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Category: React

React originated from Facebook’s internal project. Because the company was not satisfied with all the JavaScript MVC frameworks on the market, it decided to write a set of its own to build an Instagram website. After making it, I found that this set of things is very useful, and it was open sourced in May 2013. The project itself is getting bigger and bigger, changing from the earliest UI engine to a set of Web App solutions that take all front and back ends. The derivative React Native project, the goal is even more ambitious, I hope to write Native App in the way of writing Web App. If it can be achieved, the entire Internet industry will be subverted, because the same group of people only need to write the UI once, and it can run on the server, browser and mobile phone at the same time.

React-native – Unable to connect to the remote REDUX DevTools to connect to this machine application

I cannot use redux to connect my react-native application to redux-devtools-extension to remote-redux-devtools.

I am on macOSX Use android devices connected via USB on Sierra.

// config

October 20, 2021By Simo React application, connection, DEVTOOLS, Native, program, React, REDUX, remote, Unable, useLeave a Comment

React-native – Promise using GraphRequestManager

Does anyone have an example of how to use GraphRequestManager’s promise?
I got the attribute of Undefined error cannot be read in my action creator.

function graphRequest(path, params, token

October 20, 2021By Simo React graphrequestmanager, Native, Promise, React, 使用Leave a Comment

ReactJS – use asynchronous update parameters React, setState?

Does anyone know whether the async updater parameter can be used in setState(updater) in React? I have the following code invalid (f is called, but the UI is not updated):

this.setState( asyn

October 20, 2021By Simo React asynchronous, parameters, program, React, Reactjs, SetState, Update, UsedLeave a Comment

ReactJS – React REDUX – Pass the data to the component via PROPS or Connect

I am working on a React Redux application and I have a very basic question about some best practices.

I have MainComponent (a kind of container ) I get data on componentDidMount:

class

October 20, 2021By Simo React By, Connect, Props, React, Reactjs, REDUXLeave a Comment

ReactJS – React Unit Test, Unselected “Push” of undefined reaction routers

I have a component that uses React Router, as shown below:

_viewCompany(companyId) {
this.context.router.push(`/admin/companies/${companyId}`);
} It worked well in the component, but I encou

October 20, 2021By Simo React Push, React, reaction, Reactjs, read, router, test, undefined, Unit, UnquestLeave a Comment

React-native: Unless click on the screen, the application will be attacked when debugging

My Android application contains two screens: “Login” and “Dashboard”.
Login works fine, but the dashboard is a troublemaker. < /p> First question:

On the login screen, I can open the debug m

October 20, 2021By Simo React Applications, click, debugging, Native, otherwise, Programs, React, Screen, time, UnlessLeave a Comment

ReactJS – Can I subscribe to routing changes in React Router V4?

I want to know what is the best mode to use the latest version of react-router to subscribe to browser history changes. I am reading the current documentation, but it seems to be the only option, B

October 20, 2021By Simo React change, Renew, RouteLeave a Comment

ReactJS – How to add key prop to the Element transmitted as Object in React

Approximately the code looks like this (CoffeeScript)

//In Parent component
render: () ->
mycomp =

//In Child component
render: () ->
someContent = [passedComp, ]

{someContent}
Thi

October 20, 2021By Simo React Add, element, How to, In ReactJS, object, pass, PROP, ReactLeave a Comment

ReactJS – React datepicker How to open DatePicker when you click on the icon

Try to open the datepicker and click on the icon of the react-datepicker component. I have completed their documentation and question links, but found that it is not very useful.

I tried from

October 20, 2021By Simo React click, DatePicker, How to, Icon, open, React, Reactjs, timeLeave a Comment

React-native – React Native: What is the default font used by this machine?

I am trying to use the same font as the default font used in React Native to make graphics, but I don’t know what the font is.

Who knows ?

fontFamily:’system font’ Please note that if y

October 20, 2021By Simo React default, font, Native, React, use, whatLeave a Comment

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