Learn Coding Fundamentals

Become a better developer by mastering the coding fundamentals. From security and testing to OOP and functional programming, you'll learn it all here.

Getting started with Coding Fundamentals

  • HTML & CSS for Beginners (MEGA Free Course!)

    HTML & CSS for Beginners (MEGA Free Course!)

    Adi Purdila
  • All Coding Fundamentals tutorials:

    1. 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.

    2. 8 Best PHP Help-Desk Scripts and 5 Free Options

      8 Best PHP Help-Desk Scripts and 5 Free Options

      Tutorial Beginner

      Are you looking for a reliable PHP help-desk script? Solving issues related to your products on time will lead to happy clients and customers. That in turn...

    3. Create a PHP Login Form

      Create a PHP Login Form

      Tutorial Intermediate

      In this tutorial, you'll learn how to create your own PHP login and registration forms from scratch.

    4. 19 PHP Login and Registration Forms to Download

      19 PHP Login and Registration Forms to Download

      Tutorial Beginner

      By downloading a PHP login and registration script, you can add a registration form to your website that will be secure and look good.

    5. How to Append to a File With PHP

      How to Append to a File With PHP

      Tutorial Beginner

      PHP comes with a lot of functions to read and write data to a file. We can also use a few of them to append data to a file. In this tutorial, you'll learn...

    6. How to Check if a File Exists in PHP

      How to Check if a File Exists in PHP

      Tutorial Beginner

      In this tutorial, I will tell you about different functions that you can use to check the existence of a file in PHP.

    7. Confirm Yes or No With JavaScript

      Confirm Yes or No With JavaScript

      Tutorial Beginner

      In this quick article, we’ll discuss how to display a confirm dialog box using JavaScript. I'll show you two ways: the confirm method and a hidden div.

    8. Understanding PHP Constructors

      Understanding PHP Constructors

      Tutorial Beginner

      In this article, we're going to discuss the basics of constructors in PHP. You'll learn the purpose of PHP constructors and how to use them.

    9. How to Compare Dates in PHP

      How to Compare Dates in PHP

      Tutorial Beginner

      This tutorial will teach you how to compare and calculate the difference between two dates in PHP.

    10. How to Remove a Character From a String in JavaScript

      How to Remove a Character From a String in JavaScript

      Tutorial Beginner

      In this quick article, we’ll see how you can remove a character from a string in JavaScript. I'll show you a few different ways to do this.

    11. Basics of the Java Language

      Basics of the Java Language

      Tutorial Beginner

      Java is the language of the Android mobile OS and is the widely-used for coding Android apps. To use the language and platform with all their glory, you must...

    12. Get Real-Time Exchange Rates With exchangeratesapi

      Get Real-Time Exchange Rates With exchangeratesapi

      Tutorial Beginner

      exchangeratesapi is a RESTful API service that allows customers to query current and historical currency data for most countries worldwide.