Posts by Emmet

In this guide, we will be showing you the various logical operators supported by JavaScript. A logical operator works based on the operands "true" or "false value. You can use these to inverse a logical result or check if multiple operands are true. Read More

JavaScript Comparison Operators

This guide will teach you how to use comparison operators within JavaScript. These operators are crucial to writing useful conditional statements. A comparison operator allows you to compare two values easily. Read More

JavaScript Assignment Operators

In this tutorial, you will learn how to use assignment operators in JavaScript. These operators are what allow you to assign a value to a variable. You can even adjust the value of a variable by performing various arithmetic. Read More

JavaScript Arithmetic Operators

In this guide, we walk you through the arithmetic operators supported by JavaScript. These operators allow you to modify any numerical value easily. Using arithmetic operators, you can easily perform most basic math within JS. Read More

Using the isset() Function in PHP

Learn how to use the isset() function in PHP. This function allows you to check if a variable has been declared or has a non-null value. It is a powerful function that allows you to ensure required data exists, especially when dealing with arrays. Read More

Using the Ternary Operator in PHP

This tutorial teaches you how to use the ternary operator in PHP. This operator sets a value based on whether a condition is true or false. It allows you to write cleaner and more concise code by avoiding bloated if...else statements. Read More

How to Flush the DNS Cache on Ubuntu

In this tutorial you will learn how to flush the DNS cache on Ubuntu 18.04, 20.04, 22.04 and newer. The DNS cache is what helps accelerate DNS requests on your system. Clearing the DNS cache can help with badly cached requests. Read More

Using the switch Statement in JavaScript

This tutorial will teach you how to use switch statements in JavaScript. A switch allows you to execute different code based on the provided expression. Furthermore, it allows you to greatly simplify if...else chains that evaluate the same value. Read More

How to Decode and Encode Base64 Strings in PHP

This guide will teach you how to decode and encode a string using Base64 in PHP. While initially designed to encode binary data for sending through text-based protocols such as email, it has a variety of other uses. Read More

How to change DNS settings on Ubuntu

This guide will teach you how to set the DNS servers on the Ubuntu operating system. A DNS server is what helps translate a domain name to an IP address. Changing the servers your connection uses is a straightforward process. Read More

Using the basename() Function in PHP

In this tutorial, you will learn how to use the basename() function in PHP. This function allows you to get the trailing component of a given path. A trailing component is what is referred to as the basename of a path. Read More

Controlling a loop with the break statement in JavaScript

Learn how to use the break statement within JavaScript. This statement helps you control the flow of the current flow by allowing you to break out of it. Break is also a crucial part of how the switch statement is utilized in JS. Read More

Using the break Statement in PHP

In this guide, you will learn how to use the break statement in PHP. This statement allows you to break out of the currently running loop. In addition to being used to control loops, it is also an essential part of the switch structure. Read More

How to use the ping Command on Ubuntu

In this guide, we will show you how to use the ping command on Ubuntu. This tool helps you check network connectivity from your device. You can even use this tool to check the latency between your device and the destination server. Read More

Using the continue Statement in JavaScript

In this tutorial, we will show you how to use the continue statement in JavaScript. This statement allows you to control the flow of loops by jumping back to start of the loop. This is useful when you want to skip the current loop iteration. Read More

How to use the substr() Function in PHP

In this tutorial, you will learn how to use the substr() function in PHP. This function allows you to take a string and only return part of it. It is useful when you need to split a string into a smaller part. Read More

Writing a for…of Loop in JavaScript

In this tutorial, we will show you how to write and use for...of loops within JavaScript. This type of loop is perfect for iterating over arrays and other iterable objects. All modern browsers feature support for the for...of loop. Read More

Installing qBittorrent on Ubuntu

In this tutorial, you will learn how to install qBittorrent on Ubuntu. This software is one of the most popular torrent clients available. qBittorrent is lightweight and fast while also being packed with features. Read More

Check if String is a Number in PHP using is_numeric()