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 content:

    1. 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...

    2. 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.

    3. Using the PHP Switch Statement

      Using the PHP Switch Statement

      Tutorial Beginner

      In this article, we’ll discuss the basics of the switch statement in PHP. Along with the syntax of the switch statement, we’ll also go through a couple of...

    4. PHP isset() vs. empty() vs. is_null()

      PHP isset() vs. empty() vs. is_null()

      Tutorial Beginner

      This tutorial will teach you the difference between the PHP isset(), empty() and is_null() functions.

    5. How to Build a Simple REST API in PHP

      How to Build a Simple REST API in PHP

      Tutorial Beginner

      In this tutorial, I'll teach you how to build a simple REST API with PHP and MySQL. You’ll build a simple demo application, which allows you to fetch a list...

    6. Crash Course in the PHP Ternary Operator With Examples

      Crash Course in the PHP Ternary Operator With Examples

      Tutorial Beginner

      In this article, we’ll discuss the ternary operator in PHP. Along with the syntax, we’ll go through a couple of real-world examples to understand how it works.

    7. PHP round, ceil, and floor: Which One to Use?

      PHP round, ceil, and floor: Which One to Use?

      Tutorial Beginner

      In this tutorial, we will learn the difference between the floor(), ceil(), and round() functions in PHP.

    8. Anonymous and Arrow Functions in PHP

      Anonymous and Arrow Functions in PHP

      Tutorial Intermediate

      This tutorial will teach you about the features and uses of anonymous functions in PHP. You'll also learn about the newer arrow function syntax in PHP.

    9. How to Work With Regular Expressions in PHP

      How to Work With Regular Expressions in PHP

      Tutorial Beginner

      In this article, we’ll look at the PHP functions that allow you to use regular expressions to perform search and replace operations on strings.

    10. How to Use Base64 Encoding in PHP

      How to Use Base64 Encoding in PHP

      Tutorial Beginner

      In this quick article, we’ll discuss the basics of base64 encoding in the context of PHP. Basically, we’ll see how to use PHP functions to transform data...

    11. Get the First and Last Elements of an Array in PHP

      Get the First and Last Elements of an Array in PHP

      Tutorial Beginner

      In this tutorial, you will learn about four different PHP functions to quickly get the first and last elements of an array.

    12. Android From Scratch: Using REST APIs

      Android From Scratch: Using REST APIs

      Tutorial Beginner

      In this tutorial, I'm going to show you how to use the classes and methods available in the Android SDK to connect to remote web servers and interact with...