CircularProgress | Circular progress indicator for your macOS app | iOS library
kandi X-RAY | CircularProgress Summary
kandi X-RAY | CircularProgress Summary
Circular progress indicator for your macOS app. This package is used in production by apps like Gifski and HEIC Converter.
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QUESTION
Please, help me making out why is event listener's callback executing twice: because I need to have such a feature as leaving comments, but when I click post button, the callback immediately executes twice. I tried adding doubling preventer, cllciked var declared in useState, but it didn't help anyways. And it happens even when I SIGNGLE-click on the submit button, and not DOUBLE-click.
This is my component's code:
...ANSWER
Answered 2021-Jun-15 at 04:49Try this event.preventDefault();
More information: https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault
QUESTION
export default function SpecificPostCommentsExtended({ article }) {
const [prev, setPrev] = useState("");
const [loaded, setLoaded] = useState(false);
const [comments, setComments] = useState([]);
function changePrevState(_id) {
setPrev(_id);
console.log(_id, "-is id");
console.log(prev, "- prev");
}
const ifNoCom = async () => {
setLoaded(true);
setTimeout(function () {
document
.querySelector("#confirm")
.addEventListener("click", async () => {
const data = await axios({
url: vars.BACKENDURL + "/comment",
withCredentials: true,
method: "POST",
data: {
article: article,
comment: {
content: document.querySelector("#commentcontent").value,
prevId: prev === "" ? null : prev,
},
},
});
setLoaded(true);
});
}, 30);
return;
};
const ifCom = async () => {
let i = 0;
await article.commentsArr.forEach(async (c) => {
const { data } = await axios({
url: vars.BACKENDURL + "/getcomment",
withCredentials: true,
method: "POST",
data: { comment: { _id: c } },
});
if (!comments.includes({ ...data })) {
setComments((current) => [...current, { ...data }]);
}
i++;
if (i === article.commentsArr.length - 1) {
setLoaded(true);
document
.querySelector("#confirm")
.addEventListener("click", async () => {
console.log("It's prev - ", prev, "!lalalal");
const data = await axios({
url: vars.BACKENDURL + "/comment",
withCredentials: true,
method: "POST",
data: {
article: article,
comment: {
content: document.querySelector("#commentcontent").value,
prevId: prev === "" ? null : prev,
},
},
});
});
}
});
};
const getComments = async () => {
setComments([]);
setLoaded(false);
if (article.commentsArr.length === 0) {
ifNoCom();
} else {
ifCom();
}
};
useEffect(() => {
getComments();
}, []);
return (
<>
mypage| log out
{loaded === false ? (
) : (
<>
{article.group.toLowerCase()}
previous
next
list
{article.title}
{article.writer}
{article.date}
{
window.location = `/${article._id}/edit`;
}}
>
edit
|
{
if (
!window.confirm(
"Are you sure you want to delete this post?",
)
) {
return;
}
const { data } = await axios({
url: vars.BACKENDURL + `/deletepost`,
withCredentials: true,
method: "DELETE",
data: {
post: {
id: article._id,
},
},
});
alert(data);
}}
>
delete
Contents
{article.content}
inappropriate language
misinformation
{
window.location = "/specificpost/" + article._id;
}}
>
Comments{" "}
{article.comments}
{
const { data } = await axios({
url: vars.BACKENDURL + "/like",
method: "POST",
withCredentials: true,
data: {
post: article,
},
});
alert(data);
}}
>
Likes{" "}
{article.likes}
Like
|
Report
{comments.map((c, i) => {
console.log("C comment id", c.comment._id);
const _id = c.comment._id;
return (
<>
{c.comment.author}
{c.comment.content}
{c.comment.date}
{
changePrevState(_id);
}}
>
reply
{c.subcomments.map((sc, j) => {
return (
{sc.author}
@{sc.author},
{sc.content}
{sc.date}
);
})}
);
})}
Post
)}
);
}
...ANSWER
Answered 2021-Jun-14 at 09:01With an empty array as the second param, your useEffect
runs once and once only at the very beginning of the component's lifecycle. At the time of running, the state value is always the initial value ""
. As a result, the value of prev
inside the click handler is always ""
since that's essentially a snapshot of the state at the time when useEffect
runs.
Instead of document.querySelector("#confirm").addEventListener
, add the onClick
handler on Confirm
directly and access prev
inside. This allows you to get the latest of prev
value at the time of clicking.
