UUID is an excellent way to hide sequential database IDs. Thenpmpackage manager offers a package calleduuidto use in the project for performing the above tasks in the app. Now let’s set up the TypeScript Nodejs project with theuuidpackage. ...
Learn how to use the forwardRef function in React to expose DOM nodes inside a component to its parent component. In React, refs are used for storing values that don’t trigger a re-render when updated. We can also assign refs to DOM elements so that we can reference the ref to manipul...
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How do I use the hdc command to send a local file to a remote device? How do I check whether an application is a system application? How do I capture the crash stack and implement the crash callback? How do I analyze the CPU usage of an application in running? How do I quic...
constuniqueUsers:User[]=users.map((name)=>({userId:uuidv4(),name})); Conclusion So to sum it up, you probably shouldn’t use array indexes as keys, unless you know your data will never change, even if it’s the same items in a different order. To provide keys for your elements,...
Here’s how you can access query parameters using Node.js.To access the value of the query inside the browser, using JavaScript, we have a special API called URLSearchParam, supported by all modern browsersHere is how we can use it:const params = new URLSearchParams(window.location.search...
const uuid = require('uuid'); let guid = uuid.v4(); console.log(guid); // e.g., '3cce1e52-d906-4d7b-9b61-7d894f9f4b4c' Use the crypto module: If you're using Node.js, you can use the crypto module to generate a random GUID/UUID: ...
How to use WebSockets with Node.js and React As mentioned in the introduction, the WebSocket protocol has only two agendas: 1.) to open up a handshake, and 2.) to help the data transfer. Let’s see how WebSockets fulfills those agendas. To do that, I’m going to spin off a Node...
When you are building a user interface in the browser, you might have an element which can be scrolled, and it's a common need to know the horizontal and vertical scrolling it currently has.
test("renders Container with the correct props", () => { renderProfile(); expect( screen.getByText( "This is PermissionsContainer { 'lastName': 'Doe', 'skills': JavaScript,React,Node.js, 'profileId': '1234-fake-4567-uuid', 'interests': Hiking,Photography,Travel, 'phone': '+1-555...