This guide will show you how to use the comma operator in JavaScript. This is a special operator that allows you to compound multiple expressions. The last expression in the chain will be the result that is returned. Read More
In this tutorial, you will learn how to use the empty() function in PHP. This function checks whether a variable exists and has a valid value. This is useful for ensuring you have a valid value. It is especially useful when dealing with arrays. Read More
In this guide, you will learn how to install the Node.js runtime on Ubuntu. Installing this runtime allows you to run JavaScript natively on your device without the need for a web browser. It is especially useful for developing a scalable web backend. Read More
In this tutorial, we will be showing you how to use the ternary operator within the JavaScript language. This conditional operator allows you to run an expression based on whether the specified condition is true or false. Read More
In this tutorial, you will learn how to use bitwise operators in JavaScript. These operators allow you to modify numbers at a binary level. While dealing with binary can be overwhelming for beginners it is relatively straightforward to understand bitwise math. Read More
In this tutorial, you will learn how to use string operators in JavaScript. String operators allow you to append one string to another. JavaScript will even attempt to convert non-strings to a string during concatenation. Read More
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
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
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
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
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
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
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
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
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
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
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
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
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
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