QUESTION
Greeting, in general the problem is this, I created a web application using React JS, like a database using Firesbase Firestore. Everything worked fine until it was time to update the security rules (they were temporary, well, and time was up). It demanded to immediately change the rules, otherwise the base will stop responding after the expiration of the term. At first, I just extended the temporary rules, but it only worked once, after that all such attempts were in vain. After reading the documentation on writing security rules and looking at a couple of tutorials, I decided to write simple rules allow read: if true; allow write: if false;
. In the project, the user does not interact with the base in any way, the text simply comes from the base and everything is essentially, so these rules are more than enough. I also additionally checked these rules on the emulator and everything went well. I saved the rules, but the application did not rise, I tried other options, to the extent that I simply put true
everywhere and made the base completely open, but to no avail. I have already tried everything and crawled everything, but I still could not find a solution.
My app code:
...ANSWER
Answered 2021-Jun-08 at 12:01Posting this as a Community Wiki as it's based on the comments of @samthecodingman and @spectrum_10101.
The error is being generated by either testEng/test
or testUa/test
not actually existing, so their data will be set as undefined. So it's likely that the root cause of this issue is located somewhere else in your app.
QUESTION
So I have an async combo box that pulls options from an API. The options are just an Id and a description. This component is part of a form that I'm showing to add or edit data. What I'd like to see happen is have the option be empty when adding new data and to have the current value selected when editing. Instead, it simply shows the label. This is my code that's almost a copypaste of the example from the docs.
...ANSWER
Answered 2021-May-25 at 15:28Looks like what you're after is a controlled component. There's an example of this in Material UI's Autocomplete demo under Playground called controlled.
I'm not sure how you're getting the id
of the initial value you want to pass to the component to show that it's selected. It could be something like the following.
Create a separate state for the value you select from this
Autocomplete
in your parent component. In fact, I would not have a separate component calledAsyncAutocomplete
at all. This is so you control all your state in the parent component and theAutocomplete
component becomes purely presentational.After your API call is complete and the
setOptions(options)
is called, callsetValue
with the value that you would like to show selected. This must be of typeEntityWithIdAndDescription
.Create an inline-function for the
onChange
prop of theAutocomplete
component which takes a the second parameter as theEntityWithIdAndDescription | null
type. This is what's required fromAutocomplete
'sonChange
. CallsetValue
with this parameter as the argument.Pass
options
,value
,onChange
andloading
as props into theAutocomplete
component. The additional props I've passed over and above what you've done in your code are:
QUESTION
The following code caused useEffect() to be called infinitely. Why is that the case? Removing drawingboarditems from the useEffect dependencies array solves the infinite loop, but as a result DrawingBoard will not automatically rerender whenenver a user adds an item to the database.
DrawingBoard.jsx
...ANSWER
Answered 2021-May-24 at 16:45In your case I would move the logic to the DrawingBoard
component, and would pass props to the children, so when a children adds an item, the main component would know to refresh the list of items.
Example (not tested):
Extract the logic to work with FireBase to functions. In that way they would be more re-usable, and would not add clutter to your code.
QUESTION
I have a search bar that uses Autocomplete from material ui to provide suggestions, and inside of it i have text field where I take text as input.
The only problem is that when i type anything in the TextField I can see 2 clear buttons (x button) one on the left of the loading screen and one on the right, and when the loading screen disappears i get 2 clear buttons next to each other. I want to remove the one on the left as it looks bad, and I don't know why it's there.
Search.jsx:
...ANSWER
Answered 2021-May-22 at 03:43Create a new CSS stylesheet (let say styles.css
) and add the following code:
QUESTION
I am having some issues trying to map an array that sits within a json object in a mongo db collection. All of the schema data is being passed through the state and is available on the page I am tying to map the question array.
Any help on firstly how I can access the questions within the question array and how I can look to map the array contents would be greatly appreaciated.
Db schema
...ANSWER
Answered 2021-May-19 at 10:49This means questions
is not an array yet when you do the map
on it, you can try this trick :
QUESTION
I am creating app using Firebase
.
My Users.dart
file:
ANSWER
Answered 2021-May-06 at 06:31One error I could find is that you are missing await
in the searchController
:
QUESTION
I am using DataGrid
from Material-UI, I would like to apply a link to end of the each row.
but it displays it as follows: ( [object Object]
)
I want it to display like 123456789
id of the record and be a link to /form/123456789
...
and I use Link
from react-router-dom but I couldn't figure it out what am I missing or DataGrid
component is not the best fit... I just want to add a link at the end of each row
Here is what I tried to do so far;
...ANSWER
Answered 2021-Apr-25 at 10:44You can override the renderCell
method in the column definition if you want to render custom React component instead of plain string. See render cell section.
QUESTION
I am making a wrapper for the settings page in order for it to be reusable on every settings page. In it, there is a Context Provider in which I pass the user data, but it never seems to pass anything although the query is successful.
SettingsWrap.tsx
...ANSWER
Answered 2021-Apr-24 at 05:16Apparently, when I used useContext inside the Subcomponent where I passed "user" to, it worked perfectly fine. It was my mistake to use the context in the parent instead of the actual component.
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