Code Tutorials

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.

All Code tutorials:

  1. How to Make a Drop-Down Menu in WordPress

    How to Make a Drop-Down Menu in WordPress

    Tutorial Beginner

    Learn how to code a menu with multiple-level items that drop down when the user hovers over higher-level menu items.

  2. Read a File Line by Line With PHP

    Read a File Line by Line With PHP

    Tutorial Beginner

    This tutorial will show you two different methods for reading a file line by line with PHP: the file() function and the fgets() function.

  3. What Are Android Intents?

    What Are Android Intents?

    Tutorial Beginner

    Intents are a fundamental topic for Android developers. In this tutorial, I'll teach you about intents from A-Z.

  4. Build Your First JavaScript Library

    Build Your First JavaScript Library

    Tutorial Intermediate

    Ever marveled at the magic of React? Curious about jQuery's gymnastics? In this tutorial, we’re going to sneak behind the scenes and try our hand at building...

  5. Set Up Caching in PHP With the Symfony Cache Component

    Set Up Caching in PHP With the Symfony Cache Component

    Tutorial Intermediate

    Learn about the Symfony Cache component, an easy way to add caching to your PHP applications. This helps improve the overall performance of your application...

  6. 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.

  7. 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...

  8. 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...

  9. 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...

  10. 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...

  11. 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...

  12. 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...