules in Mem0, retrieves relevant rules for a draft, and flags terminology, API, metadata, and style issues.

Learn how to reduce hallucinations in LLM outputs using specific prompts, few-shot examples, prompt constraints, RAG, structured outputs, and validation.

Let's take a quick look at React state, and see why immutability is the key to predictable UI updates.

A deep dive into the mechanics of the Node.js event loop, its execution phases, and practical strategies for scaling asynchronous JavaScript applications gracefully.