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Node.js Part 2: Modules in Node.js: ES Modules, CommonJS and import/export

Node.js Part 2 banner: Node.js modules, ES Modules vs CommonJS with import, export and require

Learn Node.js modules step by step: ES Modules vs CommonJS, import and export, require and module.exports, .mjs vs .cjs, and how to mix both safely.

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October 30, 2026 by Lokendra Backend NodeJS 0

DevOps CI/CD Part 2: Linux and Shell Basics Every DevOps Engineer Needs

DevOps CI/CD Part 2 banner: Linux and shell basics for DevOps – files, permissions, pipes, processes, environment variables and scripts

Learn Linux for DevOps: essential shell commands, file permissions, pipes, environment variables, exit codes and safe bash scripts you can run in CI/CD.

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October 30, 2026 by Lokendra DevOps 0

React Part 2: JSX Explained: Writing HTML-Like Code in JavaScript

React Part 2 banner: JSX code turning into a jsx() call and then a heading on the page

Learn JSX in React with simple examples: curly braces, className, fragments, style objects and the common JSX errors beginners make, with runnable code.

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October 30, 2026 by Lokendra Frontend ReactJS 0

Agentic AI Part 2: Anatomy of an AI Agent: Models, Tools, Instructions and Memory

Agentic AI Part 2 banner: anatomy of an AI agent with model, tools, instructions and memory around the agent loop

Learn the anatomy of an AI agent: models, tools, instructions and memory, with runnable Python and Node.js code. Agentic AI series Part 2 for beginners.

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October 27, 2026 by Lokendra AI 0

Generative AI Part 5: Temperature and Top-p for Controlling Model Output

Generative AI Part 5 banner: temperature, top-p, max tokens and stop sequence dials controlling LLM output

Learn temperature and top-p for LLMs: how sampling works, plus top-k, max tokens, stop sequences and which GPT-6 and Claude models accept them, with code.

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October 26, 2026 by Lokendra AI 0

Generative AI Part 4: Prompt Engineering Basics with Roles, Instructions and Examples

Generative AI Part 4 banner: prompt engineering basics with developer rules, user question and examples flowing into an LLM

Learn prompt engineering basics: system and user roles, clear instructions, XML tags, few-shot examples and prompt templates, with Python and Node.js code.

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October 25, 2026 by Lokendra AI 1

DuckDB 2.0 Tutorial: Fast SQL on CSV, Parquet and JSON in Python and Node.js

DuckDB 2.0 tutorial banner: CSV, Parquet and JSON files flowing into an in-process SQL engine

DuckDB tutorial for beginners: install DuckDB 2.0, query CSV, Parquet and JSON with SQL in Python and Node.js, and learn what changed in the 2.0 release.

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October 25, 2026 by Lokendra Databases Python 0

Node.js Part 1: What Is Node.js and How to Build Your First Node.js App

Node.js Part 1 banner: What Is Node.js? Your First Node.js App, with the event loop handling files, network and database

What is Node.js? Learn how Node.js runs JavaScript on the server, how the event loop works, and build your first Node.js app and web server step by step.

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October 23, 2026 by Lokendra Backend NodeJS 1

React Part 1: What Is React and How to Build Your First React App

React series Part 1: What Is React? Your First React App, with a React atom and a component tree on a dark navy background

What is React? Learn React in simple words: components, JSX, state and the virtual DOM, then build your first React app with Vite, step by step.

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October 22, 2026 by Lokendra Frontend ReactJS 1

DevOps CI/CD Part 1: What Is DevOps and How Does CI/CD Work?

DevOps CI/CD series Part 1 banner: what is DevOps and how CI/CD works, with the DevOps infinity loop and a git push to deploy pipeline

What is DevOps? Learn DevOps and CI/CD in simple words: the DevOps lifecycle, CI vs CD, pipeline basics, and build your first GitHub Actions pipeline.

