I want to clear filters only when the component unmounts. So I wrote cleanup function only in useEffect(). But as I checked it with console.log(), 1 was printed after the component mounted too. What’s wrong in this way? useEffect(() => { return () => { clearFilters(); console.log(1); }; }, []); Stack Snippet: const { useState,… Read More how to execute cleanup function in useEffect() only when component unmounts
I was using the code from the following site https://www.hackingwithswift.com/example-code/media/how-to-scan-a-qr-code The code works perfectly, the code can be viewed by accessing the link above. It was a code that capture a QRCode/BarCode from camera and convert it to string. The part of the the code that shows the string is: func found(code: String) { print(code)… Read More How to made a UIViewController class reusable to pass data back to a viewController that calls it
I have a little issue, I’m fetching data from Firebase, from Firestore database, but the view is only updated when I’m selecting one of the category. The view has 4 categories which can contains items. I’ll post a short video at the end of this questions to make it clear what’s my problem. So, this… Read More The view is not updated with data from Firestore in SwiftUI
I have the following dataframe: data = {‘Value’:[6.25, 4.55, 4.74, 1.36, 2.56, 1.4, 3.55, 3.21, 3.2, 3.65, 3.45, 3.86, 13.9, 10.3, 15], ‘Name’:[‘Peter’, ‘Anna’, ‘Luke’, ‘Peter’, ‘Anna’, ‘Luke’, ‘Peter’, ‘Anna’, ‘Luke’, ‘Peter’, ‘Anna’, ‘Luke’, ‘Peter’, ‘Anna’, ‘Luke’], ‘Param’: [‘Param1’, ‘Param1’, ‘Param1’, ‘Param2’, ‘Param2’, ‘Param2’, ‘Param3’, ‘Param3’, ‘Param3’, ‘Param4’, ‘Param4’, ‘Param4’, ‘Param5’, ‘Param5’, ‘Param5’], ‘error’: [2.55,… Read More How to plot errorbars on seaborn barplot?
I am trying to test the following bit of code: DimonaClient is just a simple wrapper around a Laravel HttpClient; simplified function here: The getDeclaration() response is a \Illuminate\Http\Client\Response What I am trying to do in my test is: Mock the DimonaClient class so I don’t create an actual api call "Mock" (use Laravel’s Http::response())… Read More Trouble faking a Laravel HttpClient response
I want to rerender my component when i’m dispatch from another component, how i can do it? Component that need for rerender: const MessageComponent = (): JSX.Element => { const [messages, setMessages] = useState<IMessageComponentState>({ messages: [] }) const message = useSelector((state: RootState) => state.message.messages); useEffect(() => { setMessages({ messages: message }) console.log(message) }, message); return… Read More How i can change UI on change redux-toolkit state?
I am adding testing to a pipeline project, code is already written and in production so it cannot be changed to accommodate the tests. In simplest terms, if I have a function like so: def other_foo(): return 1 def foo(): res = other_foo() return res In practicality, the other_foo call will return a variety of… Read More Mock testing with nested function changes
Sorry for simple question, try to learn SwiftUI My goal is to show alert then i can not load data from internet using .alert() the problem is that my struct for error actually has data but it does not transfer to .alert() debug shows that AppError struct fill in with error but then i try… Read More data from ObservableObject class do not pass to .alert()
I am currently trying to plot two sets of data on the same figure, sharing the same x axis but with distinct y axes. However, when I plot this, only the data from axis y1 shows up. how can i ensure that the data from both axes is present. My code is below: #!/usr/local/bin/python3 import… Read More Plot on secondary yaxis not appearing in Python
I’m working with the win32 API, and am using it to make a window. This window works, but when I open it, the cursor is a loading cursor, and every time I bring my cursor to the edge to resize it, the cursor gets ‘stuck’ as that resizing cursor, it doesn’t go back to normal.… Read More Weird cursor behavior: Almost always the resize cursor. (win32 api)