In R, there’s a built-in function names() you can use to get or set the values of an R object. For example, you can set the names of list elements or the names of the columns in a data frame. This comprehensive guide teaches you how to use the names() function with a bunch of […]
The names() Function in R: A Complete Guide (with Examples) Read More »
This is a comprehensive list of the popular terms and definitions programmers and software developers use. You can benefit from reading this article if you: This list is in alphabetical order. Abstraction Abstraction means removing the characteristics of something. The goal of abstraction is to reduce complexity. In programming, abstraction is a commonly used technique.
Programming Glossary: 107+ Coding Terms & Definitions (2023) Read More »
In JavaScript, the dollar sign ($) and underscore (_) are both identifiers—similar to any other name, like myCar or houseAge. You can use a dollar sign or underscore to identify objects, such as: Thus, the dollar sign and underscore are not treated like other special symbols (such as the dot) in JavaScript. The dollar sign
JavaScript Dollar Sign ($) and Underscore (_) Explained Read More »
The binary number system is a numeral system that only knows 0 and 1. In the “traditional” decimal system, there are ten primitive number characters to use: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. When you count the numbers, you have to reuse the primitive numbers after reaching 9. This is because
Binary Number System: How Does It Work? [Complete Guide] Read More »
Hex color is one way to represent colors on a computer. In the hex color, each color has three hexadecimal components in format #RRGGBB, where: The RR, GG, and BB components range from 00 to FF. In other words, the color components can have numeric values from 00 to 99. And because 9 is the
What Are Hex Colors: An Ultimate Guide & Examples Read More »
The easiest way to return multiple values in JavaScript is by returning an array of multiple elements. Then, you can access the returned values like this: If you were looking for a quick answer, then there you have it! But to write clean code, the above isn’t always the best way to return two values.
JavaScript How to Return Multiple Values? (Examples & Theory) Read More »
To get the current URL of the page you are visiting using JavaScript, access the window.location.href property: Alternatively, you can access the current URL via document.URL property. However, it has some shortcomings that I’ll explain in a bit. Let’s take a closer look at the window.location object. It has useful properties other than the href
How to Get Current URL in JavaScript [with Useful Examples] Read More »
In JavaScript, the double exclamation operator converts an Object to Boolean. This happens such that “falsy” objects become false and “truthy” objects become true. For example: This is a comprehensive guide on the double exclamation point operator. About the Double Exclamation Operator: It’s Not an Operator The double exclamation operator (!!) is actually the not
The Double Exclamation Operator (!!) in JavaScript Read More »
To get the current timestamp in JavaScript, call the Date.now() function. For example: Output: If that’s what you were looking for, then thanks for reading! If you are interested, the following sections teach you some insight into the significance of timestamps. You will also learn alternative ways to obtain the current timestamp in JavaScript. What
How to Get the Current Timestamp in JavaScript Read More »
Are you looking to create the next best-seller app? Or are you curious about how to create a successful mobile app? This is a step-by-step guide on how to create an app. After reading this guide, you know what it takes to create an app from an idea to getting your first customers. You are
How to Make an App — A Complete 10-Step Guide (in 2023) Read More »
