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Tutorials

Step-by-Step Guides to Mastering Code

Latest Tutorial

The Art of Conversation with AI: An Intro to Prompt Engineering
Beginner

The Art of Conversation with AI: An Intro to Prompt Engineering

Learn how to craft effective prompts to get the best possible results from Large Language Models (LLMs). This guide covers the core techniques of prompt engineering, from providing context to iterative refinement.

Building Modern Applications: An Introduction to Microservices
Intermediate
25 min read

Building Modern Applications: An Introduction to Microservices

Discover the microservice architecture that powers today's largest web applications. This guide explains the core concepts, benefits, and challenges of building systems as a collection of small, independent services.

Writing Better Code: An Introduction to SOLID Principles
Intermediate
30 min read

Writing Better Code: An Introduction to SOLID Principles

Go beyond basic OOP and learn the five SOLID principles that are fundamental to writing clean, maintainable, and scalable software. This guide covers each principle with clear explanations and simple Java examples.

The Foundations of Efficient Code: An Intro to Data Structures & Algorithms
Intermediate
30 min read

The Foundations of Efficient Code: An Intro to Data Structures & Algorithms

Learn how to write efficient, scalable, and powerful code by understanding the fundamentals of Data Structures and Algorithms (DSA). This guide covers core concepts like arrays, linked lists, and sorting.

Consistent Environments for All: An Introduction to Docker
Intermediate
25 min read

Consistent Environments for All: An Introduction to Docker

Learn how to package your applications into portable, reproducible containers with Docker. This tutorial covers the core concepts of images, containers, and Dockerfiles, and shows you how to run your first containerized app.

Designing for Scale: An Introduction to System Design
Intermediate
30 min read

Designing for Scale: An Introduction to System Design

Move beyond writing code and learn to build robust, scalable systems. This guide introduces the core concepts of system design, from understanding requirements to choosing the right architectural components.

A Beginner's Guide to Object-Oriented Programming (OOP)
Beginner
25 min read

A Beginner's Guide to Object-Oriented Programming (OOP)

Unlock the power of modern software development by understanding the core principles of Object-Oriented Programming. This guide covers classes, objects, encapsulation, inheritance, and polymorphism with clear, easy-to-understand examples.

Flexible Data Models: An Introduction to NoSQL
Beginner
20 min read

Flexible Data Models: An Introduction to NoSQL

Explore the world beyond relational databases with this beginner-friendly guide to NoSQL. This tutorial covers the core concepts of document databases using MongoDB examples.

Querying Your Data: An Introduction to SQL
Beginner
20 min read

Querying Your Data: An Introduction to SQL

Learn the language of databases with this beginner-friendly guide to SQL. This tutorial covers the essential commands you need to retrieve, insert, and manage data.

Backend Development Made Easy: An Introduction to Spring Boot
Beginner
25 min read

Backend Development Made Easy: An Introduction to Spring Boot

Discover the most popular framework for building robust, enterprise-grade Java applications. This tutorial introduces the core concepts of the Spring Framework and shows you how to build your first web application with Spring Boot.

Production-Ready React: An Introduction to Next.js
Intermediate
25 min read

Production-Ready React: An Introduction to Next.js

Take your React skills to the next level with Next.js. Learn about file-based routing, different rendering methods like SSG and SSR, and how to build fast, production-grade web applications.

Building Interactive UIs: An Introduction to React
Beginner
25 min read

Building Interactive UIs: An Introduction to React

Go beyond static pages and learn to build dynamic, interactive web applications with React. This tutorial covers the core concepts of components, JSX, state, and events.

Styling Your First Web Page: An Introduction to CSS
Beginner
20 min read

Styling Your First Web Page: An Introduction to CSS

Take your HTML5 page to the next level with CSS! Learn how to add colors, change fonts, and control the layout of your website with Cascading Style Sheets.

Your First Steps in Web Development: An Introduction to HTML5
Beginner
15 min read

Your First Steps in Web Development: An Introduction to HTML5

Learn the absolute basics of web development by building your first web page with HTML5. This tutorial covers everything from document structure to semantic tags and forms.

The Language of the Web: An Introduction to JavaScript
Beginner
20 min read

The Language of the Web: An Introduction to JavaScript

Dive into the core programming language of the web. This tutorial introduces the absolute basics of JavaScript, including variables, data types, functions, and how to make your web pages interactive.

Write Once, Run Anywhere: An Introduction to Java
Beginner
25 min read

Write Once, Run Anywhere: An Introduction to Java

Explore one of the most robust and widely-used programming languages in the world. This tutorial covers the core concepts of Java, from setting up your environment to writing your first object-oriented program.

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