How to Retrieve Data from a Dynamic Route in React Router

When using React Router with dynamic parameters, it is common to need to fetch the data required to display on the page. In this blog, we will explore two ways to achieve this. Using useParams Hook To begin, declare the route in the following manner: <Route path="/project/:id"> <SingleProject /> </Route> In this code snippet, the :id in the path represents the dynamic part of the URL, which will be accessible as the id parameter in the SingleProject component....

How to Retrieve Image Width and Height Using Node

When working with images in Node, there may be occasions where you need to retrieve the width and height of an image. Whether the image is stored locally on your file system or sourced from the internet, you can easily obtain this information by following these steps: Identify the Image Location: To retrieve the dimensions of an image, you first need to determine its location on your file system. If the image is sourced from the internet, you can save it to a temporary folder on your system....

How to Retrieve POST Query Parameters using Express

When working with Express, you may come across the need to retrieve POST query parameters. These parameters are sent by HTTP clients, such as forms, when performing a POST request to send data. In this blog post, we will explore how to access this data in a simple and efficient way using Express. Retrieving POST Query Parameters in JSON Format If the data was sent as JSON using the Content-Type: application/json header, you can retrieve the POST query parameters using the express....

How to Retrieve Server-Side Cookies in a Next.js App

Accessing cookies while server-side rendering in a Next.js app can present challenges. In this blog, I will share my solution to this problem. I recently encountered an issue with my Next.js app where it relied on cookies for authentication. However, upon initializing the first page, I discovered that my cookies were not being set. Here’s an example of the code I had initially, which involved making a GET request to an endpoint using Axios:...

How to Retrieve the Current Folder in Node.js

In a Node.js script, there are two common ways to reference the current folder: Using ./ Using __dirname Let’s explore each method and understand their differences. Using ./ The ./ notation refers to the current working directory in a Node.js script. It returns the same result as calling the function process.cwd(), which retrieves the current working directory. Initially, the current working directory is set to the path of the folder where you ran the Node command....

How to Retrieve the Current URL in Hugo

In this blog post, we will discuss how to retrieve the current URL in Hugo, a popular static site generator. By obtaining the current URL, you can dynamically display or manipulate content on your website based on the specific page the user is viewing. In Hugo, you can retrieve the current URL using the .Page.RelPermalink variable. The .Page.RelPermalink provides the relative permalink of the current page, which includes the path and any subdirectories....

How to Retrieve the Current URL in JavaScript

Discover the different methods JavaScript offers to obtain the current URL that is open in the web browser. To retrieve the current URL of the opened page using JavaScript, you can utilize the location property provided by the browser on the window object. window.location As window is the global object in the browser, you can reference the property as location This property returns a Location object that contains various properties of its own:...

How to Retrieve the File Extension in Node.js from the MIME Type

When working with file uploads in Node.js, you may encounter situations where you need to extract the file extension from the MIME type. In this article, we’ll explore two methods you can use to achieve this. Method 1: Parsing the File Name One way to retrieve the file extension is by parsing the file name. You can accomplish this with the built-in path module in Node.js. Here’s an example of how you can use it:...

How to Retrieve the First N Items in a JavaScript Array

When working with JavaScript arrays, there might be instances where you only need to retrieve a specific number of items from the beginning of the array. In such cases, you can make use of the slice() method, which is a built-in function available for every instance of an array. To get the first n items from a JavaScript array, follow these steps: Define your array: const arrayToCut = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; Set the value of n to the desired number of items you want to retrieve from the array: const n = 5; // Retrieve the first 5 items Use the slice() method on the array, passing in the starting and ending indices: const newArray = arrayToCut....

How to Retrieve the GET Query String Parameters using Express

Understanding how to retrieve the query string parameters from a GET request is crucial when building web applications with Express. The query string is the part of the URL that comes after the path and starts with a question mark “?”. Here’s an example of a query string: ?name=flavio Multiple query parameters can be added using “&”: ?name=flavio&age=35 So, how do you retrieve these query string values in Express? Express simplifies this task by populating the Request....