I am new in this technology so someone please explain me this question.

what i understand from your question is that you want to merge two api . first thing you can't merge two api's. you can merge there response. second thing whatever response you are getting you want to display those two response in a single table using map method.i will explain you with a example.

suppose from fist api you are getting response as an array.let that array is  [{name: "lang", value: "German"}, {name: "age", value: "18"}] and from second api response you are getting response  [{name : "childs", value: '5'}, {name: "lang", value: "German"}]. so you can merge those array using spread operator.

first assign those response to a variable. 

var arr1=  [{name: "lang", value: "German"}, {name: "age", value: "18"}],

var arr2 =  [{name : "childs", value: '5'}, {name: "lang", value: "German"}]

then your response is merged in asingle array. you can map this array now.

How to merge two get api in react and how to use in a single table for mapping ?						

I am a beginner.someone please tell me the answer.

please make the <td> position relative and take a span tag inside the td make it absolute position write styles for span give some offsets so that the span tag will appear on top of the td whenever mouse hover on td or we can use mouseEnter and mouseLeave events to do the thing

How to put tooltip in react table column <td> with full description of that column?				

If you have an idea about NPM, then it’s good, otherwise, let us tell you that earlier versions of npm used the npm create-react-app my-app line to create a new react app. However, now, from npm 5.2+, they use the above npx notation to access the npm libraries.

After creating a new React app, you need to download a React bootstrap website template from a react template site to start the integration.

Step: 2. Download a React Bootstrap Template

Go to https://bootstrapmade.com  to download a bootstrap website template so that you can integrate it to your React app.

Step: 3.  Give a clean Structure to your React folder

If you want a clean structure of your React app, then you have to separate components with pages. Right? Doing so will ease your work of integrating Bootstrap with React APP. To kickstart the process, create a new folder for components and one for pages (if you have any) to get React one page template and then create .js files for the relevant components. The below image is the perfect example to see how to create different components.

It is advisable to create a React bootstrap homepage template for the home page content as home.js since this React bootstrap template only has one page you will only need home.js for the pages folder. Apart from home.js, create header.js and footer.js files in the components folder.

Step: 4. Create the code structure to render the HTML in React

Add the following code to the .js files to render the HTML codes.

em>import React, { Component } from ‘react’;

//This is the area where you paste your HTML codes

For the footer file and the home.js file in the pages section, do the same code.

import React, { Component } from ‘react’;

The last part that you need to do while importing CSS to the website is to create a folder in your public folder inside the project called assets. After creating the folder, copy all the folders in the React bootstrap template file to this assets folder. Not just this, copy all the scripts and imports in the React bootstrap template to the index.html in the project.

LINK all BOOTSTRAP CSS to your index.html page  AND wrap the js file under script tag 

How  to convert a simply bootstrap theme in a ReactJs app ?		

first you have to register yourself.in the register submit button you have to connect registration api . once your registration success means your api gives 200 status code. if your  response giving 200 means your data successfully send . then that time you have to do router.push('/login'). for every successfully registration you will redirect to login page. so next you have to enter your valid credential on submit button make a api call. that data automatically stored in database for every successful api call.

How to connect login and register page and save it to database(mysql) using react js ?				

Components get re-evaluated whenever props, state, or context changes .

DOM re-render when there is difference between evaluations .

What is the difference between re-evaluation and re-rendering in React ?				

i always wander about how some  app like flipkart can implement their ui.please someone give me the answer.

There are multiple ways you can go about doing this.

One way would be to use WebViews as you've mentioned, this would make it trivial to change the interfaces as it's entierly controled in the servers. But the main issue with this approch will be performance and non native look and feel. These are the two main advantages of using React Native over hybrid frameworks in the first place and therefor, it wouldn't make much sense to use WebViews everywhere. But if there's a small slice of your application that updates regularly(ex - terms of service) you could use a WebView to do the custom views.

A more common way that's low effort would be to have all the code in place for the different looks, but use feature flags to toggle different views. This would work the same way that a dark theme would work. The amount of customization we can do this way is limited because we need to code everything ahead of time.

Another way is to use server driven UIs. With this approch, you will have a pre defined templates in the client that you them populate on run-time with data from the server. For a very simple example, you could have a header image that could be populated with a seasonal greeting image. But instead of simple things like images, this can be much more visible chagnes as well. (ex - List view instead of Grid View)

One more involved way would be to use code push. This would allow things like seasonal UI changes. But this requires a lot more setup and might not provide the best user experience.

 How to implement server ui in react native app ?	

When i try to add image in local it give me error. So somebody please help me to do this.

Specifically, to include a local image you have two options:

 // Assuming logo.png is in the same folder as JS file

This approach is great because all assets are handled by the build system and will get filenames with hashes in the production build. You’ll also get an error if the file is moved or deleted.

The downside is it can get cumbersome if you have hundreds of images because you can’t have arbitrary import paths.

 // Assuming logo.png is in public/ folder of your project

This approach is generally not recommended, but it is great if you have hundreds of images and importing them one by one is too much hassle. The downside is that you have to think about cache busting and watch out for moved or deleted files yourself.

How can I add local images in React js ? 

In React.js, you can reload a table after submitting data by following these steps:

Create a state variable to hold the data for the table in your component's state.

When you submit the data, update the table data in your submit handler function.

  // Process the submitted data and update the tableData state

  const updatedTableData = [...this.state.tableData, data];

  this.setState({ tableData: updatedTableData });

In the render method, use the updated table data to populate the table.

To trigger a reload of the table, update the key prop of the table component.

By updating the key prop with a unique value, such as the length of the table data array, React will treat it as a new component instance and re-render it, effectively reloading the table with the updated data.

Note: Make sure the Table component properly handles the received data and updates its content accordingly.

With these steps, you can reload a table in React.js after submitting data, ensuring that the latest information is displayed to the user.

How do i reload a table, after I submit a data In reactjs ?				

You can access the current state of the Redux store in a reducer file by using the state parameter that is passed to the reducer function.

How can we access redux store state in our reducer file?				

While it's possible, it's not recommended to build a React app in a single JS file. React apps are typically built using a modular approach with separate files for each component. If you still want to do it, create an HTML file, include React, ReactDOM, and Babel scripts, define your React component in a single JS file, and render it to the DOM using ReactDOM.

How  to build the react js app in a single js file?			

Here's is your solution - https://techiio.com/blog/deb838/how-to-print-the-data-from-an-api-using-with-reactjs

How to print the data from an API date  using with react js ?				

Here is your solution - https://techiio.com/blog/deb838/how-to-prevent-routing-transition-or-navigation-using-v6-in-reactjs

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