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. Validate and Verify Emails With the mailboxlayer API

    Validate and Verify Emails With the mailboxlayer API

    Tutorial • Beginner

    Email is the primary form of communication with your customers, and you need tools to help alleviate email's inherit issues. By using mailboxlayer, your...

  2. Scrape Search Engine Result Pages in Real Time With Zenserp

    Scrape Search Engine Result Pages in Real Time With Zenserp

    Tutorial • Beginner

    This tutorial will show you how to use the Zenserp API to easily search pages from popular search engines in real time.

  3. How to Hash and Decrypt With MD5 in JavaScript

    How to Hash and Decrypt With MD5 in JavaScript

    Tutorial • Beginner

    In this article, we’ll discuss how you can use JavaScript to create an MD5 hash of a string, salt it, validate it, and decrypt it.

  4. 25 Best Android App Mockup Generators

    25 Best Android App Mockup Generators

    Tutorial • Beginner

    App mockups are customizable templates with placeholder images. You just need to replace the placeholder image on the mockup with a screenshot of your own app.

  5. 8 Best iOS News App Templates

    8 Best iOS News App Templates

    Tutorial • Beginner

    Are you interested in building a news app for you or your clients? News app templates get you up and running quickly because all the programming has been...

  6. 15+ Best iOS Game Templates

    15+ Best iOS Game Templates

    Tutorial • Beginner

    Have a great idea for an iOS game but are turned off by the hours of tedious work involved in bringing your concept to life? The good news is that getting...

  7. Why You Should Be Using PHP's PDO for Database Access

    Why You Should Be Using PHP's PDO for Database Access

    Tutorial • Intermediate

    Many PHP programmers learned how to access databases by using either the MySQL or MySQLi extensions. Since PHP 5.1, there's a better way. PHP Data Objects...

  8. How to Use PHP error_reporting For Easier Debugging

    How to Use PHP error_reporting For Easier Debugging

    Tutorial • Beginner

    Today, we’ll see how you can use the error_reporting function in PHP for debugging purposes.

  9. Data Extraction at Scale With Zenscrape

    Data Extraction at Scale With Zenscrape

    Tutorial • Beginner

    This tutorial will show you how to use Zenscrape to extract data at scale from any website you like, without worrying about getting blocked. All with an...

  10. How to Use Optional Function Parameters in JavaScript

    How to Use Optional Function Parameters in JavaScript

    Tutorial • Beginner

    In this article, we’ll discuss how to use optional function parameters in JavaScript. You'll see three different methods, and learn how to choose the right...

  11. How to List Files in a Directory in PHP

    How to List Files in a Directory in PHP

    Tutorial • Beginner

    In this article, you'll learn how to get a list of all the files in a directory in PHP. I'll show you five different methods and explain the advantages of each.

  12. 20 Best Mobile App Promo Video Templates

    20 Best Mobile App Promo Video Templates

    Tutorial • Beginner

    Are you looking for a high-quality app promo video template to promote your mobile app? App promo video templates will save you time and money. 

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