I am trying to see if a username already exist in the database or not, using the following code: Future<bool> checkUsername(userName) async { try { final response = await http.post( Uri.parse('http://10.0.2.2:3000/username'), headers: {'Content-Type': 'application/json'}, body: json.encode({'user_name': userName}), ); print('response ${response.body}');…
So basically I have been searching for a lot of time a way to fix this... It does not make my application block or something else bad, but I want to fix, in order to make the application smoother and/or…
I am trying to create simple trigger to ensure the "from" or "to" (database usernames) is equal to current_user, then can delete the record. But its always raises an exception. Table Schema: CREATE TABLE policy_test ( id serial not null,…
enter image description herei'm in college and a coding newbie, the professor is teaching us java but i keep encountering this error whenever i try running her codes.. this is the second time i encounter this problem but i spent…
I'm trying to deserialize a JSON object. The value of the string 'plaintext' is: {"expiryDay":1,"expiryMonth":6,"expiryYear":2023,"machineGuid":"a3586fb9-b05e-46f1-a4a0-683a97109e34","name":"Alexander Farley"} This line throws an exception: var json = JObject.Parse(plaintext); The exception is: Newtonsoft.Json.JsonReaderException: 'Additional text encountered after finished reading JSON content: . Path '',…
Despite searching through Stack OverFlow and trying everything suggested during similarly posted questions, I am still struggling to get passed this Exception. I have taken over this website, and have been tasked with getting it running on AWS. At the…
I tried this in a browser and node.js. I get an Uncaught (in promise) Error: here ... I have no idea why the try catch can't get it. Anyone can solve this mystery ? fct = async (msg) => {…
Receiving this error _CastError (Null check operator used on a null value), tried replacing ! with ? but that doesn't work. Please help me fix this issue, Thanks. home_screen.dart import 'package:flutter/material.dart'; import 'package:mvvm/data/response/status.dart'; import 'package:mvvm/model/movies_model.dart'; import 'package:mvvm/utils/routes/routes_names.dart'; import 'package:mvvm/view_model/home_view_model.dart'; import…
Whenever I try to read Excel using part=pd.read_excel(path,sheet_name = mto_sheet) I get this exception: <class 'Exception'> 'ReadOnlyWorksheet' object has no attribute 'defined_names' This is if I use Visual Studio Code and Python 3.11. However, I don't have this problem when…
I'm trying to modify my AppExceptionsHandler to pass the request (and therefore current URL) through to all exceptions. For this reason I need the lowest-level exception class I can get hold of to type-hint to the ->renderable() method. Laravel/Symfony's HttpException…