I am tried to this error .please help me. .how to fixed this warning.. I using react project to owl-carousel and this return warning.. how to solve this warning
warning:
react_devtools_backend.js:3973 Warning: Using UNSAFE _component Will Receive Props in strict mode is not recommended and may indicate bugs in your code. See https://reactjs.org/link/unsafe-component-lifecycles for details.
Move data fetching code or side effects to component Did Up date.
If you're updating state whenever props change, refactor your code to use me techniques or move it to static get Derived State From Props. Learn more at: https://reactjs.org/link/derived-state
Please update the following components: React Owl Carousel
Related
The site now I am developing has a collapsable source code view panel.
And I have no idea how to implement a React component to do the exactly the same thing and I am really sorry that I can only afford an example what I want.
There is a code view panel on this site and I want exactly same panel like the one on this site.
https://ftmscan.com/address/0xce761d788df608bd21bdd59d6f4b54b2e27f25bb#contracts
On the solidity source code view panel there is a collapse function and I am not sure how to implement this function.
Is there any module that can parse solidity code or do I have to make a new logic to parse code?
To summarize my questions;
Make a React Component that can view source code.
How to add collapse function to that component?
Additionally, I am currently using material-ui 4.12.3 and React version is 17.0.2
It looks like they are using the Ace editor.
There are multiple React implementations of the Ace editor on npmjs. I recommend you look into one of those. (Then you'll also get expand/collapse in the code editor "for free".)
I’m new in coding and i couldn’t get how to fix the issue after i googled many times. The issue is i have a layout component which contains 4 different components. When i call a function in a function component it affects the others and the others re-render. Re-render is fine tho however my images are flickering on mobile browser. I would like to remove the flickering of the image loading. I’ve tried using React.memo() and useCallBack() but both of them didn’t work for me. I hope I made myself clear , thanks in advance
This is my app https://stackblitz.com/github/mithatercann/qrmenu
You are using what's its called "Prop Drilling". The better solution for your current problem is to implement some state management in your app, they are many third libraries for that, but for this instance and if your app is small you can use React Context API. If you're going to build big apps then I recommend implementing Redux.
I'm building a react based web app using some html/css styles from one of the free "flat file" templates provided by bootstrap.
the template uses scrollspy to change the correct menu item hover colour to the section the user has scrolled to.
This effect is achieved using this code in one of the javascript files
$('body').scrollspy({
target: '#nameHere'
});
in my react component, I am trying to do this
document.body.scrollspy({ target: '#nameHere' })
but when I run the application I am getting a "document.body.scrollspy is not a function" error.
Is there something painfully obvious I am doing wrong here?
Hmmm... I think, the problem is that the document.body element has no property scrollspy.
Ok I found a few ways to get this working.
A more robust way is to use the React Scroll component mentioned by Valentin above, but this involves taking a dependency on another module and because of some other stuff in my situation I wasn't able to get this working.
A quicker, more hacky way is to add
data-spy="scroll" data-target="#namehere" data-offset="56"
to the body tag of index.html
I am using semantic-ui react to render a table of data. My requirement is that when the page is on mobile view, I hide certain columns. I tried using className="mobile hidden" on the Table.Cell element but this doesn't seem to work at all.
Then I tried using the Responsive component like below but I am getting an error. Am I missing something here? Unable to find anyone else having this issue ...
<Responsive as={Table.Cell} minWidth={Responsive.onlyMobile.minWidth}>
{record.datapoint}
</Responsive>
I get this error in the console when resizing the window...
index.js:2177 Warning: Can only update a mounted or mounting component. This usually means you called setState, replaceState, or forceUpdate on an unmounted component. This is a no-op.
Please check the code for the Responsive component.
In fact, this is bug :( I've created PR that will solve described issue, see Semantic-Org/Semantic-UI-React#2421.
Code that you provided doesn't reproduce problem, the issue will be never occured with provided example. However, it exists :) The core problem is the unmount of Responsive component when it will be done by parent and setState() will be called on unmouted component. An example on codesandbox reproduces problem.
Is is possible to make Navigator component behave similar to NavigatorIOS component ? If so which I think is certainly possible, what is the relevant code to do so ?
What counts as behaving similar to NavigatorIOS? You can try checking out react-native-router and see if it's something that would help you. If you do want to try it, you'd have to go to this PR and use those fixes, because the owner of the module hasn't updated in a while.