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Discover thousands of free code tutorials to help you learn web and mobile development. You can learn Android app development, master React Native, become a better WordPress developer, and much more.

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  1. 8 Best Free JavaScript Graph Visualization Libraries

    8 Best Free JavaScript Graph Visualization Libraries

    Tutorial Beginner

    This post will give you a brief overview of the features in some of the best free JavaScript graph visualization libraries.

  2. Guide to WordPress Event Calendar and Booking Plugins

    Guide to WordPress Event Calendar and Booking Plugins

    Tutorial Beginner

    WordPress calendar plugins let users make bookings, schedule events, pay for appointments, and more. If your website does any of these things, you need a...

  3. How to Draw Charts Using JavaScript and HTML5 Canvas

    How to Draw Charts Using JavaScript and HTML5 Canvas

    Tutorial Beginner

    For sure you've seen pie charts and doughnut charts on application dashboards, in infographics, in PowerPoint presentations, or in financial reports. But how...

  4. Getting Started With TypeScript

    Getting Started With TypeScript

    Tutorial Beginner

    In this tutorial, we will get started with TypeScript, using simple bite-sized code examples, compiling them into JavaScript, and viewing the instant results...

  5. How to Create a React Native Calendar Component

    How to Create a React Native Calendar Component

    Tutorial Intermediate

    In this tutorial, you'll learn how to create a custom, reusable calendar component using just JavaScript and a few basic components offered by the React...

  6. Android From Scratch: Creating Styles and Themes

    Android From Scratch: Creating Styles and Themes

    Tutorial Beginner

    On Google Play, which hosts well over a million apps today, looks are just as important as functionality, if not more! In this tutorial, you'll learn how to...

  7. Introduction to the Instagram API

    Introduction to the Instagram API

    Tutorial Intermediate

    More than 26% of all online adults use Instagram to post intriguing real-time imagery from around the world, making it an ideal platform for web developers...

  8. Using Passport With Sequelize and MySQL

    Using Passport With Sequelize and MySQL

    Tutorial Intermediate

    Passport.js is a Node.js library used for user authentication. It can be used together with Sequelize—a promise-based Node.js ORM for PostgreSQL, MySQL,...

  9. PHP Case Statement Quick Reference

    PHP Case Statement Quick Reference

    Tutorial Beginner

    In this tutorial, I will show you how to use switch-case in PHP to compare a variable with many different values.

  10. What Are Python Namespaces (And Why Are They Needed?)

    What Are Python Namespaces (And Why Are They Needed?)

    Tutorial Beginner

    In this tutorial, you will learn about namespaces and their importance. You will also learn about different ways of importing an external module in Python...

  11. Create Your First React Native Android App

    Create Your First React Native Android App

    Tutorial Beginner

    You can use React Native to develop applications for Android and iOS devices with a single codebase. React Native powers some of the world's most popular...

  12. 7 Best PDF Invoicing Plugins for WooCommerce and WordPress

    7 Best PDF Invoicing Plugins for WooCommerce and WordPress

    Tutorial Beginner

    Do you want to automate your billing and invoicing process and receive payment faster? WooCommerce and WordPress invoicing plugins allow you to make your...