Courses JavaScript React Python MySQL TypeScript Compiler

Courses JavaScript React Python MySQL TypeScript Golang LangChain Compiler

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Courses JavaScript React Python MySQL TypeScript Go LangChain JS Compiler Python Compiler

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Seven courses, 216 short lessons, all free. Pick a course to start from the beginning, or search for the exact topic you are stuck on.

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JavaScript React Python MySQL TypeScript Golang LangChain

JavaScript

The language of the web. Start here if you are brand new.

48 lessonsBeginner

0 of 48 done

1Introduction to JavaScript 2History of JavaScript 3Applications of JavaScript 4JavaScript Statements 5JavaScript Syntax and Keywords 6JavaScript Variables 7let, const, and var 8Hoisting 9JavaScript Comments 10Operators 11Arithmetic Operators 12Assignment Operators

React

Build interactive UIs with components, props, state, and hooks.

30 lessonsBeginner

0 of 30 done

1Introduction to React 2Why React 3Setup and Your First App 4JSX 5Expressions in JSX 6Function Components 7Props 8Children 9Styling Components 10Events 11State with useState 12Updating State Correctly

Python

Readable syntax for scripts, data and backends.

30 lessonsBeginner

0 of 30 done

1Introduction to Python 2History of Python 3Applications of Python 4Python Syntax Basics 5Python Variables 6Python Data Types 7Numbers 8Strings 9String Methods 10Booleans 11Lists 12List Methods

MySQL

Store and query data with SQL. Tables, joins, and real examples.

30 lessonsBeginner

0 of 30 done

1Introduction to MySQL 2What is a Database 3Install MySQL 4Workbench and the CLI 5Databases and Tables 6MySQL Data Types 7CREATE DATABASE 8CREATE TABLE 9INSERT INTO 10SELECT 11WHERE 12AND, OR, NOT

TypeScript

JavaScript with types, for apps that do not break.

28 lessonsIntermediate

0 of 28 done

1Introduction to TypeScript 2Why TypeScript 3TypeScript Setup 4Basic Types 5Variables with let and const 6Arrays and Tuples 7Object Types 8Interfaces 9Type Aliases 10Unions and Literal Types 11Enums 12Functions

Golang

Simple, fast, and built for many things at once.

25 lessonsIntermediate

0 of 25 done

1Introduction to Go 2History of Go 3Applications of Go 4Packages and Hello World 5Variables 6Constants 7Basic Types 8Strings 9Arrays 10Slices 11Maps 12Operators

LangChain

Build AI apps in Python: prompts, chains, agents and RAG.

25 lessonsIntermediate

0 of 25 done

1Introduction to LangChain 2What is an LLM?3Setting Up LangChain 4Your First Chat Model Call 5Messages: System, Human, AI 6Prompt Templates 7Output Parsers 8Chains with the Pipe (LCEL)9Streaming Answers 10Runnables: Passthrough, Lambda, Parallel 11Chat History and Memory 12Structured Output