How to remove duplicates from a JavaScript array

If you have an array with duplicate values in JavaScript, you may be wondering how to remove those duplicates effectively. This can be done using the Set data structure, which was introduced in ES6 in 2015. Suppose you have an array that contains various primitive values, such as numbers or strings. Some of these elements may be repeated. For example: const list = [1, 2, 3, 4, 4, 3] To remove the duplicate values from this array and create a new array with unique values, you can use the following code:...

How to Remove Empty Lines in VS Code

If you’ve ever come across a file in VS Code that has multiple empty lines that you want to remove all at once, you’re in luck. Manually removing them one by one can be quite tedious, especially if you’re dealing with a large number of empty lines. As a programmer, you’ll probably prefer spending a few minutes to find a more efficient solution rather than wasting time on a repetitive and mundane task....

How to Remove EXIF Data from Images

When posting images on the internet, it’s important to remove any EXIF data embedded in them. This data may contain sensitive information like location details and other metadata. If you’re using an iPhone, there’s a simple method to disable sending location data before sharing the photo. In the share panel, click on “Options” before selecting “AirDrop” to access this option. For Mac users, there are two effective ways to remove EXIF data....

How to Remove First/Last Characters from a Variable in a Shell Script

When working on a Bash or Fish script, there may come a time when you need to remove the first or last few characters from a string variable. While this task might seem straightforward, it can sometimes take longer than expected to figure out the correct solution. In this blog post, we’ll explore how to remove the first or last characters from a variable in a shell script. Removing the First Characters To remove the first n characters from a string variable, you can use the cut command in combination with command substitution....

How to Remove Multiple Line Breaks in JavaScript

When working with string data in JavaScript, you may encounter situations where you need to remove multiple line breaks. This can be useful when you want to normalize the formatting of your text. In this blog post, I will show you a simple solution to remove double line breaks from a string. Let’s consider a scenario where you have a string with double line breaks like this: A phrase... Another phrase....

How to Remove the \"Last Login...\" Message from the Shell

Are you tired of seeing the “Last login: …” message every time you open your shell? Don’t worry, you can easily remove it. In this blog, we’ll show you how to get rid of this message in both macOS and Linux. Here’s what the message looks like before removing it: To remove the “last login: …” information, follow these simple steps: Open your terminal. Run the following command: touch ~/.hushlogin That’s it!...

How to Remove the Last Character of a String in JavaScript

Have you ever needed to remove the last character from a string in JavaScript? There’s a simple solution using the slice() method that allows you to achieve this. Let’s explore how it works. The slice() Method The slice() method in JavaScript is used to extract a portion of a string and return it as a new string. It takes two parameters: the starting index and the ending index (optional). If the starting index is negative, it counts from the end of the string....

How to Remove the Leading Zero in a Number Using JavaScript

If you come across a number with a leading zero, such as 010 or 02, and you need to eliminate that zero, there are several methods you can use in JavaScript. The most straightforward approach is to utilize the parseInt() function: parseInt(number, 10) By specifying the radix parameter as 10, you ensure consistent behavior across various browsers. Keep in mind that some JavaScript engines may function correctly without explicitly setting the radix, but it’s always advisable to include it....

How to Remove the Shadow from Window Screenshots in macOS

Taking screenshots is an essential task when creating blog posts or courses. In macOS, the default method to capture the application window is by using cmd-shift-4 and pressing the spacebar. This creates a screenshot with a stylish drop shadow effect. However, there may be instances where you prefer to remove the drop shadow. In such cases, you can follow these steps: Open the Terminal application on your macOS system. Enter the following command:...

How to Remove the Welcome Message in Fish Shell

If you’re using Fish Shell, you may have noticed that every time you open your shell, you are greeted with the message “Welcome to fish, the friendly interactive shell”. While this message can be helpful for newcomers, you might find it unnecessary and want to remove it. In this blog post, we’ll guide you through the process of removing the welcome message in Fish Shell. To get started, you’ll need to open the config....