Im a very beginner in ReactJs and i’m working on an instagram clone where i found this error and can’t fix it at the moment after a lot of searches in stackoverflow and google as well. the ERROR: TypeError: comments.map is not a function Here’s all the code: Answer You are setting a string t…
Tag: reactjs
How to resolve the build error on react-native?
I’m trying to make a build environment to make an android app but I haven’t been able to succeed to build the project. The build log is as follows, It looks exactly same as the link below and I did the same thing but I can’t resolve the problem and the log that it makes is always the same. h…
Why use refs in react? What is the use cases for it?
This question exists but it didn’t give a lot of data or real world explanation: What are Refs in React or React-Native and what is the importance of using them Let’s say i want to integrate to 3rd party library how ref is going to help me? Answer Some 3rd party libraries expose methods to interac…
TextField Style using styed-components and Material-UI withStyles
Here is Material-UI TextField style using withStyles from Material-UI itself: and it works perfectly. Is there any way to make the same style using styled-components? I tried this: but it is not making the same style. I might be missing some extra syntax, any help appreciated! Answer Below is an example showi…
How to reset the cornerstone viewport when new image is loaded
I am trying to make a Dicom viewer app in react using Cornerstone.js library. I have two components in my react app. One is ImagePreview and the other is CornerStoneElement. CornerStoneElement is where I initialize the cornerstone library and it loads the current image in its state. When a new image is pushed…
Creating unique key props for array children (React.js)
I am trying to build out a component in React which takes information from a JSON source, and uses some of that information to create states which can be passed down into other separate components. While I haven’t passed my states into separate components yet, I have been able to get my state to update …
How to make an import shortcut/alias in create-react-app?
How to set import shortcuts/aliases in create-react-app? From this: to this: I have a webpack 4.42.0 version. I don’t have a webpack.config.js file in the root directory. I’ve tried to create one myself with this code inside: But it doesn’t seem to work. I’ve seen the NODE_PATH=. varia…
set a value in react-datepicker dynamically in react
I used react-datepicker. I tried to set the value of react-datepicker from the value which I received as props from another component but either it didn’t show the value or it shows a blank page by saying ‘wrong time format’. Datepicker code: I checked the console and found that props were r…
How to translate a tsx file to a js file for React
I am working on a React Project and have a bunch of tsx files that I want to convert as use as javascript for my project. How should I do that? Answer I am working on a React Project and have a bunch of tsx files that I want to convert as use as javascript for my project. How should
HERE Maps Info bubble not rendering correctly using React
I’m currently developing a React application using HERE Maps Javascript SDK. My Problem: I want to open an info bubble on a marker when I click on it. Instead This strange artifact gets rendered, and the map ends up going kaputt: Here is the relevant source code: My attempted solution I tried passing a …