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.

Our expert instructors have been sharing their coding skills and knowledge with the community for over a decade, so explore our library and you’re sure to find what you need. Swift or Android, JavaScript or PHP—it’s all here.

Work your way through these free tutorials at your own pace, and become a better developer step by step. What would you like to learn?

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REST vs. gRPC: Battle of the APIs
The REST API has been a pillar of web programming for a long time. But recently gRPC has started encroaching on its territory. It turns out there are some...
Gigi Sayfan
21 Mar 2023
REST API
Get Started With Firebase for Android
Creating a back-end server requires a skill set that most independent app developers lack. Fortunately, there's Firebase, a cloud-based platform that...
Ashraff Hathibelagal
1 Mar 2023
Android SDK
How to Begin With Test-Driven Development in Python
In this tutorial, I will introduce the core concepts of TDD and will provide examples in Python, using the nosetests unit-testing package. I will...
David Sale
28 Feb 2023
Python
Sanitize and Validate Data With PHP Filters
Data validation is an integral part of working with forms. Not only can invalid submitted data lead to security problems, but it can also break your webpage....
Sajal Soni
28 Feb 2023
PHP
7 Best jQuery Flipbook Plugins Compared (Free and Paid)
A jQuery flipbook plugin displays your images, document files, or any other text on your site. Here are some great free and paid JavaScript flipbooks that...
Esther Vaati
28 Feb 2023
jQuery
Best AMP Plugins for WordPress Compared
Do you want to create a mobile-friendly version of your WordPress website so it can load instantly on mobile phones? The solution is to create an AMP version...
Franc Lucas
28 Feb 2023
WordPress
Getting Started With Android Studio
This tutorial will help you get started with Android Studio by giving you a brief overview of the application and linking to more detailed tutorials wherever...
Nitish Kumar
28 Feb 2023
Mobile Development
Best Free WordPress Promo and Notification Bar Plugins
Notification bars or promo bars provide an easy way for website owners to grab the attention of viewers. This post will give you a review of some of the best...
Monty Shokeen
27 Feb 2023
WordPress
Introduction to Forms in Angular: Template-Driven Forms
In Angular, you can build forms with a template-driven or a model-driven approach. Here you'll learn to create template-driven forms using Angular.
Manjunath M
27 Feb 2023
Angular
15 Best PHP Event Calendar and Booking Scripts... and 3 Free Options
Discover 15 of the best PHP calendar scripts. Whether you need an appointment booking script, an event calendar script, or a PHP calendar reservation system,...
Monty Shokeen
27 Feb 2023
PHP
Timing Events in JavaScript: setTimeout and setInterval
JavaScript timing events are used to run code at a specific time or after a specific period of time. These events are frequently used in web development for...
Juliet Ofoegbu
26 Feb 2023
JavaScript
13 Best HTML5 Game Templates of 2023 With Source Code
Do you want to build fun online games for desktop and mobile devices? HTML5 has quickly become the universal platform for creating browser-based games for...
Franc Lucas
26 Feb 2023
HTML5