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. Database Handling in Python: SQLite and Redis

    Database Handling in Python: SQLite and Redis

    Tutorial Intermediate

    Python is wonderfully able to interact with databases, and this is what I'm going to show you in this tutorial. You'll learn how to use Python to handle both...

  2. Learn Java for Android Development: Introduction to Java

    Learn Java for Android Development: Introduction to Java

    Tutorial Beginner

    In this tutorial series, you’ll become familiar with Java, the programming language used to develop Android applications. Our goal is to prepare those...

  3. The Beginners Guide to WooCommerce: Product Tags, Categories & Attributes

    The Beginners Guide to WooCommerce: Product Tags, Categories & Attributes

    Tutorial Beginner

    In previous articles of this series about WooCommerce, we've discussed different settings and their configurations, including the addition of products. Then...

  4. Using Celery With Django for Background Task Processing

    Using Celery With Django for Background Task Processing

    Tutorial Advanced

    Web applications usually start out simple but can become quite complex, and most of them quickly exceed the responsibility of only responding to HTTP...

  5. How to Handle Exceptions in Python

    How to Handle Exceptions in Python

    Tutorial Intermediate

    This tutorial will teach you what exceptions are and how to properly handle exceptions in Python programs.

  6. Bulk Import a CSV File Into MongoDB Using Mongoose With Node.js

    Bulk Import a CSV File Into MongoDB Using Mongoose With Node.js

    Tutorial Beginner

    Learn how to accept a CSV file from a form upload, parse it into a Mongoose Model, and then save it to your MongoDB database.

  7. 10 Best Android App Templates With Maps Integration

    10 Best Android App Templates With Maps Integration

    Tutorial Beginner

    Whether you're running a food take-out, tourism, or ride-sharing business, you need an app. And all these apps will be better with built-in Google Maps! In...

  8. Learn React 18: The Complete React Developer Course

    Learn React 18: The Complete React Developer Course

    Tutorial Beginner

    React is the most popular framework for building user interfaces. In this course you will learn the fundamental concepts you need to start building...

  9. How to Read and Write CSV Files in Python

    How to Read and Write CSV Files in Python

    Tutorial Intermediate

    The CSV format is the most common import and export format for databases and spreadsheets. Learn how to read and write data to a CSV file in Python.

  10. Creating Stylish and Responsive Progress Bars Using ProgressBar.js

    Creating Stylish and Responsive Progress Bars Using ProgressBar.js

    Tutorial Beginner

    This tutorial will teach you how to create simple but stylish progress bars using the ProgressBar.js library.

  11. Writing Custom Queries in WordPress

    Writing Custom Queries in WordPress

    Tutorial Intermediate

    With custom queries, you can make any data reading or manipulation you want. This opens up a world of new possibilities.

  12. Write Professional Unit Tests in Python

    Write Professional Unit Tests in Python

    Tutorial Intermediate

    Unit testing is a software development best practice. In this tutorial, you'll learn what unit tests are, what level of testing is needed, and how to use...