I am developing a small project to learn react redux, I had a good view of connecting react with redux. I am trying to perform a small task that is clearing the input box after hitting submit, I’ve tried using reset, wrote separate function to clear the state and included the logic to clear input in han…
Tag: reactjs
How to count selected checkboxes in React Native in functional component?
Whole code is here I render two flat list, One shows category name and other shows its sub categories with check box. Now i want, when user checked multiple or one check box of the sub catogories, The count shows in category like Health(count = 2) is category: if i checked pharmacy and hopital. 1 pharmacy 2 h…
Webpack : Cannot read property ‘readFile’ of undefined, No output files
Using webpack > 5 version. Below is my appDevMiddleware.jscongifuration When i do npm start of my React App, i’m getting This is exactly showing here I will have to somehow use the promises for readFile which is something like const { readFile } = require(‘fs’).promises How should i repla…
Problems in Grid when using material UI
Hello am trying to build card sets using material UI I’ve sorted data from a javascript object but when I compile the result is not what am looking for here’s the code am using. And the result is this: instead of this: P.S.: the second picture coded manually Answer i’ve tried this one and it…
Reactjs- Edit form not updating the database table
I am trying to create an edit form that will enable me update data in a table. When I click on the ‘edit’ button on my table it correctly redirects me to the edit form and data is also being correctly filled into the respective fields of the form, no issue there. The only issue I am facing is that
Cannot query field “image” on type “Query” GraphCMS with Gatsbyjs
Good Evening, I am new to Gatsby and Graphql. I am experimenting with the CMS system, but I have no idea what this error means. Any help would be appreciated. The marked below is the error that I have been getting. I do have the folder graphcms-fragmetns in my root folder. I have followed the documentation th…
Getting ‘Aw snap! : error code: Out of memory’
I was trying to build simple react-redux app using reducers. But every time I open the website it is popping up this error and I couldn’t open the console. I tried to clean cookies and caches but no help. Whenever I change <Posts /> and <Form /> to simple <h1> tags it works perfectly f…
How to create multiple reducers with multiple modules?
I still don’t have much experience with Redux. But I have a situation at work where we will have an application with several modules. Each module will have its own store. I’m not able to merge all these stores into one store and then create a general store for all the project. Could you tell me ho…
JS return an array and an object from function
In my react app I have a hook that handles resizing of the screen. The function returns an array of width and height. And i call the hook in my react app like const [width] = useDimensions(). I also want to call the hook like const {isSmScreen} = useDimensions(). Is this possible and how can export it from th…
How to send a variable to Backend – Mern Stack
I am trying to get some records from Mongo db based on a query. I completed the Back-end and it works well with the Postman but I do not know how to send the variable for the query from react front end to the back end. There is a Client model class and I want to retrieve all the clients