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October 21, 2026 by Lokendra DevOps 1
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Lokendra Prajapati
👋 Hi, I'm Lokendra Prajapati, the developer behind DevDojo 🥋! I write simple, practical tutorials on 🤖 AI, ⚛️ React, ▲ Next.js, 🟢 Node.js and 🐍 Python, with new posts every day to help you learn and build faster. 🚀
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  • Node.js Part 2 banner: Node.js modules, ES Modules vs CommonJS with import, export and require

    Backend / NodeJS

    Node.js Part 2: Modules in Node.js: ES Modules, CommonJS and import/export

    October 30, 2026

  • DevOps CI/CD Part 2 banner: Linux and shell basics for DevOps – files, permissions, pipes, processes, environment variables and scripts

    DevOps

    DevOps CI/CD Part 2: Linux and Shell Basics Every DevOps Engineer Needs

    October 30, 2026

  • React Part 2 banner: JSX code turning into a jsx() call and then a heading on the page

    Frontend / ReactJS

    React Part 2: JSX Explained: Writing HTML-Like Code in JavaScript

    October 30, 2026

  • Agentic AI Part 2 banner: anatomy of an AI agent with model, tools, instructions and memory around the agent loop

    AI

    Agentic AI Part 2: Anatomy of an AI Agent: Models, Tools, Instructions and Memory

    October 27, 2026

  • Generative AI Part 5 banner: temperature, top-p, max tokens and stop sequence dials controlling LLM output

    AI

    Generative AI Part 5: Temperature and Top-p for Controlling Model Output

    October 26, 2026

  • JavaScript

    Mastering JavaScript Promises: A Guide to Asynchronous Programming

    August 12, 2024

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

    AI

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

    October 18, 2026

  • Build an MCP Server in TypeScript – diagram of an AI app connecting to an MCP server with database, GitHub API and files

    AI / Backend / NodeJS

    How to Build an MCP Server in TypeScript (2026 Step-by-Step Guide)

    October 3, 2026

  • Python 3.15 new features banner: lazy imports, frozendict, UTF-8 default, Tachyon profiler and sentinel

    Backend / Python

    Python 3.15 New Features: Lazy Imports, frozendict & More

    October 5, 2026

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

    AI / General

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

    October 16, 2026

  • Node.js Modules: ES Modules vs CommonJS Explained says:
    […] you should know first: read Node.js Part 1: What Is...
  • Linux for DevOps: Shell Basics Every Engineer Needs says:
    […] you should know first: read Part 1: What Is DevOps...
  • JSX in React Explained: Rules, Examples and Mistakes says:
    […] Is React and How to Build Your First React App.
  • JSX in React Explained: Rules, Examples and Mistakes says:
    […] you should know first: read React Part 1: What Is...
  • Anatomy of an AI Agent: Models, Tools, Instructions, Memory says:
    […] you should know first: read Agentic AI Part 1: What...
  • Agentic AI AI Agents AI for Beginners Backend Development CI/CD CommonJS CSS Cursor Developer Productivity DevOps DevOps for Beginners Docker DuckDB ES Modules Event Loop Frontend Tutorial Generative AI GitHub Actions GitHub Copilot JavaScript JSX kubectl Kubernetes Linux Commands LLM Node.js Node.js for Beginners Ollama OpenAI API PostgreSQL Python React React for Beginners ReactJS Series: Agentic AI Series: DevOps CI/CD Series: Generative AI Series: Node.js Series: React SQL Tailwind CSS Tool Calling TypeScript Vite Web Design
  • Node.js Part 2 banner: Node.js modules, ES Modules vs CommonJS with import, export and require

    Backend / NodeJS

    Node.js Part 2: Modules in Node.js: ES Modules, CommonJS and import/export

    October 30, 2026

  • DevOps CI/CD Part 2 banner: Linux and shell basics for DevOps – files, permissions, pipes, processes, environment variables and scripts

    DevOps

    DevOps CI/CD Part 2: Linux and Shell Basics Every DevOps Engineer Needs

    October 30, 2026

  • React Part 2 banner: JSX code turning into a jsx() call and then a heading on the page

    Frontend / ReactJS

    React Part 2: JSX Explained: Writing HTML-Like Code in JavaScript

    October 30, 2026

  • Agentic AI Part 2 banner: anatomy of an AI agent with model, tools, instructions and memory around the agent loop

    AI

    Agentic AI Part 2: Anatomy of an AI Agent: Models, Tools, Instructions and Memory

    October 27, 2026

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