applause | HTML presentations powered by Angular JS
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kandi X-RAY | applause Summary
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QUESTION
Let's say I am displaying a list of Users in my component. There is a Delete Icon
to delete individual users.
There are 2 ways to achieve this in React.
Using Client State
We will fetch the list of users using
useEffect
inside the User component and store it in a local state usinguseState
.Once User clicks on the delete button, make some api call and just update the state(by removing the deleted user) on the success callback.
(Maybe we can go for an optimistic ui update also without waiting for server confirmation. if the server fails revert the update. This is a separate topic.)
In this case we are not making another call to server to refetch the items.
Using Server State (react-query way)
- We will fetch the list of items using
useQuery
inside the User component. - Once user clicks on the delete button, we will call the
mutateAsync
function andonSuccess
callback will invalidate the cache. - Invalidating cache will refetch all users from the cart by making a fresh GET call.
Both the ways work perfectly fine. I have recently seen a lot of applause for react-query
.
But with the 2nd approach are not we making a lot of extra server calls instead of just updating the state? This is applicable to multiple other scenarios also.
Could you someone please explain to me why still people prefer react-query
?
ANSWER
Answered 2021-Jun-07 at 20:41react-query has many advantages for data fetching - being a global state manager is likely the biggest: You can call useQuery with the same key in multiple components and you’ll get data from the cache instantly and a background update.
For mutations, it’s nice that it tracks the loading state automatically, so that you can show a spinner while updating. You can also avoid the refetch if your mutation returns the server result. Then you can just update the cache manually. If it’s about deletion, you can also manually delete it like in the first example. react-query doesn’t force you to refetch. Have a look here as well: https://react-query.tanstack.com/guides/updates-from-mutation-responses
QUESTION
You can see in the following code snippet that I had to manually type all possible string options for GIF. But I guess there must be a better way to achieve this. Anybody can help me with this?
...ANSWER
Answered 2021-Apr-18 at 09:26The fewest changes to your code that would work is probably to define gifs
as a separate constant, and get the keys from it with keyof typeof gifs
.
QUESTION
I need some code to make sure that if a whole word exists in a return formatted text file it is accepted and that, if only part of it is present, it is not considered.
If I type lau in the TextField it is accepted and I would rather the answer was false until a whole word is matched
Here is the file limited.txt I use in my project. Each word is on a separate line: appetitive appetitiveness appetitost appetize appetized appetizement appetizer appetizers appetizing appetizingly appinite appius appl applanate applanation applaud applaudable applaudably applauded applauder applauders applauding applaudingly applauds applause applauses applausive applausively apple appleberry appleblossom applecart appled appledrane appledrone applegrower applejack applejohn applemonger
Thanks for your help
...ANSWER
Answered 2020-Aug-05 at 11:05You may check if it ends with a newline separator in your text file:
QUESTION
I'm a beginner when it comes to Javascript. With click, the number should increase by one. I don't want to use tag IDs here, but as if made in class.
I am trying to give you a quick overview of the ClapsCounter here. The clap clicks are stored in the respective _ClapsCounter.txt file and the vote is stored in the browser localStorage as "applaudiert". Click on the counter to increase the value of all divs with the class "ClapsCounterCount".
...ANSWER
Answered 2020-Jun-01 at 15:58Yes, as you've said in a comment, the problem is here:
QUESTION
I do not know if I have encountered a possible bug in the sklearn CountVectorizer
or if I am simply misunderstanding something.
I am working with a small corpus of texts which contain a variety of parenthetical strings, only some of which need to be removed. After some experimentation, I decided simply to go with a list of those parentheticals, a subset I am including below:
...ANSWER
Answered 2020-May-26 at 04:49Great catch!
I wouldn't look at this as actual bug, but it is a lack of documentation. Possibly there has to be an error/warning message raised when preprocessor
is callable
and lowercase=True
.
FYI, lower casing happens in the default preprocessor function here. Hence, when you override the preprocessor with a callable, the lower casing would not happen.
I have raised this issue here.
QUESTION
My assignment is to search through a document, and grab the words that contain ch, cH,Ch, CH, sh, sH, Sh, and SH. What is the most effective way to grab the whole word? right now using re.findall() i get the correct count of words and location, but am only able to print the ch or sh, not the whole word that contained the letters. Here is my code!
...ANSWER
Answered 2020-Apr-09 at 02:46Try using the following regex pattern, in case insensitive mode:
QUESTION
I am trying to use a NavigationLink to navigate to the LoginScreen. However clicking up on the button does not do anything. If I call the onTapGesture method then it does get triggered.
...ANSWER
Answered 2020-Feb-05 at 02:07You have to wrap the view inside a NavigationView { } otherwise, NavigationLink will not work.
QUESTION
Suppose you have this function:
...ANSWER
Answered 2019-Nov-17 at 15:18I think the best way to do it is as follow
QUESTION
I have a dataset returned by a third party API as JSON.
Now I want to loop through the data and populate a league table at my frontend (using 11 key:values from the array).
I already transformed the object into an array (var standings
) and defined an empty variable "rank". But now I am really stuck on how to proceed, other tutorials just increase my confusion.
Do I need to create eleven empty arrays to grab the required data into them and populate the html using the "new" arrays afterwards? Probably this task can be handled by a "25-line-all-in-super-loop-solution".
This is my Javascript (applause!):
...ANSWER
Answered 2019-Oct-05 at 11:26On the face of it, that's an bit of an odd response format. The problem is that standings
isn't the array of results, it's an array with a single array as its only element, and that array is the one with the results.
If it's always an array with a single entry, then instead of:
QUESTION
first of all iam new to javascript iam facing this problem from 3 weeks and try to debug it but didnt find any solution so problem is when i write a fresh piece of js code inside my blade file it works fine for 5-10 mins after that no response and console doesn't even show any js error in it
i also used following commandsphp artisan cache:clear
php artisan view:clear
nothing happens then i created new laravel project its version was 5.8 and try to do same in it but it works fine in it but not in my old project then i upgrade its version same issue then i shifted all my files from old project to newly created project then javascript is working fine and after some time same issue starts then i realize adding new piece of code in my code makes code not work when i remove the new line of code it works fine i dont know why it is doing this in below given code when i add var info = {!! json_encode($pdata->toArray()) !!};
it works for some time fine then whole js code stops working and then i remove this line code starts to work again
ANSWER
Answered 2019-Aug-03 at 18:32This code will do in blade
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