DevDojo - Empowering Developers

Generative AI Part 9: Embeddings Explained: Turning Text into Vectors

Generative AI Part 9 banner: text goes into an embedding model and becomes vectors on a meaning map

Learn what embeddings are, how cosine similarity works and how to build a semantic search with OpenAI and Ollama in Python and Node.js. Beginner friendly.

November 9, 2026 by Lokendra AI 0

Generative AI Part 8: Structured Outputs for Reliable JSON from LLMs

Generative AI series Part 8 banner: messy LLM text passes through a JSON Schema and becomes valid JSON

Learn structured outputs for LLMs: get reliable JSON from OpenAI and Ollama using Pydantic and Zod schemas, plus validation and retry in Python and Node.js.

November 8, 2026 by Lokendra AI 1

Node.js 26 LTS: New Features and How to Upgrade Safely

Node.js 26 LTS banner showing the upgrade path from Node.js 22 and 24 to Node.js 26 LTS

Node.js 26 LTS is here. Learn the new features like Temporal, Map.getOrInsert and localStorage, the breaking changes, and how to upgrade safely, step by step.

Node.js Part 3: npm and package.json: Installing and Managing Packages

Node.js Part 3 banner: npm and package.json, installing and managing packages

Learn npm and package.json step by step: install packages, dependencies vs devDependencies, ^ and ~ version ranges, package-lock.json, npm ci and npm scripts.

November 6, 2026 by Lokendra Backend NodeJS 0

React Part 3: Components and Props: Building Reusable UI

React Part 3 banner: an App component passing props down to reusable Card components

Learn React components and props step by step: create reusable components, pass data with props, use children and defaults, and build a ProductCard.

November 6, 2026 by Lokendra Frontend ReactJS 0

DevOps CI/CD Part 3: Git for Teams: Branches, Pull Requests and Trunk-Based Development

DevOps CI/CD Part 3 banner: Git for Teams – branches, pull requests and trunk-based development, with a Git graph of feature branches merging into main

Learn Git for teams: feature branches, pull requests, merge vs squash vs rebase, merge conflicts and trunk-based development for safe, fast CI/CD.

November 4, 2026 by Lokendra DevOps 0

Agentic AI Part 3: Tool Calling for Agents: Letting an LLM Use Your Functions

Agentic AI Part 3 banner: tool calling for AI agents - the LLM requests a tool, your code runs it and returns the result

Learn tool calling for AI agents: let an LLM call your functions with JSON Schema, parallel calls and error handling. Agentic AI series Part 3 with code.

November 3, 2026 by Lokendra AI 0

Generative AI Part 7: How to Stream LLM Responses and Build a Simple Chat UI

Generative AI Part 7 banner: stream LLM responses from OpenAI or Ollama through a Node.js or FastAPI server into a browser chat UI

Learn how to stream LLM responses in Python and Node.js, read Server-Sent Events and build a simple chat UI with memory and a Stop button for Ollama or OpenAI.

November 2, 2026 by Lokendra AI 1

Generative AI Part 6: How to Run LLMs Locally with Ollama

Generative AI Part 6 banner: run LLMs locally with Ollama on localhost:11434 from the terminal, Python and Node.js

Learn to run LLMs locally with Ollama: install it, pull open models, chat in the terminal and call them from Python and Node.js. Free, private and offline.

November 1, 2026 by Lokendra AI 1

React Compiler Tutorial: Stop Writing useMemo and useCallback

React Compiler tutorial banner showing code flowing through the compiler into an automatically memoized app

React Compiler tutorial for beginners: set it up in Vite and Next.js, learn how automatic memoization replaces useMemo and useCallback, and fix common errors.

October 31, 2026 by Lokendra Frontend ReactJS 0