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.

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  1. Iterating Over Arrays in JavaScript: 4 Methods Compared

    Iterating Over Arrays in JavaScript: 4 Methods Compared

    Tutorial • Beginner

    This tutorial will teach you different methods of traversing over arrays in JavaScript along with the pros and cons of each.

  2. Working With 2D Arrays in JavaScript

    Working With 2D Arrays in JavaScript

    Tutorial • Beginner

    This tutorial will teach you how to work with 2D arrays in JavaScript including their initialization and creation. You will also learn how to get and set the...

  3. Merge Arrays in JavaScript: With and Without Duplicates

    Merge Arrays in JavaScript: With and Without Duplicates

    Tutorial • Beginner

    In this post, you'll learn how to combine multiple arrays into a single array in JavaScript. This is known as merging arrays. I'll show you the most widely...

  4. PHP Tutorial for Beginners: Free 7-Hour Course

    PHP Tutorial for Beginners: Free 7-Hour Course

    Tutorial • Beginner

    The go-to free course for beginners to learn the fundamentals of PHP programming. Everything from if statements to MySQL in one course.

  5. How to Edit a WordPress Permalink

    How to Edit a WordPress Permalink

    Tutorial • Beginner

    Need to edit your WordPress site permalinks but don't know how? Not sure what to do if you aren't able to edit your website's permalinks?

  6. Generate Random Numbers and Strings in JavaScript

    Generate Random Numbers and Strings in JavaScript

    Tutorial • Beginner

    This tutorial will teach you how to generate random numbers and alphanumeric strings in JavaScript in a cryptographically secure manner.

  7. Read and Create Cookies in JavaScript

    Read and Create Cookies in JavaScript

    Tutorial • Beginner

    Cookies are basically small pieces of text that contain some information relevant to you or the website you are visiting. This tutorial will show you how to...

  8. Canny Edge Detector Using Python

    Canny Edge Detector Using Python

    Tutorial • Beginner

    This tutorial shows how we can implement the Canny edge detector using Python, through the scikit-image and OpenCV libraries.

  9. How to Build a REST API With Laravel

    How to Build a REST API With Laravel

    Tutorial • Beginner

    There are a lot of moving pieces to coding a RESTful API, but Laravel makes it a lot easier. In this free course, you'll learn everything you need to know to...

  10. 8 Best PHP CRUD Generators and Frameworks on CodeCanyon

    8 Best PHP CRUD Generators and Frameworks on CodeCanyon

    Tutorial • Beginner

    Database code is repetitive, but very important to get right. That's where PHP CRUD generators and frameworks come in—they save you time by automatically...

  11. Best Ways to Preload Images Using JavaScript, CSS, and HTML

    Best Ways to Preload Images Using JavaScript, CSS, and HTML

    Tutorial • Beginner

    This tutorial will show you three different methods of preloading images. We will also learn the pros and cons of these methods.

  12. 19 Best HTML5 and JavaScript Game Engines and Templates

    19 Best HTML5 and JavaScript Game Engines and Templates

    Tutorial • Beginner

    Do you want to code an online game? You're in luck—this is a great time for any online game developer and those aspiring to be online game developers. HTML5...

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