So I wanted to make a Styled Components form component and then use it in a bigger react component. Problem is, when I wanted to attach an onSubmit, it didn’t really work. My Styled Components form component: My react parent component: I tried something like this: And even something like this in my Styl…
Select ReplaySubject values emitted untill now
Is there reliable solution to get a snapshot of values currently buffered in ReplaySubject? I came up with something like this, but not sure how reliable this solution is: The timer factor above seems wrong to me as I have no warranty if all values have been emitted properly within given time (this applies to…
Firestore: Conditional query not executed
This logs the snapshot: This doesn’t: Does anyone know why? Answer Since you are combining the ‘>=’ and ‘==’ operators, Firestore needs to build an index for this query. If you catch the error with a try/catch block, you will see the corresponding error, and, even better, the …
GetItem by date in DynamoDB results in ValidationException
I need a data filtered by date but I am getting an error Error ValidationException: The provided key element does not match the schema My table has a primary key (only partition key) of id. Answer For getting an item from DynamoDB, we must pass primary key, in this case, its just partition key ‘id’…
TypeError: store.getState is not a function. (In ‘store.getState()’, ‘store.getState’ is undefined how can i resolve this problem?
i want to cnnect redux-saga witdh react-native but this error keep happen… TypeError: store.getState is not a function. (In ‘store.getState()’, ‘store.getState’ is undefined Warning: Failed prop type: Invalid prop store of type function supplied to Provider, expected object this …
syntax meaning of ‘ (method) alert(message?: any): void ‘ in ‘window.alert()’ in javascript?
In Visual Studio Code, while making a react app when I move my cursor on window.alert(), I see a pop up which reads as follows: Please explain what it means, as I am from java background and I can’t understand it. I could only understand that alert() is a method which returns nothing, but what about it&…
How can I merge two objects inside an array, and compute the total of its element?
What’s the best way to merge objects and total its element? I can’t figure out how to merge it at the same time total its chats count here’s my array: [ [ { id: ‘call_000001’, …
how to iterate until the second last element in ReactJS
I am relatively new at ReactJS. So, I’ve been trying to create a countdown using React, which I managed to do, but it returns this Essentially, I don’t want the colon after the ‘seconds’. This is my code for the countdown. Would really appreciate the help thanks! Answer
Jquery call function on hover if element is of class A but not class B
I want to call a function when hovering over elements with a specific class attribute, but not another. I feel like the :not selector should work, but it is still firing for all elements of class A. I have elements with a specific class .sidebar-section, but one of them has another class attribute .show, I wa…
React Redux – Mapping over array while rerendering only components holding changed object (in array)
Explanation Hi, I’m pretty new in ‘advanced’ React/Redux field. The problem that I have is: I didn’t use actions so the problem and code can be simplified as much as possible. MyParent component: Now here is my child component: And the reducer: Question Let’s imagine there is ~1,…