DevDojo - Empowering Developers

Generative AI Part 2: Tokens, Context Windows and Model Parameters

Generative AI series Part 2 banner: text becomes tokens, tokens fill the context window, and an 8B-parameter LLM processes them

Learn what tokens, the LLM context window and model parameters mean, with Python and Node.js code to count tokens, trim chat history and estimate memory.

October 18, 2026 by Lokendra AI 0

Generative AI Part 1: What Is Generative AI and How Do LLMs Work?

What is generative AI – Generative AI series Part 1 banner showing a prompt turning into tokens, an LLM and generated text

What is generative AI? Learn how LLMs work through next-token prediction, tokens and training, then run your first Python, Node.js and free local model code.

October 18, 2026 by Lokendra AI 1

Tailwind CSS v4 Tutorial: Setup, @theme and Upgrading from v3

Tailwind CSS v4 tutorial banner showing @import "tailwindcss" and an @theme block flowing into the Tailwind engine

Learn Tailwind CSS v4 step by step: install with Vite or Next.js, customize with @theme, add dark mode, and upgrade from v3 without breaking your design.

October 18, 2026 by Lokendra Frontend 0

Kubernetes Tutorial for Beginners: Deploy a Node.js App Step by Step

Kubernetes tutorial for beginners banner showing a Service sending traffic to three running Pods

This Kubernetes tutorial for beginners shows you how to create a local cluster with kind, deploy a Node.js app, then scale, update and debug it.

October 18, 2026 by Lokendra DevOps NodeJS 0

AGENTS.md Guide: How to Write Instructions for AI Coding Agents

AGENTS.md guide banner: one instructions file shared by Codex, Cursor, Copilot and Gemini CLI

Learn what AGENTS.md is, how AI coding agents like Codex, Cursor and Copilot read it, and how to write one with real examples, nested files and best practices.

October 16, 2026 by Lokendra AI General 1

FastAPI Tutorial: Build a REST API in Python Step by Step

FastAPI tutorial banner: a request flows from a client through FastAPI validation to a SQLModel database and returns JSON

Learn FastAPI step by step: build a CRUD REST API in Python with Pydantic validation, SQLModel and SQLite, automatic docs, pytest tests and deployment tips.

October 15, 2026 by Lokendra Backend FastAPI Python 0

CSS Anchor Positioning Tutorial: Tooltips and Menus Without JavaScript

CSS anchor positioning tutorial banner showing a button anchor with an attached tooltip, dropdown menu and card

Learn CSS anchor positioning step by step: build tooltips, dropdown menus and popovers without JavaScript using position-area, anchor() and flip fallbacks.

October 14, 2026 by Lokendra Frontend 0

Node.js Interview Questions and Answers: Event Loop, Async and More

Node.js interview questions banner showing the event loop connected to async/await, streams, workers and modern Node

Prepare for your next job with these Node.js interview questions and answers: event loop, async/await, streams, worker threads and modern Node, with code.

October 12, 2026 by Lokendra Backend Interview Questions NodeJS 0

Docker Compose Tutorial: Run Node.js, PostgreSQL and Redis Together

Docker Compose tutorial banner showing Node.js API, PostgreSQL and Redis containers in one Compose network

Docker Compose tutorial for beginners: run a Node.js API, PostgreSQL and Redis together with one compose.yaml file, health checks, volumes and live reload.

October 10, 2026 by Lokendra Backend DevOps NodeJS 0

PostgreSQL 19 New Features: A Practical Guide for Developers

PostgreSQL 19 new features banner showing REPACK, DO SELECT, WAIT FOR LSN, graph queries and partitions

Explore PostgreSQL 19 new features with runnable examples: REPACK CONCURRENTLY, ON CONFLICT DO SELECT, WAIT FOR LSN, GROUP BY ALL and key upgrade tips.

October 9, 2026 by Lokendra Backend Databases 0