I am getting a javascript error in the console, which I would really like to understand. I have removed all extraneous code, leaving just an 11 line webpage. The page does work as expected, but with an error. The error…
I have three components. A parent, a child and a modal component residing inside the child. The modal must show some data fetched from the API (called fetchMyDetails) and the function resides in the parent. Whenever a button is pressed…
When I click button The value is the return value of the Navigator.push() - method. "because pressing the Button which returns null, does not make the Future go null, but its content. This leads to the unintentional behaviour" enter image…
const [MovieList, setMovieList] = useState([]); const options = { method: 'GET', headers: { accept: 'application/json', Authorization: 'placeholder' // actual token redacted } }; useEffect(() => { const TrendingMovies = async () => { fetch('https://api.themoviedb.org/3/trending/movie/day?language=en-US', options) .then(response => response.json()) .then(data =>…
I have technical question about React render and await. If I have a component that has a props called "label" that is used to set the text of a <p>, if I press a button that calls an async function…
I'm trying to wrap my head around a practice that I've now noticed across different codebases where functions are leaving supplementary async function calls unresolved. I assume that this is done to potentially save on performance, as waiting for the…
I am taking Angela Yu's Flutter and Dart course and it is very outdated and I am getting a lot of errors. This is an async await demo and the syntax has changed since she made the course. I have…
I try to create a simple Telegram bot for my school (so students could receive schedule updates in Telegram). I use python-telegram-bot for this. Here is the code I took from the official tutorial: application = telegram.ext.ApplicationBuilder().token(token).build() incoming_message_handler = telegram.ext.MessageHandler(…
I have a web application (ASP.NET 4.7.2, C#). I am using HttpClient to do a POST request to webservice. When it comes to the point to execute this response = await client.SendAsync(request); it throws An unhandled exception of type 'System.NullReferenceException'…
I'm pretty new to this industry. This is the Create method in BaseRepository: public async Task CreateAsync(TEntity entity) { await _db.Set<TEntity>().AddAsync(entity); await _db.SaveChangesAsync(); } This is the Create method inside the UserService class. public ResultService<UserCreateDTO> Create(UserCreateVM userCreateVM) { ResultService<UserCreateDTO> result…