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How to mock JWT token in JUnit JWT (JSON Web Token) is a popular method for representing claims securely between two parties. When writing unit tests for code that relies on JWT tokens, mocking the token can be useful to simulate different scenarios without the need for actual token generation. Here’s how you can mock … Read more

How to mock axios instance in Jest In order to mock an axios instance in Jest, we can use the “jest.mock” function to mock the axios module and provide a custom implementation of the methods. This allows us to control the behavior and responses of the axios requests during testing. Here’s an example of how … Read more

One way to know which dependency changed in useEffect is by comparing the previous value of the dependency with the current value. You can achieve this by using the useRef and useEffect hooks. Here is an example: In this example, we have a component called ExampleComponent that has a count state variable and a message … Read more

How to Install Detectron2 on Windows Installing Detectron2 on Windows involves several steps. Let’s go through each of them in detail: Step 1: Set Up Python Environment Firstly, ensure you have Python installed on your Windows machine. You can download the latest Python version from the official website (https://www.python.org/downloads/) and follow the installation instructions. Step … Read more

How to import a DLL in C# When working with C# (C Sharp), you may need to import external DLLs (Dynamic Link Libraries) into your project. DLLs are compiled libraries that contain executable code and resources that can be used by other programs. Here are the steps to import a DLL in C#: Find the … Read more

To ignore the .angular/cache folder in your project, you can make use of the .gitignore file. The .gitignore file allows you to specify files and folders that should be ignored by Git, the version control system. Here’s how you can do it: Create a file named “.gitignore” in the root directory of your project if … Read more

Identifying Missing Records To identify the records present in data1 but missing in data2 (based on the combination of order id and product id), you can use various programming languages or database queries. Here, we will explain the process with an example in Python. import pandas as pd # Assuming data1 and data2 are two … Read more

How to Hide Navbar Header in Login Page in Next.js In Next.js, you can hide the navbar header on the login page by conditionally rendering the header component based on the current page. Here’s an example of how you can achieve this: 1. Create a separate layout component for the login page (e.g., LoginLayout.js) without … Read more

How to Handle Dropdown with Div Tag in Selenium Python Handling a dropdown with a div tag in Selenium using Python involves the following steps: Locate the div tag element that represents the dropdown on the web page. Click on the div tag element to open the dropdown options. Locate the specific option within the … Read more

To get to the var/mobile/applications directory, you can follow the steps below: Connect your iOS device, such as an iPhone or iPad, to your computer using a USB cable. Open a Terminal or Command Prompt window on your computer. Run the following command to access the device’s file system: ssh root@[device’s IP address] If prompted … Read more